Read the given statements carefully 
Statement A: The excitable cells of neural tissue make up more than one-half the volume of neural tissue in human body 
Statement B: Bones have a hard and non-pliable ground substance 
Select the correct option 
1. Both statements A and B are correct 
2. Both statements A and B are incorrect 
3. Only statement B is correct 
4. Only statement A is correct 

Subtopic:  Nervous Tissue |
 54%
From NCERT
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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 |
 88%
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 |
 70%
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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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.
 
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 |
 60%
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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 |
 94%
From NCERT
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Assertion (A): Tendon is universally found in all the bone joints.
Reason (R): Tendons connect bone joints.
 
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 |
 65%
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Assertion (A): Urinary bladder is lined by transitional epithelium.
Reason (R): Transitional epithelium always keeps the bladder volume constant.
 
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 |
 63%
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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 |
 83%
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