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प्रश्न
In the diagram given in Figure 12.2 label the parts marked (a), (b) and (c).
उत्तर
In the given diagram
(a) is a pollen grain,
(b) is pollen tube and
(c) is zygote.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false :
Spores produced by the bread mould plant are actually its seeds.
Name the artificial propagation method used for the propagation of rose plants
The micro-organism which reproduces by multiple fission is the one which causes the disease known as :
(a) Kala-azar
(b) marasmus
(c) malaria
(d) amoebiasis
A tiny animal having tentacles which reproduces by growing buds on the sides of its body is :
(a) Planaria
(b) Yeast
(c) Amoeba
(d) Hydra
The following figure illustrates binary fission in Amoeba in an incorrect sequence.
The correct sequence is
(A) III, II, IV, I
(B) III, IV, II, I
(C) II, III, IV, I
(D) IV, III, II, I
Give the name of the plant that reproduces vegetatively by: Stem-cutting
Give the name of the plant that reproduces vegetatively by: Grafting
How is plant hybridisation carried out?
What determines whether the two organisms of a species will be exactly similar or not?
Which of the following options shows two plants in which new plantlets arise from the same organ?
