Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A):
Ascending limb of the loop of Henle is impermeable to water and allows transport of electrolytes actively or passively.
Reason (R):
Dilution of filtrate takes place due to efflux of electrolytes in the medullary fluid
In light of the above statements, choose the correct answer from the options given below:
1.
(A) is True, (R) is False
2.
(A) is False, (R) is True
3.
Both (A) and (R) are True and (R) is the correct explanation of (A)
4.
Both (A) and (R) are True but (R) is not the correct explanation of (A)
Subtopic: Function of the tubules |
Level 3: 35%-60%
NEET - 2023
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The Cockroach is:
1. Ammonotelic only
2. Uricotelic only
3. Ureotelic only
4. Ureotelic and Uricotelic
1. Ammonotelic only
2. Uricotelic only
3. Ureotelic only
4. Ureotelic and Uricotelic
Subtopic: Cockroach: Excretory System |
78%
Level 2: 60%+
NEET - 2023
Hints
Which of the following statements are correct with respect to the hormone and its function?
Choose the most appropriate answer from the options given below:
| A: | Thyrocalcitonin (TCT) regulates the blood calcium level |
| B: | In males, FSH and androgens regulate spermatogenesis |
| C: | Hyperthyroidism can lead to goitre |
| D: | Glucocorticoids are secreted in Adrenal Medulla |
| E: | Parathyroid hormone is regulated by circulated levels of sodium ions |
| 1. | (C) and (E) only | 2. | (A) and (B) only |
| 3. | (B) and (C) only | 4. | (A) and (D) only |
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II | Adrenal Cortex: Cortisol | Gonadotropin & Gonadal Hormones |
77%
Level 2: 60%+
NEET - 2023
Hints
Select the sequence of steps in respiration.
Choose the correct answer from the options given below:
| (A) | Diffusion of gases (O2 and CO2) across alveolar membrane |
| (B) | Diffusion of O2 and CO2 between blood and tissues |
| (C) | Transport of gases by the blood |
| (D) | Pulmonary ventilation by which atmospheric air is drawn in and CO2 rich alveolar air is released out |
| (E) | Utilisation of O2 by the cells for catabolic reactions and resultant release of CO2 |
| 1. | (D), (A), (C), (B), (E) | 2. | (C), (B), (A), (E), (D) |
| 3. | (B), (C), (E), (D), (A) | 4. | (A), (C), (B), (E), (D) |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
83%
Level 1: 80%+
NEET - 2023
Hints
Which of the following is/are cause(s) of biodiversity losses?
1. Over-exploitation, habitat loss and fragmentation
2. Climate change only
3. Over-exploitation only
4. Habitat loss and fragmentation only
1. Over-exploitation, habitat loss and fragmentation
2. Climate change only
3. Over-exploitation only
4. Habitat loss and fragmentation only
Subtopic: Loss of Biodiversity |
91%
Level 1: 80%+
NEET - 2023
Hints
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Contractile vacuole | (I) | Asterias |
| (B) | Water vascular system | (II) | Amoeba |
| (C) | Canal system | (III) | Spongilla |
| (D) | Flame cells | (IV) | Taenia |
Choose the correct answer from the options given below:
| Options: | (A) | (B) | (C) | (D) |
| 1. | (IV) | (II) | (I) | (III) |
| 2. | (I) | (III) | (II) | (IV) |
| 3. | (III) | (II) | (I) | (IV) |
| 4. | (II) | (I) | (III) | (IV) |
Subtopic: Phylum Porifera | Phylum Ctenophora | Phylum Echinodermata |
86%
Level 1: 80%+
NEET - 2023
Hints
Match List - I with List - II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Palm bones | (I) | Phalanges |
| (B) | Wrist bones | (II) | Metacarpals |
| (C) | Ankle bones | (III) | Carpals |
| (D) | Digit bones | (IV) | Tarsals |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | III | I | IV |
| 2. | IV | I | II | III |
| 3. | III | IV | I | II |
| 4. | II | III | IV | I |
Subtopic: Appendicular Skeleton |
85%
Level 1: 80%+
NEET - 2023
Hints
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Non-medicated IUDs | (I) | Multiload 375 |
| (B) | Copper releasing IUDs | (II) | Rubber barrier |
| (C) | Hormone releasing IUDs | (III) | Lippes loop |
| (D) | Vaults | (IV) | LNG-20 |
Choose the correct answer from the options given below:
| Options: | (A) | (B) | (C) | (D) |
| 1. | (IV) | (III) | (I) | (II) |
| 2. | (II) | (IV) | (III) | (I) |
| 3. | (III) | (I) | (IV) | (II) |
| 4. | (III) | (IV) | (II) | (I) |
Subtopic: Contraception: Barrier Methods & IUDs |
90%
Level 1: 80%+
NEET - 2023
Hints
Which of the following can act as molecular scissors?
1. Restriction enzymes
2. DNA ligase
3. RNA polymerase
4. DNA polymerase
1. Restriction enzymes
2. DNA ligase
3. RNA polymerase
4. DNA polymerase
Subtopic: Restriction Enzymes - Main Enzymes |
94%
Level 1: 80%+
NEET - 2023
Hints
Select the correct statements about sickle cell anemia:
Choose the correct answer from the options given below:
| A: | There is a change in the gene for beta-globin |
| B: | In beta-globin, there is a valine in place of Lysine |
| C: | It is an example of point mutation |
| D: | In the normal gene, U is replaced by A |
Choose the correct answer from the options given below:
| 1. | (B), (C) and (D) only | 2. | (B) and (D) only |
| 3. | (A), (B) and (D) only | 4. | (A) and (C) only |
Subtopic: Mendelian Disorders: Sickle Cell Anemia |
83%
Level 1: 80%+
NEET - 2023
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