List of top Biology Questions

When $CO_2$ concentration in blood increases breathing becomes

ELISA is used to detect viruses where the key reagent is

Certain characteristic demographic features of developing countries are

Cancer cells are more easily damaged by radiation than normal cells because they are -

During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG, then the nucleotide sequence in the mRNA would be

The most thoroughly studied of the known bacteria-plant interactions is the

A major component of gober gas is

ATPase enzyme needed for muscle contraction is located in -

Duodenum has characteristic Brunner's gland which secrete two hormones called

In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive

A self-fertilizing trihybrid plant forms :-

In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt,

Which one of the following is living fossil

Bacterial photosynthesis involves ............

Balbiani rings are found in__________

Bamboo and grasses elongate by the activity of......

A four chambered heart is not found in________

Gynaecomastia is the symptom of .............

The example of trimerous, unisexual flowers is

In the diagram of section of Graafian follicle, different parts are indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts they indicate.

The term ecology was coined by $\ldots\ldots\ldots$

Node of Ranvier is found in

The lacteals are found in ..........

Coarcervates were experimentally produced by

Which of the following is a mechanical barrier used in birth control ?