Biology - Study Mode

[#731] Which ecological pyramid can never be inverted
Correct Answer

(C) Pyramid of energy

Explanation

Solution: The pyramid of energy can never be inverted. The pyramid represents the amount of energy at each trophic level of the food chain.

[#732] Tracheids are conducting cells of which tissue?
Correct Answer

(A) Xylem

Explanation

Solution: Tracheids (top) and vessel elements (bottom) are the water conducting cells of xylem tissue.

[#733] The main function of the inner bark of a woody plant is to
Correct Answer

(C) Transport food from the leaves to the other parts of the plant

Explanation

Solution: The inner bark is composed of living tissues, which help translocate the sugars created in the leaves to other parts of the plant. This happens in the secondary phloem.

[#734] Which one of the following tissues is responsible for increase of girth in the stem of a plant?
Correct Answer

(D) Lateral meristem

Explanation

Solution: Cork cambium and vascular cambium are responsible for the increase in diameter of the stem and root of a plant. These are present in dicot plants. These are the lateral meristem and are responsible for the secondary growth of the plant.

[#735] Which of the following transports water from the roots of the plant to its leaves?
Correct Answer

(A) Xylem

Explanation

Solution: Xylem transports water from the roots of the plant to its leaves.