STD 12 - 7. human health and disease — BIOLOGY STD 12 Science — Question

Assertion : The genetic complement of an organism is called genotype.

Reason : Genotype is the type of hereditary properties of an organism.

With regard to ecological food chain, man is a

Biogeochemical cycle of which element has atmospheric phase?

The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called

Use of living organisms or their substances in industrial processes is called

Which one of the following lacks active site of RNA polymerase?

In plasmodium we found

If a person is suffering from severe male infertility due to very few sperms (oligozoospermia) or even no live sperms (azoospermia) in the ejaculate, it can be overcome by ________. This should offer couples an alternative to using donor sperm

Which of the following can be considered as cause for infertility in males?

Which is the only feature of chromosomes other then gene?