Xylem

Q.

What is a vascular bundle?

Q.

Potatoes and ginger are both underground part that store food.where is the food prepared in plants

Q. Question 3 (a)
Choose the correct option:
(a) In plants, water is transported through
(i) xylem
(ii) phloem
(iii) stomata
(iv) root hair

Q.

What are the two types of vascular tissue?

Q. What is meant by ascent of sap and transpiration pull

Q.

Trees have the pipe like vessels made of special cells to transport food and water known as ___. (2 words)

Q.

__________________conducting tissue transports water and minerals from roots upwards towards the leaves.

Q. Name the vascular tissue that helps in the transportation of water and minerals in plants.

1. Xylem
2. Meristematic tissue
3. Parenchyma
4. Phloem

Q.

How water and minerals are transported in plants?

Q.

Which one of the following is connected with transport of water in plants?

1. Phloem

2. Xylem

3. Epidermis

4. Cambium

Q. Xylem conducts only food and phloem conducts only water in plants.

1. True

2. False

Q.

_____ and ______ are both conducting tissues.

Q.

Xylem and phloem are the components of the transport system in highly organized plants.

1. True
2. False

Q. Boron is involved in phloem translocation.

1. True
2. False

Q.

Plant transport system moves energy stores from ___ and raw materials from ___.

Q. Transport of water and minerals from roots to leaves in plants is through
(a) xylem
(b) phloem
(c) cambium
(d) stomata

Q.

Trees have pipe like vessels made of special cells to transport food and water known as ___. (2 words)

Q. Given below are some characteristics of vessels and tracheids.
(i) Multicellular with wide lumen
(ii) Dead cells
(iii) Cell walls are lignified
(iv) Discontinues lumen due to presence of end walls
(v) Long, cylindrical tube-like structure
(vi) Elongated cells with tapering ends
Categorize the above characteristics with vessels (x) and tracheids (y) and select the correct option.

1. X- (i), (ii), (iii), (v), Y- (ii), (iii), (iv), (vi)
2. X- (i), (iii), (vi), Y- (ii), (iii), (iv), (v)
3. X- (i), (iv), (v), Y- (ii), (iv), (v), (vi)
4. X- (i), (ii), (v), (vi), Y- (i), (iii), (iv), (vi)

Q. Trees use a straw like mechanism to pull water up to their tip. This pull of water in trees is created by a phenomenon known as _________ .

1. Guttation
2. Digestion
3. Perspiration
4. Transpiration

Q.

Transpiration is the process in which water flows from the root of the plant to the top of the plant. Say true or false.

1. True

2. False

Q. State whether the following statements are true or false.
(v) Phloem is formed of dead tubular cells.

1. False
2. True

Q.

The statements given below are incorrect. Rewrite the correct statement by changing the underlined words of the statements.
Xylem transports starch from the leaves to all parts of the plant body.

Q.

Choose the correct option that best describes the direction of flow of water in the plants.

1. Roots, Leaves, Vessels

2. Leaves, Vessels, Roots

3. Roots, Vessels, Leaves

4. Vessels, Leaves, Roots

Q. Xylem transports sap upwards only whereas pholem transports food in both directions, Why do you think there is a difference?

Q. What makes XYLEM ??

Q. Food from the leaves is conducted ______ through the phloem in the stem.

1. None of these
2. Upwards
3. Downwards
4. Both A and B

Q. The true set of values of x for which the fuction, f(x)= xlnx - x + 1is positive is

Q.

The xylem and phloem are __________ tissues.

Q.

_____________ carries water and minerals from _______________ to different parts of plant.

Q. Vacuolar sap has lower water potential than water potential of root hair during the water absorption by root hair. How?