Frequency of recombination between gene pairs on same chromosome as a measure of the distance between genes to map their position on chromosome, was used for the first time by:
| 1. | Henking | 2. | Thomas Hunt Morgan |
| 3. | Sutton and Boveri | 4. | Alfred Sturtevant |
Subtopic: Β Understanding Linkage |Β Linkage Types |Β Recombination & Gene Mapping |
Β 73%
Level 2: 60%+
NEET - 2023
Hints
Given below are two statements : One is labelled as Assertion (A) and the other is labelled Reason (R):
In the light of the above statements, choose the most appropriate answer from the options given below:
| Assertion (A): | The first stage of gametophyte in the life cycle of moss is protonema stage. |
| Reason (R): | Protonema develops directly from spores produced in capsule. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Β Bryophytes |
Β 68%
Level 2: 60%+
NEET - 2023
Hints
Among eukaryotes, replication of DNA takes place in:
| 1. | G2 Phase |
| 2. | M phase |
| 3. | S phase |
| 4. | G1 phase |
Subtopic: Β Intro to Cell Cycle & Interphase |
Β 92%
Level 1: 80%+
NEET - 2023
Hints
What is the function of the ears in the corn cob?
| 1. | To protect seeds | 2. | To attract insects |
| 3. | To trap pollen grains | 4. | To disperse pollen grains |
Subtopic: Β Pollination & Outbreeding Devices |
Β 79%
Level 2: 60%+
NEET - 2023
Hints
In the equation
GPP is Gross Primary Productivity. NPP is net Primary Productivity. R here is ___________
1. Reproductive allocation
2. Photosynthetically active radiation
3. Respiratory quotient
4. Respiratory loss
GPP is Gross Primary Productivity. NPP is net Primary Productivity. R here is ___________
1. Reproductive allocation
2. Photosynthetically active radiation
3. Respiratory quotient
4. Respiratory loss
Subtopic: Β Ecosystem Productivity |
Β 89%
Level 1: 80%+
NEET - 2023
Hints
Which hormone promotes internode / petiole elongation in deep water rice?
| 1. | 2, 4-D | 2. | GA3 |
| 3. | Kinetin | 4. | Ethylene |
Subtopic: Β Ethylene |
Β 70%
Level 2: 60%+
NEET - 2023
Hints
Axile placentation is observed in:
1. China rose, Petunia and Lemon
2. Mustard, Cucumber and Primrose
3. China rose, Beans and Lupin
4. Tomato, Dianthus and Pea
1. China rose, Petunia and Lemon
2. Mustard, Cucumber and Primrose
3. China rose, Beans and Lupin
4. Tomato, Dianthus and Pea
Subtopic: Β Flower & Parts of Flower |
Β 83%
Level 1: 80%+
NEET - 2023
Hints
The process of appearance of recombination nodules occurs at which sub stage of prophase I in meiosis?
| 1. | Diakinesis | 2. | Zygotene |
| 3. | Pachytene | 4. | Diplotene |
Subtopic: Β Cell Cycle: Meiosis I |
Β 80%
Level 1: 80%+
NEET - 2023
Hints
The thickness of ozone in a column of air in the atmosphere is measured in terms of :
| 1. | Kilobase | 2. | Dobson unit |
| 3. | Decibels | 4. | Decameter |
Subtopic: Β Ozone Layer Depletion |
Β 79%
Level 2: 60%+
NEET - 2023
Hints
Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below :
1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
| Statement I: | The forces generated by transpiration can lift a xylem-sized column of water over 130 meters height. |
| Statement II: | Transpiration cools leaf surfaces sometimes 10 to 15 degrees, by evaporative cooling. |
1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: Β Transpiration & Guttation |Β Photosynthesis Transpiration Compromise & Mineral Translocation |
Β 69%
Level 2: 60%+
NEET - 2023
Hints
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