The number of time(s) decarboxylation of isocitrate occurs during single TCA cycle is :
1. One
2. Two
3. Three
4. Four
Subtopic:  Kreb's Cycle |
 67%
Level 2: 60%+
NEET - 2022
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Given below are two statements :
Statement I: Sickle cell anaemia and Haemophilia are autosomal dominant traits.
Statement II: Sickle cell anaemia and Haemophilia are disorders of the blood.

In light of the above statements, choose the correct answer from the options given below :
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic:  Mendelian Disorders: Hemophilia |
 83%
Level 1: 80%+
NEET - 2022
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Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): When a particular restriction enzyme cuts strands of DNA, overhanging stretches or sticky ends are formed.
Reason (R): Some restriction enzymes cut the strand of DNA a little away from the centre of palindromic site.
In light of the above statements, choose the correct answer from the options given below:
1. Both (A) and (R) are True and (R) correctly explains (A).
2. Both (A) and (R) are True and (R) does not correctly explain (A).
3. (A) is True, (R) is False.
4. (A) is False, (R) is True.
Subtopic:  Restriction Enzymes - Main Enzymes |
 62%
Level 2: 60%+
NEET - 2022
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Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
(a) Plants (b) Invertebrates
(c) Fishes (d) Mammals
(e) Birds
Choose the correct answer from the options given below:
1. (a) > (b) > (e) > (d) > (c) 2. (a) > (c) > (d) > (b) > (e)
3. (b) > (a) > (e) > (d) > (c) 4. (b) > (a) > (c) > (e) > (d)
Subtopic:  Biodiversity Patterns |
 67%
Level 2: 60%+
NEET - 2022
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Match List-I with List-II
List-I List-II
(a) Porins (i) Pink coloured nodules
(b) leg haemoglobin (ii) Lumen of thylakoid
(c) H+ accumulation (iii) Amphibolic pathway
(d) Respiration (iv) Huge pores in outer membrane of mitochondria

Choose the correct answer from the options given below :
(a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2. (iv) (i) (ii) (iii)
3. (iii) (iv) (ii) (i)
4. (ii) (iv) (i) (iii)
Subtopic:  Nodule formation |
 88%
Level 1: 80%+
NEET - 2022
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Which of the following growth regulators is an adenine derivative ?
1.Auxin2.Cytokinin
3.Ethylene4.Abscisic acid
Subtopic:  Growth Hormones & Auxin |
 76%
Level 2: 60%+
NEET - 2022
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The type of tissue commonly found in the fruit wall of nuts is :
1. Parenchyma 2. Collenchyma
3. Sclerenchyma 4. Sclereid
Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 62%
Level 2: 60%+
NEET - 2022
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The species that come to appear in bare area are called: 
1. Pioneer species
2. Invasive species
3. Competitive species
4. Species of seral community
 85%
Level 1: 80%+
NEET - 2022
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In general the egg apparatus of embryo sac in angiosperm consists of:
1. One egg cell, two synergids
2. One egg cell, two synergids, two antipodal cells, three Polar nuclei
3. One egg cell, three synergids, two antipodal cells, two Polar nuclei
4. One egg cell, two synergids, two antipodal cells, two Polar nuclei
Subtopic:  Pistil: Female Gametophyte |
 85%
Level 1: 80%+
NEET - 2022
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Match List-I with List-II
List-I List-II
(a) Imbricate (i) Calotropis
(b) Valvate (ii) Cassia
(c) Vexillary (iii) Cotton
(d) Twisted (iv) Bean

Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (ii) (i) (iii) (iv)
2. (ii) (i) (iv) (iii)
3. (ii) (iv) (iii) (i)
4. (i) (iii) (iv) (ii)
Subtopic:  Flower & Parts of Flower |
 82%
Level 1: 80%+
NEET - 2022
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