Read the following statements A & B and choose the correct option :
Statement A: Asexual reproduction is a fast process.
Statement B: Progeny of sexually reproducing organisms shows variations due to crossing over.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
1. | it reproduces asexually at a phenomenal rate making it an invasive species in water bodies. |
2. | it is very damaging competitor to the jute crop in West Bengal. |
3. | it produces secondary metabolites such as cardiac glycosides causing death of cattle feeding on it. |
4. | it flowers once in a decade and when it does it produces a lot of toxins in aquatic bodies. |
Vegetative propagule | Example | |
1. | Eye | Ginger |
2. | Bulbil | Agave |
3. | Leaf buds | Bryophyllum |
4. | Offset | Water hyacinth |
The given image shows:
1. Chara
2. Marchantia
3. Sphagnum
4. Lycopodium
1. | Encystation and multiple fission | Amoeba |
2. | Buds | Hydra |
3. | Gemmules | Cnidarians |
4. | Conidia | Penicillium |