Intercalary meristem is meristem at the base of the internode in monocot stems (particularly grass stems). Only the apical meristem is active. If the tip of the stem is removed, the uppermost intact intercalary meristem becomes the apical meristem and starts intercalary growth.

Correct Option: D

Intercalary meristem is meristem at the base of the internode in monocot stems (particularly grass stems). Only the apical meristem is active. If the tip of the stem is removed, the uppermost intact intercalary meristem becomes the apical meristem and starts intercalary growth.

The epidermis of the stem and the leaf is usually surrounded by a thin, covering called cuticle. It is formed by a waxy substance called cutin. It is meant for preventing excessive evaporation of water. Cuticle is absent in the root epidermis.

Correct Option: C

The epidermis of the stem and the leaf is usually surrounded by a thin, covering called cuticle. It is formed by a waxy substance called cutin. It is meant for preventing excessive evaporation of water. Cuticle is absent in the root epidermis.

A meristem is the tissue in most plants containing undifferentiated cells (meristematic cells), found in zones of the plant where growth can take place. Meristems give rise to permanent tissues.

Correct Option: A

A meristem is the tissue in most plants containing undifferentiated cells (meristematic cells), found in zones of the plant where growth can take place. Meristems give rise to permanent tissues.

Composting is the depomposition of plant remains and other once-living materials to make an earthy, dark, crumbly substance that is excellent for enriching soil. It is the chief way to recycle wastes.

Correct Option: B

Composting is the depomposition of plant remains and other once-living materials to make an earthy, dark, crumbly substance that is excellent for enriching soil. It is the chief way to recycle wastes.

The word Virus has been derived from the Latin ‘virus’ referring to poison and other noxious substances. A virus is a small infectious agent that replicates only inside the living cells of other organisms.

Correct Option: D

The word Virus has been derived from the Latin ‘virus’ referring to poison and other noxious substances. A virus is a small infectious agent that replicates only inside the living cells of other organisms.