3.
The most significant feature of vegetative propagation is that
4.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
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 |
7.
Plants produced through vegetative propagation are called clones.
9.
In papaya and date palm, both male and female flowers are present on the same plant.
10.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
12.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
13.
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
14.
External fertilisation occurs in majority of
16.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because-
17.
The terms homothallic and monoecious are used to denote
20.
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 |