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Q. No.Select the correct option based on statements below:
Assertion (A):
Plasmids are extrachromosomal DNA.
Reason (R):
Plasmids are found in bacteria and are useful in genetic engineering.
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.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Prokaryotic Cell Organisation |
64%
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Assertion(A): Cell is the fundamental structural and functional unit of all living organisms.
Reason(R): Anything less than a complete structure of a cell does not ensure independent living.
Choices for Assertions and reasons:
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): Anything less than a complete structure of a cell does not ensure independent living.
Choices for Assertions and reasons:
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 Cell |
89%
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Assertion(A): ER divides the intracellular space into two distinct compartments, i.e., luminal (inside ER) and extra luminal (cytoplasm) compartments.
Reason(R): The network of ER is scattered in the cytoplasm.
Choices for Assertions and reasons:
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 network of ER is scattered in the cytoplasm.
Choices for Assertions and reasons:
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: Endomembrane System (Endoplasmic Reticulum) |
55%
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Assertion(A): Endoplasmic reticulum (ER), golgi complex, lysosomes and vacuoles are grouped together as endomembrane system.
Reason(R): The functions of endoplasmic reticulum (ER), golgi complex, lysosomes and Vacuoles are coordinated.
Choices for Assertions and reasons:
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 functions of endoplasmic reticulum (ER), golgi complex, lysosomes and Vacuoles are coordinated.
Choices for Assertions and reasons:
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: Endomembrane System |
93%
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Assertion(A): The concentration of ions is significantly higher in the cytoplasm than in the vacuole.
Reason(R): The tonoplast facilitates the transport of a number of ions actively into the vacuole.
Choices for Assertions and reasons:
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 tonoplast facilitates the transport of a number of ions actively into the vacuole.
Choices for Assertions and reasons:
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: Vacuole |
67%
From NCERT
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Assertion(A): Mitochondria are called ‘power houses’ of the cell.
Reason(R): They produce cellular energy in the form of ATP.
Choices for Assertions and reasons:
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 produce cellular energy in the form of ATP.
Choices for Assertions and reasons:
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: Mitochondria |
97%
From NCERT
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Assertion(A): Cells vary in their shape, size and functions based on the presence or absence of a membrane bound nucleus and other organelles.
Reason(R): A typical eukaryotic cell consists of a cell membrane, nucleus and cytoplasm.
Choices for Assertions and reasons:
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): A typical eukaryotic cell consists of a cell membrane, nucleus and cytoplasm.
Choices for Assertions and reasons:
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 Cell |
58%
From NCERT
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Assertion(A): Endoplasmic reticulum (ER), golgi complex, lysosomes and vacuoles are grouped together as endomembrane system.
Reason(R): The functions of endoplasmic reticulum (ER), golgi complex, lysosomes and peroxisomes are coordinated.
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 functions of endoplasmic reticulum (ER), golgi complex, lysosomes and peroxisomes are coordinated.
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: Endomembrane System |
55%
From NCERT
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Mark the following statements as true (T) or false (F) and select the correct option :
A. Acrocentric chromosome appears J-shaped during anaphase.
B. Centromere holds two chromatids together.
C. Outer membrane of nucleus is connected with SER only.
| A | B | C | |
| 1. | T | F | F |
| 2. | F | T | T |
| 3. | T | T | F |
| 4. | F | F | T |
Subtopic: Nucleus | Nucleus: Chromosomes |
80%
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Read the below given statements and select the correct option.
A. In 70S ribosome, S stands for sedimentation coefficient.
B. Only prokaryotes have 70S ribosomes.
1. Only A is correct
2. Only B is correct
3. Both A and B are correct
4. Both A and B are incorrect
Subtopic: Ribosome and Inclusion Bodies |
63%
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