1.
Identify the correct sequence of events.
3.
The most significant feature of vegetative propagation is that
4.
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
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 |
8.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
9.
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
11.
The terms homothallic and monoecious are used to denote
13.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
15.
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 |
17.
Mitotic cell divisions occur during embryo-genesis.
18.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because-
19.
There is no natural death in single celled organisms like Amoeba and bacteria because-
20.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
