1.
Mitotic cell divisions occur during embryo-genesis.
2.
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
5.
Match the terms in Column I with the organisms in Column II.
| Column I | Column II |
| A. Fragmentation | 1. Pistia |
| B. Binary fission | 2. Spirogyra |
| C. Bulbils | 3. Saccharomyces |
| D. Budding | 4. Paramoecium |
| | 5. Agave |
6.
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
8.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
9.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
11.
Vegetative propagation in Pistia occurs by
12.
Identify the correct sequence of events.
14.
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 |
16.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
18.
External fertilisation occurs in majority of
20.
Sugarcane is propagated by
