False fruit in an apple is formed from
(1) receptacle
(2) thalamus
(3) peduncle
(4) petals.
During formation of which of the following free nuclear division occurs?
(1) Flower
(2) Endosperm
(3) Gametes
(4) Fruit
Pollen grains are shed at which stage?
(1) 2 celled
(2) 3 celled
(3) Usually at 2-celled, but sometimes 3-celled
(4) Single celled stage
Edible part of apple is the
(1) thalamus
(2) mesocarp
(3) epicarp
(4) endocarp
Which of these is a diploid structure ?
(1) Pollen grains
(2) Egg
(3) Megaspore
(4) MMC
Seed of castor is
(1) non-endospermic, exalbuminous
(2) endospermic albuminous
(3) endospermic exalbuminous
(4) non-endospermic albuminous.
Ubisch bodies are secreted from
(1) ovule
(2) tapetum
(3) both of these
(4) none of these
Aleurone layer is
(1) haploid
(2) diploid
(3) triploid
(4) tetraploid
Pollination by bat is called
(1) ornithophily
(2) chitopteriphily
(3) malacophily
(4) anemophily
Cross pollination in true genetic sense is
(1) allogamy
(2) cleistogamy
(3) geitonogamy
(4) autogamy