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प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement
Grafting is a method of:
विकल्प
Artificial vegetative propagation
Sexual reproduction
Artificial pollination
Cross-pollination
उत्तर
Artificial vegetative propagation
APPEARS IN
संबंधित प्रश्न
Differentiate between 'stem tuber' and 'tuberous root'.
Yeast reproduces by _________.
(a) spore formation
(b) multiple fission
(c) fragmentation
(d) budding
Name one organism which reproduces by spore formation
Name the artificial propagation mehod used for the propagation of apple trees.
State two advantages of grafting method of artificial propagation of plants.
A multicellular organism which reproduces by budding is :
(a) Amoeba
(b) Yeast
(c) Leishmania
(d) Hydra
The factors responsible for the rapid spreading of bread mould on slices of bread are :
(i) presence of large number of spores in air
(ii) presence of large number of thread-like branched hyphae
(iii) presence of moisture and nutrients
(iv) formation of round shaped sporangia
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (iii) and (iv)
A small part of the shoot of a plant is removed with a sharp knife. When the lower end of this small part of the shoot is buried in moist soil, it gradually develops roots and shoots and grows to become a new plant.
(a) What is the name of this method of propagating plants?
(b) What care should be taken while removing a small part of the shoot from the parent plant with a knife?
(c) Name any two plants which provide us with food directly or indirectly and are grown by this method.
(d) Give one advantage of this method of producing new plants.
(e) State whether it is a sexual method of reproduction or an asexual method. Why?
(f) What special name can be given to the genetically identical new plants produced by this technique?
Define the following:
Binary fission
List in tabular form two differences between binary fission and multiple fission.
