Which of the following disorders represents decrease in respiratory surface due to damaged alveolar walls ?
| 1. | Hypocapnia | 2. | Bronchitis |
| 3. | Asthma | 4. | Emphysema |
Which of the following is correct statement ?
| 1. | Actin and regulatory proteins are located in thin filament. |
| 2. | Z-lines anchor myosin (thick) filament to the ends of the sarcomere. |
| 3. | Sarcoplasmic reticulum stores acetylcholine. |
| 4. | Myosin cross bridges contain calcium binding sites. |
The hormone releasing IUDs among the following are:
| (a) | Multiload 375 |
| (b) | LNG - 20 |
| (c) | Progestasert |
| (d) | Lippe's loop |
| (e) | Vaults |
Choose the most appropriate answer from the options given below :
| 1. | (a) and (d) only | 2. | (c) and (e) only |
| 3. | (a) and (b) only | 4. | (b) and (c) only |
The term 'Blue Revolution' is related with :
| 1. | Various crop plants and their by products |
| 2. | Development of water reservoirs |
| 3. | Honey and its by-products |
| 4. | Fishery industry |
Which of the following is/are vegetative propagule(s)?
| (a) | Eyes of Potato |
| (b) | Zoospore of Chlamydomonas |
| (c) | Rhizome of Ginger |
| (d) | Buds in Hydra |
| (e) | Bulbil of Agave |
Choose the most appropriate answer form the options given below :
| 1. | (e) only | 2. | (a), (c), (e) only |
| 3. | (a), (b), (c), (d) only | 4. | (b), (d) only |
In Drosophila, the genes for color of body and color of eyes are situated on _______.
| 1. | both the sex chromosomes | 2. | autosomes |
| 3. | Y-chromosome | 4. | X-chromosome |
Given below are two statements :
| Statement - I : | Membrane-bound organelles of the endomembrane system coordinate cellular functions. |
| Statement - II : | Mitochondria and chloroplasts are not considered a part of the endomembrane system. |
In the light of the above statements, choose the most appropriate 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 |
With respect to nucleosome, Which of the following statements is incorrect ?
| 1. | Nucleosome contains 120 bp of DNA helix |
| 2. | Nucleosomes are seen as 'beads' on string' under Electron Microscope |
| 3. | DNA is wrapped around positively charged histone octamer to form nucleosome. |
| 4. | Nucleosome it the repeating unit of chromatin |
In a reaction catalyzed by an enzyme, which of the following statements is correct ?
| 1. | Enzymes decrease the activation energy for formation of transition state. |
| 2. | Enzymes make transition form substrate to product more difficult. |
| 3. | Enzymes increase the activation energy for formation of transition state. |
| 4. | Enzyme-substrate complex formed during a reaction lasts for a very long time. |
Which one of the following hormones reduces the blood pressure?
| 1. | Antidiuretic hormone | 2. | Atrial Natriuretic factor |
| 3. | Aldosterone | 4. | Angiotensin-II |
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