1.
Identify the correct sequence of events.
2.
Mark the odd one in each of the following groups.
Earthworms, Sponges, Cockroaches, Tapeworms.
3.
Vegetative propagation in Pistia occurs by
4.
Mitotic cell divisions occur during embryo-genesis.
5.
The most significant feature of vegetative propagation is that
6.
The terms homothallic and monoecious are used to denote
7.
Bony fishes, bryophytes and pteridophytes show internal fertilisation.
9.
In papaya and date palm, both male and female flowers are present on the same plant.
12.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because-
13.
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
15.
Gametes are always haploid and gametogenesis always involves meiosis.
17.
Sugarcane is propagated by
19.
There is no natural death in single celled organisms like Amoeba and bacteria because-