Biology Complete 5 model papers

Model Papers 9

MODEL PAPER BIOLOGY (1)

Intermediate Part I (Class XI)

SUBJECTIVETime: 1:15 Hours Marks: 30

Define the following branches of biology Mode:1.a. Molecular Biology, Microbiology, Marine Biology,

Biotechnology (3) b. Explain the biological method for solving a biological, Problem.

How do deductive and inductive reasoning play an important role in it? (3)

2.a. Discuss taxonomic status of fungi.(3) b. Describe evolution of leaf and its importance in vascular plant.(3)3.a. Success general characteristics of algae Green algae are

considered ancestral organisms of green land plants. Discuss.(3)

b.Discuss the mechanical aspects of breathing in man.(3)4. Write a detail note on respiratory Pigments.(6)5. Explain Evolution seed habitat in higher plants. (6)

10 Star Model Papers Biology F.Sc.-XI

MODEL PAPER BIOLOGY

Intermediate Part 1 (Class XI)

OBJECTIVETime : 1:30 Hours Marks: 45

Roll No. In figures:________In Words: ________

Note: Write your Roll No, in provided; over-writing, erasing using lead pencil will have no credit.

Each question has four possible answers Select the correct answer and encredit it.

(10)

1. Peptide bond is a a. CH link b. N H link c. CO link d. CN link

2. The substance with which enzyme acts is called _________a. Coenzyme b. Ion c. Dipid d. Substrate

3. Lysosomes were first isolated in 1949 by a. Devlies b. De Dine c. Palade d. Lamarek

4. The rod-shaped bacteria are known as a. Bacilli b. Spriela c. sarcina d. cocci

Model Papers 11

5. Polysiphomia is a representative ofa. Green alage b. Red alage c. Diatoms d. brown algae

6. Anthoceros is aa. Moss b. diverwortc. Honwart d. Horse tail

7. Strawbery belongs to the familya. Solemaceae b. Fabaceae c. Poaceae d. Rosaceae

8. CO2 enters the leaves througha. Cuticle b. Roots c. Stomater d. epidermis

9. Substrate of lipase is a. Maltose b. hipids c. Fats d. Lactose

10. Which has double circuit hearta. Birds b. Reptilesc. Mammals d. All of them

Complete the following sentences. (10)1. Amino acids are linked to each other by a _________ bond.2. An enzyme is a three dimensional __________ protein.3. Centrioles is _________ in cell division.4. Viruses are extremely small infectious agents which can be seen

under an __________. 5. Cyanobacteria besides bacteria have _________ cells.6. Apicomplexans are a large group of _________.7. Yeast ferment carbohydrates to Ethel and __________.8. Clitoria ternatea is used against ___________.9. Respiratory gases are exchanged b/w body fluid and ___________.10.s is always __________.

Match the statement in Column “A” to column “B” choose the correct answer from column B and write in column “C”. (10)No.

Column A Column BColumn C

1. Embryology Monocolyledonae.2. Zeamays Purine of DNA3. Adenine Cell4. Overtopping Vitamin5. Acylglycerols Conifer6. Glottis Forminiferams


7. Functional unit Development8. Co-enzyme Laryox9. Shell Esters of fatty acids

Write short answer of the following questions(62=12)

1. Write animal like characters of Eiglens.

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

2. Define hypothesis. How is a hypothesis tested?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

3. Differentiate between an artery and a vein

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

4. Discuss that the development of pollen tube has a great significance in the evolution of vascular plants

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. Describe the asexual reproduction in RhizopusAnswer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

6. What is Pyrosis?Answer

Model Papers 13

___________________________________________________________________________________________________________________________________________________________________________________________________________________________. Label the following diagram.

(4)

Answers

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. A 2. D 3. B 4. A5. B 6. C 7. D 8. C9. C 10. D

Answers

Complete the sentencesNo.

Answer No.

Answer

1. Pepcide 2. Globular3. Involved 4. Electron microscope5. Prokaryotic 6. Parasitic Protoza7. CO2 8. Snake Bite9. Outside Medium 10. Negative

Answers

Match the ColumnsNo.

Answer No.

Answer

1. Development 2. Monocolyledonae3. Purine of DNA 4. Conifer5. Esters of fatty acids 6. Larynx


7. Cell 8. Vitamin9. Forminiferans



SUBJECTIVETime : 1:15 Hours Marks : 30

1a.What are carbohydrates? What are the source of corbohydrates?(3)

b. Define fermentation ? explain its types. (3)2a.Describe the structure and function of Flame cell with a diagram.(3)b. Describe the structure of human eye and the function of the

various parts. (3)

3a.Describe the salient feature of class insecta. (3)b. How do the Homoiotherms maintain their body temperature?(3)4. What is stem? Define modification Describe the aerial modification

of stem with example.(6)

5. Explain in detail the methods of genetic recombination in bacteria. (6)

MODEL PAPER BIOLOGY


OBJECTIVETime : 1:30 Hours

Marks: 45Roll No.In figures:

________In Words: ________

Model Papers 15

Note: Write your Roll No, in space provided; over-writing, erasing using lead pencil will have no credit.

Each question has four possible answers Select the correct and encircle it.

(10)

1. All the enzymes are chemicallya. Acids b. lipidsc. Carbohydrates d. Proteins

2. The optimum PH of the enzymes arginase is a. 9.00 b. 2.00 c. 9.7 d. 7.6

3. The study of viruses is called asa. Ecology b. Virololgyc. Mycology d. Phycology

4. Vaccination was introduced bya. Robert Koch b. Chambenlaelc. Lious Pasteur d. Edward Jenner

5. The cells have two names in a. Volvox b. Dinoflagellatesc. Desmids d. Ulva

6. Polytrichum is a a. Diverwart b. Fernc. Moss d. club moss

7. One of the oldest fossil plant is thea. Psilotum b. Dycopsidsc. Regeneration of R4BP d. All

8. Calvin cycle consists of a. Reduction b. Carbow fixationd. Detevitrvore d. Ommivore

9. Earthworm is a. Herbivore b. Carnivorec. Detevitivore d. Ommivore

10. One heart cycle completes ina. 0.8 sec b. 0.10c. 0.6 sec d. 0.12 sec.

Complete the following sentences(10)


1. Nucleic acids are _________ chains in which units known as nucleotides are linked to each other by ester linkages.

2. Extreme change in PH cause the bond in the enzyme to break, resulting in the enzyme __________.

3. A German Physician _________ in 1855 hypothesized that cells were formed only by division of previously existing living cells which is called Omnis cellula-e-cellula now.

4. In some animals viruses the nucleocapsid is covered by another membrane derived from the __________.

5. A bacterial arrangement in packets of _________ cells is described as a sarcina.

6. Green algae are _________ with chlorophyll a, chlorophyll b and carotenoids present in the chloroplasts.

7. Parasitic fungi absorb nutrients directly from the living host cytoplasm with the helps of special hyphal tips called __________.

8. Life cycle of adiatum shows ___________ alternation of generation.9. The entry of CO2 into the leaves depends upon the opening of

stomata.10.The pressure exerted by the protoplast against the cell wall is

called __________.

Match the statement in Column “A” to Column “B” choose the correct answer from column B and write in column “C”. (9)

No.


1. Ancestral history Bacteria2. Kelps Gangrene

3.Nucleoside + Phosphate

Spirillum

4. Ergot Evolution

5. Normal bloodTranslation of goods

6. Trifolium Nucleotide7. Prokaryote Phaeophyta8. Thin rigid spiral 0.8% glucose9. Phloemcell Foddre


Model Papers 17

1. Define polymorphism and write different kinds of zooids.

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

2. Describe briefly the class Mammalia

Answer

______________________________________________________________________________________________________________ _____________________________________________________________________________________________________________.

3. What is a Prosthetic group?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

4. What is the importance of enzymes?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. What are plastids?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

6. What is the hunger pang?

Answer


(4)


Answers

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. D 2. C 3. B 4. D5. B 6. C 7. C 8. D9. C 10. A

Answers


Answer No.

Answer

1. polynucleotide 2. Denaturation3. Rudolph Virchow 4. Host cell5. Eight 6. Photosynthetic7. Haustoria 8. Heteromorphic9. Stomata 10. Pressure potential

Answers


Answer No.

Answer

1. Evolution 2. Phaeophya3. Nucleotide 4. Gangrene5. 0.8% glucose 6. Folder7. Bacteria 8. Spirochete9. Translocation of goods

Model Papers 19



SUBJECTIVETime : 1:15 Hours

Marks:301. What is the Biology? Why do we study Biology? Define the

following branches of biology? (6)a. Embryology b. Taxnomy c.Genetics d. Entomology e. Parasitology d.Palaeontogy

2a.Describe the importance of water for life (3)b. Describe what do you know about Polysaccharides(3)3. Write the general characters of class. Aves. Describe briefly flight

adaptations in birds (6)4. Describe the structure and sexual reproduction in chlamydomonas. (6)5a.What are the basic component of cell? (2)b. How can a plant cell be distinguished from animal cell?

(2)c. Write a short note on biological oxidation (2)

MODEL PAPER BIOLOGY



Marks: 45Roll No.

In figures:________In Words. ________


Note: Write your Roll No, in space Provided, over-writing, erasing using lead pencil will have no credit.

Each question has four possible answers Select the correct answer and encircle it

(10)

1. Ribose sugar is one of the commona. Heptoses b. Pentoses c. Tetroses d. Tricoses

2. An enzyme without its co-factor is termed a a. Holoezyme b. Apoenzymec. Prostheticgroup d. Co-enzyme

3. Nucleus can be seen ina. Non-dividing cell b. Growing cellc. Young cell d. Dividing cell

4. A class is a group ofa. Species b. Genera c. Familiesd. Ordevs

5. Coral reefs are found by thea. Golden algae b. Red alagec. Green algae d. Brown algae

6. All the Fungi area. Non-septate b. Eukaryotesc. Septate d. Prokaryotes

7. Anthoceros is a a. Moss b. liverwortc. Hormwort d. hosetail

8. Haeme is containing groupa. Copper b. Magnesiumc. Iron d. Zinc

9. Gastric glands are composed of a. Zymogens cells b. Mucous cellsc. All d. Oxynite cells

10. Frog has respirationa. Lung b. All c. Skin d. Buccal

Complete the following sentences(10)1. The shrinkage of protoplast due to exosmosis of water is called

__________.

Model Papers 21

2. Respiratory surface in ___________ are the sites where exchange takes place.

3. ____________, scraping and seizing prey are the common methods of macrophagus feeding.

4. The entry of __________ into leaves depends upon the opening of stomata.

5. The ___________ is diploid and multicellular generation and the gametophyte is haploid and multicellular.

6. The fungi involved in lichens are mostly ascomycetes and imperfect fungi, and few __________.

7. One of the most unusual protest _________ is that of Dinoflagellates.

8. Mesosomes are _________ extension of the cell membrane.9. Replication is a process, which forms many copies are replicas of

__________.10.The AIDS was reported by some physicians in early __________’s.

Match the statement in Column “A” to Column “B” choose the correct answer from column B and write in column “C”. (9)

No.


1. Cloning Ripened fruit2. Chromoplast Idential copy

3.Chromosomal Protein

Chain of cells

4. Zooflagellate Fossils5. Rabies Mitochondrion6. Paleontology Leaf blade7. Trichome Euglena8. Lanuria History9. Power house Animal cells


1. What are anabolic reaction?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.


2. What is a Prosthetic group?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

3. What is the mode of transmission of Hepatitis B?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

4. What is slime?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. What is a nucleid?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.6. Why artificial Pace maker are used?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.Label the following diagram. (4)

Model Papers 23

Answers

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. B 2. B 3. A 4. D5. B 6. B 7. C 8. C9. C 10. B

Answers


Answer No.

Answer

1. plasmolysis 2. Animals3. Tentacular 4. CO2

5. Sporophyte 6. Basidiomycetes7. Phyla 8. Internal9. Virus 10. tadpole

Answers


Answer No.

Answer

1. Identical copy 2. Ripened fruit3. Histone 4. Euglena5. Animalcules 6. Fossiles7. Chain of cells 8. Leaf bade9. Mitochondria





1a.Classify the Phylum arthropod?(4)b. Write a short note on double fertilization? (2)2a.Describe the Process of Digestion in man and draw the diagram of

alimentary canal of man. (6)3a.Write a note on inhibitors of enzymes. (3)b. Compare a structure and function of chloroplasts and mitochondria (3)4. Define germination Describe the types and the conditions

necessary for germinations Draw a L.S of Maize Grain.(6)

5. What is the importance of enzyme in life (6)

MODEL PAPER BIOLOGY



Marks: 45Roll No.In figures:

________In Words: ________

Note: write your Roll No, in space provided; over-writing, erasing using lea pencil will have no credit.


1. Peptide bond is a a. CH link b. NH link c. CO link d. CN link

Model Papers 25

2. 5.5 is the optimum PH value for enzymea. Swcrease b. chymotypsinc. Arginase d. Enterokinase

3. Gametes are also calleda. Germ cells b. Eggs c. Spors d. Sprms

4. A Virion is a a. Viral Protein b. Viral genec. Virus d. Viral bysozyme

5. Phyeoerythrin Pigments is found ina. Brown algae b. Red algaec. Green algae d. Diatoms

6. Within each ovule of Pint us Produced form a. Eggs b. Embryosc. Microspores d. megaspores

7. The five kingdom system of classification was proposed bya. Robert whittekar b. Ernst Haeckel

c. E. Chatton d. Linnaeus

8. Cockroach has digestive systema. Sac like b. Tube like c. All d. Blind tube like

9. In birds during respiration the flow of air is a. Oneway b. No way c. Four way d. Two way

12. Pressure flow theory was given bya. Krebs b. Robert c. Dixon d. Munch

Complete the following sentences (10)1. __________ capsomers are present in the capsid of herpes virus.2. The outer most _________ in most of the plant cells is called cell

wall.3. __________ increase the sate of reaction without themselves being

used.4. The two helixes of _________are held together by weak hydrogen

bonds.5. Zygospores are formed in phylum __________ of fungi.6. The one-celled animals are referred to _________.7. The one-celled animals are referred to _________.8. In acoelomates, the gut is _________ and there is not special

transport system.


9. ___________ are more effective and highly modified for gaseous exchange in aquatic animals.

10.In the peroxisomes the glycolate is converted into ___________.

Match the statement in Column “A” to Column “B” choose the correct answer from Column B and write in Column “C”. (9)

No.


1. Sea water Centromere2. Coenocyte ATP3. Cell energy currency Multinucleate4. Overy Common cold5. Spindle Chromoplast6. Bolus Marine water7. Enzymes Fruit8. Adenovirus Chemically Protein9. Photosynthesis Food ball

Write short answer of the following question (62=12)

1. What is a fungus?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

2. What is bilateral symmetry?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

3. What is the evolutionary significance of Euglnoids?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

Model Papers 27

4. What is the chemical composition of the gram positive cell wall?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. How does light affect opening of stomata?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

6. What is tension?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

Label the following diagram (4)

Answers

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. A 2. D 3. A 4. C5. B 6. D 7. A 8. B9. A 10. C

Answers


Answer No.

Answer

1. 162 2. Boundary3. Catalysts 4. DNA5. Zygomycota 6. Protozoa


7. Protozoa 8. Sac type9. Gills 10. Glycine

Answers


Answer No.

Answer

1. Marine water 2. Multinucleate3. ATP 4. Fruit5. Centromera 6. Food ball7. Chemically protein 8. Common cold9. Chloroplast




1. Relate the history of development of various systems classification? (6)

2a.Compare Photosynthesis with respiration in plants.(3)b. Give an account of light-independent reactions of Photosynthesis.(3)3. What are Cyanobacterxa? Describe the structure and reproduction

of Nostoc (6)4. What is neuron? Describe its structure and function.(6)5.aWhat feature distinguishes Oomycoles.(3)b. Describe structure and reproduction of slim molds.(3)

Model Papers 29

MODEL PAPER BIOLOGY

Intermediate part I (Class XI)


Roll No.In figures:________In Words. ________

Note: Write your Roll No, in space provided, over-writing, erasing using lead pencil will have no credit


(10)

1. The brain cells of man contain 85%a. Water b. Nitrogen c. Carbon d. Sugars

2. The primary cell was is composed of cellulose, Pectin and a. Chitin b. Flemicelluosesc. Cutin d. dignin

3. W.M. Stanely isolated viruses from the host tobacco cell ina. 1935 b. 1946 c. 1835 d. 1892

4. Bacteria area. Prokaryotes b. Eukaryotesc. Dikayotes d. Protokaryotes

5. African sleeping sickness is caused to man bya. Endameba b. Vorticellac. Trypowosoma d. Poelmyxa

6. Which of the following is a living Psilopsids?a. Psilotum b. Psilophronc. Cook somia d. Rhynia

7. Reptiles hibernate ina. Summers b. Spring c. Winter d. Autumn

8. Process of Photosynthesis is almost exactly opposite to?a. Bruning b. Pyroleringc. Orgamism d. Aerobic respiration


9. Which is enzyme of small intestinea. Amylase b. Trypsin c. Lipase d. All

10. Voice Production in man is done by vibration of a. Epiglottis b. Larynx c. Vocal d. Glottis

Complete the following sentences(10)

1. Exchange of gases during ___________ is carried out only by diffusion.

2. The evaporation of water from the aerial parts of the plants especially through stomata of leaves is a process called __________.

3. Leech is another common example of ____________ attacking both aquatic and terrestrial animals.

4. Each mesophyll cell has about __________ chloroplast.5. The simplest of the animals belong to the subkingdom _________.6. In bryophytes, fertilization takes place in ___________.7. The largest group of fungi, which includes over 60000 species, is

__________.8. Induce fit Model was proposed by Koshland in __________.9. Nitrogenous bases are of two types i.e. Purines and _________.10.The number of calorie required to raise the temperature of 1g of

water from 15 C to 18 C is _________.

Match the statement in Column “A” to Column “B” choose the correct answer from Column B and write in Column “C”. (9)

No.


1. Vacca T RNA2. Pine Anorexia3. Anticodon Gylobular protein4. Loss of appelite Reversible in hibitors5. Plasma membrane Cow6. Competitive Dysenteny

7. Amiono acidsDifferentially Premeable.

8. Entamoeba Brain infection9. Priom Graminease

Model Papers 31

Write short answer of the following questions.(62=12)

1. Write a short note on cloning?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

2. What is the function of mRNA?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________.

3. What do you mean by enzyme inhibitors?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

4. What is Prophage and lysogency?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. What is the stationary Phase in the bacterial growth curve?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

6. What is naturally induced immunity or auto immune response?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.


Label the following diagram(4)

Answers

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. A 2. B 3. A 4. A5. C 6. A 7. C 8. C9. D 10. d

Answers


Answer No.

Answer

1. Organismic respiration 2. Transpiration3. ectoparasite 4. 20–1005. Parazoa 6. Water7. ascomycetes 8. 19599. pyrimidine 10. 1

Model Papers 33

Answers


Answer No.

Answer

1. Cow 2. Graminease3. tRNA 4. Anorexia5. Differentially permiable 6. Reversible inhabitors7. Brain infection 8. Globular Protein9. Dysentery

MODEL PAPER BIOLOGY(6)



Marks:301a.Define cell. Describe in detail the following parts with the

functions.a. call wall b. plasma membrancec. Mitochondna d. plastids (4)

b. Write shortly about the mode of nutrition in Bacteria.(2) 2a.Discuss briefly phyletic lineage in biological or ganization.

(3)b. What is the role of the study of Biology in the werfare of man kind.(3)3a.In what ways is air a better respiratory medium than water?

(3)b. What is photorespiration? Give it consequences. (3)4. Discuss in detail the structure and function of various parts of

human heart. (6)5. Write a note on

i. Cytoskeleton ii. Peroxisomes & Glyoxisomes.(6)


MODEL PAPER BIOLOGY


OBJECTIVE

Time : Hours Marks:

45Roll No:


Note: Write your Roll No, in provided; over-writing, erasing using lead pencil will have no credit


(10)

1. Of the total weight of a mammalian cell, DNA forms;a. 0.25% b. 6% c 1.1% d. 1%

2. Enzymes are the most important biologically active group ofa. Proteins b. Nucleic Acidsc. Lipids d. Carbohydrates

3. Prokaryotes include blue green algaea. Fungi b. Bacteria c. Viruses d. Protozoans

4. Polio viruses area. Vesicular b. Rod shapedc. Filamentous d. Spherical

5. An example of fungus-lie protist is a. Physarum b. Rhizopusc. Pencillium d. Chlorella

6. Saprobic fungi fix themselves in the substratum by means ofa. Scales b. Rhizoids c. Stoles d. Roots

7. Metabolic activity includesa. Respiration b. Photosynthesisc. Digestion d. All of above

8. Cholorophyll contains magnesium ina. Phytal tail b. Pyrole ringc. Hydrophobic tail d. proplryring sig

Model Papers 35

9. Which is not an omnivorea. Rot b. Lion c. Crow d. Red for

10. How much air lungs can hold when they are fully inflateda. 5 litre. b. 3.5 litre c. 4litre d. 4.5litre

Complete the following sentences (10)

1. _________ is one of the common phospholipids.2. The __________ called substrate is attached to the active site of the

enzyme.3. Diffusion, Osmosis and active transport are the main process

involved in the _________across the cell membrane.4. A layer of distinct proteins forms the inner tube or core, which is

enclose in sheath made up of another type of __________.5. Mesosomes are the invagination of cell membrane in bacteria and

are involved in the cell division, DNA _________ and export of endocellular enzymes.

6. A _________ causes Africa sleeping sickness is trypanosome.7. Fungi store surplus food usually as lipid droplets or __________ in

the mycelium.8. In Pinus, more than one egg can be ___________ to form several

zygotes.9. The _________ belonging to phylum Aschelminthes annelida,

mollusca and arthropoda are included in the series proterostomia.10.The simplest of the _________ belong to subkingdom Parazoa.

Match the statement in column “A” to column “B”, choose the correct answer from column B and write in column ”C”. (9)

Column A Column B Column CTherapy Hemorrhoids

Hepatitis B Turgor

Piles Treatment

Theory DNA

Plant vacuole. Serum virus.

Calvin cycle. Tested hypothesis

Double helix C3 – cycle.

Phytol Cyanide

Inhibitors Tail


Write short answer of the following question(62 = 12)

1. What is a polynucleotide chaire?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

2. Why are fats considered as high energy compounds?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

3. How does an enzyme acclerate a metabolic reaction?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

4. What is the helper T-Lymphocyte?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. What is super blue green algae?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

6. What is a immune system?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

Model Papers 37

Label the following diagram.(4)

Answers

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. A 2. A 3. A 4. C5. A 6. B 7. D 8. D9. B 10. A

Answers


Answer No.

Answer

1. Phosphatidylcholine 2. Reactant3. Transport of materials 4. Protein5. Replication 6. Human parasite7. Glycogen 8. Fertilized9. Animals 10. Animals

Answers


Answer No.

Answer

1. Treatment 2. Serum virum3. Hemorrhoids 4. Tested hypothesis5. Turgor 6. C3Cycle


7. DNA model 8. Tail9. Cyanide




Marks: 301. Describe floral characteristics of the family Brassicaceae or

solanaceae giving its economic importance. Write botanical names of three plants included in this family.

(3+3)2a.Describe in detail the mechanism of enzyme action.(3)b. Give the effect of PH and temperature on the efficiency of an

enzyme action.(3)

3a.Define nutrition. Describe the role of different elements on the nutrition.

(3)b. What are heterotrophs? Describe different methods of nutrition

heterotrophs. (3)4. Write notes on the following.

a. Lining world in space and time.b. Populationc. Community (6)

5a.Write a note on immunity and its types. (3)b. Describe the structure and functions of human stomach.

(3)

MODEL PAPER BIOLOGY

Intermediate Part 1 (Class XI)


Roll No.

Model Papers 39


Note: Write your Roll No, in space provided, over- writing, erasing using lead pencil will have no credit

Each question has four possible answers select the correct answer and encircle it

(10)

1. Cotton is a pure form ofa. Chitin b. Cellulose c. Pectin d. Glycogen

2. Koshland (1959) proposed _______ modela. Induce fit b. Fluid mosaic c. Hock and key d. Unit membrane

3. The factory of protein synthesis is the a. RER b. Mitochondriac. Nucleoli d. Ribosomes

4. A cube of eight Cocci is known as thea. Staphylococcus b. Sovccinac. Spirilla d. Bacilli

5. Phycoerythrin pigment is found in a. Diatoms b. Red algae c. Brown algae d. Green algae

6. In liches, Fungus protects the algal partnes froma. High temperature b. Desicationc. Strong light and desiccationd. Strong light

7. Pearls are produced bya. Octopus b. Land Snailsc. Cuttle fish d. Oysters

8. Which is absorbing peak of chlorophylla. 680 b. 670 c. 690 d. All

9. Appendicitis is disorder ofa. Small intestine b. Appendexc. Caecum d. Large intestine

10. Tuberculosis is disorder ofa. Heart b. Brain c. Stomach d. Lungs

Complete the following sentences.(10)


1. The animals which do not have a body cavity are grouped under _________.

2. Thylakoid membrane are involved in __________ synthesis by chemiosmosis.

3. Absorption is the uptake of the diffusible from the digestive region across the ____________ into the cell or into the blood stream.

4. In the processes of photorespiration CO2 is ___________ and oxygen is ___________.

5. The hearts of reptiles’ birds and mammals function as __________.6. Our blood normally contains _________% glucose.7. The most important function of ribosomes is that these are

involved in the _________ of protein.8. An activated enzyme consists of polypeptide chain and a cofactor

is know as __________9. _________ are bacteria without any flagella.10.Most ciliates are capable of a sexual process called _________.

Match the statement in column “A” to column “B” choose the correct answer form column B and write in column “C” (9)Column A Column B Column C

Microbiology Chitin

Fungus Malaria

Translation Phagocytosis

Plasmo dium Ribose suger.

Lysosomes Temperture

Pentose sugar Unpleasant cell

Chyme Distribution of organisms.

Activation energy Stomach.

Water blooms Synthesis of protein


1. What are the aims and objects of studying Biology? What is its scope?

Answer

___________________________________________________________________________

Model Papers 41

________________________________________________________________________________________________________________________________________________.

2. How do high temperature affect the enzyme activity? Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

3. State various structural modifications in a cell involved in secretions. Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

4. What is lysogeny?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. What are cysts?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

6. What is the humeral immune response?Answer


(4)


Answer

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. B 2. A 3. D 4. B5. B 6. C 7. D 8. D9. B 10. D

Answer


Answer No.

Answer

1. Acoelomata 2. ATP3. Membrane 4. released, absorbed 5. double circuit heart 6. 0.087. synthesis 8. Emil Fisher9. Atrichous 10. Conjugation

Answer


Answer No.

Answer

1. Distribution of organisms 2. Chitin3. Synthesis of Protein 4. Malaria5. Phagocytosis 6. Riboso suga7. Stomach 8. Temperature9. Unpleasent cell

Model Papers 43




1a.Describe in detail the structure of bactelial call wall, emphasizing on gram positive and gram negative properties.

(3)b. Write an account of different methods used for controlling

mecrobes. (3)2a.What are the groups of tracheophyte? Write the salient features of

philopsides? (3) b. What are cyanobacteria? Describe their characteristics?

(3)3a.State the cell theory. (2)b. Write short notes no the following.

(4)a. Cell members b. Nucleus c. Peotein d. Lipids

4a.Give plant lipe characters of englena.(3)b. Differentiate between complete and in complete Metamorphozis

with example. (3)5a.Write a short note on amino acids(3)b. Compare structured and function of chloroplasts and

mitochondria. (3)

MODEL PAPER BIOLOGY



Roll No:In figures:________In Words. ________


Note: Write your Roll No, in provided; over-writing, erasing using lead pencil will have no credit


(10)

1. Iodine turns staceh a. Violet b. Blue c. Yellow d. Red

2. All enzymes are globular a. Proteins b. Fatsc. Nucliec aciels d. Carbohydrates

3. Palade was the fit person to study the a. Ribosomes b. Plasticlsc. Peronisomes d. Lysosomes

4. The common waste material in bacteria are.a. Lactic acid b. Acetic acid c. Alcohol d. All of alone

5. Ciliates differ from other protozoans in having two kindsa. Nuclei b. centriolesc. Vacuoles d. Mitochondria

6. When spores of fungi grow, they gives rise to the a. Hyphare b. Sporophyterc. Gametophytes d. None of above

7. Euglenoids are thought to be closely related toa. Zooflagellates b. Diatoms

c. Brown algae d. Dinoflagellates

8. It is colonial coelenteratea. Jelly fish b. Hydra c. Obelia d. Sea anewone

9. ATP is generated bya. Dark reaction b. Chemiosmosisc. Height reaction d. Respiration

10. Hunger pang meansa. Hungry b. Sleepyc. No hunger d. Thirsty

11. Functional unit of human ling isa. Bronchi b. Pena c. Alveolus d. Bronchioles

Complete the following sentences (10)

Model Papers 45

1. The animals which have a false coelom have been grouped under _________.

2. In some places __________ sacs are stacked in columns called grana.

3. Amoeba proteus has intercellular mode of ____________.4. The gill surface is all the time ___________ by constant flow of

water.5. Myocardium of the heart is made up __________ muscles.6. The amount of DNA in germ cells (Sperms and ova) is almost

_________ to that of somatic cells.7. The _________ consists of stacks of flattened, membrane bound

sacs , called cisternae.8. __________ proposed a lock and key model of visualize substrate

and enzyme interaction.9. Some bacteria transfer genetic material from a donor bacterium

to a recipient during a process called _________.10.Classification of algae into phyla is largely based on their

_________.

Match the statement in column “A” to column “B” choose the correct answer from column B and write in column “C”. (9)Column A Column B Column C

Pathogenic Finger like projection

Appendix Light energy

Deoxyribose Carbonlhyclrogen

Chlorophyll Protective agent

Liver Disease cauring

Bioelement DNA

Vacline Co-factors

Metal ions Pentose sugar

Cyenetic material Mastication

Write short answer of the following questions.

1. How many amino acids are present in a proftin?

Answer

___________________________________________________________________________


________________________________________________________________________________________________________________________________________________.

2. Define enzymes.Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

3. How does autophagy help in converting a tadpole larva into an adult amphibian?

Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

4. What is the mode of transmission of HIV?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

5. Why bacteria need nutrition\ energy?Answer

___________________________________________________________________________________________________________________________________________________________________________________________________________________________.

6. What are blue babies?Answer


(4)

Model Papers 47

Answers

MCQsNo.

Ans No.

Ans No.

Ans No.

Ans

1. B 2. A 3. A 4. D5. A 6. A 7. A 8. B9. A 10. c

Answer


Answer No.

Answer

1. Pseudocoelomata 2. thylakoid3. Digestion 4. ventilated5. Cardiac 6. half7. Golgi apparatus 8. Enzymes9. Conjugation 10. pigment compesition

Answer


Answer No.

Answer

1. Disease causing 2. Finger like Projection3. Pentose sugar 4. Light energy5. Mastication 6. Carbon and hydrogen7. Protective agent 8. Co-factors9. DNA

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Biology Complete 5 model papers