Question
: 1. Yellow fever is spread by 

Answer : C. Housefly

Question
: 2. Rh factor is present in 

Answer : A.
Blood

Question
: 3. Thymosin stimulates 

Answer : A.
T-Lymphocytes

Question
: 4. The structure of double helix of DNA was described by 

Answer : B.
Watson and Crick

Question
: 5.Which among the following helps in circulation of blood? 

Answer : A.
Lymphocytes

Question
: 6________ pairs of spinal nerves are present in the human body 

Answer : B.
31

Question
: 7. ________cause malaria and sleeping sickness 

Answer : C. Protozoans

Question
: 8. Which of the following molecules can be detected by ELISA 

Answer : D.
All of the above

Question
: 9. In scorpion, poison is present in the 

Answer : C.
Sting

Question
: 10. The PCR technique was developed by ? 

Answer : C. Kary
Mullis

Question
: 11. Hybridoma technology was developed by 

Answer : C.
Kohler and Milstein

Question
: 12. Skeleton of sponges is produced by 

Answer : A.
Sclerocytes

Question
: 13. Night blindness is caused due to deficiency of 

Answer : A. Vitamin
A

Question
: 14. The phenomenon of summer sleep by animals is called 

Answer : B.
Aestivation

Question
: 15. A branch of science dealing with the study of teeth is 

Answer : B.
Odontology

Question
: 16. Tissues found in our body are derived from: 

Answer : D.
All of these

Question
: 17. The science related to the study of the composition of tissues is
called 

Answer : C.
Histology

Question
: 18. Mammillary bodies are attached to the ventral side of 

Answer : C.
Diencephalon

Question
: 19. In Honeybee colony the drones are produced by 

Answer : B. Unfertilized eggs

Question
: 20. The correct order of steps in PCR is 

Answer : A.
Denaturing, Annealing, and Extension

Question
: 21. pBR322 has/have which of the following selection marker(s) 

Answer : C.
Both A & B

Question
: 22. Protoplasts are the cells devoid of 

Answer : B. Cell wall

Question
: 23. Chemical energy is supplied to eukaryotic cells by 

Answer : C.
Mitochondria and Chloroplasts

Question
: 24. Penicillin is produced by 

Answer : A.
Aerobic fermentation

Question
: 25. Sake is 

Answer : D.
Rice beer or Wine of Japan