2.
In papaya and date palm, both male and female flowers are present on the same plant.
3.
There is no natural death in single celled organisms like Amoeba and bacteria because-
4.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
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 |
9.
Gametes are always haploid and gametogenesis always involves meiosis.
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 |
12.
Vegetative propagation in Pistia occurs by
17.
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
18.
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
19.
Sugarcane is propagated by
