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class 10 biology
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Answers
1.Multiple fusion
2.pollination
3.Heredity
4.A genotypic ratio of f2 generation in a monohybrid cross is 1:2:1
5.A child who inherits Y-chromosome from father is girl.
6.(a) metqmorphosis:
Metamorphosis is a Greek word which means transformation or change in shape
(b)parthenogenesis:
parthenogenesis is a form of reproduction in which a egg develop into an embryo without being fertilized by a sperm.
(c)speciation:
speciation is known as evolutionary process by which a new specie comes into being.
(d)Cloning:
Cloning is a process of generating a genetically identical copy of a cell or organism.Cloning happens all the time in nature.
7.(a)Epigeal germination:In this type of germination the hypocotyl elongates shortly and arches upwards grabbing the cotyledons which stride above the soil.
(b)Hypogeal germination:In this kind of germination the epicotyl elongates and the cotyledons continues on the dirt.