NCERT Class-9 Science Solutions: Chapter 6 – Tissues Part 4

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Question 22:

The dead element present in the phloem is

  1. Companion cells

  2. Phloem fibers

  3. Phloem parenchyma

  4. Sieve tubes

Answer: B

Image Phloem fibers

Image Phloem Fibers

Question 23:

Which of the following does not lose their nucleus at maturity?

  1. Companion cells

  2. Red blood cells

  3. Vessel

  4. Sieve tube cells

Answer: A

Image Companion cells

Image Companion Cells

Question 24:

In desert plants, rate of water loss gets reduced due to the presence of

  1. Cuticle

  2. Stomata

  3. Lignin

  4. Suberin

Answer: A

Image Cuticle

Image Cuticle

Question 25:

A long tree has several branches. The tissue that helps in the sideways conduction of water in the branches is

  1. Collenchyma

  2. Xylem parenchyma

  3. Parenchyma

  4. Xylem vessels

Answer: D

Image Xylem vessels

Image Xylem Vessels

Question 26:

If the tip of sugarcane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of

  1. Cambium

  2. Apical meristem

  3. Lateral meristem

  4. Intercalary meristem

Answer: D

Image Intercalary meristem

Image Intercalary Meristem

Question 27:

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

  1. Move downwards

  2. Move upwards

  3. Remain at the same position

  4. Move sideways

Answer: C

Image apical meristem

Image Apical Meristem

Question 28:

Parenchyma cells are

  1. Relatively unspecified and thin walled

  2. Thick walled and specialized

  3. Lignified

  4. None of these

Answer: A

Image Parenchyma cells

Image Parenchyma Cells

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