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Some examples from this set of practice questions
1.
Endosperm development precedes embryo development.Why?
Answer: PEC divides to form endosperm tissue-filled with reserve food material,nutrition of the developing embryo.
2.
What are advantages of seeds to angiosperms?
Answer: Pollination and fertilisation are independent of water-seed formation is more dependable ,better strategies for dispersal to new habitats ,hard seed coat provides protection to embryo
3.
Name different phases of oogenesis with schematic representation.
Answer: Oogonia-primary oocyte, primary-->secondary-->tertiary graafian follicles-->secondary oocyte-->ovum
4.
list one drawback of surgical methods of birth control.
Answer: Poor reversibility
5.
Which period of pregnancy is safer for MTP?
Answer: First trimester.
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