The process of formation of fruit without fertilization is called:
Apomixis
Polyembryony
Parthenogenesis
Parthenocarpy
Related Questions
Tallest flowering tree is
Pinus
Cedrus
Sequoia
Eucalyptus
In the angiosperm life cycle, the ##sporophyte## is responsible for producing:
(a) Gametes
(b) Spores
(c) Seeds
(d) Flowers
Gametes
Spores
Seeds
Flowers
The organism which can fix atmosphere and releases as by product is
Rhizobium
Rhodospirillum
Wolffia
Chlorobium
Angiospermic plants are characterised byI. double fertilisationII. triploid endospermIII. Diploid endospermChoose the correct option from the following regarding above statements
I and II are correct
I and III are correct
II and III are correct
I, II and III are correct
After fertilisation the ovaries develop into
Fruit
Seed coats
Seed
Integuments
Tallest flowering tree is
Pinus
Cedrus
Sequoia
Eucalyptus
The cells which do not degenerate after fertilization in 15
I) Synergids II) Antipodals III) Egg Cell IV) Secondary Nucleus
The Correct answer is
I,II
II,III
III,IV
I,IV
In majority of angiosperms
a small central cell is present in the embryo sac
egg has a filiform apparatus
there are numerous antipodal cells
reduction division occurs in the megaspore mother cells
Number of Male gametes released from pollen tube into the embryosac is
4
3
2
1
In most angiosperms, what is the dominant life cycle stage?
Gametophyte
Sporophyte
Spore
Zygote
