Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are_____________.
| 1. | Lysosomes | 2. | Centrosomes |
| 3. | Mitochondria | 4. | Ribosomes |
Level 4: Below 35%
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Ecological pyramids represent the relationship between the organisms at different trophic levels 3 and they are generally inverted for :
| 1. | Pyramid of number in grassland. |
| 2. | Pyramid of energy in pond ecosystem. |
| 3. | Pyramid of biomass in grassland. |
| 4. | Pyramid of biomass in sea. |
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Arrange the following events occurring in Renin-Angiotensin mechanism in the correct order:
Choose the correct answer from the options given below:
| A. | Increase in blood pressure and Glomerular filtration rate. |
| B. | Reabsorption of \(Na^+\) and water from distal parts of tubule due to Aldosterone. |
| C. | Fall in Glomerular filtration rate. |
| D. | Vasoconstriction by Angiotensin II and release of Aldosterone. |
| E. | Renin converts Angiotensin II. |
Choose the correct answer from the options given below:
| 1. | A, C, E, B, D | 2. | C, A, B, D, E |
| 3. | A, D, B, E, C | 4. | C, E, D, B, A |
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Choose the correct statements regarding population interactions between two species.
Choose the correct answer from the options given below:
| A. | In both parasitism and commensalism, only one species benefits and the other species is harmed. |
| B. | Both species benefit in mutualism. |
| C. | Both species benefit in commensalism. |
| D. | In parasitism, only one species benefits and the other species is harmed |
| E. | In amensalism, one species is harmed and the other is unaffected. |
| 1. | A and B only | 2. | B and E only |
| 3. | B, D and E only | 4. | A and D only |
Level 4: Below 35%
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In which animal do haploid cells divide mitotically to produce gametes ?
| 1. | Male honeybees | 2. | Male grasshoppers |
| 3. | Male earthworms | 4. | Male frogs |
Level 4: Below 35%
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In humans, respiration occurs in the following steps. Arrange these steps in the correct order.
Choose the correct answer from the options given below :
| A. | Diffusion of \(O_2\) and \(CO_2\) between blood and tissues |
| B. | Diffusion of \(O_2\) and \(CO_2\) across alveolar membrane |
| C. | Pulmonary ventilation by which atmospheric air is drawn in and \(CO_2\) rich alveolar air is released out |
| D. | Cellular respiration |
| E. | Transport of gases by the blood |
Choose the correct answer from the options given below :
| 1. | A, B, C, D, E | 2. | C, A, B, E, D |
| 3. | C, B, E, A, D | 4. | E, A, C, D, B |
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The following reaction depicts the activity of a particular class of enzymes :
X Y
| |
C - C E \(\xrightarrow{\mathrm{E}}\) X- Y + C = C
(Substrate) (Product) (Product)
Identify the enzyme class 'E' from the following options :
1. Isomerases
2. Ligases
3. Transferases
4. Lyases
X Y
| |
C - C E \(\xrightarrow{\mathrm{E}}\) X- Y + C = C
(Substrate) (Product) (Product)
Identify the enzyme class 'E' from the following options :
1. Isomerases
2. Ligases
3. Transferases
4. Lyases
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Match List I with List II :
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV
2. A-III, В-II, C-IV, D-I
3. A-II, B-III, C-IV, D-I
4. A-IV, B-III, С-II, D-I
| List I (Bioactive molecules) |
List II (Importance) |
||
| A. | Streptokinase | I. | Immunosuppressive agent |
| B. | Statins | II. | Removal of clots from the blood vessels |
| C. | Lipases | III. | Blood cholesterol-lowering agent |
| D. | Cyclosporin A | IV. | Detergent formulations |
1. A-II, B-III, C-I, D-IV
2. A-III, В-II, C-IV, D-I
3. A-II, B-III, C-IV, D-I
4. A-IV, B-III, С-II, D-I
Level 4: Below 35%
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Which of the following equations depicts Verhulst-Pearl logistic population growth ?
1. \(\dfrac{dN}{dt} = rN \left(\frac{K-N}{K}\right )~\)
2. \(\dfrac{dN}{dt} = rN \left(\frac{K+N}{K}\right )~\)
3. \(\dfrac{dN}{dt} = rN \left(\frac{K}{K-N}\right )~\)
4. \(\dfrac{dN}{dt} = rN \left(\frac{K-N}{N}\right )~\)
1. \(\dfrac{dN}{dt} = rN \left(\frac{K-N}{K}\right )~\)
2. \(\dfrac{dN}{dt} = rN \left(\frac{K+N}{K}\right )~\)
3. \(\dfrac{dN}{dt} = rN \left(\frac{K}{K-N}\right )~\)
4. \(\dfrac{dN}{dt} = rN \left(\frac{K-N}{N}\right )~\)
Level 4: Below 35%
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Arrange the following cell layers/structures around the female gamete, from outer to inner side:
A. Zone pellucida
B. Perivitelline space
C. Corona radiata
D. Plasma membrane of ovum
Choose the correct answer from the options given below:
1. D, B, A, C
2. A, C, B, D
3. C, A, D, B
4. C, A, B, D
A. Zone pellucida
B. Perivitelline space
C. Corona radiata
D. Plasma membrane of ovum
Choose the correct answer from the options given below:
1. D, B, A, C
2. A, C, B, D
3. C, A, D, B
4. C, A, B, D
Level 4: Below 35%
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