Which of the following are required for the light reaction of photosynthesis?
1. A, C, D and E only
2. C, D and E only
3. A and B only
4. A, C and E only
| A. | \(\mathrm {CO}_2\) | B. | \(\mathrm {O}_2\) |
| C. | \(\mathrm {H_2O}\) | D. | Chlorophyll |
| E. | Light | ||
2. C, D and E only
3. A and B only
4. A, C and E only
Subtopic: Â Light Reaction: Electron Transport |
 52%
Level 3: 35%-60%
NEET - 2024
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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: Â Enzymes Classification |
 52%
Level 3: 35%-60%
NEET - 2024
Hints
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: Â Flower & Parts of Flower |
 50%
Level 3: 35%-60%
NEET - 2024
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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: Â Gene Regulation: Lac Operon |
 66%
Level 2: 60%+
NEET - 2024
Hints
Subtopic: Â Fruits & their Types |
 65%
Level 2: 60%+
NEET - 2024
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Recombinant DNA molecule can be created normally by cutting the vector DNA and source DNA respectively with:
| 1. | Hind II, Hind II | 2. | Hind II, Alu I |
| 3. | Hind II, EcoR I | 4. | Hind II, Bam HI |
Subtopic: Â Tools: Enzymes: I |Â Tools: Enzymes: II |
 63%
Level 2: 60%+
NEET - 2024
Hints
When a tall pea plant with round seeds was selfed, it produced the progeny of:
(a) tall plants with round seeds and
(b) tall plants with wrinkled seeds
Identify the genotype of the parent plant:
1. TtRr
2. TtRR
3. TTRR
4. TTRr
(a) tall plants with round seeds and
(b) tall plants with wrinkled seeds
Identify the genotype of the parent plant:
1. TtRr
2. TtRR
3. TTRR
4. TTRr
Subtopic: Â Dihybrid Cross: General Consideration |
 67%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below.
1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
| Statement I: | Antibiotics are chemicals produced by microbes that kill other microbes. |
| Statement II: | Antibodies are chemicals formed in body that eliminate microbes. |
1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Â Industrial Products, Beverages & Antibiotics |
 67%
Level 2: 60%+
NEET - 2024
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Open Circulatory system is present in:
| 1. | Palaemon, Nereis, Balanoglossus |
| 2. | Hirudinaria, Bombyx, Salpa |
| 3. | Anopheles, Limax, Limulus |
| 4. | Pheretima, Musca, Pila |
Subtopic: Â Phylum Arthropoda |
 65%
Level 2: 60%+
NEET - 2024
Hints
What is the correct order (old to recent) of periods in Paleozoic era?
| 1. | Silurian, Devonian, Permian, Carboniferous |
| 2. | Silurian, Devonian, Carboniferous, Permian |
| 3. | Permian, Devonian, Silurian, Carboniferous |
| 4. | Silurian, Carboniferous, Permian, Devonian |
Subtopic: Â A BRIEF ACCOUNT OF EVOLUTION |
 65%
Level 2: 60%+
NEET - 2024
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