CHAPTER – 5
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
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