MCQ’S ON CLEAVAGE BIOLOGY
1. The fertilized egg divides by the process of
(a) Oogenesis
(b) Cleavage
(c) Regeneration
(d) Invagination
Answer: (b)
2. If an unfertilized egg is pricked with a microneedle, it will
(a) transform into a tadpole at a faster rate
(b) die immediately
(c) will remain undivided
(d) start dividing
Answer: (d)
3. A freshly unfertilized egg of hen contains
(a) 10,000 cells
(b) 1,000 cells
(c) 100 cells
(d) one cell
Answer: (d)
4. How many cleavages are completed in the 16-celled stage of an egg?
(a) 12
(b) 8
(c) 4
(d) 3
Answer: (c)
5. The spindle in the determinate cleavage is
(a) Horizontal
(b) Oblique
(c) Vertical
(d) Sub-equatorial
Answer: (b)
6. This is also known as meroblastic cleavage
(a) Partial
(b) Unequal holoblastic
(c) Equal holoblastic
(d) Superficial
Answer: (a)
7. The type of cleavage found in insects
(a) Holoblastic
(b) Discoidal
(c) Superficial
(d) Meroblastic
Answer: (c)
8. Discoidal and superficial are which types of cleavage?
(a) Unequal holoblastic
(b) equal holoblastic
(c) both (a) and (b)
(d) Meroblastic
Answer: (d)
9. If the first cleavage furrow divides zygote completely into two, the cleavage type is
(a) meroblastic
(b) holoblastic
(c) equatorial
(d) radial
Answer: (b)
10. The only human system that is derived from all the three germ layers is
(a) Nervous system
(b) Digestive system
(c) Respiratory system
(d) Excretory system
Answer: (b)
