1.
Identify the correct sequence of events.
2.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
3.
There is no natural death in single celled organisms like Amoeba and bacteria because-
4.
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 |
5.
Vegetative propagation in Pistia occurs by
7.
In papaya and date palm, both male and female flowers are present on the same plant.
8.
There are various types of reproduction. The type of reproduction adopted by an organism depends on
9.
Plants produced through vegetative propagation are called clones.
10.
The most significant feature of vegetative propagation is that
11.
The terms homothallic and monoecious are used to denote
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.
Sugarcane is propagated by
18.
External fertilisation occurs in majority of
19.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because-
20.
In animals, juvenile phase is followed by-
