Select the incorrect statement:
| 1. | Human males have one of their sex-chromosome much shorter than the other. |
| 2. | Male fruit fly is heterogametic. |
| 3. | In male grasshoppers, 50% of sperms have no sex chromosome. |
| 4. | In domesticated fowls, the sex of progeny depends on the type of sperm rather than the egg. |
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 |
Which of the following is a commercial blood cholesterol-lowering agent?
| 1. | Lipase | 2. | Cyclosporin A |
| 3. | Statin | 4. | Streptokinase |
The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. Aristotle
2. Rudolf Virchow
3. Theodor Schwann
4. Schleiden
What is the genetic disorder in which an individual has an overall masculine development gynaecomastia, and is sterile?
1. Down's syndrome
2. Turner's syndrome
3. Klinefelter's syndrome
4. Edward syndrome
Which of the following is true for Golden rice?
| 1. | It has yellow grains, because of gene introduced from a primitive variety of rice |
| 2. | It is Vitamin A enriched, with a gene from daffodil |
| 3. | It is pest resistant, with a gene from Bacillus thuringiensis |
| 4. | It is drought tolerant, developed using Agrobacterium vector |
1. Earthworm, Pinworm, Tapeworm
2. Prawn, Scorpion, Locusta
3. Sponge, Sea anemone, Starfish
4. Malarial parasite, Amoeba, Mosquito
Which of the following Bt crops is being grown in India by the farmers?
| 1. | Cotton | 2. | Brinjal |
| 3. | Soybean | 4. | Maize |
Which of the following sexually transmitted diseases is not completely curable?
| 1. | Chlamydiosis | 2. | Gonorrhoea |
| 3. | Genital warts | 4. | Genital herpes |
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) |
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