Options:
- A. Endonuclease
- B. Exonuclease
- C. S 1 nuclease
- D. Deoxyribonuclease
View Answer
B. Exonuclease
Biology
Which one of the following toxic metals is extensively present in newspaper?
Options:
- A. Mg
- B. Cd
- C. Pb
- D. Hg
View Answer
C. Pb
The hepatic portal vein drains blood to liver from___________?
Options:
- A. Intestine
- B. Stomach
- C. Kidney
- D. Heart
View Answer
A. Intestine
Among the following which one is a diploblastic organism?
Options:
- A. Hydra
- B. Crabs
- C. Squids
- D. Earthworm
View Answer
A. Hydra
Which one of the following animal has two separate circulatory pathways?
Options:
- A. Shark
- B. Whale
- C. Frog
- D. Lizard
View Answer
B. Whale
New alleles can be introduced into a population
Options:
- A. Mutation
- B. Natural selection
- C. Gene flow
- D. Both A & C
View Answer
D. Both A & C
Serum differs from blood in________?
Options:
- A. Lacking globulins
- B. Lacking albumins
- C. Lacking clotting factors
- D. Lacking antibodies
View Answer
C. Lacking clotting factors
The number of alveoli in human lungs is estimated to be around:_________?
Options:
- A. 150 millions
- B. 500 millions
- C. 800 millions
- D. 1 billion
View Answer
B. 500 millions
Smooth muscles, cardiac muscles and glands are regulated by:
Options:
- A. Central nervous system
- B. Parasympathetic nervous system
- C. Sympathetic nervous syetem
- D. Autonomous nervous system
View Answer
D. Autonomous nervous system
Kranz anatomy is a characteristic feature of_________?
Options:
- A. C4 plants
- B. C3 plants
- C. C2 plants
- D. CAM plants
View Answer
A. C4 plants