Choose the correct statement about a muscular tissue :
| 1. | Skeletal muscle fibres are uninucleated and found in parallel bundles. |
| 2. | Intercalated discs allow the cardiac muscle cells to contract as a unit. |
| 3. | The walls of blood vessels are made up of columnar epithelium. |
| 4. | Smooth muscles are multinucleated and involuntary |
Subtopic: Cardiac Muscle & Smooth Muscle |
82%
Level 1: 80%+
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 most appropriate answer from the options given below :
| Assertion (A): | Spirulina is a microbe that can be used for reducing the environmental pollution. |
| Reason (R): | Spirulina is a rich source of protein, carbohydrates, fats, minerals, and vitamins. |
| 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. |
Level 3: 35%-60%
NEET - 2022
Hints
Arrange the components of mammary gland. (from proximal to distal)
Choose the most appropriate answer from the options given below :
1. (c) → (a) → (d) → (e) → (b)
2. (b) → (c) → (e) → (d) → (a)
3. (c) → (e) → (a) → (d) → (b)
4. (e) → (c) → (d) → (b) → (a)
| (a) Mammary duct | (b) Lactiferous duct | (c) Alveoli |
| (d) Mammary ampulla | (e) Mammary tubules | |
1. (c) → (a) → (d) → (e) → (b)
2. (b) → (c) → (e) → (d) → (a)
3. (c) → (e) → (a) → (d) → (b)
4. (e) → (c) → (d) → (b) → (a)
Subtopic: Mammary Gland & Lactation |
73%
Level 2: 60%+
NEET - 2022
Hints
Select the incorrect match regarding the symbols used in Pedigree analysis:
| 1. | .svg.svg) |
Sex unspecified |
| 2. | .svg.svg) |
Affected individual |
| 3. | .svg.svg) |
Consanguineous mating |
| 4. | .svg.svg) |
Parent with male child affected with disease |
Subtopic: Pedigree Analysis: Basics |
86%
Level 1: 80%+
NEET - 2022
Hints
Why CNG is considered better fuel than diesel?
Choose the most appropriate answer from the options given below
| (a) | It cannot be adulterated |
| (b) | It takes less time to fill the fuel tank |
| (c) | It burns more efficiently |
| (d) | It is cheaper |
| (e) | It is less inflammable. |
Choose the most appropriate answer from the options given below
| 1. | (a), (b), (c), (e) only | 2. | (a), (c), (d) only |
| 3. | (a), (b), (d), (e) only | 4. | (c), (d), (e) only |
Subtopic: Air Pollution |
79%
Level 2: 60%+
NEET - 2022
Hints
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: Tools |
56%
Level 3: 35%-60%
NEET - 2022
Hints
Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.
| 1. | Medulla | 2. | Pons |
| 3. | Thalamus | 4. | Cerebrum |
Subtopic: Respiratory System: Regulation of Respiration |
86%
Level 1: 80%+
NEET - 2022
Hints
How many secondary spermatocytes are required to form 400 million spermatozoa ?
| 1. | 50 million | 2. | 100 million |
| 3. | 200 million | 4. | 400 million |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
63%
Level 2: 60%+
NEET - 2022
Hints
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: Phylum Chordata |
60%
Level 2: 60%+
NEET - 2022
Hints
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: Cell Cycle: Meiosis I |
66%
Level 2: 60%+
NEET - 2022
Hints
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