MEDIUM
Earn 100
Draw the diagram of hemianatropous ovule.
Important Questions on Sexual Reproduction in Flowering Plants
EASY
In the majority of angiosperms:
EASY
Geitonogamy involves
HARD
Which one of the following statements is not true?
EASY
In Angiosperms, microsporogenesis and megasporogenesis:
EASY
Filiform apparatus is characteristic features of:
EASY
Function of filiform apparatus is to:
EASY
Pollen tablets are available in the market for:
MEDIUM
Choose the correct statement.
A) Several hormonal and structural changes are initiated for the development of floral primordium.
B) Each anther will have two sporangia at the sides.
C) Stomium will be useful for the dehiscence of pollen sacs.
D) Pollen grains can be stored at .
E) Pollen viability in rice will be days.
EASY
The ovule of an angiosperm is technically equivalent to
EASY
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by
EASY
The body of the ovule is fused within the funicle at
EASY
Which one of the following statements is not true?
EASY
Ubisch bodies are produced from ___.
EASY
Functional megaspore in an angiosperm develops into:
EASY
If we explore anther wall from outside to inside then which sequence will be correct?
A- Endothecium
B- Tapetum
C- Epidermis
D- Middle Layer
MEDIUM
Arrange the correct order stages for monosporic development of female gametophyte in angiosperms.
I) Functional megaspore
II) Free nuclear divisions
III Embryo sac
IV) Linear tetrad of megaspore
V) Megaspore mother cell
MEDIUM
Assertion Xenogamy involves transfer of pollen grains from the flower of one plant to the stigma of another plant.
Reason This is the only type of pollination which brings genetically different types of pollen grains to the stigma.
The correct answer is:
EASY
Attractants and rewards are required for:
EASY
Which one of the following may require pollinators, but is genetically similar to autogamy?
EASY
Male gametophyte in angiosperms produces :
