Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?
| 1. | C-C | 2. | P-O |
| 3. | C-O | 4. | C-N |
Subtopic: Enzymes Classification |
52%
Level 3: 35%-60%
NEET - 2024
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F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with one of the following, except:
1. Extract of vascular tissues
2. Coconut milk
3. Abscisic acid
4. Yeast extract
1. Extract of vascular tissues
2. Coconut milk
3. Abscisic acid
4. Yeast extract
Subtopic: Growth Hormones & Auxin |
75%
Level 2: 60%+
NEET - 2024
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Given below are some statements about plant growth regulators:
Choose the correct set of statements from the ones given below:
| A. | All GAs are acidic in nature. |
| B. | Auxins are antagonists to GAs. |
| C. | Zeatin was isolated from coconut milk. |
| D. | Ethylene induces flowering in Mango. |
| E. | Abscisic acid induces parthenocarpy. |
| 1. | A,C,D | 2. | B,E |
| 3. | A,B,C | 4. | B,D,E |
Subtopic: Growth Hormones & Auxin | Gibberellin | Cytokinin | Ethylene | Abscisic Acid |
77%
Level 2: 60%+
NEET - 2024
Hints
Identify the incorrect statement related to electrophoresis:
| 1. | Separated DNA fragments can be directly seen under UV radiation |
| 2. | Separated DNA can be extracted from gel piece. |
| 3. | Fragments of DNA move toward anode. |
| 4. | Sieving effect of agarose gel helps in separation of DNA fragments. |
Subtopic: Separation and Isolation of DNA fragments |
79%
Level 2: 60%+
NEET - 2024
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Which of the following examples show monocarpellary, unilocular ovary with many ovules?
A. Sesbania
B. Brinjal
C. Indigofera
D. Tobacco
E. Asparagus
Choose the correct answer from options given below:
A. Sesbania
B. Brinjal
C. Indigofera
D. Tobacco
E. Asparagus
Choose the correct answer from options given below:
| 1. | B and E only | 2. | C, D and E only |
| 3. | A, B and D only | 4. | A and C only |
Subtopic: Flower & Parts of Flower |
50%
Level 3: 35%-60%
NEET - 2024
Hints
Given below are two statements :
In the light of the above statements choose the correct answer from the options given below:
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
| Statement I: | In the lac operon, the z gene codes beta-galactosidase which is primary responsible for the hydrolysis of lactose into galactose and glucose. |
| Statement II: | In addition of lactose, glucose or galactose can also induce lac operon. |
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
Subtopic: Gene Regulation: Lac Operon |
66%
Level 2: 60%+
NEET - 2024
Hints
Subtopic: Fruits & their Types |
65%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements:
In light of the above statements, choose the correct answer from the options given below:
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
| Statement I: | In a dicotyledonous leaf, the adaxial epidermis general bears more stomata than the abaxial epidermis. |
| Statement II: | In a dicotyledonous leaf, the adaxially placed palisade parenchyma is made up of elongated cells, which are arranged vertically and parallel to each other. |
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
Subtopic: Dicot Leaf |
75%
Level 2: 60%+
NEET - 2024
Hints
Which of the following are not fatty acids?
Choose the correct answer from the options given below:
| A. | Glutamic acid | B. | Arachidonic acid |
| C. | Palmitic acid | D. | Lecithin |
| E. | Aspartic acid | ||
| 1. | C, D and E only | 2. | A and B only |
| 3. | A, D and E only | 4. | B and C only |
Subtopic: Element Analysis |
77%
Level 2: 60%+
NEET - 2024
Hints
Consider the pyramid of energy of an ecosystem given below :
If \(\text T_4\) is equivalent to \(1000~\text J,\) what is the value of T1?
If \(\text T_4\) is equivalent to \(1000~\text J,\) what is the value of T1?
| 1. | \(\dfrac{ 1000 }{10}~\text J\) | 2. | \(\dfrac{ 1000}{10} \times 4~\text J \) |
| 3. | \(10,000~\text J\) | 4. | \(10,00,000~\text J \) |
Subtopic: Energy Flow |
88%
Level 1: 80%+
NEET - 2024
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