Biology - Study Mode

[#461] Branch of science which deals with the study of tissue found in the body of organism is
Correct Answer

(B) Histology

Explanation

Solution: Histology is the branch of biology concerned with the composition and structure of plant and animal tissues in relation to their specialized functions.

[#462] Which one of the following is modification of parenchyma?
Correct Answer

(D) Chlorenchyma

Explanation

Solution: Parenchyma cells with chloroplast to carry out photosynthesis are called as chlorenchyma cells. Therefore, option D is correct.

[#463] Cells which takes part in secondary growth are named as
Correct Answer

(C) Cambium

Explanation

Solution: Cambium, in plants, is a layer of actively dividing cells between xylem (wood) and phloem (bast) tissues. It is responsible for the secondary growth of stems and roots (secondary growth occurs after the first season and results in an increase in thickness). Hence, Cells which takes part in secondary growth are named as Cambium. So, the correct answer is 'Cambium'.

[#464] Bones join with muscles with the help of
Correct Answer

(B) Tendon

Explanation

Solution: Bones join with muscles with the help of tendon.

[#465] Which type of permanent tissue helps the aquatic plants to float?
Correct Answer

(A) Aerenchyma

Explanation

Solution: The tissue which allows aquatic plants to float is Aerenchyma. Basically aerenchyma is parenchyma tissue in aquatic plants. The cells of aerenchyma make a network which has wide air spaces or air cavities for gaseous exchange. These air cavities make the plant light and buoyant and hence, plants can float easily in water.