2.
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
3.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
4.
External fertilisation occurs in majority of
5.
Plants produced through vegetative propagation are called clones.
7.
The most significant feature of vegetative propagation is that
8.
Vegetative propagation in Pistia occurs by
9.
Match the asexual reproductive structures in Column I with the organisms in Column II
| Column I | Column II |
| A. Conidia | 1. Chiamydomonas |
| B. Gemmules | 2. Hydra |
| C. Zoospores | 3. Penicillium |
| D. Buds | 4. Sponges |
| | 5. Banana |
10.
Identify the correct sequence of events.
11.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because-
12.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
13.
Sugarcane is propagated by
14.
In animals, juvenile phase is followed by-
17.
Mitotic cell divisions occur during embryo-genesis.
20.
Gametes are always haploid and gametogenesis always involves meiosis.
