1.
Vegetative propagation in Pistia occurs by
2.
Sugarcane is propagated by
3.
The terms homothallic and monoecious are used to denote
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
7.
Mitotic cell divisions occur during embryo-genesis.
8.
Identify the correct sequence of events.
9.
External fertilisation occurs in majority of
10.
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 |
11.
The most significant feature of vegetative propagation is that
13.
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 |
14.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
15.
Plants produced through vegetative propagation are called clones.
17.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
19.
In papaya and date palm, both male and female flowers are present on the same plant.
20.
Gametes are always haploid and gametogenesis always involves meiosis.