A certain patient, X, is suspected to be suffering from acquired immune deficiency syndrome. Which diagnostic technique will you recommend for its detection?
| 1. | MRI | 2. | Ultra Sound |
| 3. | WIDAL | 4. | ELISA |
Which one of the following statements is correct for secondary succession?
| 1. | It occurs on a deforested site |
| 2. | It follows primary succession |
| 3. | It is similar to primary succession except that it has a relatively slow pace |
| 4. | All of the above |
1. egg
2. synergid
3. zygote
4. suspensor
Which one of the following pairs of gases are the cause of 'Greenhouse effect'?
1.
2.
3.
4.
| 1. | UNEP - United Nations Environmental Policy |
| 2. | EPA - Environmental Pollution Agency |
| 3. | IUCN -International Union for Conservation of Nature and Natural Resources |
| 4. | IPCC -International Panel for Climate Change |
| 1. | It shows the energy content of different trophic-level organisms |
| 2. | It is inverted in shape |
| 3. | It is upright in shape |
| 4. | Its base is broad |
Match the source gland with its respective hormone as well as the function.
| Source gland |
Hormone | Function | |
| (a) | Posterior pituitary |
Vasopressin | Stimulates reabsorption of water in the distal tubules in the nephron |
| (b) | Corpus luteum |
Prolactin | Supports pregnancy |
| (c) | Thyroid | Thyroxine | Regulates blood calcium level |
| (d) | Anterior pituitary |
Oxytocin | Contraction of uterus muscles during childbirth |
1. (a)
2. (b)
3. (c)
4. (d)
| 1. | Adiantum | 2. | Marchantia |
| 3. | Pinus | 4. | Polytrichum |