Q1
mcq
Radioactive wastes can be disposed off by __________.
- A. composting
- B. burning
- C. surface impoundments
- D. a deep geological repository
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Q2
mcq
In which mode of Reproduction variation are seen ?
- A. Asexual
- B. Parthenogenesis
- C. Sexual
- D. Both (a) and (b)
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Q3
mcq
Which one of the following are at high risk extinction due to habitat destruction ?
- A. Amphibians
- B. Mammals
- C. Echinoderms
- D. Birds
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Q4
mcq
When a Drosophila body cells contain 3 sets of autosomes and 2 X chromosomes, what will be the sex of the fly ?
- A. metamale
- B. male
- C. intersex
- D. female
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Q5
mcq
The total number of nitrogenous in human genome is estimated to be about __________.
- A. 35 million
- B. 3.5 million
- C. 3.1 billion
- D. 35,000
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Q6
mcq
A contraceptive pill prevents ovulation by :
- A. stimulating release of FSH and LH
- B. blocking fallopian tube
- C. causing immediate degeneration of released ovum
- D. inhibiting release of FSH and LH
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Q7
mcq
Organisms which can survive a wide range of temperature are called __________.
- A. Endotherms
- B. Ectotherms
- C. Stenotherms
- D. Eurytherms
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Q8
mcq
B - lymphocytes are activated by :
- A. Interferon
- B. Antibiotics
- C. Antigen
- D. Antibody
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Q9
mcq
The most common substrate used in distilleries for the production of ethanol is :
- A. Molasses
- B. Soyameal
- C. Corn meal
- D. Groundgram
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Q10
mcq
Which is the correct order of action ?
- A. FSH → LH → Inhibin → Spermatogenesis
- B. LH → Leydig cells → Testosterone → Spermatogenesis
- C. TSH → FSH → Sertoli cells → Spermatogenesis
- D. LTH → Sertoli cells → Androgen → Spermatogenesis
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Q11
mcq
A population will not exist in Hardy Weinberg equilibrium, if :
- A. There is no migration
- B. Individuals mate selectively
- C. The population is large
- D. There are no mutations
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Q12
mcq
ABO blood group in man is controlled by :
- A. Sex-linked genes
- B. Multiple alleles
- C. Y-linked genes
- D. Lethal genes
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Q13
mcq
Haemozoin is :
- A. A toxin from plasmodium species
- B. A precursor of haemoglobin
- C. A toxin from haemophilus species
- D. A toxin from streptococcus
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Q14
mcq
Which one of the following is a suitable adaptation to overcome food and water scarcity ?
- A. A short reproductive period
- B. Winter sleep
- C. Migration
- D. Summer sleep
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Q15
mcq
The purpose of biological treatment of waste water is to __________.
- A. Reduce sedimentation
- B. Reduce BOD
- C. Increase sedimentation
- D. Increase BOD
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Q20
short answer
List out major gases seems to be found in the Primitive earth.
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Q21
short answer
How does the trophozoite of Amoebiasis reach the final destination in our body ?
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Q24
short answer
Corona Virus is a RNA virus. Basically PCR technique is used for detecting DNA. If so, how PCR technique is used for diagnosing Corona Virus ?
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Q26
short answer
How will you prevent erythroblastosis foetalis ?
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Q27
short answer
Is vaccine available against malaria ? Give reason for your answer.
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Q28
short answer
Draw the diagram of immunoglobulin molecule and label the parts.
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Q30
short answer
Differentiate Eurytherms and Stenotherms.
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Q31
long answer
Explain the three indices of species diversity.
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Q33
short answer
Write the differences between multipotency and oligopotency.
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Q34
long answer
5 marks
(a)Describe the structure of the human uterus with a neat labelled diagram. OR (b)What are the strategies to be implemented in India to attain total reproductive health ?
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Q35
long answer
5 marks
(a)Explain the role of translation components in protein synthesis. OR (b)List out the salient features of Genetic Code.
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Q36
long answer
5 marks
(a)How does Hardy-Weinberg’s expression ($p^2 + 2pq + q^2 = 1$) explain that genetic equilibrium is maintained in a population ? List any four factors that can disturb the genetic equilibrium. OR (b)Explain any five bacterial disease.
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Q37
long answer
5 marks
(a)Explain how innate immunity protects our body against diseases. OR (b)Explain the process of PCR technique.
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Q38
long answer
5 marks
(a)List out the essential properties of water. OR (b)How can we manage medical wastes and E-Waste ?
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Q39
long answer
5 marks
Describe the structure of the human uterus with a neat labelled diagram.
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Q40
long answer
5 marks
What are the strategies to be implemented in India to attain total reproductive health?
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Q41
long answer
5 marks
Explain the role of translation components in protein synthesis.
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Q42
long answer
5 marks
List out the salient features of Genetic Code.
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Q43
long answer
5 marks
Explain any five bacterial disease.
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Q44
long answer
5 marks
Explain how innate immunity protects our body against diseases.
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Q45
long answer
5 marks
Explain the process of PCR technique.
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Q46
long answer
5 marks
List out the essential properties of water.
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Q47
long answer
5 marks
How can we manage medical wastes and E-Waste?
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