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Q. No.
Assertion (A): Frogs have a short alimentary canal.
Reason (R): They are carnivores.
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. (A) is false, but (R) is true.
Subtopic: Frogs |
89%
Level 1: 80%+
Hints
Assertion (A): The tissues are different.
Reason (R): The structure of the constituent cells varies according to their function.
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. (A) is false, but (R) is true.
Reason (R): The structure of the constituent cells varies according to their function.
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. (A) is false, but (R) is true.
Subtopic: Introduction to Animal & Epithelium Tissue |
81%
Level 1: 80%+
Hints
Assertion (A): Earthworms make the soil porous and increase the fertility of the soil.
Reason (R): They are known as friends of farmers.
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. (A) is false, but (R) is true.
Reason (R): They are known as friends of farmers.
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. (A) is false, but (R) is true.
Subtopic: Earthworm |
56%
Level 3: 35%-60%
Hints
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In light of the above statement, choose the most appropriate answer from the options given below:
| Assertion (A): | Connective tissues link and support other tissues of the body. |
| Reason (R): | The name of the connective tissue is after its functions. |
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. | (A) is False but (R) is True. |
Subtopic: Connective Tissue |
Level 3: 35%-60%
Hints
| Assertion (A): | Frogs help maintain ecological balance. |
| Reason (R): | The species which maintain ecological balance serve as an important link in the food chain and food web. |
| 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. | (A) is False but (R) is True. |
Subtopic: Frogs |
85%
Level 1: 80%+
Hints
Assertion (A): Frogs are considered important for mankind.
Reason (R): They eat insects and protect the crops.
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. (A) is false, but (R) is true.
Reason (R): They eat insects and protect the crops.
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. (A) is false, but (R) is true.
Subtopic: Frogs |
94%
Level 1: 80%+
Hints
Assertion (A): Bone possess a very hard matrix but cartilage has pliable matrix.
Reason (R): Bone matric contain calcium salts but cartilage contain chondroitin salts.
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
Reason (R): Bone matric contain calcium salts but cartilage contain chondroitin salts.
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 |
80%
Level 1: 80%+
Hints
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Assertion (A): The biceps and triceps are antagonistic in nature.
Reason (R): Biceps flexes the arm whereas triceps straightens it.
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
Reason (R): Biceps flexes the arm whereas triceps straightens it.
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: Animal Tissue: Muscle Types & Skeletal Muscles |
75%
Level 2: 60%+
Hints
Ligaments and tendons are examples of:
1. Specialised connective tissue
2. Loose connective tissue
3. Dense connective tissue
4. Epithelial tissue
1. Specialised connective tissue
2. Loose connective tissue
3. Dense connective tissue
4. Epithelial tissue
Subtopic: Connective Tissue |
89%
Level 1: 80%+
Hints
Choose the incorrect statement:
| 1. | 60-70% of bone is made of organic matter and 30-40% of inorganic matter |
| 2. | Most of the cartilage in vertebrate embryos are replaced by bones in adults |
| 3. | It bone is put in HCl, it becomes decalcified, soft and flexible |
| 4. | Spongy bone occurs in the deeper central parts of bone |
Subtopic: Connective Tissue |
62%
Level 2: 60%+
Hints
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