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प्रश्न
Name the following : Thread like non-reproductive structures present in Rhizopus.
उत्तर
The thread-like non-reproductive structures in Rhizopus are known as hyphae.
संबंधित प्रश्न
Name two plants which are propagated by layering method.
What is meant by regeneration? Name two animals which can regenerate fully from their cut body parts.
An organism which may be considered to be a kind of plant and reproduces by budding is :
(a) Paramecium
(b) Bread mould
(c) Hydra
(d) Yeast
APlanaria worm is cut horizontally in the middle into two halves P and Q such that the part P contains the whole head of the worm. Another Planaria worm is cut vertically into two halves R and s in such a way that both the cut pieces R and S contain half head each. Which of the cut pieces of the twoPlanaria worms could regenerate to form the complete respective worms?
(a) only P
(b) only R and S
(c) P, R and S
(d) P, Q, R and S
There are four tiny organisms A, B, C and D. The organism A is a parasitic protozoan which causes a disease known as kala-azar. The organism B is a microscopic single-celled animal which causes malaria disease in human beings. The organism C is a unicellular animal which can change its body shape according to need, it has no fixed shape. The organism D is also a unicellular animal which is slipper-shaped having a large number of tiny hair all around its body.
(a) Name the organisms A, B, C and D
(b) Name one characteristic body feature of organism A.
(c) Name the insect which carries organism B and transmits it from one person to another.
(d) What name is given to the asexual method of reproduction of (i) organism A, and (ii) organism B?
(e) Where do organisms C and D live?
Following diagrams were drawn by different student on having seen prepared slides of budding in yeast.
Correct diagrams are
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) I, IV, V
What is fragmentation in organisms?
List two observations on the basis of which it may be concluded that the given slide shows binary fission in Amoeba.
- Which type of reproduction is indicated in the following diagram?
- Redraw the given type of reproduction in the correct sequence and explain it.
The part of a seed which is a source of food during germination of seed is ______.
