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प्रश्न
Name the three types of asexual reproduction in unicellular organisms.
उत्तर
- Binary fission
- Multiple fission
- Budding
APPEARS IN
संबंधित प्रश्न
Write two differences between binary fission and multiple fission in a tabular form.
How the process of regeneration in Planaria process different from reproduction?
Describe reproduction by spores in Rhizopus
Name the asexual method of reproduction in yeast.
Name the asexual method of reproduction in Plasmodium.
Name two plants which are propagated by layering method.
Fill in the following blank with suitable word :
Vegetative reproduction of potato plants is done by using ............
How does binary fission differ from multiple fission?
Can you consider cell division as a type of reproduction in unicellular organisms? Give reason.
What is a 'cutting' in respect of plants for propagation purposes?
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)
Vegetative propagation refers to the formation of new plants from the following existing organs of the old plants :
(a) stems, roots and flowers
(b) stems, roots and leaves
(c) stems, flowers and fruits
(d) stems, leaves and flowers
An organism having a whip-like structure at one end which reproduces by the process of binary fission is :
(a) Hydra
(b) Paramecium
(c) Leishmania
(d) Plasmodium
Briefly explain why a gardener prefers to grow certain plants vegetatively?
Write a short note on Grafting.
State whether the following statement is true (T) or false (F):
Reproduction by spores is a method of asexual reproduction.
State whether the following statement is true (T) or false (F):
A whole new plant can grow from the eye of a tuber.
Find the odd-one out, giving reason.
Cutting, grafting, layering, binary fission.
Define the following:
Vegetative reproduction
Define the following:
Binary fission
Mention the common method of reproduction in Gladiolus.
Describe the advantages of vegetative reproduction.
A student after observing a slide showing different stages of binary fission in Amoeba draws the following diagrams. However these diagrams are not in proper sequence:
The correct sequence is:
(A) I, V, IV, III, II
(B) I, III, IV, V, II
(C) I, V, III, IV, II
(D) I, IV, V, III, II
After viewing different slides, a student draws following diagrams. Select the one which depicts binary fission in Amoeba:
(A) a
(B) b
(C) c
(D) d
What is fragmentation in organisms?
What is meant by vegetative propagation? Name the vegetative parts through which Potato and Bryophyllum reproduce.
Rewrite the following statement by selecting the correct option.
When Hydra becomes matured, _________ takes place in it.
Write four lines on the following: Grafting
Name the parts of the plants used to grow following flower: Gladiolus
Give the name of the plant that reproduces vegetatively by: Grafting
The plants produced as a result of vegetative reproduction are
Why anther is called as tetrasporangiate structure?
What is protandry?
Distinguish between the following.
Binary fission and Multiple fission
A piece of wet bread or bhakri kept in a humid place for 2-3 days, then
- What will you observe?
- State the scientific name of the living organism and write its characteristics.
Asexual reproduction in yeast is ______.
In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called ______
In an asexually reproducing species, if a trait X exists in 5% of a population and trait Y exists in 70% of the same population, which of the two trait is likely to have arisen earlier? Give reason.
Explain with the help of a labelled diagram, the process of reproduction in Hydra by budding. Name the cells used for reproduction in this process.
