CBSE Class IX Biology Solutions

Displaying 5 out of 42 questions & answers.
Q1.

Define tissue.

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Q2.

Name the components of xylem.

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Xylem has four constituents: Tracheids, vessels, xylem fibres and xylem parenchyma.

Q3.

What is the function of a tendon?

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The function of a tendon is to connect skeletal muscles to the bone. It is a dense connective tissue and is strong and inelastic.

Q4.

What is a neuron?

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Neurons are very specialised cells that make up the nervous tissue and are the basic structural and functional units of the nervous system.

Q5.

What are the constituents of phloem?

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Phloem constitues the following:

  1. Sieve tubes for conduction of food
  2. Companion cells to control activity of sieve tubes
  3. Phloem fibres for mechanical support
  4. Phloem parenchyma for storage of food