Match column I with column II and choose the correct option:
Column I Column II
a. Gap junctions (i) Help in stopping substances from leaking across a tissue
b. Adhering junctions (ii) Keep neighbouring cells attached to
each other
c. Tight junctions (iii) Connect the cytoplasm of adjoining cells
(iv) Facilitate communication between cells

1. a(iii), b(i), c(iv)
2. a(iv), b(ii), c(i)
3. a(i), b(ii), c(iv)
4. a(iv), b(ii), c(iii)

Subtopic:  Glandular Epithelium & Cell Junction |
 87%
From NCERT
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Read the following statements.
Statement A: The contractile tissue which is present exclusively in the heart is unstriated and involuntary.
Statement B: Communication junctions called intercalated discs are present in the muscular tissue of intestines, heart, urinary bladder etc.
Select the correct option with respect to the above given statements.
1. Both statements A and B are correct.
2. Both statements A and B are incorrect.
3. Only statement A is correct.
4. Only statement B is correct.
Subtopic:  Cardiac Muscle & Smooth Muscle |
 72%
From NCERT
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Assertion (A): Cartilage and bone are rigid connective tissue.
Reason (R): Blood is a connective tissue in which plasma is the matrix.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Connective Tissue |
 71%
From NCERT
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Mast cells in the human body release excessive amounts if inflammatory chemical which cause allergic reactions.
Reason (R): Allergens on reaching the human body stimulate mast cell in certain individuals.

In light of the above statement, choose the most appropriate answer from the options given below:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R)) is false.
4. Both (A) and (R) are false.
Subtopic:  Introduction to Animal & Epithelium Tissue |
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Assertion (A): Earthworms is hermaphrodite.
Reason (R): In earthworms, reciprocal cross fertilisation takes place
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
 
Subtopic:  Earthworm |
 61%
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Assertion (A): The alimentary canal of a frog is short.
Reason (R): Frog is carnivorous.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Frogs |
 95%
From NCERT
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Tendon is universally found in all the bone joints.
Reason (R): Tendons connect bone joints.

In light of the above statement, choose the most appropriate answer from the options given below:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R)) is false.
4. Both (A) and (R) are false.
Subtopic:  Connective Tissue |
 68%
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Urinary bladder is lined by transitional epithelium.
Reason (R): Transitional epithelium always keeps the bladder volume constant.

In light of the above statement, choose the most appropriate answer from the options given below:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R)) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Glandular Epithelium & Cell Junction |
 66%
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Assertion (A): The cells of Connective tissue secretes fibre.
Reason (R): Blood also secretes fibres.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
 
Subtopic:  Connective Tissue |
 86%
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Assertion (A): Smooth muscles are involuntary.
Reason (R): These are controlled by autonomic nervous system.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Cardiac Muscle & Smooth Muscle |
 75%
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