Transportation of Water: Transpirational Pull

Q. ________ helps in drawing water from roots to the leaves in tall trees.

1. Osmosis
2. Transpirational pull
3. Root pressure
4. Gravitational pull

Q.

A leaf was covered with cobalt chloride paper on both surfaces

Name the process involved.

Q.

Guard cells help in regulating the rate of ________.

1. condensation

2. digestion

3. excretion

4. transpiration

Q. Question 37
If a potted plant is covered with a glass jar, water vapours appear on the wall of glass jar. Explain why?

Q.

Terrestrial plants lose most of the water absorbed through __ from the leaves.

Q.

Transpiration mainly occurs through ___ .

Q. Lesser the number of stomata more the transpiration.

1. True
2. False

Q. Plants release water into the atmosphere through the process of transpiration.

1. True
2. False

Q.

Transpiration helps in transport of water through the ________.

1. artery

2. phloem

3. xylem

4. stomata

Q. Transpiration mainly occurs through ___.

1. stem
2. roots
3. leaves
4. branches

Q. Transpiration acts as a suctional force to pull water from the to the .

1. leaf
2. root
3. bark
4. fruit

Q. ___________ helps in the upward movement of water from roots to the leaves in tall trees.

1. Transpiration

2. Translocation

3. Gravity

4. Root pressure

Q. The movement of water in xylem is bidirectional.

1. True
2. False

Q. is the nearest source of raw materials like nitrogen, phosphorus and other minerals for plants.

1. Water
2. Soil
3. Air
4. Leaves
5. Lightning