List of top Biology Questions

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing micro-organism?

The finches of Galapagos Islands provide an evidence in favour of

Growth rings are formed due to activity of

Black rust of wheat is caused by

During transcription, $RNA$ polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure. What is it's $DNA$-binding sequence ?

Feeling the tremors of an earthquake, a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action ?

A sequential expression of a set of human genes occurs when a steroid molecule binds to the:-

Bowman's glands are located in the

Which one of the following is a matching pair of a body feature and the animal possessing it?

Ergot of rye is caused by a species of

Biological organisation starts with

Select the correct statement from the following:

Adaptive radiation refers to

Which one is formed by ossification of tendon ?

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in $F_1$ generation ?

In the hexaploid wheat, the haploid $(n)$ and basic $(X)$ numbers of chromosomes are

Which part of ovary in mammals acts as an endocrine gland after ovulation?

Inheriatance of skin colour in human is an example of

Archaeopteryx is connecting link between

Edaphology is

The lateral roots originate from

The largest RBC's have been seen in

The net gain of ATP during glycolysis is

The characteristic of an essential element is that it

The tumor inducing capacity of Agrobacterium - tumaefaciens is located in large extra chromosomal plasmids called