A. Assertion-Reason based Question.

In the following question, two statements are given one labelled Assertion (A) and the other labelled Reason (R), Select the correct answer to this question from the codes (a), (b), (c) and

(d) as given below.

(a) Both A and R are true and R is the correct explanation of the assertion.

(b) Both A and R are true but R is not the correct explanation of the assertion.

(d) A is false but R is true,

(c) A is true but R is false.

Assertion: Nervous tissues are made up of special elongated cells.

Reason: They transmit messages in the form of electrical signals.

B. Tick ( ✓ ) the correct options.

1. Voluntary muscles are found in

(a) arms, legs, alimentary canal, heart
(b) arms, heart, legs, face
(c) face, neck, arms, legs
(d) alimentary canal, urinary bladder

2. Nervous tissue is found in
(a) the brain
(b) the spinal cord
(c) the heart
(d) both (a) and (b)

3. Nervous tissue is made up of
(a) meristem
(b) neuron
(c) dendron
(d) axon

4. Which of the following muscles work continuously and do not get tired?
(a) voluntary muscles
(b) involuntary muscles
(c) cardiac muscles
(d) all of these

5. Which of the following statements about muscles is not correct?
(a) Muscle cells are elongated.
(b) Muscle cells contract and relax.
(c) Muscles help in locomotion.
(d) Muscle cells transmit messages.

6. Muscles that are present in the eyes help the eyelids to blink when dust particles enter the eyes. Which animal tissue signals the muscles in the eyelids to blink?
(a) connective tissue
(b) epithelial tissue
(c) muscular tissue
(d) nervous tissue
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