Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion: Bark of trees are impervious to gases and water.
Reason: Cells of bark have suberin in their walls.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Vessel and sieve tube both are meant for transport purposes.
Reason : Vessels are lignified.
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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion: Guard cells are specialized epidermal cells.
Reason: Stomata are found in the epidermis of leaves.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Lateral meristems add thickness of plants.
Reason : Lateral meristems divide only in one plane.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion: Permanent tissue is composed of mature cells.
Reason: Meristematic tissue is a group of actively dividing cells.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Surface of skin is impervious to water.
Reason : Surface of skin is covered by stratified cuboidal epithelium.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion: Husk of coconut is made of sclerenchymatous tissue.
Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Meristematic tissues constitute the major portion of the plant body.
Reason : Meristematic tissues consist of differentiated cells.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion: Bone and cartilage are connective tissue.
Reason: Blood is connective tissue in which plasma is the matrix.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Ciliated epithelium helps in movement of particles.
Reason : Cilia help in movement.