Which of the following disorders represents decrease in respiratory surface due to damaged alveolar walls?
| 1. | Hypocapnia | 2. | Bronchitis |
| 3. | Asthma | 4. | Emphysema |
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 from 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
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. |
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 is 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 blood pressure?
1. Antidiuretic hormone
2. Atrial Natriuretic factor
3. Aldosterone
4. Angiotensin-II
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