Read the following statements and identify the characters related to the alga shown in the diagram:
Choose the correct answer from the options given below :
| (a) | It is a member of Chlorophyceae |
| (b) | Food is stored in the form of starch |
| (c) | It is a monoecious plant showing oogonium and antheridium |
| (d) | Food is stored in the form of laminarin or mannitol |
| (e) | It shows dominance of pigments chlorophyll a, c and Fucoxanthin. |
Choose the correct answer from the options given below :
| 1. | (a) and (b) only | 2. | (a), (b) and (c) only |
| 3. | (a), (c) and (d) only | 4. | (c), (d) and (e) only |
Subtopic: Â Chlorophyceae: Green Algae |
 57%
Level 3: 35%-60%
NEET - 2022
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Which of the following methods is not commonly used for introducing foreign DNA into the plant cell?
| 1. | Agrobacterium mediated transformation |
| 2. | Gene gun |
| 3. | 'Disarmed pathogen' vectors |
| 4. | Bacteriophages |
Subtopic: Â Tools |
 56%
Level 3: 35%-60%
NEET - 2022
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How many secondary spermatocytes are required to form 400 million spermatozoa ?
| 1. | 50 million | 2. | 100 million |
| 3. | 200 million | 4. | 400 million |
Subtopic: Â Spermiogenesis/Sperm Structure/Hormonal Regulation |
 63%
Level 2: 60%+
NEET - 2022
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Select the Incorrect statements with respect to Cyclostomes :
Choose the most appropriate answer from the options given below :
| (a) | They lack scales and paired fins. |
| (b) | They have circular mouth with Jaws. |
| (c) | They bear 6-15 pairs of gills. |
| (d) | They migrate to deep sea for spawning. |
Choose the most appropriate answer from the options given below :
| 1. | (a) and (b) only | 2. | (b) and (c) only |
| 3. | (b) and (d) only | 4. | (a) and (d) only |
Subtopic: Â Phylum Chordata |
 60%
Level 2: 60%+
NEET - 2022
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Bivalent or Tetrad formation is a characteristic feature observed during :
1. Synaptonemal complex in zygotene stage
2. Chiasmata in Diplotene stage
3. Synaptonemal complex in Pachytene stage
4. Chiasmata in zygotene stage
1. Synaptonemal complex in zygotene stage
2. Chiasmata in Diplotene stage
3. Synaptonemal complex in Pachytene stage
4. Chiasmata in zygotene stage
Subtopic: Â Cell Cycle: Meiosis I |
 66%
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 most appropriate answer from the options given below :
| Assertion (A): | During pregnancy, the level of thyroxine is increased in the maternal blood. |
| Reason (R): | Pregnancy is characterised by metabolic changes in the mother. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Fetal Development & Parturition |
 65%
Level 2: 60%+
NEET - 2022
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A normal girl, whose mother is haemophilic marries a male with no ancestral history of haemophilia. What will be the possible phenotypes of the offsprings ?
Choose the most appropriate answer from the options given below :
| (a) | Haemophilic son and haemophilic daughter. |
| (b) | Haemophilic son and carrier daughter. |
| (c) | Normal daughter and normal son. |
| (d) | Normal son and haemophilic daughter. |
Choose the most appropriate answer from the options given below :
| 1. | (a) and (b) only | 2. | (b) and (c) only |
| 3. | (a) and (d) only | 4. | (b) and (d) only |
Subtopic: Â Mendelian Disorders |
 68%
Level 2: 60%+
NEET - 2022
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