1.
Plants produced through vegetative propagation are called clones.
2.
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 |
4.
The most significant feature of vegetative propagation is that
5.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
7.
Vegetative propagation in Pistia occurs by
8.
There is no natural death in single celled organisms like Amoeba and bacteria because-
9.
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 |
11.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
14.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
16.
The terms homothallic and monoecious are used to denote
17.
In animals, juvenile phase is followed by-
19.
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
20.
Mitotic cell divisions occur during embryo-genesis.