Xylem

Q.

Which part of a plant helps to carry food to all parts of the plant? ​

1. Root

2. Leaf

3. Stem

4. Flower

Q.

Explain complex tissues in plants.

Q.

What are the functions of xylem ?

Q.

What are medullary rays and what is a pith?

Q. What is dermal tissue?

Q.

What are tracheary elements ? Describe their functions.

Q.

In the leaves of C4 plants, malic acid formation during CO₂ fixation occurs in the cells of?

1. Phloem

2. Mesophyll

3. Epidermis

4. Bundle Sheath

Q.

The chief water-conducting elements of xylem in gymnosperms are

1. Tracheids

2. Fibers

3. Transfusion tissue

4. Vessels

Q.

What is the main plant tissue that forms the annual rings in the trunk of some trees?

1. phloem

2. xylem

3. epidermis

4. cork

Q. Differentiate between different types of simple permanent tissue

Q.

plants and animals are made of different types of tissues.give reasons

Q.

Hydroponics refers to growing plant in

1. Tissue culture medium

2. Solution of mineral nutrients

3. Soil culture

4. Water

Q. Select the incorrect statement w.r.t. xylem.

1. It conducts water and minerals
2. In it, conduction is bidirectional
3. Conducting channels are tracheids and vessels in it
4. It also provides additional mechanical strength to the plant

Q.

Why xylem is called water-conducting tissue?

Q.

Which plant organ carries water to the leaves?

Q. A small nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will:

1. Move upwards
2. Remain at the same position

3. Move sideways

4. Move downwards

Q.

Which meristem helps in increasing the girth of the plant?

1. 
   Primary meristem
2. 
   Apical meristem
3. 
   Intercalary meristem
4. 
   Lateral meristem

Q. Which of the following is not a component of xylem?

1. Companion cells
2. Xylem fibres
3. Vessels
4. Tracheids

Q.

Which part of the root absorbs water from the soil?

Q. Which among the following statements are correct for xylem tissue?

1. It is a simple permanent tissue
2. Performs bidirectional conduction
3. Provides mechanical strength to plants
4. Conducts water and minerals in plants

Q.

Growth rings determine

1. Length of tree

2. Age of tree

3. Breadth of tree

4. Number of branches of tree

Q.

A (i) is a non-living, elongated cell with tapering ends. Its walls are highly thickened with (ii) except at certain circular spots known as (iii) . A (iv) is a cylindrical tubelike structure placed one above the other end to end. (v) is a non-living, thick-walled cell providing mechanical support. Select the correct sequence of words to complete the above paragraph.

1. 1. Vessels
   2. Lignin
   3. Stoma
   4. Tracheid
   5. Xylem fibre
2. 1. Tracheid
   2. Suberin
   3. Pits
   4. Vessel
   5. Parenchyma
3. 1. Vessel
   2. Suberin
   3. Stoma
   4. Tracheid
   5. Sclereid
4. 1. Tracheid
   2. Lignin
   3. Pits
   4. Vessel
   5. Xylem fibre

Q. Xylem parenchyma stores food.

1. True
2. False

Q.

Draw a well labelled diagram of xylem.

Q. Which part of the Xylem helps in the storage of food?

1. Tracheids
2. Vessel
3. Xylem fibre
4. Xylem parenchyma

Q.

Name the different types of elements found in the xylem

Q. Xylem and phloem are the types of vascular tissues.

1. False
2. True

Q.

Name the components of xylem tissue.

Q. How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light? [2 MARKS]

Q. The only living element of the xylem tissue is ______.

1. Vessels
2. Tracheids
3. Xylem Fiber
4. Xylem Parenchyma