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प्रश्न
Asexual reproduction occurs by __________ cell division.
पर्याय
mitotic
meiotic
fertilization
double fertilization
उत्तर
Asexual reproduction occurs by mitotic cell division.
APPEARS IN
संबंधित प्रश्न
…………. is a mode of asexual reproduction.
(a) Cloning
(b) Budding
(c) Pollination
(d) Germination
Explain the term “Regeneration” as used in relation to reproduction of organisms
What is multiple fission?
Study the following diagrams showing various stages of binary fission in Amoeba:
The correct sequence of these diagrams should be:
(A) I, IV, III, II, V
(B) I, III, IV, II, V
(C) I, II, IV, III, V
(D) I, II, III, IV, V
Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration?
What is metamorphosis?
State two disadvantages of vegetative propagation?
Name two plants which can be grown from their broken stems.
What is meant by regeneration? Name two animals which can regenerate fully from their cut body parts.
State two advantages of grafting method of artificial propagation of plants.
Name any four types of ornamental plants which are being produced by tissue culture technique.
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)
Asexual reproduction through budding takes place in :
(i) Amoeba and Yeast
(ii) Yeast and Hydra
(iii) Hydra and Plasmodium
(iv) Corals and Sponges
(a) (i) and (ii)
(b) only (ii)
(c) (i) and (iii)
(d) (ii) and (iv)
The thread like structures that develop on a moist slice of bread in Rhizopus are ______.
Fill in the blank:
The amount of cytoplasm in the parent cell is _____ than the amount in the bud.
State whether the following statement IS true (T) or false (F):
Asexual reproduction is more common than the sexual reproduction.
Define the following:
Vegetative reproduction
Define the following:
Budding
Mention the common method of reproduction in Mosses.
Mention the common method of reproduction in Ginger.
Mention the common method of reproduction in Gladiolus.
Mention the common method of reproduction in Rose.
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
In which of the following figures is budding not shown?
(A) I
(B) II
(C) III
(D) IV
What is regeneration in organism?
Choose the correct alternative and rewrite the following:
Ramesh observed a slide of Amoeba with elongated nuclei. It would represent _______________.
What do you understand by hybridisation?
How is plant hybridisation as a technique beneficial?
The plants produced as a result of vegetative reproduction are
Find an odd one out.
What determines whether the two organisms of a species will be exactly similar or not?
Which of the following methods of asexual reproduction are observed in lower organisms?
The ability of an organism to develop a whole body from a broken piece or fragment is called ______
In Spirogyra, asexual reproduction takes place by ______
In Figure, the parts A, B and C are sequentially
Match the columns:
| Column A (Asexual) | Column B (Examples) | ||
| (a) | Spore formation | (1) | Spirogyra |
| (b) | Conidia formation | (2) | Yeast |
| (c) | Fragmentation | (3) | Chlamydomonas |
| (d) | Budding | (4) | Penicillium |
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.
