One of the following organisms does not reproduce by budding. This is
Sponge
Yeast
Hydra
Planaria
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
(i) and (iii)
(ii) and (iv)
(i) and (ii)
How many gametes enter into the ovule at a time?
one gamete
two male gametes
three male gametes
four male gametes
Name the cyclical changes which occur during the development from a fertilized egg to an adult.
Cell reproduction
Metamorphosis
Fertilization
Propagation
A multicellular organism reproducing asexually by regeneration is:
Aspergillus
Cockroach
The technique of producing entire plants from a few plant cells.
Grafting
Vegetative Propagation
Micropropagation
Budding
Name the common method used in plants like jasmine and strawberry for propagation.
Stem cutting
Mound layering
Air layering
Root cutting
The two organisms which can regenerate fully from their cut body parts are
Paramecium and Hydra
Hydra and Amoeba
Planaria and Leishmania
Hydra and Planaria
Asexual reproduction through budding takes place in(i) Amoeba and Yeast (ii) Yeast and Hydra (iii) Hydra and plasmodium (iv) Corals and Sponges
only (ii)
(i) and (iv)
In the list of organisms given below, those which reproduce by the asexual method are(i) banana (ii) yak (iii) yeast (iv) amoeba
(i),(iii) and (iv)
(ii), (iii) and (iv)
