The number of time(s) decarboxylation of isocitrate occurs during single TCA cycle is :
| 1. | One | 2. | Two |
| 3. | Three | 4. | Four |
Subtopic: Â Kreb's Cycle |
 67%
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: Â Ground Tissue System |
 57%
Level 3: 35%-60%
NEET - 2022
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Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
Choose the correct answer from the options given below:
| (a) Plants | (b) Invertebrates | (c) Fishes |
| (d) Mammals | (e) Birds |
| 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: Â Magnitude of Biodiversity |
 61%
Level 2: 60%+
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).
In the light of the above statements, choose the correct answer from the options given below :
| 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 the palindromic site. |
| 1. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
| 3. | (A) is correct but (R) is not correct. |
| 4. | (A) is not correct but (R) is correct. |
Subtopic: Â Restriction Enzymes - Main Enzymes |
 64%
Level 2: 60%+
NEET - 2022
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The phenomenon by which the undividing parenchyma cells start to divide mitotically during plant tissue culture is called as :
| 1. | Differentiation | 2. | Dedifferentiation |
| 3. | Redifferentiation | 4. | Secondary growth |
Subtopic: Â Differentiation, Dedifferentiation and Redifferentiation |
 70%
Level 2: 60%+
NEET - 2022
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Interfascicular cambium is present between :
| 1. | Primary xylem and primary phloem |
| 2. | Pericycle and endodermis |
| 3. | Two vascular bundles |
| 4. | Secondary xylem and secondary phloem |
Subtopic: Â Vascular Tissue System |
 53%
Level 3: 35%-60%
NEET - 2022
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Which of the following statement is not correct?
| 1. | Rhizome is a condensed form of stem |
| 2. | The apical bud in rhizome always remains above the ground |
| 3. | The rhizome is aerial with no distinct nodes and internodes |
| 4. | The rhizome is thick, prostrate and branched |
Subtopic: Â Asexual Reproduction |
 56%
Level 3: 35%-60%
NEET - 2022
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Primary proteins are also called as polypeptides because :
| 1. | They are linear chains |
| 2. | They are polymers of peptide monomers |
| 3. | Successive amino acids are joined by peptide bonds |
| 4. | They can assume many conformations |
Subtopic: Â Proteins |
 63%
Level 2: 60%+
NEET - 2022
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Which type of substance would face difficulty to pass through the cell membrane?
| 1. | Substance with hydrophobic moiety |
| 2. | Substance with hydrophilic moiety |
| 3. | All substance irrespective of hydrophobic and hydrophilic moiety |
| 4. | Substance soluble in lipids |
Subtopic: Â Cell Membrane |
 64%
Level 2: 60%+
NEET - 2022
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What is the expected percentage of F2 progeny with yellow and inflated pod in dihybrid cross experiment involving pea plants with green coloured, inflated pod and yellow coloured constricted pod?
| 1. | 100% | 2. | 56.25% |
| 3. | 18.75 % | 4. | 9% |
Subtopic: Â Monohybrid Cross: 1 |
 58%
Level 3: 35%-60%
NEET - 2022
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