Advertisements
Advertisements
प्रश्न
Explain the terms 'cross-pollination'?
Advertisements
उत्तर
In cross pollination, pollens from the anther of one flower are transferred to the stigma of the another flower of another plant but of the same species.
APPEARS IN
संबंधित प्रश्न
A student identified the various parts of an embryo of a gram seed and listed them as given below :
(I) Testa
(II) Plumule
(III) Radicle
(IV) Cotyledon
(V) Tegmen
Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) II, IV, V
What is the function of a flower?
What is the name of female organ of a flower (other than carpel)?
Fill in the following blank with suitable word :
The term used to refer to the transfer of pollen from the stamen of one flower to the carpel of another flower of the same species is...........
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
What is made in ovary of a flower?
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
Define.
Inflorescence
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
Which of the following are the chemical components of the wall of pollen tube?
Sperm and egg nuclei fuse due to ______.
Flowers showing ornithophily show few characteristic like ______.
What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
The seed that contains the future plant is called the ______
Pollen grains are produced by ______
Which out of the following processes does not lead to the formation of clones.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
