1.
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
2.
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 |
5.
The most significant feature of vegetative propagation is that
6.
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
7.
Plants produced through vegetative propagation are called clones.
9.
In animals, juvenile phase is followed by-
11.
Vegetative propagation in Pistia occurs by
13.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because-
14.
The terms homothallic and monoecious are used to denote
15.
In papaya and date palm, both male and female flowers are present on the same plant.
16.
There is no natural death in single celled organisms like Amoeba and bacteria because-
18.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
19.
There are various types of reproduction. The type of reproduction adopted by an organism depends on