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प्रश्न
How does binary fission differ from multiple fission?
उत्तर १
In binary fission, the parental cell divides into two daughter cells. In multiple fission, the parent organism keeps on dividing for innumerable times giving rise to many offsprings.
उत्तर २
| Binary fission | Multiple fission |
| 1. The nucleus divides into two parts. | 1. The nucleus divides into many parts. |
| 2. It gives rise to new individuals. | 2. It gives rise to many individuals. |
| 3. Cytoplasm divides after each nuclear division. | 3. Cytoplasm does not divide after every nuclear division. |
| 4. eg. Amoeba. | 4. eg. Plasmodium. |
संबंधित प्रश्न
Differentiate between 'stem tuber' and 'tuberous root'.
Label the parts (1) and (2) in budding of yeast cell.
Name two simple organisms having the ability of regeneration.
Name the following : Thread like non-reproductive structures present in Rhizopus.
How will an organism be benefited if it reproduces through spores?
Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration?
Fertilisation is necessary even in asexual reproduction.
Name the artificial propagation method used for the propagation of rose plants
Can you consider cell division as a type of reproduction in unicellular organisms? Give reason.
Name two fruit trees which are usually propagated by grafting method.
One of the following organisms does not reproduce by binary fission. This is :
(a) Amoeba
(b) Plasmodium
(c) Leishmania
(d) Paramecium
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
One of the following reproduces by forming spores. This in :
(a) Fern
(b) Planaria
(c) Spirogyra
(d) Potato
Stock and scion are involved in the artificial propagation method known as :
(a) tissue culture
(b) layering
(c) grafting
(d) cuttings
Fill in the blank:
Budding is a kind of _________ reproduction.
Fill in the blank:
Binary fission produces cells of ________ size.
State whether the following statement is true (T) or false (F):
Reproduction by spores is a method of asexual reproduction.
Differentiate between the following:
Binary fission and budding
Mention the common method of reproduction in Ferns.
Mention the common method of reproduction in Bougainvillea.
Describe the advantages of vegetative reproduction.
What is regeneration in organism?
Draw a labelled diagram in proper sequence to show budding in hydra.
Name four plants which can be propagated by root-cutting
Give the name of the plant that reproduces vegetatively by: Stem-cutting
What do you understand by hybridisation?
How is vegetative propagation economically important?
By which of the following egg in female gametophyte is accompanied?
Which of the following statements is/are true for sexual reproduction in plants?
(i) Plants are obtained from seeds.
(ii) Two plants are always essential.
(iii) Fertilisation can occur only after pollination.
(iv) Only insects are agents of pollination.
Choose from the options given below.
