Fat present below the skin surface in our body, acts as a barrier against :

The major component of honey is:

Enzymes are basically–

Which organelle in the cell, besides nucleus, contains DNA?

Milk protein digestive enzyme is–

Amino acids are the building blocks of

Most of the enzymes are

The 'xylem' in plants is responsible for–

Which of the following accounts for the red colour of tomato?

Why leaves seems green?

Plants are green because of the presence of a pigment called

A branch of science that encompasses the description, identification, nomenclature, and classification of organisms is called -

The study of properties and method of biological systems found in nature and use of this knowledge in mechanical world is known as–

Silk fibres, hair, feathers, nails and claws are formed of:

Enzyme is-

Which of the following statements is not correct?

The scientific study of insects is known as:

Cow milk is yellowish white in colour due to the presence of–

Which is the basic building block/unit of all living things?

Which of the following is not present in animal cell?

Which of the following is responsible for the red colour of tomato?

Which part of the animal cell is called power house?

Energy is stored in liver and muscles in the form of:

The age of tree is determined by calculating :

The sweetest sugar among the following is

In human body percentage of which element is highest ?

The branch of science in which human species is improved by genetic engineering, is known as–

The pigment that protects plants from damage by UV radiation is

The study of bones is done under the branch of science called:

Oncology is the study of

The branch of study dealing with old age and ageing is called

Which of the following proteins is found in milk?

The viticulture is known as–

All enzymes are made up of-

Blood is a –

Which of the following organelle is called 'Power House' of the cell?

How does the plant cell differ from the animal cell?

Which of the following elements are present in all proteins? 1. Carbon 2. Hydrogen 3. Oxygen 4. Nitrogen Select the correct answer by using the codes gives below : Code:

There is no pain when we cut our nails, because-

Requirement of protein in young and old persons-

All known enzyme are in nature of:

Choose wrong statement regarding proteins.

Assertion (A): Cellulose is used in making shatter proof glass. Reason (R) : Polysaccharides are not soluble in water. Code:

Pungency in chillies is due to the presence of:

When the bark of a tree is removed in circular fashion all around near its base, it gradually dries up and dies because?

Alfa-keratin is protein present in-

Sweetest sugar among the following is :

Which of the living tissues acts as the carrier of organic nutrients in higher plants ?

Prokaryotic cells does not contain –

The enzyme involved in unwinding of DNA is

The most abundant substance found in protoplasm–

The ultimate substance to which the carbohydrates are degraded, is

Due to the presence of which of the following, there is sweetness in milk-