Small aquatic animals produce large number of gametes in surrounding water
1. to enhance the chances of syngamy
2. to produce large number of offspring
3. offspring are extremely vulnerable to predators threatening their survival
4. Both 1 and 3

Every sexually reproducing organism, including human beings begin life as a _________ called zygote.
1. Single cell
2. Double cell one from each parent
3.Blastopore
4. Megaspore

Strobilanthus kunthiana (neelakuranji), flowers once in _______ years.
1. 10
2. 20
3. 12
4. 16

Planaria possess high capacity of
1. Regeneration
2.Bioluminescence
3.Metamorphosis
4.Alternation of generation

Which one of the following statement is not correct?
1. In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem
2.Water hyacinth, growing in standing water, drains oxygen that led to death of fishes
3.Offspring produced by asexual reproduction are called clones
4.microscopic, motile asexual reproductive structures are called zoospore
Plantlet always arise from node of stem. While these arise from axillary buds present in nodes.

Which is not a method of vegetative propagation
1.Micro propagation
2.Budding
3.Sowing
4.Layering

Asexually produced organism inheriting all the character of parent is
1.Offspring
2.Clone
3.Variety
4.Hybrid

Binary fission is a type of
1.Nuclear fragmentation
2.Vegetative propagation
3.Sexual reproduction
4.Asexual reproduction

Natural parthenogenesis occur in
1.Housefly
2.Drosophila
3.Honey bee
4.All

Out of the following which two method yield genetically similar plants
1. Stem cutting
2. Seed production
3. Mutation
4. Tissue culture
1.1 and 2
2.1 and 4
3.2 and 3
4.3 and 4