Phloem

Q.

what is the relation between sieve tubes and companion cells?

Q. The materials transported by phloem are-

1. Salts and Water
2. Minerals and amino acids
3. Sugar and amino acids
4. Water, sugar and amino acids

Q.

Phloem is the tissue in plants that help in organic translocation.

1. Xylem

2. Epidermis

Q.

Phloem transports _____ from _____ to other parts of the plant.

Q.

Xylem and phloem are an example _____?

Q.

Which of the following is accomplished in a plant by utilising the energy stored in ATP?
(a) transport of food
(b) transport of water and minerals
(c) transport of oxygen
(d) transport of water, minerals and food

Q.

Tissue that transports products of photosynthesis from the leaves where they are synthesized to other parts of the plant, are called:

1. Xylem

2. Phloem

3. Guard cells

4. Stomata

Q.

Which one of the following has cytoplasm but no nucleus : (a) xylem vessel
(b) sieve tube
(c) tracheid
(d) companion cell

Q. Which tissue in plants help in organic translocation?

1. Phloem
2. Meristematic
3. Xylem
4. Epithelial

Q.

What is phloem tissue ?

Phloem contains two types of cells joined side by side. Name these two types of cells. State whether these cells are living or dead.

Q.

Name the tissue that helps in the transportation of the food in plants.

Q.

Name the conducting tissue in plants which is made of (a) living cells, and (b) dead cells.

Q.

Which process in a plant is accomplished by utilizing energy from ATP? Transport of water or transport of food.

Q. Phloem is a food source for animals. Justify the statement.

Q.

Which process in a plant is accomplished by utilising energy from ATP : transport of water and minerals or transport of food ?

Q.

Translocation through phloem is unidirectional.

1. True

2. False

Q.

How does our blood clot ?

Q.

Which of the following carries substances upwards as well as downwards in a plant ?
(a) xylem
(b) companion cells
(c) phloem
(d) tracheids

Q.

Difference between the following:

Xylem and Phloem conducting tissues

Q.

One of the following is not a constituent of blood. This one is :
(a) red blood cells
(b) white blood cells
(c) sieve plates
(d) platelets

Q. Assertion (A): In phloem tissue, vessels and tracheids of roots, stems and leaves are interconnected forming a continuous system of water conducting channels.​
Reason (R): The phloem tissues are composed of living cells and hence are more suitable for water conduction.​

Q.

Question 61
Name the energy currency in the living organisms. When and where is it produced?

Q.

Correct the following statements by changing the underlined words.​

(ii) Xylem transports starch from the leaves to all parts of the plant body.​

Q.

Which vascular tissue of plant has bi-directional movement?

1. Xylem tissue

2. Apical meristem tissue

3. Phloem tissue

4. Ground tissues

Q.

Name the conducting tissue of plants which is made of sieve tubes alongwith companion cells.

Q. Which group of plants is called as vascular cryptogams?

1. Pteridophyta
2. Bryophytes
3. Algae
4. Fungi

Q.

Food in the plants is transported by __________________.

Q. is the plant tissue associated with translocation.

1. Leaves
2. Phloem
3. Stem
4. Xylem

Q.

____ have tubular cells with perforated walls and are living in nature.

Q. Differentiate between xylem and phloem.
[5 Marks]