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Biology 12 Chapter 21
Development and Aging - 1
1.
Which is the period of extensive growth in size and mass as well as differentiation?
a) Growth
b) Reproduction
c) Aging
d) Development
2.
In which process organ systems form?
a) Digestion
b) Development
c) Reproduction
d) Growth
3.
Which systems develop in developmental period?
a) All of them
b) Reproductive
c) Digestive
d) Nervous
4.
What involves positive changes leading organism from zygote to adult form?
a) Growth
b) Aging
c) Development
d) Reproduction
5.
What involves negative changes in life cycle of organism?
a) Development
b) Reproduction
c) Aging
d) Growth
6.
Embryonic development begins with a series of ……………divisions?
a) Binary
b) Unequal
c) Meiotic
d) Mitotic
7.
Embryonic development begins with a series of mitotic divisions in ……………….?
a) Egg
b) Zygote
c) Embryo
d) Foetus
8.
What is the multicellular zygote called?
a) Ovum
b) Egg
c) Embryo
d) Foetus
9.
Embryology is the study of organism at …………… stage?
a) Adult
b) Zygote
c) Embryo
d) Foetus
10.
What are the stages of embryonic development?
a) Cleavage> gastrulation> organogenesis> growth
b) Organogenesis> cleavage> gastrulation> growth
c) Gastrulation> cleavage> organogenesis> growth
d) Cleavage> growth> gastrulation> organogenesis
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