List of top Biology Questions

In Hydra, waste material of food digestion and nitrogenous waste material are removed respectively from

Mutations are caused due to:

Biologically most resistant plant material is:

2n-1 condition is:

Gossypium hirsutum is:

A material which arrests cell division is obtained from:

Oxysomes are located inside:

Reason of diversity in living being is

Which of the following less general in characters as compared to genus

Passive absorption of minerals depends on

Which pigment system is inactivated in red drop?

Which cells do not form layer and remains structurally seperate

Cytochrome is

Adhesive pad of fungi penetrate the host with the help of

A mutant strain of T4 – Bacteriophage, R-II, fails to lyse the E-Coli but when two strains RIIX and R-IIY are mixed then they lyse th E.Coli. What may be the possible reason

Plant decomposers are

Adventive embryony in Citrus is due to

Extranuclear chromosomes occur in

What is the best pH of the soil for cultivation of plants : -

Which of the following is the pair of biofertilizers

Reason of diversity in living being

E. Coli about to replicate was placed in a medium containing radio active thymidine for five minutes. Then it was made to replicate in a normal medium. Which of the following observation shall be correct

Loading of phloem is related to

During regeneration, modification of an organ to other organ is known as

In Negative operon