MCQs – Growth and Development

1. Animals begin their lives with a single diploid cell called ________.

• Zygote
• Somatic cell
• Germ cell
• None

2. The process of ova and sperm formation is called ________.

• Reproduction
• Fertilization
• Cleavage
• Gamete Formation

3. The fusion of sperm and ova is called ________.

• Reproduction
• Fertilization
• Cleavage
• Gamete formation

4. The series of mitotic divisions is called ________.

• Reproduction
• Fertilization
• Cleavage
• Gamete formation

5. The migration and rearrangement of cells to produce 3 germinal layers is called ________.

• Gastrulation
• Organogenesis
• Growth
• None

6. Increase in the size of organs to attain maturity is called ________.

• Gastrulation
• Organogenesis
• Growth
• None

7. Sub-population of cells are sculpted into specialized organs and tissues, the process is called ________.

• Gastrulation
• Organogenesis
• Growth
• None

8. The steps involved in the development are ________ and occur in a sequence.

• Reversible
• Irreversible
• Both A and B
• None

9. The egg of hen is ________ type.

• Monolecithal
• Dilecithal
• Polyecithal
• None

10. The diameter of hen’s egg is about ________ cm.

• 1
• 2
• 3
• 4

11. The protoplasm is restricted to a very small are called ________.

• Blastopore
• Blastocyte
• Blastulla
• Blastodisc

12. In hen the fertilization is ________.

• Internal
• External
• Any
• None

13. The process of keeping the fertilization egg in temperature up to 36-38C is called ________.

• Heating
• Hatching
• Incubation
• All

14. In birds, reptiles and fishes ________ type of cleavage occurs.

• Mesoblastic
• Meroblastic
• Discoidal
• Both B and C

15. As a consequence of cleavage a mulberry like structure is formed having many blastomeres is called ________

• Blastula
• Morulla
• Gastrulla
• None

16. After morulla ________ is formed having blastocoel.

• Blastula
• Morulla
• Gastrulla
• None

17. The egg is laid almost in ________ stage.

• Blastula
• Morulla
• Gastrulla
• None

18. Some cells of hypoblast of pellucida migrate downward and form ________ layer.

• Ectoderm
• Mesoderm
• Endoderm
• None

19. The continuous movement of cells of epiblast results in ________ layer formation.

• Ectoderm
• Mesoderm
• Endoderm
• None

20. The rest of the cells of epiblast after forming mesoderm form ________ layer.

• Ectoderm
• Mesoderm
• Endoderm
• None

21. The fate of ectoderm is ________.

• Epidermis
• Nervous System
• Sensory organs
• All of the above

22. Mesoderm later forms ________ skeleton, heart, Kidneys etc.

• All body muscles
• Liver
• Lungs
• None

23. Endoderm later forms ________ liver, lungs and parts alimentary canal.

• Brain
• Muscles
• Glands
• Genital organs

24. The process of progressive deterioration in the morphology and physiology of cells is called ________.

• Regeneration
• Aging
• Abnormal development
• None

25. ________ cause suppresion of cardiac output kidney / neutrons etc.

• Regeneration
• Aging
• Abnormal development
• None

26. The process of replacement or repair of also part is called ________.

• Regeneration
• Aging
• Abnormal development
• None

27. Development of an organism by abnormal means due to some genetics or chromosomal changes is called ________.

• Regeneration
• Aging
• Abnormal development
• None

28. ________ is the study of aging.

• Micrology
• Gerontology
• Geology
• None

29. Abnormal development is cause by mutation and ________.

• Trauma
• linalfunctioning of glands
• Viruses
• All of the above

30. Microcephaly, cleft palate and Down’s syndrome is an example to ________.

• Regeneration
• Aging
• Abnormal Development
• None