Which of the following is not a secondary metabolite?
1.
Curcumin
2.
Morphine
3.
Anthocyanin
4.
Lecithin
Subtopic: Primary & Secondary Metabolites |
72%
Level 2: 60%+
NEET - 2023
Hints
Arrange the sequence of different hormones for their role during gametogenesis:
Choose the correct answer from the options given below:
| A. | Gonadotropin LH stimulates synthesis and secretion of Androgen |
| B. | Gonadotropin releasing hormone from hypothalamus |
| C. | Androgen stimulates spermatogenesis |
| D. | Gonadotropin FSH helps in the process of spermiogenesis |
| E. | Gonadotropins from anterior pituitary gland |
| 1. | (E), (A), (D), (B), (C) | 2. | (C), (A), (D), (E), (B) |
| 3. | (B), (E), (A), (C), (D) | 4. | (D), (B), (A), (C), (E) |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
81%
Level 1: 80%+
NEET - 2023
Hints
Subtopic: Taxonomy 3: From Family to Classification of Some Organisms |
85%
Level 1: 80%+
NEET - 2023
Hints
Select incorrect statement, regarding chemical structure of insulin:
| 1. | Mature insulin molecule consists of three polypeptide chains - A, B and C. |
| 2. | Insulin is synthesized as prohormone which contains extra stretch of C-peptide. |
| 3. | C-peptide is not present in mature insulin molecule. |
| 4. | Polypeptide chains A and B are linked to disulphide bridges. |
Subtopic: Med Applications & Humulin |
87%
Level 1: 80%+
NEET - 2023
Hints
Subtopic: Intro to Cell Cycle & Interphase |
96%
Level 1: 80%+
NEET - 2023
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
| Statement I: | RNA being unstable, it mutates at a faster rate |
| Statement II: | RNA can directly code for synthesis of proteins hence can easily express the characters. |
1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: DNA vs RNA as Genetic Material |
87%
Level 1: 80%+
NEET - 2023
Hints
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)
In light of the above statements, choose the correct answer from the options given below:
| 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 |
| 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
Hints
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 |
77%
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
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