8
Biology
How Do Organisms Reproduce?
368+ practice questions available
Sample Practice Questions
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1
Easy
After pollination, the pollen grain germinates on the stigma and grows a:
ARoot
BPollen tube that grows down through the style to reach the ovule
CNew flower
DStem
2
Medium
Regeneration is NOT considered a true mode of reproduction in complex organisms because:
AIt happens too slowly
BComplex organisms cannot regenerate at all
CIt is a response to injury — the organism does not deliberately fragment to reproduce
DIt requires two parents
3
Hard
IUCD (Intra-Uterine Contraceptive Device) like Copper-T is placed inside the uterus by a trained doctor. It prevents pregnancy for several years. One potential risk is:
AIt can cause weight gain
BInfection if not properly sterilised or if the woman develops pelvic inflammatory disease
CIt prevents menstruation completely
DIt causes permanent infertility
4
Easy
The process where an organism breaks into pieces and each piece grows into a new individual is ________.
AFission
BFragmentation
CBudding
DRegeneration
5
Easy
In Hydra, a bud develops as an outgrowth due to repeated cell division at one specific site. This mode of reproduction is:
ARegeneration
BBudding
CFragmentation
DVegetative propagation
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