Chapter 10

SUPERIOR SCIENCE ACADEMY, CHOWK AZAM (LAYYAH)

T23 (Girls) =BIOLOGY-I (Chapter 10 up Phylum Annelida)

Name of student………………………………………………………………… Roll #..................................

Q.1: Encircle the correct answer. {20x1=20}

1. The distinction between the branch parazoa and eumetazoa is based mainly on the absence versus the presence of a. body cavities b. true tissues c. mesoderm d. blood vascular system.

2. The branches radiate and Bilateral of the eumetazoa both exhibit

a. Dominance of diploid stage in life cycle b. Three germ layers in embryonic development

c. A complete digestive tract with separate mouth and anus d. Bilateral symmetry of larval forms

3. Which of the following is the characteristic of porifera?

a. Pores b. Canal system c. Aquatic d. no tissue organization

4. True animals are a. Non- cellular b. unicellular c. Multicellular d. Prokaryotes

5. Which one of the following coelenterates does not have any zooids?

a. Hydra and obelia b. Jelly fish and physalia c. Hydra and Jelly fish d. Physalia and cells

6. The name Animalia which means breath or soul is derived from

a. Greek word b. Latin word c. Italian word d. English word

7. All diploblastic animals have

a. Bilateral symmetry b. No symmetry c. Radial symmetry d. Diagonal symmetry

8. Gastrovascular cavity is the characteristics of

a. Cnidarians b. Annelids c. Platyhelminthes d. Echinoderms

9. Body cavity of poriferans is called a. Haemocoel b. Blastocoels c. spongocoel d. Gastrocoel

10. In sponges food is ingested by which type of cells

a. pinacocytes b. Choanocytes c. Amoebocytes d. phagocytes

11. Which of the following is called Venus flower basket?

a. sycon b. Leucosolenia c. Euplectella d. Spoon bill

12. In cnidarians polyp animals helps to feed so are called

a. Gonozoids b. Gastrozoids c. Holozoids d. Reprozoids

13. Cnidarians are characterized by the presence of cnidocytes which gives rise to

a.Heterocysts b. Nematocysts c. thermocysts d. Endocysts

14. Which of the following cnidarians produce exoskeleton of Ca CO3.

a. Hydra b. Jelly fish c. Corals d. Obelia

15. It exist only in polyp form, therefore alternation of generation is absent in

a. Jelly fish b. Physalia c. Hydra d. Obelia

16. With few exceptions, the Platyhelminthes are

a. symbionts b. Autotrophic c. Endoparasites d. Predators

17. The excretory system of Platyhelminthes consists of branching tubes ending in the bulb like cells called. a. Fire cells b. blaze cells c. flame cells d. Bowman’s cells

18. Which one of the following are free living flat worm?

a. Tape worm b. Planarian c. Liver fluke d. Blood fluke

19. Which one of the following is an endoparasite of man, cattle and pig?

a. Liver fluke b. Planarian c. tapeworm d. Earthworm

20. Coral reef are mostly formed of a. Calcium carbonate b. silica c. chitin d. lignin

Q.2: Answers briefly any 10 short questions in all. All questions carry equal marks. {10x1=10}

1. Differentiate Parazoa and eumetazoa 2. Three differences between radiate and bilateria 3. Three difference between acoelomates and coelomate 4. Define protandrous and gemmule 5. Three difference between proterostome and Deuterostomes 6. Three importances of sponges 7. Differentiate between spiral and determinate cleavage and radial and indeterminate cleavage 8. Three main differences between diploblastic and triploblastic animal 9. Differentiate between an-amniotes and amniotes 10. Differentiate between pinacoderm and choanoderm 11. Define alternation of generation and polymorphism 12. Why pseudocoelom is not homologous to true coelom?

Q.3: Discuss in detail i. Phylum Porifera ii. Phylum Platyhelminthes iii. Infestation and disinfestations


T23 (Boys) =BIOLOGY-I (Chapter 10 up Phylum Annelida)



1. As a group acoelomates are characterized by.

a. gastro vascular cavities b. a colon that is not completely lined with mesoderm

c. a solid body without a cavity surrounding internal d. Deuterostomes development

2. Which of the following causes sleeping sickness?

a.Trypanosoma b. Amoeba c. Euglena d. Plasmodium

3. Platyhelminthes are a. bilaterally symmetrical b. radially symmetrical c. Asymmetrical d. All

4. Group deuterostomata includes phylum

a. Chordata b. Annelida c. Arthropoda d. Deuterostomes

5. The multicellular animals evolved from

a. Sporozoa b. unicellular ciliates c. Unicellular flagellates d. Parazoa

6. Virtually all biologists agree that animals evolved from

a. Prokaryotes b. amoeboid eukaryotes c. Protoctista d. fungi

7. Beside ectoderm and endoderm, a third non cellular layer present in diploblastic animals is

a. Parenchyma b. Mesenchyma c. Epidermis d. Hypodermis

8. Pseudocoelom is not homologous to true coelom because

a. It is not lined by coelomic epithelium b. It develops from blastocoels of the embryo

c. It has no relation with the reproduction and excretory organs d. all

9. Pores on the body of sponges are called a. Asculum b. Anus c. Ostia d. Mouth

10. The bath sponge has skeleton made up of

a. spicules b. connective tissue c. spongin fibers d. calcareous cells

11. It is a fresh water sponge a. Sycon b. Leucoslenia c. euplectella d. Spoon bill

12. Which of the following animals in cnidarians have gonads?

a. Gastrozoids b. Medusae c. Polyps d. gonozoids

13. Blastostyle in obelia colony gives rise to a. Polyps b. Medusae c. Gonozoids d. all

14. They are commonly called corals

a. Aurelia b. Actinia c. Madrepora d. Physalia

15. The name Platyhelminthes means

a. Hook worm b. Blood worm c. Round worm d. Flat worm

16. The body of tape worm is divided into segments called.

a. Mesenteries b. Glottides c. Proglottids d. Septa

17. The host of liver fluke may be a. Sheep b. man c. snail d. all

18. Tape worm is transmitted to the body of man by

a. drinking foul water b. eating, green vegetables

c. eating improperly cooked beef d. eating, rotten fruits

19. About 20 % of food of sponges is a. zooplankton b. phytoplankton c. detritus d. small fish

20. The Platyhelminthes means a. round worm b. pointed worm c. flate worm d. shipworm


1. Differentiate Parazoa and eumetazoa 2. Three differences between radiate and bilateria 3. Three difference between acoelomates and coelomate 4. Define protandrous and gemmule 5. Three difference between proterostome and Deuterostomes 6. Three importances of sponges 7. Differentiate between spiral and determinate cleavage and radial and indeterminate cleavage 8. Three main differences between diploblastic and triploblastic animal 9. Differentiate between an-amniotes and amniotes 10. Differentiate between pinacoderm and choanoderm 11. Define alternation of generation and polymorphism 12. Why pseudocoelom is not homologous to true coelom?

Q.3: Discuss in detail i. Phylum Porifera ii. Phylum Platyhelminthes iii. Infestation and disinfestations


T23 (Girls) =BIOLOGY-II (Chapter 23 S.Q &MCQ)



1. Restriction enzymes are present in a. virus b. bacteria c. plasmids d. fungi

2. Number of restriction enzymes discovered so far is a. 21 b. 300 c. 400 d. 500

3. The commonly used restriction enzyme is

a. E. Coli b. ECo RI c. PCR d. phage

4. The collection of different sized fragments is a. probes b. RELP c. PCR d. Gel

5. Plasmids having desired gene/DNA are known as a. rDNA b. cDNA c. recombinant DNA d. chimera

6. Thermos aquatics is a. an enzyme b. hormone c. protein d. bacterium

7. Which of the followings is irrelevant for PCR?

a. Primer RNA b. Recombinant DNA c. DMA polymerase d. thermo cycler

8. Pieces of DNA, are separated on a. Agro b. Agarose Gel c. Agar d. RFLP

9. Analysis of the entire genome DNA is done by a. PCR b. DNA polymerase c. gel. Electrophoresis d. DNA finger printing

10. How many methods can be used in gene sequencing? a. 2 b. 3 c.4 d. 6

11. The single stranded nucleotide sequence that hybridize into certain piece is

a. Clone b. probe c. RELPs d. Endonuclease

12. Probe is a a. Part of DNA pieces b. Cline of bacteria with pieces of DNA

c. Single standar4d RNA pieces d. Single standard DNA pieces

13. Commonally used restriction enzyme is a. EcoR1 b. EcoR2 c. EcoR3 d. EcoR4

14. In 1970, Hamilton D. Smith at Johns Hopkins University, isolated the first

a. DNA polymerase b. DNA ligase c. Restriction enzyme d.plasmid

15. There are three billion base pairs in the a. human genome b. horse genome c. pig genome d. monkey genome


1. Define biotechnology. Name any three biotechnology products2. Define genetic engineering. Name the possible ways to get the gene of interest 3. What are palindromic sequences? 4. What are restriction enzymes? 5. What are plasmids? Give their importance 6. Define genome and genomic library. 12. What is DNA finger printing? 7. What is a probe? What is its use? 8. Define PCR. What is the use of PCR amplification and DNA analysis? 9. What is RFLP? What is the role of DNA polymerase/Taq polymerase in PCR? 10. Write down the main principle of gene sequences. 11. What is human genome project? Give two primary goals of human genome project? 12. What is tissue culture and hygerdization 13. Uses of PCR


T23 (Boys) =BIOLOGY-II (Chapter 23 S.Q &MCQ)



1. PCR technique was developed by a. Kary B. Mullis b. mail to c. F. Sanger d. Maxim Gilbert

2. The technique used to produce copies of gene in laboratory is

a. PCR b. recombinant DNA technology c. RFLP d. Genomic library

3. PSC 101 has antibiotic resistance gene for a. Ampicillin b. Tetracycline c. penicillin d. streptomycin

4. ….is the production of many identical copies of a gene a. clone b. transgenic c. RFLP d. cloning

5. Palindromic sequence is present in a. single phase b. repeated form c. reverse order d. similar order

6. Kary B. Mullis developed the PCR in a. 1897 b. 1923 c. 1973 d. 1983

7. The plasmids having resistant gene against tetracycline and Ampicillin are

a. p SC 101 b. PBR 332 c. Eco R1 d. Phage virus

8. Match Sanger’s method for generation of pieces of DNA with one of the following

a. Deoxyribonucleotides b. deoxyribonucleoside c. dideoxyribonucleoside d. DNA threads

9. Match recombinant DNA with one of the following a. chimaeras DNA b. DNA lipase c. plasmids d. end nucleases

10. The important application of DNA finger printing is in a. biology b. criminology c. genetics d. humanities

11. Antibody which is used for the treatment of genital herpes is obtained from? a. yeast b. soya bean c. Corn d. Wheat

12. Which of the following is model plant in which gene sequencing has been completed?

a. Yeast b. Pea c. Arabidopsis d. Plum

13. The chemical make the bacterial membrane permeable is a. NaCI b. Ca CI2 c. Na2CO3 d. CaCO3

14. In 1970, Hamilton D. Smith at Johns Hopkins University, isolated the first

a. DNA polymerase b. DNA ligase c. Restriction enzyme d. RNA polymerase

15. There are three billion base pairs in the a. human genome b. horse genome c. pig genome d. monkey genome


1. Define biotechnology. Name any three biotechnology products 2. Define genetic engineering. Name the possible ways to get the gene of interest 3. What are palindromic sequences? 4. What are restriction enzymes? 5. What are plasmids? Give their importance 6. Define genome and genomic library. 12. What is DNA finger printing? 7. What is a probe? What is its use? 8. Define PCR. What is the use of PCR amplification and DNA analysis? 9. What is RFLP? What is the role of DNA polymerase/Taq polymerase in PCR? 10. Write down the main principle of gene sequences. 11. What is human genome project? Give two primary goals of human genome project? 12. What is tissue culture and hygerdization 13. Uses of PCR


T19 (Girls) =BIOLOGY-I (Chapter 9 up to Evolution of leaf)


1. Define phylogenetic system of classification.

2. Name different classes of division Bryophyta (non Vascular plant)

3. Define alternation of generation 4. Define homosporous and heterosporous plant

5. Three main characteristics of bryophytes 6. Differentiate sporophyte and gametophyte

7. Give three characteristics of class hepaticopsida (liverworts)

8. Give three characteristics of class music (mosses)

9. Give three characteristics of class anthocerotae (hornworts) 10. Define paraphyses and protonema

Q.2 a) Define and explain alternation of generation. {5}

b) Explain evolution of leaf. {5}

c) Describe the adaptation in bryophytes to land habitat {5}


T19 (Girls) =BIOLOGY-I (Chapter 9 up to Evolution of leaf)


Q.3: Each question has four options. Encircle the correct answer.

Over writing, cutting and use of ink remover bear no mark. {15x1=15

1. The example of hepaticopsida is

a. Anthoceros b. Psilotum c. Funaria d. Marchantia

2. The leaf having single undivided vein is called

a. microphyll b. megaphyll c. mesophyll d. heterophyll

3. The first plant to colonized land is

a. bryophytes b. pteridophytes c. gymnosperms d. angiosperm

4. In bryophytes fertilization takes place in

a. megasporangium b. water c. embryo sac d. microsporangium

5. The archegonia and sporangia form clusters and mixed with

a. sterile leaf b paraphysis c. protonema d. all

6. Example of mosses are

a. funaria b.anthoceros c. polytrichum d. marchantia

7. The process of evolution of leaf was very slow and gradual which completed in more than

a. 1-10 M years b. 5-15 myears c. 15-29 M years d. 20-25 M years

8. The arrangement of unequal dichotomies in one plane is termed as

a. overtopping b. fusion c. planation d. webbing

9. In anthoceros sporophyte at the junction of foot and spore producing region, there are a band of

a. paraphysis b. meristem c. protonema d. all

10. Known species of plants are about

a. 260000 b. 160000 c. 360000 d. 460000

11. The spore of a moss develops into an alga like structure,

a. paraphysis b. protonema c. sterile hair d. a + c

12. The sorophyte of bryophytes is usually differentiated into foot, seta and

a. leaf b. stem c. capsule d. calyptras

13. The simplest of all bryophytes are

a. mosses b. hornworts c. liverworts d. whisk fern

14. Some liverworts are differentiated into a false stem, and leaves e.g

a. porella b. marchantia c. anthoceros d. polytrichum

15. Heterogamy is the production of two types of

a. gametes b. spores c. seed d. ovules


T20 (Girls) =BIOLOGY-I (Chapter 9 up to classification of angiosperms)


1. Write three main characters of lycopsida 2. Write three main characters of sphenopsida

3. Write three main characters of class filicinae 4. Define arthrophytes and circinate vernation

5. Define an ovule and fronds 6. What are spermatophytes?

7. Write three main characters of class gymnospermae 8. Write three main characters of class angiospermae

9. Define double fertilization. What is its importance? 10. What is a seed? Give its importance

11. Why tracheophytes are most successful land plant? 12. What is prothallus?

Q.2 a) Explain various steps involved in the evolution of seed habit in spermatophytes. {7 ½}

b). Describe the life cycle of an angiospermic plant OR

Describe the life cycle of a pinus plant. {7 ½}


T20 (Girls) =BIOLOGY-I (Chapter 9 up to classification of angiosperms)




1. There are two living genera in Psilopsida

a. Psilotum & Psilophyton b. Psilotum & Tmesipeteris

c. Cooksonia and Psilotum d. Cooksonia and Tmesipeteris

2. The seed of Pinus upon germination gives rise to a new ….. Plant

a. gametophyte b. sporophyte c. angiosperm d. both a & c

3. Male gametes produced by antheridia are called

a. seed b. ovules c. eggs d. antherozoids

4. Stem of adiantum, is usually unbranched, horizontally growing and called

a. rhizoid b. rhizome c. stipe d. tuber

5. Root arise from the lower side of the rhizome are called

a. fibrous roots b. tap roots c. adventitious roots d. fibrous adventitious roots

6. Sori are protected by the bent margin of the leaflet, forming false

a. root b. pods c. caryopsis d. indusium

7. Selaginella resembles seed producing plants because of its

a. heterospory b. homospory c. seed d. both a&b

8. The leaflets show dichotomous venation in

a. Funaria b. Ulva c. Anthoceros d. Adiantum

9. Each sorus consists of a number of

a. antheridia b. archegonia c. sporangia d. capsule

10. At its longest diameter, the size of prothallus is about

a. 8 cm b. 8 mm c. 8 µm d. 8 A0

11. The prothallus is a. monoecious b. dioecious c. bisexual d. hermaphrodite

12. The archegonium consists of

a. venter and stalk b. ovary and style c. Venter and neck d. ovary and neck

13. First complete seed appeared about…..million years ago during late Devonian times

a. 360 b. 365 c. 375 d. 265

14. The term gymnospermae literally means

a. enclosed seeded b. naked seeded c. seedless d. both a & b

15. Technically a seed may be defined as a fertilized

a. egg b. ovule c. oospores d. both a & b


T22 (Boys) =BIOLOGY-I (Chapter 9 Important questions)


1. Differentiate between monocot and dicot. 2. Write four characters of bryophytes

3. What is the importance of family gramineae 4. Define caryopsis and spike

5. Give economic importance of family Caesalpiniaceae

6. Write down the scientific name of three important plant of family Solanaceae

7. How pollination and fertilization occurs in Pinus 8. What are annulus and stomium?

9. Define double fertilization. What is its importance? 10. What is a seed? Give its importance

11. Why tracheophytes are most successful land plant?

12. Define alternation of generation. What is its importance?

Q.2 a) Explain various steps involved in the evolution of seed habit in spermatophytes. {7 ½}

b). Describe the life cycle of Adiantum. OR

Describe the characteristics of family fabaceae. {7 ½}


T22 (Boys) =BIOLOGY-I (Chapter 9 Important questions)




1. There are two living genera in Psilopsida

a. Psilotum & Psilophyton b. Psilotum & Tmesipeteris

c. Cooksonia and Psilotum d. Cooksonia and Tmesipeteris

2. The seed of Pinus upon germination gives rise to a new ….. Plant

a. gametophyte b. sporophyte c. angiosperm d. both a & c

3. Male gametes produced by antheridia are called

a. seed b. ovules c. eggs d. antherozoids

4. Stem of adiantum, is usually unbranched, horizontally growing and called

a. rhizoid b. rhizome c. stipe d. tuber

5. Root arise from the lower side of the rhizome are called

a. fibrous roots b. tap roots c. adventitious roots d. fibrous adventitious roots

6. Sori are protected by the bent margin of the leaflet, forming false

a. root b. pods c. caryopsis d. indusium

7. Selaginella resembles seed producing plants because of its

a. heterospory b. homospory c. seed d. both a&b

8. The leaflets show dichotomous venation in

a. Funaria b. Ulva c. Anthoceros d. Adiantum

9. Each sorus consists of a number of

a. antheridia b. archegonia c. sporangia d. capsule

10. At its longest diameter, the size of prothallus is about

a. 8 cm b. 8 mm c. 8 µm d. 8 A0

11. The prothallus is a. monoecious b. dioecious c. bisexual d. hermaphrodite

12. The archegonium consists of

a. venter and stalk b. ovary and style c. Venter and neck d. ovary and neck

13. First complete seed appeared about…..million years ago during late Devonian times

a. 360 b. 365 c. 375 d. 265

14. The term gymnospermae literally means

a. enclosed seeded b. naked seeded c. seedless d. both a & b

15. Technically a seed may be defined as a fertilized

a. egg b. ovule c. oospores d. both a & b

16. Solanaceae is a family of about

a. 90 genera and 200 species b. 90 genera and 2000 species

c. 70 genera and 200 species d. 80 genera and 1000 species

17. The integument s of the ovule form

a. testa b. tegmen c. stamen d. both a & b

18. The term angiosperm literally means

a. enclosed seed b. naked seed c. open seed d. all

19. the megasporophylls bearing ovules are not folded and joined at the margins to form an ovary

a. filicineae b. dicot c. monocot d. gymnospermae

20. At the tips of branches in Psilopsida are produced

a. archegonia b. antheridia c. sporangia d. zygote


T23 (Girls) =BIOLOGY-I (Chapter 10 Phylum Arthropoda- Hemichordata)



1. Probosis, collar and trunk are present in a. sea urchin b. brittle star c. balanoglossus d. molgula

2. The organ of locomotion in mollusks is the a. pseudopodia b. setae c. foot d. radula

3. In insect, there are … pairs of legs a. 3 b. 4 c. 2 d. 5

4. In arthropods, the body cavity is a. pseudocoelom b. enterocoel c. haemocoel d. haemocyanin

5. The system in which water move inside the body of an echinoderm is called

a. water vascular system b. osculum c. madreporite d. pores

6. In echinoderms and chordates, anus is formed from a. blastopore b. ectoderm c. mesoderm d. trochophore larva

7. In cephalopoda,, the gaseous exchange takes place through a. haemoglobin b. haemocyanin c. lungs d. cutin

8. The most common arthropods on earth are a. crustaceans b. arachnids c. myriapods d. insects.

9. The sensory organs in arthropods are antennae and;

a. simple eyes b. simple ears c compound eyes d. nasal receptors

10. The exoskeleton of arthropods is composed of a. silica b. peptidoglycan c. chitin d. cellulose

11. Aquatic arthropods respire through a. lungs b. Book lungs c. Tracheal tubes d. spiracles

12. Insects are characterized by a. 3 pairs of legs b. 2 pairs of wings c. book lungs d. 4 pairs of legs

13. The second largest phylum of invertebrates which includes 50,000 species is

a. annelid b. echinodermata c. mollusk d. poriferans

14. The circulatory system is of open type in mollusks except for class.

a. Bivalve b. gastropod c. cephalopod d. arachnid

15. The largest invertebrate animals is a. giants insects b. giant starfish c. giant squid d. giant sponge

16. The garden snail belongs to class. a. gastropoda b. bivalvia c. cephalopoda d. myriapoda

17. All the larvae of echinoderms show.

a. radial symmetry b. bilateral symmetry c. no symmetry d. oblique symmetry

18. Echinodermata show affinities with a. chordata b. nematoda c. arthropoda d. annelida

19. The most common arthropods on earth are a. crustaceans b. arachnids c. myriapods d. insects

20. The body of annelids is a. metamerically segmented b. jointed legs c. posteriorally segmented d. non motile

Q.2: Answers briefly any 8 short questions in all. {10x1=10}

1. Three characters of phylum hemichordata 2. Three characters of classcephalopoda 3. Three characters of class myriapoda 4. Haemocyanin and mantle? 5. Metamorphosis? 6. Moulting and how it is beneficial for arthropods? 7. Three characters of class crustacean. 8. Arthropods as most successful group, how? 9. What are the affinities of echinodermata with Chordata? 10. Three importances of Mollusks

Q.3 Characteristics of ii. Phylum Mollusca ii. Phylum Arthropoda iii. Importance of insects {5x2=10}


T23 (Boys) =BIOLOGY-I (Chapter 10 Phylum Arthropoda- Hemichordata)



1. Probosis, collar and trunk are present in a. sea urchin b. brittle star c. balanoglossus d. molgula

2. The organ of locomotion in mollusks is the a. pseudopodia b. setae c. foot d. radula

3. In insect, there are … pairs of legs a. 3 b. 4 c. 2 d. 5

4. In arthropods, the body cavity is a. pseudocoelom b. enterocoel c. haemocoel d. haemocyanin

5. The system in which water move inside the body of an echinoderm is called

a. water vascular system b. osculum c. madreporite d. pores

6. In echinoderms and chordates, anus is formed from a. blastopore b. ectoderm c. mesoderm d. trochophore larva

7. In cephalopoda,, the gaseous exchange takes place through a. haemoglobin b. haemocyanin c. lungs d. cutin

8. The most common arthropods on earth are a. crustaceans b. arachnids c. myriapods d. insects.

9. The blood is colorless in a. annelids b. arthropods c. nematodes d. echinoderms

10. The body of arthropods is covered by water proof chitinus cuticle secreted by the.

a.hpodermis b. epidermis c. dermis d. endodermis

11. Aquatic group of arthropods is called a. arachnidan b. crustacean c. insect d. myriapoda

12. In crustacean on the dorsal side of the body the exoskeleton is in the form of

a. carapace b. sheath c. plastron d. envelope

13. Each segment of body bears a pair of jointed legs in a. insects b. crustaceans c. arachnids d. myriapods

14. In mollusks the space between the shell and mantle cavity contains a. kidneys b. lungs c. radial d. gills

15. During embryological development of mollusks’ the larva formed

a. Bipinnaria b. brachiolaria c. trochophore d. planeload

16. Which of the following is called shipworm? a. sepia b. lolling c. limas d. torpedo

17. Exclusively marine phylum is a. poriferans b. cnidarians c. echinodermata c. Platyhelminthes

18. The most unique characteristics of echinoderms is their

a. nervous system b. tube like digestive system c. water vascular system d. body organization

19. All are echinoderms except for a. Jelly fish b. Star fish c. Brittle star d. Cake urchin

20. The chaetae are absent in a. Lumbricus b.Pheretima c. Leech d. molluscs

21. Balanoglosssus and Saccoglossus are the common examples of

a. hemichordate b. chordate c. protochordata d. cephalochordate

Q.2: Answers briefly any 8 short questions in all. {10x1=10}

1. Three characters of phylum hemichordata 2. Three characters of classcephalopoda 3. Three characters of class myriapoda 4. Haemocyanin and mantle? 5. Metamorphosis? 6. Moulting and how it is beneficial for arthropods? 7. Three characters of class crustacean. 8. Arthropods as most successful group, how? 9. What are the affinities of echinodermata with Chordata? 10. Three importances of Mollusks

Q.3 Characteristics of ii. Phylum Mollusca ii. Phylum Arthropoda iii. Importance of insects {5x2=10}


T23 (Boys) =BIOLOGY-II (Chapter 25 up to parasitism)



1. Production of new organic matter at the consumer levels is called…….. Production

a. gross b. primary c. secondary d. net

2. The total amount of energy fixed by plants is …… production

a. primary b. gross primary c. net primary d. secondary

3. Primary succession is a a. formation of ecosystem on land b. formation of ecosystem on bare land

c. formation of ecosystem on disturbed land d. formation of ecosystem on improved soil

4. T3 includes a. primary consumers b. producer c. secondary consumers d. tertiary consumers

5. Climax is the establishment of a. woody forest b. grasses c. herbs d. shrubs

6. The serial stages of the primary succession are

a. lichen and algae b. mosses and fern c. grasses and shrubs d. all

7. Balance of ecosystem is kept by a. food chain b. food web c. succession d. trophic levels

8. The succession occurs on bare rock is a. primary b. secondary c. tertiary d. quaternary

9. Niche includes a. habitat b. feeding habit c. physical environment d. all

10. Biosphere extends over upper surface of earth up to a. 7-8 km b. 8-9 c. 8-10km d. 9-11km

11. Regional ecological community of plants and animals form

a. biosphere b. biome c. forest d. niche

12. Layer of earth where life is present is called a. hydrosphere b. lithosphere c. biosphere d. all

13. Group of interbreeding organisms residing together in space and time is

a. population b. individual c. species d. genus

14. Who proposed the term niche? a. Charles Eton b. Josef Grinnell c. Ernst Haeckel d. Sacks

15. All green plants, grasses and phytoplankton make a. first trophic level b. T1 c. T3 d. both a & b


1. Ecology, ecosystem 2. Biosphere, synecology, autecology 3. Climax community, habitat 4. Species, Niche 5. Population and community 6. Name biotic and abiotic components of an ecosystem 7. Hydrosere and xerosere 8. Pprimary and secondary succession 9. Define and ecosystem 10. Define food chain and food web 10. What is parasitism and its significance?

Q.3 a) Define succession. Explain succession on land b) food chain and food web c) component of ecosystem


T25 (Girls) =BIOLOGY-I (Chapter 10 Phylum Hemichordata-end)


1. Give three general characteristics of hemichordates (prechordates) 2. What is Dipnoi?

3. Give three fundamental characteristics of phylum Chordata 4. What is the economic importance of sharks?

5. Give the characteristics of Chondrichthyes (Jaw less fishes) 6. What is Archaeopteryx?

7. Write down the differences between water and land habitats 8. What are Cotylosaurs and Varanope?

9. Differentiate between Urochodates and Cephalochordates 10. Give three characters of class aves

11. Differentiate Chondrichthyes and Osteichthyes

12. Similarities and differences between amphibian and reptiles

Q.2 Discuss in detail i. Class Mammalia ii. Class Aves iii. Adaptations in fishes to aquatic life


T25 (Girls) =BIOLOGY-I (Chapter 10 Phylum Hemichodata-end)



Over writing, cutting and use of ink remover bear no mark. {20x1=20}

1. Balanoglosssus and Saccoglossus are the common examples of

a. hemichordate b. chordate c. protochordata d. cephalochordate

2. Phylum chordate derives its name from which one of the few characteristics?

a. Dorsal hollow nerve tube b. Notochord c. Nerve cord d. Pharyngeal gill slits

3. Notochord and nerve chord extend along the entire length of the body and persist throughout life in

a. molgula b. amphioxus c. balanoglossus d. mytilis

4. Which of the following group is called amniotes?

a. Reptilia b. Amphibian c. Cyclostomata d. Osteichthyes

5. In which class of Pisces there are 5-7 pairs of gills?

a. cyclostomata b. osteichthyes c. chondricthyes d. Platyhelminthes

6. Liver oil of which of the following is used as source of vitamin A and D?

a. Whale b. electric rays c. sting rays d. shark

7. An operculum covers the gills of

a. Jawless fishes b. Cartilaginous fishes c. bony fishes d. lobe finned fishes

8. Which of the following group of vertebrates showed modification of aquatic breathing system to meet the conditions of terrestrial life?

a. Dipnoi b. Amphibians c. Pisces d. Aves

9. The protective embryonic membranes of vertebrates are following except for

a. Amnion b. allantois c. Chorion d. Ozone

10. The earliest known bird fossil is that of

a. Archaeopteryx b. cotylosaurs c. Varanope d. Dinosaurs

11. Varanope was an early reptile that was found as fossil in:

a. Scotland b. Siberia c. texas d. Berlin

12. In mammals external ear or pinna is present and there is a chain of three bones in the ear called malleus, incus an:

a. Tarsal b. carpal c. stapes d. occipital

13. Which of the following is not sub class of mammalian?

a. metatheria b. prototheria c. eutheria d. pseudotheria

14. The vertebrates in which placenta is developed during foetal development are called.

a. prototherian mammals b. metatherian mammals

c. ethereal mammals d. all of given options

15. Placoid scales are present on the body of

a. Chondrichthyes b. Osteichthyes c. Cyclostomata d. cephalopoda

16. The example of sub phylum urochodata is

a. Molgula b. Amphioxus c. Mytilis d. Varanope

17. Protective embryonic membranes i.e. amnion, allantois and chorion are not present in

a. mammals b. birds c. reptiles d. amphibians

18. Mammals became dominant in which period

a. Jurassic b. Ordovician c. Cenozoic d. Devonian

19. Only left aortic arch is present in


20. Early fossil bird is a. Cotylosaur b. Archaeopteryx c. Kiwi d. all


T25 (Girls) =BIOLOGY-I (Chapter 10 Phylum Hemichordata-end)



Over writing, cutting and use of ink remover bear no mark. {20x1=20}

1. Which of the following types of dermal scales are not present in bony fishes?

a. Placoid scales b. Glanoid scales c. Cycloid scales d. Ctenoid scales

2. Most primitive living vertebrates which are without jaws are grouped in class:

a. aves b. cyclostomata c. chondrichthyes d. osteichthyes

3. Which of the following is not a character of class cyclostomata?

a. Body ell like b. scales absent

c. ventral suctorial mouth d. digestive system with J- shaped stomach

4. Reptilia, amphibian and aves are grouped in super class;

a. pisces b. tetrapoda c. cephalopoda d. bipoda

5. Which of the following group of chordates are also called tunicates?

a. cephalochordate b. urochordata c. hemichordate d. vertebrata

6. Which of the following is not a sub phylum of chordate?

a.Urochordata b. cephalochordate c. craniata d. hemichordate

7. Excretory system does not have a bladder in:

a. Sparrow b. cat c. Deer d. Man

8. Reptiles flourished throughout

a. Proterozoic era b. Mesozoic era c. Paleozoic era d. Cenozoic era

9. One of the paired fins of fish is the

a. Caudal b. dorsal c. pelvic d. anal

10. In mammals the thoracic and abdominal cavities are separated by a muscular:

a. partition b. panel c. septum d. diaphragm

11. Red blood cells are none nucleated in

a. Amphibians b. reptiles c. birds d. mammals

12. Heart is 3 chambered with respect to atria and ventricle in

a. fishes b. Amphibians c. reptiles d. mammals

23. Abdominal pouch in methatherian mammals is called

a. placenta b. marsupium c. diaphagram d. abdominal cavity

14. Archaeopteryx resembles the present day birds in having similar

a. Gizzard b. Skeleton c. Skull d. Tail

15. Placoid scales are present on the body of

a. Chondrichthyes b. Osteichthyes c. Cyclostomata d. cephalopoda

16. The example of sub phylum urochodata is

a. Molgula b. Amphioxus c. Mytilis d. Varanope

17. Protective embryonic membranes i.e. amnion, allantois and chorion are not present in


18. Mammals became dominant in which period

a. Jurassic b. Ordovician c. Cenozoic d. Devonian

19. Only left aortic arch is present in


20. Early fossil bird is a. Cotylosaur b. Archaeopteryx c. Kiwi d. all

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Chapter 10