1.
Plants produced through vegetative propagation are called clones.
2.
Vegetative propagation in Pistia occurs by
3.
The terms homothallic and monoecious are used to denote
4.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
8.
Mitotic cell divisions occur during embryo-genesis.
9.
There is no natural death in single celled organisms like Amoeba and bacteria because-
11.
External fertilisation occurs in majority of
12.
Identify the correct sequence of events.
14.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
16.
A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has
19.
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 |
20.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because-
