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Q. No.Assertion(A): Reproduction cannot be an all-inclusive defining characteristic of living organisms.
Reason(R): There are many organisms that do not reproduce (mules, sterile worker bees, infertile human couples, etc).
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.
90%
Level 1: 80%+
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Assertion(A): The isolated metabolic reactions in vitro are not living things but surely living reactions.
Reason(R): Metabolism is a defining feature of all living organisms without exception.
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): Metabolism is a defining feature of all living organisms without exception.
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.
56%
Level 3: 35%-60%
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Assertion(A): In single-celled organisms, we are not very clear about the usage of these two terms – growth and reproduction.
Reason(R): In unicellular organisms like bacteria, unicellular algae, or Amoeba, growth is synonymous with reproduction, i.e., an increase in the mass of cells.
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): In unicellular organisms like bacteria, unicellular algae, or Amoeba, growth is synonymous with reproduction, i.e., an increase in the mass of cells.
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.
Level 4: Below 35%
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Which of the following are true about the taxonomical aid 'key' ?
Choose the most appropriate answer from the options given below :
1. (a), (b) and (c) only
2. (b), (c) and (d) only
3. (a), (b), (c) and (e) only
4. (a), (c), (d) and (e) only
| a. | Keys are based on the similarities and dissimilarities. |
| b. | Key is analytical in nature. |
| c. | Keys are based on the contrasting characters in pair called couplets. |
| d. | Same key can be used for all taxonomic categories. |
| e | Each statement in the key is called Lead. |
Choose the most appropriate answer from the options given below :
1. (a), (b) and (c) only
2. (b), (c) and (d) only
3. (a), (b), (c) and (e) only
4. (a), (c), (d) and (e) only
81%
Level 1: 80%+
NEET - 2022
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Assertion: Consciousness is considered as the defining property of living organisms
Reason: All organisms from the prokaryotes to the most eukaryotes can sense and respond to environmental stimuli
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true but the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false
Reason: All organisms from the prokaryotes to the most eukaryotes can sense and respond to environmental stimuli
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true but the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false
83%
Level 1: 80%+
Hints
Assertion: Botanical gardens are specialised gardens having collection of living plants for reference
Reason: Zoological parks are the places where wild animals are kept in protected environments under human care
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true but the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false
Reason: Zoological parks are the places where wild animals are kept in protected environments under human care
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true but the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false
89%
Level 1: 80%+
Hints
Assertion: Growth can not be taken as a defining property of living organisms
Reason: Non-living objects also grow if we take increase in body mass as a criterion for growth
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true but the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false
Reason: Non-living objects also grow if we take increase in body mass as a criterion for growth
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true but the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false
90%
Level 1: 80%+
Hints
Among the following, select the correct statements
(a) In majority of higher plants and animals, growth and reproduction are mutually exclusive events
(b) In non-living objects growth is by accumulation of material on the surface
(c) An isolated metabolic reaction outside the body of an organism, performed in a test tube is neither living nor non-living
(d) All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental cues
1. b, c, d
2. a, b, c
3. a, d, c
4. a, b, c, d
(a) In majority of higher plants and animals, growth and reproduction are mutually exclusive events
(b) In non-living objects growth is by accumulation of material on the surface
(c) An isolated metabolic reaction outside the body of an organism, performed in a test tube is neither living nor non-living
(d) All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental cues
1. b, c, d
2. a, b, c
3. a, d, c
4. a, b, c, d
82%
Level 1: 80%+
Hints
Which of the following is/are true with reference to taxonomical aids?
(i) Separate taxonomic keys are required for each taxonomic category
(ii) Herbarium is a store house of collected plants and animals
(iii) Each statement in the key is called couplet
(iv) Keys are used for identification purpose
1. (i) and (ii)
2. (i) and (iv)
3. (i) and (iii)
4. (iii) and (iv)
(i) Separate taxonomic keys are required for each taxonomic category
(ii) Herbarium is a store house of collected plants and animals
(iii) Each statement in the key is called couplet
(iv) Keys are used for identification purpose
1. (i) and (ii)
2. (i) and (iv)
3. (i) and (iii)
4. (iii) and (iv)
73%
Level 2: 60%+
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Herbarium, Botanical gardens, Museum, Zoological parks and Key are considered as:
1. Trophic aids
2. Environmental aids
3. Pollution aids
4. Taxonomical aids
92%
Level 1: 80%+
NEET - 2022
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