Mating between two individuals related by descent is:
A) Selfing
B) Inbreeding
C) Outbreeding
D) Maintenance of population
Megaspore mother cell produces four megaspores out of which usually:
A) Only one megaspore is functional and the remaining three megaspores abort
B) Two megaspores are functional and the remaining two megaspores abort
C) Three megaspores are functional and the fourth megaspore aborts
D) All the four megaspores are functional
Meiosis is essential for the organism for:
A) Inducing polyploidy
B) Growth of the organism
C) Keeping the number of chromosomes constant from one generation to the other
D) Increasing the number of cells
Meiosis occurs in:
A) Generative cells
B) Vegetative cells
C) Both (a) and (b)
D) All of the above
The categories of seeds which is required to buy afresh every time?
A) Variety
B) Hybrid
C) Synthetic
D) Composite
Microsporogenesis occurs in:
A) Roots
B) Stems
C) Anthers
D) Ovules
Multiline varieties are mixtures of:
A) Several morphologically different plants having identical disease resistance genes
B) Bulked progenies of different inbred lines
C) Several similar pure lines having different genes for disease resistance
D) Morphologically identical plants with different genetic make-up

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