Q1
mcq
The golden age of reptiles was :
- A. Paleozoic era
- B. Mesozoic era
- C. Proterozoic era
- D. Cenozoic era
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Q2
mcq
In embryo transfer technique, __________ celled blastomere is transferred into the uterus.
- A. more than 5
- B. more than 8
- C. less than 5
- D. less than 8
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Q3
mcq
Which of the following is the correct sequence of event with reference to the central dogma ?
- A. Duplication, Translation, Transcription
- B. Transcription, Translation, Replication
- C. Replication, Transcription, Translation
- D. Transcription, Replication, Translation
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Q4
mcq
The process which the sperm undergoes before penetrating the ovum is :
- A. Spermiogenesis
- B. Spermiation
- C. Capacitation
- D. Cortical reaction
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Q5
mcq
According to Alexander Von Humboldt, species - area relationship is $\log S = \log C + Z \log A$, where ‘Z’ is :
- A. Y-intercept
- B. Species richness
- C. Slope of the line
- D. Area
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Q6
mcq
Animals that can move from freshwater to seawater is called as :
- A. Catadromous
- B. Stenothermal
- C. Anadromous
- D. Eurythermal
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Q8
mcq
The mode of reproduction in bacteria is by :
- A. Conjugation
- B. Formation of gametes
- C. Zoospore formation
- D. Endospore formation
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Q9
mcq
XO type of sex determination and XY type of sex determination are examples of :
- A. Male heterogamety
- B. Female heterogamety
- C. Male homogamety
- D. Both (b) and (c)
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Q10
mcq
Who proposed the ‘Germplasm theory’ ?
- A. Lamarck
- B. Darwin
- C. Alfred Wallace
- D. August Weismann
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Q11
mcq
Which one of the following is used to lower blood cholesterol level ?
- A. Clot buster
- B. Cyclosporin A
- C. Statins
- D. Tetracycline
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Q12
mcq
Which one of the following method is not used in biomedical waste disposal ?
- A. Autoclaving
- B. Incineration
- C. Encapsulation
- D. Recycle and reuse
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Q13
mcq
Vaccines that use components of a pathogenic organism rather than the whole organism is called :
- A. DNA vaccines
- B. Subunit recombinant vaccines
- C. Conventional vaccines
- D. Attenuated recombinant vaccines
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Q14
mcq
The sporozoites of Plasmodium vivax are formed from :
- A. Oocysts
- B. Gametocytes
- C. Spores
- D. Sporoblasts
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Q15
mcq
What is the sex of Drosophila which possess 2A + XXY chromosomes ?
- A. Triploid female
- B. Diploid female
- C. Triploid intersex
- D. Diploid male
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Q18
short answer
2 marks
Name the hotspots found in India.
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Q19
short answer
2 marks
Write a note on Chorionic villus sampling.
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Q21
short answer
2 marks
Differentiate tubectomy from vasectomy.
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Q24
short answer
2 marks
Write the causative agent for the following diseases. (i)Cholera (ii)Common cold (iii)Chikungunya (iv)Bubonic plague
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Q26
short answer
3 marks
What is referred to as ‘industrial alcohol’ ? Add a note on its uses.
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Q27
short answer
3 marks
Draw a labelled sketch of a spermatozoan.
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Q28
short answer
3 marks
What are the three structural differences between RNA and DNA ?
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Q29
long answer
3 marks
What are stem cells ? Explain its role in the field of medicine.
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Q30
short answer
3 marks
Classify fertilization based upon the place of occurrence.
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Q31
short answer
3 marks
What are the applications of Karyotyping ?
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Q32
long answer
3 marks
Amniocentesis, the foetal sex determination test, is banned in our country. Is it necessary ? Comment.
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Q33
long answer
3 marks
How do people acclimatize to higher altitudes within a few days ?
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Q34
long answer
5 marks
(a)Describe the structure of the human ovum with a neat labelled diagram. OR (b)What is the technique which is used in the identification of criminals ? Give its other applications.
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Q35
long answer
5 marks
(a)Mention the main objections to Darwinism. OR (b)List out the various causes for biodiversity losses.
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Q36
long answer
5 marks
(a)(i)Write the scientific name of the filarial worm that causes filariasis. (ii)Write the symptoms of filariasis. (iii)How is this disease transmitted ? OR (b)What are pollutants ? Classify them.
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Q37
long answer
5 marks
(a)Write the salient features of human genome project. OR (b)Tabulate and analyse the two species population interaction.
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Q38
long answer
5 marks
(a)Describe the structure of the lymph node with a diagram. OR (b)Explain how recombinant Insulin can be produced ?
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Q40
long answer
(a)Describe the structure of the human ovum with a neat labelled diagram.
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Q41
long answer
(b)What is the technique which is used in the identification of criminals ? Give its other applications.
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Q42
long answer
(a)Mention the main objections to Darwinism.
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Q43
long answer
(b)List out the various causes for biodiversity losses.
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Q44
long answer
Write the scientific name of the filarial worm that causes filariasis.
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Q48
long answer
(a)Write the salient features of human genome project.
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Q49
long answer
(b)Tabulate and analyse the two species population interaction.
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Q50
long answer
(a)Describe the structure of the lymph node with a diagram.
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Q51
long answer
(b)Explain how recombinant Insulin can be produced ?
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Q52
short answer
Write the causative agent for the following diseases: Cholera
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