List of top Biology Questions

Which of the following are a group of micronutrients for plants?

Which is the longest phase of the cell cycle?

Which antibiotic has bactericidal effect?

Vernalisation is subjected to plants growing in

Tubectomy is a method of sterilization in which

Transfer of pollen grains from the anther to the stigma of another flower of the different plant is known as

To produce one molecule of glucose Calvin cycle turns

The sound producing organ of bird is called as

The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as

The roots hanging from the branches of banyan tree are

The release of sperms from the seminiferous tubules is called

The middle lamella is composed of

The initial step in the digestion of milk in humans is carried out by ?

The first recombinant DNA was constructed by linking an antibiotic resistant gene with the native plasmid of

The first human hormone produced by recombinant DNA technology is

The enzyme recombinase is required at which stage of meiosis?

The $C_{4}$ plants differ from $C_{3}$ plants with reference to the

Spiral or ribbon shaped chloroplast is present in

Select the correct statement:

Ringworm, a common infectious disease in man causing dry scaly lesions on the skin and scalp, is caused by

Refer the given figure of digestive system of earthworm and identify the part labelled X.

Plasmodium enters the human body as

Placenta and pericarp are both edible portions in

Oxidative decarboxylation of pyruvic acid results in the formation of I. $\quad$Acetyl CoA II. $\quad$C0$^2$ III. $\quad$ATP IV. $\quad$NADH + H$_+$

One hormone hastens the maturity period in juvenile conifers, a second hormone controls xylem differentiation while the third increases the tolerance of plants to various stresses and they are respectively