Select Chapter Topics:
Q. No.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
Subtopic: Connective Tissue |
77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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.
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 |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): Connective tissues link and support other tissues of the body.
Reason (R): The name of the connective tissue is after its functions.
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 name of the connective tissue is after its functions.
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 |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
55%
Please attempt this question first.
Hints
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.
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 |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
73%
Please attempt this question first.
Hints
Please attempt this question first.
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%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
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 |
60%
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.