Q1
mcq
1 mark
Colostrum is rich in :
- A. Ig D
- B. Ig E
- C. Ig M
- D. Ig A
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Q2
mcq
1 mark
Without altering water quality, __________ is/are an ideal disinfectant used in waste water treatment.
- A. Boiling
- B. U-V rays
- C. Ozonisation
- D. Chlorination
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Q3
mcq
1 mark
The ovary remains attached with pelvic wall and the uterus by an ovarian ligament, called :
- A. myometrium
- B. ovarian stroma
- C. mesovarium
- D. tunica albuginea
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Q4
mcq
1 mark
B cells are activated by :
- A. Interferon
- B. Complement
- C. Antigen
- D. Antibody
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Q5
mcq
1 mark
A mRNA molecule is produced by :
- A. Duplication
- B. Replication
- C. Translation
- D. Transcription
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Q6
mcq
1 mark
The average foetal heart beat rate is :
- A. 120 - 160 beats/minute
- B. 120 - 130 beats/minute
- C. 130 - 150 beats/minute
- D. 130 - 160 beats/minute
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Q7
mcq
1 mark
The wings of birds and butterflies is an example of :
- A. Divergent evolution
- B. Variation
- C. Convergent evolution
- D. Adaptive radiation
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Q8
mcq
1 mark
Modern man belongs to which period ?
- A. Quaternary
- B. Cambrian
- C. Cretaceous
- D. Silurian
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Q9
mcq
1 mark
The most common substrate used in distilleries for the production of ethanol :
- A. Molasses
- B. Soyameal
- C. Cornmeal
- D. Groundgram
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Q10
mcq
1 mark
GEAC stands for :
- A. Genetic Engineering Approval Committee
- B. Genome Engineering Action Committee
- C. Genetic and Environment Approval Committee
- D. Ground Environment Action Committee
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Q11
mcq
1 mark
Match the pathogens with respective diseases caused by them and select the correct match using the codes given below : (A)Leishmania donavani (i)Amoebiasis (B)Wuchereria bancrofti (ii)Kala-azar (C)Trypanosoma gambiense (iii)Sleeping sickness (D)Entamoeba histolytica (iv)Filariasis
- A. (A)-(iii), (B)-(i), (C)-(ii), (D)-(iv)
- B. (A)-(ii), (B)-(iv), (C)-(iii), (D)-(i)
- C. (A)-(i), (B)-(iv), (C)-(iii), (D)-(ii)
- D. (A)-(ii), (B)-(iv), (C)-(i), (D)-(iii)
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Q12
mcq
1 mark
Which of the following is an r-species ?
- A. rhinoceros
- B. human
- C. whale
- D. insects
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Q13
mcq
1 mark
ABO blood group in man is controlled by :
- A. Sex linked genes
- B. Multiple alleles
- C. Holandric genes
- D. Lethal genes
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Q14
mcq
1 mark
The organization which collects, compiles and publishes the red list of threatened species :
- A. IUCN
- B. WWF
- C. UNEP
- D. ZSI
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Q15
mcq
In which mode of reproduction variations are seen ?
- A. Sexual
- B. Asexual
- C. Parthenogenesis
- D. Both (a) and (b)
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Q16
short answer
Differentiate between external and internal fertilizations.
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Q20
short answer
Give reasons : Genetic code is universal.
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Q22
short answer
What are the three levels of biodiversity ?
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Q24
long answer
How will you get desired traits in animals by using modern biotechnology ? Give examples.
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Q25
short answer
What is parthenogenesis ? What are its types ?
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Q26
short answer
Mention the differences between spermiogenesis and spermatogenesis.
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Q27
short answer
What is amniocentesis ? Why do a statutory ban is imposed on this technique ?
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Q28
short answer
Who disproved Lamarck’s theory of Acquired characters ? How ?
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Q29
short answer
Why is opsonisation efficient in phagocytosis ?
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Q30
short answer
List the advantages of biogas plants in rural areas.
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Q32
short answer
Write the common withdrawal symptoms of drugs and alcohol abuse.
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Q34
long answer
Explain the different kinds of syngamy in living organisms.
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Q35
long answer
Write the differences between active and passive immunity.
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Q36
long answer
Explain the applications of DNA fingerprinting techniques.
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Q38
long answer
What are the various essential properties of water ?
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Q41
long answer
Explain how recombinant insulin can be produced.
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Q42
long answer
Explain the methods of disposal of radioactive wastes.
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Q43
long answer
List out the various causes for biodiversity losses.
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