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

A characteristic which enables an organism to live in an environment is called

Which bacteria is more useful for gene cloning in higher plants?

When carpel is attached together with Gynoecium it is called as :

Stalk with which ovules remain attached to placenta is called

If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?

In a DNA strand the nucleotides are linked together by:

The concept that population tends to increase geometrically while food supply increases arithmetically was put forward by.

Which of the following is a secondary lymphoid organ?

Among the following, where do you think the process of decomposition would be the fastest?