Biology MCQ Question and Answer
Biology MCQ Question and Answer
42. Littoral form of animals is found—
- In fresh water
- In sea water near the shore
- In deep sea
- At the bottom of the sea
44. Which of the following secretions associated with digestion does not have enzymes ?
- Bile
- Gastric juice
- Saliva
- Pancreatic juice
46. The covering membrane of the vacuole is known as—
- Tonoplast
- Cell wall
- Plasma layer
- None of these
48. ‘Quartan malaria’ is caused by—
- Plasmodium vivax
- Plasmodium malariae
- Plasmodium ovale
- Plasmodium falciparum
50. An embryo of chick with 7 pairs of somites is—
- 20 hours old
- 22 hours old
- 24 hours old
- 18 hours old