Every sexually reproducing organism, including human beings begin life as a _________ called zygote.
A. Single cell
B. Double cell one from each parent
C.Blastopore
D. Megaspore
Strobilanthus kunthiana (neelakuranji), flowers once in _______ years.
A. 10
B. 20
C. 12
D. 16
Vegetative phase in plants is same as ___________ in animal.
A. Sexual phase
B. Juvenile phase
C. Reproductive phase
D. Syngamy phase
Which is not a method of vegetative propagation
A.Micro propagation
B.Budding
C.Sowing
D.Layering
Isogamy is found in
A.Plasmodium
B.Hydra
C. Monocystis
D.Planaria
Asexually produced organism inheriting all the character of parent is
A.Offspring
B.Clone
C.Variety
D.Hybrid
In vegetative propagation by tuber, which of the following remains constant through generations
A.Morphology
B.Vigour
C.Morphology, vigour and disease resistance
D.Both morphology and Vigour
Binary fission is a type of
A.Nuclear fragmentation
B.Vegetative propagation
C.Sexual reproduction
D.Asexual reproduction
Natural parthenogenesis occur in
A.Housefly
B.Drosophila
C.Honey bee
D.All
Out of the following which two method yield genetically similar plants
A. Stem cutting
B. Seed production
C. Mutation
D. Tissue culture
1. A and B
2. A and D
3. B and C
4. C and D