Question 4. Name the plant tissue which helps in carrying the food to different parts.
Answer:Phloem.
Question 3.
What do xylem vessels carry?
Answer:The xylem vessels carry the water and minerals absorbed by the roots to the stem and In test tube A the water level falls because the water was absorbed by the plant throughits roots dipped in water. Here no water loss occurs due to evaporation from the watersurface due to presence of oil.In test tube …
Question 2.
How are roots useful to the plants? Give any two points.
Answer:Roots are useful to the plants in the following way: It absorbs water and minerals from the soil and transport it upward to various partsof a plant. Roots fix the plant firmly in the ground.
Question 1. An experiment was set up as shown in the figure below. After some time, the Water level in test tube A fell down but not in test tube B. Why was there a fall in the water level of test tube A and not in that of test-tube B?
ANSWER : In test tube A the water level falls because the water was absorbed by the plant throughits roots dipped in water. Here no water loss occurs due to evaporation from the watersurface due to presence of oil.In test tube B the water level remains unchanged as it does not contain a rooted plant.Due …