Q. No.Which among the following is immortal
1.
Sea algae
2.
Amoeba
3.
Plants grown by vegetative propagation
4.
Every living organism is mortal
The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase. In non-primate mammals it is known as
| 1. | Oestrus cycle |
| 2. | Menstrual cycle |
| 3. | Reproductive cycle |
| 4. | Sexual cycle |
There are various types of reproduction. The type of reproduction adopted by an organism depends on:
| 1. | The habitat and morphology of the organism |
| 2. | Morphology of the organism |
| 3. | Morphology and physiology of the organism |
| 4. | The organism’s habitat, physiology and genetic makeup |
Non-flagellate spores are called conidia. In which organism they are seen?
1. Penicillium
2. Hydra
3. Chlamydomonas
4. Amoeba
Development of zygote taking place outside the body is called?
| 1. | Viviparous | 2. | Oviparous |
| 3. | Omnivorous | 4. | Surrogacy |
Parthenogenesis is the development of an organism directly from:
| 1. | Female gametes |
| 2. | Vegetative cells |
| 3. | Fertilized ovum |
| 4. | None |
In which of the following, gametes are released in the surrounding medium
1. Fishes
2. Amphibians
3. Earthworm
4. Both A and B
If the gametes are similar in their appearance they are called as
| 1. | Anisogametes | 2. | Isogametes |
| 3. | Homogametes | 4. | Both B and C |
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