STD 12 - 2. human reproduction — BIOLOGY STD 12 Science — Question

In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf-life. The large variation is on account of

The zooplanktonic forms are

Use of spermicidal creams, jellies and foams along with diaphragms, cervical caps and vaults leads to

Which parks of Meghalaya is the last refuge of many rare and endangered plants.

Competition for light, nutrients and space is most severe between

What disease does the DNA fragment (T-DNA) of Agrobacterium tumefaciens cause in normal plant cells?

In India, human population is heavily weighed towards the younger age groups as a result of

Significance of heat shock method in bacterial transformation is to facilitate

Ovum is

Which enzyme / enzymes are responsible for transformation of lactose to galactos in the E.coli culture medium.