Which one of the following never occurs during mitotic cell division?
| 1. | Coiling and condensation of chromatids |
| 2. | Spindle fibres attach to Kinetochores of chromosomes |
| 3. | Movement of centrioles towards opposite poles |
| 4. | Pairing of homologous chromosomes |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
81%
Level 1: 80%+
NEET - 2022
Hints
Which one of the following statements cannot be connected to Predation?
| 1. | It is necessitated by nature to maintain the ecological balance . |
| 2. | It helps in maintaining species diversity in a community. |
| 3. | It might lead to the extinction of a species. |
| 4. | Both the interacting species are negatively impacted. |
Subtopic: Population Interactions: Predation |
77%
Level 2: 60%+
NEET - 2022
Hints
Which one of the following plants does not show plasticity?
1. Maize
2. Cotton
3. Coriander
4. Buttercup
1. Maize
2. Cotton
3. Coriander
4. Buttercup
Subtopic: Development |
85%
Level 1: 80%+
NEET - 2022
Hints
The flowers are Zygomorphic in:
a. Mustard
b. Gulmohar
c. Cassia
d. Datura
e. Chilly
Choose the correct answer from the options given below:
a. Mustard
b. Gulmohar
c. Cassia
d. Datura
e. Chilly
Choose the correct answer from the options given below:
| 1. | c, d, e only | 2. | a, b, c only |
| 3. | b, c only | 4. | d, e only |
Subtopic: Flower & Parts of Flower |
83%
Level 1: 80%+
NEET - 2022
Hints
Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis?
It involves:
It involves:
| 1. | Reduction of NADP to NADPH2 on the stroma side of the membrane |
| 2. | Breakdown of proton gradient |
| 3. | Breakdown of electron gradient |
| 4. | Movement of protons across the membrane to the stroma |
Subtopic: Chemiosmotic hypothesis |
74%
Level 2: 60%+
NEET - 2022
Hints
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): | Polymerase chain reaction is used in DNA amplification. |
| Reason (R): | The ampicillin resistant gene is used as a selectable marker to check transformation. |
| 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: Selectable Markers: I | Polymerase Chain Reaction: PCR |
77%
Level 2: 60%+
NEET - 2022
Hints
Habitat loss and fragmentation, over-exploitation, alien species invasion and co-extinction are causes for :
1. Natality
2. Population explosion
3. Competition
4. Biodiversity loss
1. Natality
2. Population explosion
3. Competition
4. Biodiversity loss
Subtopic: Loss of Biodiversity |
93%
Level 1: 80%+
NEET - 2022
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below :
| Statement I: | The primary \(CO_2\) acceptor in \(C_4\) plants is phosphoenolpyruvate and is found in the mesophyll cells. |
| Statement II: | Mesophyll cells in \(C_4\) plants lack RuBisCO enzyme. |
| 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: C4 Cycle (Hatch & Slack Pathway) |
82%
Level 1: 80%+
NEET - 2022
Hints
Identify the incorrect statement related to Pollination:
| 1. | Moths and butterflies are the most dominant pollinating agents among insects |
| 2. | Pollination by water is quite rare in flowering plants |
| 3. | Pollination by wind is more common amongst abiotic pollination |
| 4. | Flowers produce foul odours to attract flies and beetles to get pollinated |
Subtopic: Pollination & Outbreeding Devices |
79%
Level 2: 60%+
NEET - 2022
Hints
Hydrocolloid carrageen is obtained from:
1. Phaeophyceae only
2. Chlorophyceae and Phaeophyceae
3. Phaeophyceae and Rhodophyceae
4. Rhodophyceae only
1. Phaeophyceae only
2. Chlorophyceae and Phaeophyceae
3. Phaeophyceae and Rhodophyceae
4. Rhodophyceae only
Subtopic: Algae |
73%
Level 2: 60%+
NEET - 2022
Hints
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