Human Reproduction — BIOLOGY STD 12 Science — Question

List the differences between Turner's syndrome and Klinefelter's syndrome.

Mention any four possible ill-effects of contraceptives.

Evolution is not a direct process, but a stochastic process, based on chance event(s) in nature. Justify.

What is cryopreservation? Give it's one use.

For a layman, both apples and mangoes are 'fruits'. Do you agree? Give reasons in support of your answer.

List five growth conditions that a bioreactor should provide for obtaining the desired product?

Differentiate between:

1. Hypocotyl and coleoptile.
2. Protandry and protogyny.

Fill in the following labels with the type of cell function.

When a foreign DNA is introduced into an organism, how is it maintained in the host and how is it transferred to the progeny of the organism?

Why do some plants have both chasmogamous and cleistogamous flowers?