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2.Human Reproduction
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Extra embryonic membrane amnion is not found in amphibians because
A
They lay eggs in water
B
Egg hatches in tadpole
C
Amphibious habit
D
They have smooth skin
Solution
(a)Amnion provide protection against shock and desiccation which is already provided by water in frogs, hence amnion is absent in it.
Standard 12
Biology
Similar Questions
Match the columns.
| Column $I$ | Column $II$ |
| $(a)$ Testis andovary | $(1)$ Part of reproductive organ that transport germ cells |
| $(b)$ Clitoris |
$(2)$ Developing fleshy fold surrounding both side of urinegenital groove – urethra |
| $(c)$ Oviduct | $(3)$ Gametes which produce germ cells |
| $(d)$ Scrotum,labium | $(4)$ Organs associated majora with sexual respons |
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