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प्रश्न
How does an Amoeba reproduce? Describe the process of reproduction in Amoeba with the help of labelled diagrams of different stages in its reproduction process.
उत्तर
The cell of an Amoeba after attaining its maximum size starts dividing. The nucleus of the cell divides first, followed by the cytoplasm. Thus, a single cell divides into two identical cells.
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संबंधित प्रश्न
Vegetative propagation takes place with the help of leaves in _________ plant.
Yeast reproduces by _________.
(a) spore formation
(b) multiple fission
(c) fragmentation
(d) budding
What is metamorphosis?
Mention the common method of reproduction in Mucor.
After observing the prepared slides of binary fission in Amoeba and budding in yeast following observations were reported:
(a) Single cells of Amoeba and yeast were undergoing binary fission and budding respectively.
(B) Cytokinesis was observed in the yeast cell.
(C) Elongated nucleus was dividing to form two daughter nuclei in Amoeba.
(D) A chain of buds were observed due to reproduction in Amoeba.
The correct observation(s) is/are:
(A) a and c
(B) b only
(C) c and d
(D) d, a and c
From the following diagrams, select the correct ones showing stages of binary fission in Amoeba:
(A) I, II, III
(B) IV, II, III
(C) V, II, III
(D) IV, I, III
Define vegetative propagation. List its two methods.
How is plant hybridisation as a technique beneficial?
Grafting is not possible in the monocots because they
Name the three types of asexual reproduction in unicellular organisms.
