In some plants, the female gamete develops into an embryo without fertilization. This phenomenon is known as:
| 1. | Parthenogenesis | 2. | Autogamy |
| 3. | Parthenocarpy | 4. | Syngamy |
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
1. Salmonella typhi/Widal test
2. Plasmodium vivax/UTI test
3. Streptococcus pneumoniae/Widal test
4. Salmonella typhi/Anthrone test
Expressed Sequence Tags (ESTs) refers to:
| 1. | Novel DNA sequence | 2. | Genes expressed as RNA |
| 3. | Polypeptide expression | 4. | DNA polymorphism |
Match the following hormones with the respective disease:
| (a) | Insulin | (i) | Addison's disease |
| (b) | Thyroxin | (ii) | Diabetes insipidus |
| (c) | Corticoids | (iii) | Acromegaly |
| (d) | Growth Hormone | (iv) | Goitre |
| (v) | Diabetes mellitus |
Select the correct option.
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (v) | (i) | (ii) | (iii) |
| 3. | (ii) | (iv) | (iii) | (i) |
| 4. | (v) | (iv) | (i) | (iii) |
Which of the following factors is responsible for the formation of concentrated urine?
| 1. | Hydrostatic pressure during glomerular filtration. |
| 2. | Low levels of antidiuretic hormone. |
| 3. | Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys. |
| 4. | Secretion of erythropoietin by Juxtaglomerular complex. |
Select the hormone-releasing Intra-Uterine Devices.
| 1. | Lippes Loop, Multitoad 375 |
| 2. | Vaults, LNG-20 |
| 3. | Multiload 375, Progestasert |
| 4. | Progestasert, LNG-20 |
Match the following organism with their respective characteristics:
| Column-I | Column-II | ||
| (a) | Pila | (i) | Flame cells |
| (b) | Bombyx | (ii) | Comb plates |
| (c) | Pleurobrachia | (iii) | Radula |
| (d) | Taenia | (iv) | Malpighian tubules |
Select the correct option from the following:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (ii) | (iv) | (i) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (ii) | (iv) | (iii) | (i) |
Which of the following sexually transmitted diseases is not completely curable?
| 1. | Chlamydiosis | 2. | Gonorrhoea |
| 3. | Genital warts | 4. | Genital herpes |
The drug called 'Heroin' is synthesized by:
| 1. | nitration of morphine | 2. | methylation of morphine |
| 3. | acetylation of morphine | 4. | glycosylation of morphine |
What is the site of perception of photoperiod necessary for induction of flowering in plants?
1. Leaves
2. Lateral buds
3. Pulvinus
4. Shoot apex