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11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]
X
2 This is demo ans.
Name the scientist, who has worked on pneumococcus bacteria ?
(A) Neuton (B) Mendel (C) Griffith (D) Watson
Which species of pneumococcus bacteria found poisonous ?
(A) S-I (B) S-II (C) R-II (D) S-III
Which species of pneumococcus bacteria forms rough colonies ?
(A) S-II (B) R-I (C) S-III (D) R-II
In DNA which kind of bond’s found in co-valency ?
(A) Hydrogen bond (B) Peptide bond
(C) Phosphate bond (D) Phosphodiester bond
In DNA [A] + [G] = ............
(A) [T] + [C] (B) [T] – [C] (C) [T] ´ [C] (D) (A) and (C) both
Which ratio is changes with the diversity of organisms ?
(A)A + GT + C
(B)A + TG + C
(C)G + TC + A
(D)G + CA + T
Who is functioned very well as a messenger as well as transporter ?
(A) DNA (B) Nucleotide (C) RNA (D) All of the above
Which scientists has given the double helix structure of DNA ?
(A) Watson, Crick, Wilkinson (B) Ervin
(C) Avery, Macleod (D) Dr. Khorana and Mc Carty
By which enzyme the newly synthesized chain is formed in DNA ?
(A) DNA polymerase (B) Phosphodiesterase
(C) DNA polymerase-III (D) DNA-polymerase-II
When DNA polymerase-III is being activated ?
(A) When short chain of DNA is formed (B) When primer is formed
(C) At the time of lagging strand formed (D) At the time of nucleotides formed
Which enzyme is firstly attached in the initiation of transcription ?
(A) Transcriptase (B) Polymerase (C) Ligase (D) RNA polymerase
The processes of structural gene regulated by operator site is regulated by what ?
(A) Structural protein (B) Repressor protein (C) Promoter (D) Regulatory gene
Which protein is responsible for the switching on and off of operator ?
(A) Repressor protein (B) Regulatory protein (C) Structural protein (D) Promoter
The rate of synthesis of m-RNA is regulated by what ?
(A) Promoter gene (B) Regulatory gene (C) Operator gene (D) Structural gene
The process of translation to synthesize a protein is regulated by which gene ?
(A) Promoter gene (B) Regulatory gene (C) Operator gene (D) Repressor gene
Which genes function for negative regulation ?
(A) Regulatory (B) Repressor gene (C) Promoter (D) Structural gene
By what name the process of determination and collection of the sequence of nucleotides known ?
(A) Database (B) Gene mapping (C) HGP (D) Genomics
How many nucleotide base does a human genome contain ?
(A) 1 > billion (B) 2 > billion (C) 3 > billion (D) 3 > million
By the help of DNA fingerprinting from the blood stains on the cloths of Abraham Lincoln, his
which deficiency was discovered ?
(A) Turner syndrome (B) Kline felter’s syndrome
(C) Marfan’s syndrome (D) Malaria, typhoid
shrihari higher secondary schoolMarks:80 Subject:12th-Bio
Chapter:6,8 12th biochap 6 and 8
Date:14/10/19
Time:3hour
[A] [80]
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By the help of DNA fingerprinting from the blood stains on the cloths of Abraham Lincoln, his
which deficiency was discovered ?
(A) Turner syndrome (B) Kline felter’s syndrome
(C) Marfan’s syndrome (D) Malaria, typhoid
Which of the following is used for making a DNA fingerprint ?
(A) The things used by the person (B) Bones
(C) Various chemicals and medicines (D) Blood, semen, hair bulb.
In order to make a DNA fingerprint, which of the following enzyme are used to digest the DNA ?
(A) Maltase, lactase, sucrase (B) Restriction digestion, restriction endonuclease
(C) Peptidase - nucleopeptidase (D) Hexokinase - dehydrogenase
The principal genetic material of living being is .............
(A) RNA (B) DNA (C) Both (A) and (B) (D) None of above
Genetic code means ..........
(A) singlet code (B) doublet code (C) triplet code (D) none of the above
RNA is genetic material in ..........
(A) bacteria (B) plant viruses (C) fungi (D) none of the above
TMV contains a genetic material ..........
(A) DNA (B) RNA (C) DNA and RNA (D) chromosome
Duplication of DNA is called ..........
(A) transduction (B) translation (C) replication (D) chromosome
Gene is a ..........
(A) a segment of DNA (B) one nucleotide (C) DNA and RNA both (D) protein synthesis
In Operon model, regulator gene functions as
(A) repressor (B) regulator (C) Inhibitor (D) all of the above
Transfer of information from DNA to RNA is called ..........
(A) transcription (B) translation (C) transduction (D) migration
Gene controls
(A) heredity but not protein synthesis. (B) biochemical reaction of some enzymes.
(C) protein synthesis and heredity. (D) protein synthesis but not heredity.
Anticodon is associated with
(A) t-RNA (B) r-RNA (C) m-RNA (D) DNA
In cytoplasm after replacement of with what m-RNA attached ?
(A) Cell nucleus (B) Lysosome (C) Ribosome (D) Glycogen
To indicate one Amino acid if two-two nitrogen bases joined, then how many codes are obtain ?
(A) 8 (B) 16 (C) 24 (D) 32
To indicate one amino acid if more than one code is used, then what are the codes called ?
(A) Initiation codon (B) Nonsense codon (C) Degenerate codon (D) Termination codon
Tumor virus contain which as a genetic material ?
(A) DNA (B) RNA (C) Protein (D) Carbohydrate
In cytoplasm, differents amino acids are transported by what ?
(A) Virus (B) Bacteria (C) m-RNA (D) t-RNA
Chain is functioned as a polypeptide, after removal of which group ?
(A) Formyl group (B) Non-formyl group (C) Promoter gene (D) Enzymes
Which place is seen after the promoter ?
(A) Place of sign (B) Initiation place (C) Termination codon (D) Degenerate codon
When was the analysis of the working draft of the genome published ?
(A) February-2000 (B) February-2001 (C) February-2002 (D) February-2003
Which statement is true for HGP (Human Genome Project) ?
(A) To decide the base pairing for synthesizing DNA(B) RNA synthesis and protein synthesis
(C) The study of process of DNA replication (D) All of the above
// Page:2 //
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39.
40.
Join correct column.
(A) (a – Z); (b – Y); (c – W); (d – X) (B) (a – W); (b – Z); (c – X); (d – Y)
(C) (a – Y); (b – Z); (c – X); (d – W) (D) (a – Y); (b – W); (c – Z); (d – X)
Column - I Column - II
(a) Repressor protein (W) Having the codes for protein’s synthesis
(b) Structural gene (X) Controlling the transcription
(c) Promoter gene (Y) Switchin on/off the operator
(d) Operator gene (Z) It’s a segment of DNA
In which diagnostic method, intensive magnetic field is used ?
(A) Western blot (B) ELISA (C) MRI (D) CT scan
Why AIDS occur ?
(A) Destruction of helper T-lymphocytes (B) Destruction of killer T-cells
(C) Auto immunity (D) Decrease in interferon.
Who secretes interferons ?
(A) mitochondria (B) viral cell (C) bacteria (D) protozoa
Which disease does not occur due to smoking ?
(A) malaria (B) lung cancer (C) throat inflammation (D) blisters in stomach
Which substance present in tobacco stimulates adrenal gland ?
(A) codeine (B) morphin (C) nicotine (D) barbiturates
Which is known as the sleeping pill ?
(A) morphine (B) barbiturates (C) codeine (D) cocaine
Which substance is used to relieve stress in stomach and intestine ?
(A) codeine (B) cocain (C) LSD (D) morphin
In CT scan which rays are produced ?
(A) alfa rays (B) beta rays (C) gamma rays (D) X rays
Due to uncontrolled cell division in body which disease occurs ?
(A) AIDS (B) cancer (C) pneumonia (D) malaria
Where was NACO established ?
(A) USA (B) Brazil (C) India (D) Japan
With the help of which enzyme the viral RNA is duplicated in host cell
(A) Transcriptase (B) Reverse polymerase
(C) Polymerase (D) Reverse transcriptase
In which year AIDS was documented first time ?
(A) 1991 (B) 1971 (C) 1981 (D) 1961
In which year AIDS was documented in INDIA ?
(A) 1986 (B) 1981 (C) 1976 (D) 1971
How many peptide strands are there in every antibody molecule ?
(A) 5 (B) 4 (C) 2 (D) 3
Which vaccine is made from yeast by recombination of DNA technology ?
(A) hepatitis B vaccine (B) polio vaccine
(C) triplet vaccine (D) snake venom vaccine
Which protein protects against the viral infection to non infected cells ?
(A) Immunoglobin (B) Interferons (C) Myosine (D) Actin
In which disease blisters occur on the skin, nail and head of the body ?
(A) elephantiasis (B) pneumonia (C) malaria (D) ringworm
What is called the zygote formed due to fertilization of microgamete and megagamete ?
(A) gametocyte (B) haemozine (C) sporozoite (D) ookinate
In which disease liquid accumulates in alveoli and bronchiole tubes ?
(A) Typhoid (B) AIDS (C) Pneumonia (D) Malaria
// Page:3 //
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58.
59.
60.
In which disease liquid accumulates in alveoli and bronchiole tubes ?
(A) Typhoid (B) AIDS (C) Pneumonia (D) Malaria
Whose number increase during allergy ?
(A) IgA (B) IgE (C) IgG (D) IgM
The infectious phase of plasmodium means
(A) Sporozoite (B) Trophozoite (C) Merozoite (D) None
Due to uncontrollable cell division in the body which disease occurs ?
(A) AIDS (B) Cancer (C) Pneumonia (D) Malaria
Match the followings :
(A) (p - i) (q - ii) (r - iii)(s - iv) (B) (p - ii) (q - iii) (r - i) (s - iv)
(C) (p - iii) (q - iv) (r - i) (s - ii) (D) (p - iv) (q - iii) (r - ii) (s - i)
Column - I Column - II
(p) WB test (i) Antigen
Protein Polypetide
(q) MRI method (ii) Associated with
mucous
(r) MALT (iii) Non-ionic rays
(s) r-DNA technology (iv) AIDS
) Cells involved in immune mechanism are ..............
(A) erythrocytes (B) lymphocytes (C) eosinophils (D) thrombocytes
) Where are IgA, IgM and IgE antibodies found ?
(A) Skin (B) blood (C) lymph (D) glands
) S - Filarial worm is ovoviviparous.
R - The kid worms of filaria are known as microfilaria.
(A) S & R are True. (B) S & R are True. R is not the explanation of S.
(C) S is True & R is False. (D) S is False & R is True.
) Culex fatigon is a .............
(A) Worm (B) Virus (C) Mosquito (D) Bacteria
) LSD is prepared from
(A) Lichen (B) Algae (C) Fungus (D) Bacteria
) The unrestraint growth of specific tissues in the body result in non-infectious disease like .......
(A) AIDS (B) Pneumonia (C) Cancer (D) Typhoid
) Match the followings :
(A) (p - i) (q - ii) (r - iii) (s - iv) (B) (p - iii) (q - iv) (r - i) (s - ii)
(C) (p - iv) (q - iii) (r - ii) (s - i) (D) (p - iii) (q - i) (r - ii) (s - iv)
Column - I Column - II
(p) Physical barrier (i) Monocyte
(q) Physiological barrier (ii) Interferons
(r) Cellular barrier (iii) Mucous
membrane
(s) Cytokine barrier (iv) Acid in stomach
) Which parasite secrets digestive enzymes and breaks the haemoglobin ?
(A) Trophozoite (B) Sporozoite (C) Schizont (D) Merozoites
) Into which stage Schizont is converted by asexual reproduction ?
(A) Sporozoite (B) Merozoite (C) Trophozoite (D) Microzoite
) Marijuana is extracted from ...............
(A) Dried leaves and flowers of hemp plant (B) Ergot fungus
(C) Roots of hemp plant (D) Coca plant
// Page:4 //
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) When infected mosquito bites the host human, the larva enter his ............
(A) blood (B) saliva (C) skin (D) muscles
) Which part of opium after losing its medicinal property is used as food ?
(A) Leaves (B) Mature seeds (C) Immature seeds (D) Flowers
) During infection T-cells interact with ...............
(A) Macrophages (B) B-cells (C) Infected cells (D) Erythrocytes
) Which type of disease is caused by Plasmodium falciparum protozoan ?
(A) Pneumonia (B) Jaundice (C) Diarrhoea (D) Malaria
) Match the followings:
(A) (p - i) (q - ii) (r - iii) (s - iv) (t - v) (B) (p - v) (q - iv) (r - ii) (s - ii) (t - i)
(C) (p - v) (q - i) (r - ii) (s - iv) (t - iii) (D) (p - v) (q - ii) (r - iv) (s - i) (t - iii)
Column - I Column - II
(p) Trichophyton (i) Thickening of skin and
epithelial tissue
(q) Filarial worm (ii) Food of chicken guniya
(r) Aedes (iii) Food of parasites
(s) Haemophilus (iv) Burning sensation in
alveolar wall
(t) Globulin (v) Spreading of blisters due
to constant itching
) Which age duration of a person is known as adolescence ?
(A) 12-18 years (B) 12-17 years (C) 18-20 years (D) 12-16 years
// Page:5 //
75.
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80.
KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
Answer KeyMarks:80 Subject:12th-Bio
Chapter:6,8 12th biochap 6 and 8
Date:14/10/19
Time:3hour
Section [ A ] : 1 Mark MCQ
No Ans Chap Sec Que PageNo BookType
1 C Chap 6 F-A 1 Kumar
2 D Chap 6 F-A 2 Kumar
3 D Chap 6 F-A 3 Kumar
4 D Chap 6 F-A 7 Kumar
5 A Chap 6 F-A 8 Kumar
6 B Chap 6 F-A 9 Kumar
7 C Chap 6 F-A 10 Kumar
8 A Chap 6 F-A 11 Kumar
9 C Chap 6 F-A 12 Kumar
10 B Chap 6 F-A 13 Kumar
11 A Chap 6 F-A 14 Kumar
12 B Chap 6 F-A 17 Kumar
13 A Chap 6 F-A 18 Kumar
14 A Chap 6 F-A 20 Kumar
15 C Chap 6 F-A 21 Kumar
16 A Chap 6 F-A 22 Kumar
17 A Chap 6 F-A 23 Kumar
18 C Chap 6 F-A 24 Kumar
19 C Chap 6 F-A 25 Kumar
20 C Chap 6 F-A 26 Kumar
21 B Chap 6 F-A 27 Kumar
22 B Chap 6 F-A 28 Kumar
23 C Chap 6 F-A 30 Kumar
24 B Chap 6 F-A 31 Kumar
25 B Chap 6 F-A 32 Kumar
26 C Chap 6 F-A 33 Kumar
27 A Chap 6 F-A 34 Kumar
28 D Chap 6 F-A 35 Kumar
29 A Chap 6 F-A 36 Kumar
30 C Chap 6 F-A 38 Kumar
31 A Chap 6 F-A 40 Kumar
32 C Chap 6 F-A 46 Kumar
KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:2 //
33 B Chap 6 F-A 47 Kumar
34 C Chap 6 F-A 48 Kumar
35 B Chap 6 F-A 50 Kumar
36 D Chap 6 F-A 51 Kumar
37 A Chap 6 F-A 54 Kumar
38 B Chap 6 F-A 55 Kumar
39 B Chap 6 F-A 56 Kumar
40 A Chap 6 F-A 59 Kumar
41 D Chap 6 F-A 63 Kumar
42 C Chap 8 F-A 1 Kumar
43 A Chap 8 F-A 2 Kumar
44 B Chap 8 F-A 3 Kumar
45 A Chap 8 F-A 4 Kumar
46 C Chap 8 F-A 5 Kumar
47 B Chap 8 F-A 6 Kumar
48 A Chap 8 F-A 7 Kumar
49 C Chap 8 F-A 8 Kumar
50 B Chap 8 F-A 9 Kumar
51 C Chap 8 F-A 10 Kumar
52 D Chap 8 F-A 11 Kumar
53 C Chap 8 F-A 12 Kumar
54 A Chap 8 F-A 13 Kumar
55 B Chap 8 F-A 14 Kumar
56 A Chap 8 F-A 16 Kumar
57 B Chap 8 F-A 17 Kumar
58 D Chap 8 F-A 18 Kumar
59 D Chap 8 F-A 19 Kumar
60 C Chap 8 F-A 23 Kumar
61 C Chap 8 F-A 24 Kumar
62 A Chap 8 F-A 32 Kumar
63 B Chap 8 F-A 48 Kumar
64 D Chap 8 F-A 53 Kumar
65 B Chap 8 F-A 157 Kumar
66 B Chap 8 F-A 158 Kumar
67 D Chap 8 F-A 162 Kumar
68 C Chap 8 F-A 163 Kumar
69 C Chap 8 F-A 167 Kumar
KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:3 //
70 C Chap 8 F-A 168 Kumar
71 B Chap 8 F-A 177 Kumar
72 A Chap 8 F-A 178 Kumar
73 B Chap 8 F-A 180 Kumar
74 A Chap 8 F-A 181 Kumar
75 C Chap 8 F-A 185 Kumar
76 C Chap 8 F-A 187 Kumar
77 B Chap 8 F-A 188 Kumar
78 D Chap 8 F-A 190 Kumar
79 C Chap 8 F-A 193 Kumar
80 A Chap 8 F-A 194 Kumar
11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]
X
2 This is demo ans.
Name the scientist, who has worked on pneumococcus bacteria ?
(A) Neuton (B) Mendel (C) Griffith (D) Watson
Which species of pneumococcus bacteria found poisonous ?
(A) S-I (B) S-II (C) R-II (D) S-III
Which species of pneumococcus bacteria forms rough colonies ?
(A) S-II (B) R-I (C) S-III (D) R-II
In DNA which kind of bond’s found in co-valency ?
(A) Hydrogen bond (B) Peptide bond
(C) Phosphate bond (D) Phosphodiester bond
In DNA [A] + [G] = ............
(A) [T] + [C] (B) [T] – [C] (C) [T] ´ [C] (D) (A) and (C) both
Which ratio is changes with the diversity of organisms ?
(A)A + GT + C
(B)A + TG + C
(C)G + TC + A
(D)G + CA + T
Who is functioned very well as a messenger as well as transporter ?
(A) DNA (B) Nucleotide (C) RNA (D) All of the above
Which scientists has given the double helix structure of DNA ?
(A) Watson, Crick, Wilkinson (B) Ervin
(C) Avery, Macleod (D) Dr. Khorana and Mc Carty
By which enzyme the newly synthesized chain is formed in DNA ?
(A) DNA polymerase (B) Phosphodiesterase
(C) DNA polymerase-III (D) DNA-polymerase-II
When DNA polymerase-III is being activated ?
(A) When short chain of DNA is formed (B) When primer is formed
(C) At the time of lagging strand formed (D) At the time of nucleotides formed
Which enzyme is firstly attached in the initiation of transcription ?
(A) Transcriptase (B) Polymerase (C) Ligase (D) RNA polymerase
The processes of structural gene regulated by operator site is regulated by what ?
(A) Structural protein (B) Repressor protein (C) Promoter (D) Regulatory gene
Which protein is responsible for the switching on and off of operator ?
(A) Repressor protein (B) Regulatory protein (C) Structural protein (D) Promoter
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
Paper SolutionMarks:80 Subject:12th-Bio
Chapter:6,8 12th biochap 6 and 8
Date:14/10/19
Time:3hour
[A] [80]
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
Which protein is responsible for the switching on and off of operator ?
(A) Repressor protein (B) Regulatory protein (C) Structural protein (D) Promoter
The rate of synthesis of m-RNA is regulated by what ?
(A) Promoter gene (B) Regulatory gene (C) Operator gene (D) Structural gene
The process of translation to synthesize a protein is regulated by which gene ?
(A) Promoter gene (B) Regulatory gene (C) Operator gene (D) Repressor gene
Which genes function for negative regulation ?
(A) Regulatory (B) Repressor gene (C) Promoter (D) Structural gene
By what name the process of determination and collection of the sequence of nucleotides known ?
(A) Database (B) Gene mapping (C) HGP (D) Genomics
How many nucleotide base does a human genome contain ?
(A) 1 > billion (B) 2 > billion (C) 3 > billion (D) 3 > million
By the help of DNA fingerprinting from the blood stains on the cloths of Abraham Lincoln, his
which deficiency was discovered ?
(A) Turner syndrome (B) Kline felter’s syndrome
(C) Marfan’s syndrome (D) Malaria, typhoid
Which of the following is used for making a DNA fingerprint ?
(A) The things used by the person (B) Bones
(C) Various chemicals and medicines (D) Blood, semen, hair bulb.
In order to make a DNA fingerprint, which of the following enzyme are used to digest the DNA ?
(A) Maltase, lactase, sucrase (B) Restriction digestion, restriction endonuclease
(C) Peptidase - nucleopeptidase (D) Hexokinase - dehydrogenase
The principal genetic material of living being is .............
(A) RNA (B) DNA (C) Both (A) and (B) (D) None of above
Genetic code means ..........
(A) singlet code (B) doublet code (C) triplet code (D) none of the above
RNA is genetic material in ..........
(A) bacteria (B) plant viruses (C) fungi (D) none of the above
TMV contains a genetic material ..........
(A) DNA (B) RNA (C) DNA and RNA (D) chromosome
Duplication of DNA is called ..........
(A) transduction (B) translation (C) replication (D) chromosome
Gene is a ..........
(A) a segment of DNA (B) one nucleotide (C) DNA and RNA both (D) protein synthesis
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:2 //
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
In Operon model, regulator gene functions as
(A) repressor (B) regulator (C) Inhibitor (D) all of the above
Transfer of information from DNA to RNA is called ..........
(A) transcription (B) translation (C) transduction (D) migration
Gene controls
(A) heredity but not protein synthesis. (B) biochemical reaction of some enzymes.
(C) protein synthesis and heredity. (D) protein synthesis but not heredity.
Anticodon is associated with
(A) t-RNA (B) r-RNA (C) m-RNA (D) DNA
In cytoplasm after replacement of with what m-RNA attached ?
(A) Cell nucleus (B) Lysosome (C) Ribosome (D) Glycogen
To indicate one Amino acid if two-two nitrogen bases joined, then how many codes are obtain ?
(A) 8 (B) 16 (C) 24 (D) 32
To indicate one amino acid if more than one code is used, then what are the codes called ?
(A) Initiation codon (B) Nonsense codon (C) Degenerate codon (D) Termination codon
Tumor virus contain which as a genetic material ?
(A) DNA (B) RNA (C) Protein (D) Carbohydrate
In cytoplasm, differents amino acids are transported by what ?
(A) Virus (B) Bacteria (C) m-RNA (D) t-RNA
Chain is functioned as a polypeptide, after removal of which group ?
(A) Formyl group (B) Non-formyl group (C) Promoter gene (D) Enzymes
Which place is seen after the promoter ?
(A) Place of sign (B) Initiation place (C) Termination codon (D) Degenerate codon
When was the analysis of the working draft of the genome published ?
(A) February-2000 (B) February-2001 (C) February-2002 (D) February-2003
Which statement is true for HGP (Human Genome Project) ?
(A) To decide the base pairing for synthesizing DNA(B) RNA synthesis and protein synthesis
(C) The study of process of DNA replication (D) All of the above
Join correct column.
(A) (a – Z); (b – Y); (c – W); (d – X) (B) (a – W); (b – Z); (c – X); (d – Y)
(C) (a – Y); (b – Z); (c – X); (d – W) (D) (a – Y); (b – W); (c – Z); (d – X)
Column - I Column - II
(a) Repressor protein (W) Having the codes for protein’s synthesis
(b) Structural gene (X) Controlling the transcription
(c) Promoter gene (Y) Switchin on/off the operator
(d) Operator gene (Z) It’s a segment of DNA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:3 //
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
Join correct column.
(A) (a – Z); (b – Y); (c – W); (d – X) (B) (a – W); (b – Z); (c – X); (d – Y)
(C) (a – Y); (b – Z); (c – X); (d – W) (D) (a – Y); (b – W); (c – Z); (d – X)
Column - I Column - II
(a) Repressor protein (W) Having the codes for protein’s synthesis
(b) Structural gene (X) Controlling the transcription
(c) Promoter gene (Y) Switchin on/off the operator
(d) Operator gene (Z) It’s a segment of DNA
In which diagnostic method, intensive magnetic field is used ?
(A) Western blot (B) ELISA (C) MRI (D) CT scan
Why AIDS occur ?
(A) Destruction of helper T-lymphocytes (B) Destruction of killer T-cells
(C) Auto immunity (D) Decrease in interferon.
Who secretes interferons ?
(A) mitochondria (B) viral cell (C) bacteria (D) protozoa
Which disease does not occur due to smoking ?
(A) malaria (B) lung cancer (C) throat inflammation (D) blisters in stomach
Which substance present in tobacco stimulates adrenal gland ?
(A) codeine (B) morphin (C) nicotine (D) barbiturates
Which is known as the sleeping pill ?
(A) morphine (B) barbiturates (C) codeine (D) cocaine
Which substance is used to relieve stress in stomach and intestine ?
(A) codeine (B) cocain (C) LSD (D) morphin
In CT scan which rays are produced ?
(A) alfa rays (B) beta rays (C) gamma rays (D) X rays
Due to uncontrolled cell division in body which disease occurs ?
(A) AIDS (B) cancer (C) pneumonia (D) malaria
Where was NACO established ?
(A) USA (B) Brazil (C) India (D) Japan
With the help of which enzyme the viral RNA is duplicated in host cell
(A) Transcriptase (B) Reverse polymerase
(C) Polymerase (D) Reverse transcriptase
In which year AIDS was documented first time ?
(A) 1991 (B) 1971 (C) 1981 (D) 1961
In which year AIDS was documented in INDIA ?
(A) 1986 (B) 1981 (C) 1976 (D) 1971
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In which year AIDS was documented in INDIA ?
(A) 1986 (B) 1981 (C) 1976 (D) 1971
How many peptide strands are there in every antibody molecule ?
(A) 5 (B) 4 (C) 2 (D) 3
Which vaccine is made from yeast by recombination of DNA technology ?
(A) hepatitis B vaccine (B) polio vaccine
(C) triplet vaccine (D) snake venom vaccine
Which protein protects against the viral infection to non infected cells ?
(A) Immunoglobin (B) Interferons (C) Myosine (D) Actin
In which disease blisters occur on the skin, nail and head of the body ?
(A) elephantiasis (B) pneumonia (C) malaria (D) ringworm
What is called the zygote formed due to fertilization of microgamete and megagamete ?
(A) gametocyte (B) haemozine (C) sporozoite (D) ookinate
In which disease liquid accumulates in alveoli and bronchiole tubes ?
(A) Typhoid (B) AIDS (C) Pneumonia (D) Malaria
Whose number increase during allergy ?
(A) IgA (B) IgE (C) IgG (D) IgM
The infectious phase of plasmodium means
(A) Sporozoite (B) Trophozoite (C) Merozoite (D) None
Due to uncontrollable cell division in the body which disease occurs ?
(A) AIDS (B) Cancer (C) Pneumonia (D) Malaria
Match the followings :
(A) (p - i) (q - ii) (r - iii)(s - iv) (B) (p - ii) (q - iii) (r - i) (s - iv)
(C) (p - iii) (q - iv) (r - i) (s - ii) (D) (p - iv) (q - iii) (r - ii) (s - i)
Column - I Column - II
(p) WB test (i) Antigen
Protein Polypetide
(q) MRI method (ii) Associated with
mucous
(r) MALT (iii) Non-ionic rays
(s) r-DNA technology (iv) AIDS
) Cells involved in immune mechanism are ..............
(A) erythrocytes (B) lymphocytes (C) eosinophils (D) thrombocytes
) Where are IgA, IgM and IgE antibodies found ?
(A) Skin (B) blood (C) lymph (D) glands
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) S - Filarial worm is ovoviviparous.
R - The kid worms of filaria are known as microfilaria.
(A) S & R are True. (B) S & R are True. R is not the explanation of S.
(C) S is True & R is False. (D) S is False & R is True.
) Culex fatigon is a .............
(A) Worm (B) Virus (C) Mosquito (D) Bacteria
) LSD is prepared from
(A) Lichen (B) Algae (C) Fungus (D) Bacteria
) The unrestraint growth of specific tissues in the body result in non-infectious disease like .......
(A) AIDS (B) Pneumonia (C) Cancer (D) Typhoid
) Match the followings :
(A) (p - i) (q - ii) (r - iii) (s - iv) (B) (p - iii) (q - iv) (r - i) (s - ii)
(C) (p - iv) (q - iii) (r - ii) (s - i) (D) (p - iii) (q - i) (r - ii) (s - iv)
Column - I Column - II
(p) Physical barrier (i) Monocyte
(q) Physiological barrier (ii) Interferons
(r) Cellular barrier (iii) Mucous
membrane
(s) Cytokine barrier (iv) Acid in stomach
) Which parasite secrets digestive enzymes and breaks the haemoglobin ?
(A) Trophozoite (B) Sporozoite (C) Schizont (D) Merozoites
) Into which stage Schizont is converted by asexual reproduction ?
(A) Sporozoite (B) Merozoite (C) Trophozoite (D) Microzoite
) Marijuana is extracted from ...............
(A) Dried leaves and flowers of hemp plant (B) Ergot fungus
(C) Roots of hemp plant (D) Coca plant
) When infected mosquito bites the host human, the larva enter his ............
(A) blood (B) saliva (C) skin (D) muscles
) Which part of opium after losing its medicinal property is used as food ?
(A) Leaves (B) Mature seeds (C) Immature seeds (D) Flowers
) During infection T-cells interact with ...............
(A) Macrophages (B) B-cells (C) Infected cells (D) Erythrocytes
) Which type of disease is caused by Plasmodium falciparum protozoan ?
(A) Pneumonia (B) Jaundice (C) Diarrhoea (D) Malaria
) Match the followings:
(A) (p - i) (q - ii) (r - iii) (s - iv) (t - v) (B) (p - v) (q - iv) (r - ii) (s - ii) (t - i)
(C) (p - v) (q - i) (r - ii) (s - iv) (t - iii) (D) (p - v) (q - ii) (r - iv) (s - i) (t - iii)
Column - I Column - II
(p) Trichophyton (i) Thickening of skin and
epithelial tissue
(q) Filarial worm (ii) Food of chicken guniya
(r) Aedes (iii) Food of parasites
(s) Haemophilus (iv) Burning sensation in
alveolar wall
(t) Globulin (v) Spreading of blisters due
to constant itching
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) Match the followings:
(A) (p - i) (q - ii) (r - iii) (s - iv) (t - v) (B) (p - v) (q - iv) (r - ii) (s - ii) (t - i)
(C) (p - v) (q - i) (r - ii) (s - iv) (t - iii) (D) (p - v) (q - ii) (r - iv) (s - i) (t - iii)
Column - I Column - II
(p) Trichophyton (i) Thickening of skin and
epithelial tissue
(q) Filarial worm (ii) Food of chicken guniya
(r) Aedes (iii) Food of parasites
(s) Haemophilus (iv) Burning sensation in
alveolar wall
(t) Globulin (v) Spreading of blisters due
to constant itching
) Which age duration of a person is known as adolescence ?
(A) 12-18 years (B) 12-17 years (C) 18-20 years (D) 12-16 years
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