List of top Biology Questions

Which one of the following is not a biofertilizer?

Which one is used in the production of insulin by genetic engineering?

Which one of the following is not a plastid?

The yellow colour of urine is caused by

The opening of auricles and ventricle on the right side is guarded by

The nerve fibre in its resting stage is

The cellular respiration first takes place in the

Sweet potato and potato are examples of

Rabies is caused by

The Leydig cells secrete

Incomplete dominance is shown by

In a DNA molecule, the adenine is $15\%$. What will be the percentage of guanine in this DNA?

Fungi are classified on the basis of

Eutrophication is the result of

The stage during which, cell decides to get specialized

Subunits of $80S$ ribosome are

Opening of stomaia is not affected by

Which of the following event occurs during $G_{1}$ -phase?

In which of the following wavelength, photosystem-$I$ is inactive?

Law of limiting factor of photosynthesis was proposed by

Competition of species leads to

Plants purify air by which process?

One of the characteristic of sieve tube is

From which of the following, photosyntheric autotrophs receive their energy?

A substance that induces dormancy of seed is