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प्रश्न
Choose the correct alternative and rewrite the following:
Fermentation is a type of ____________________.
विकल्प
aerobic respiration
anaerobic respiration
exothermic reaction.
none of the above.
उत्तर
anaerobic respiration
APPEARS IN
संबंधित प्रश्न
Label the parts (1) and (2) in budding of yeast cell.
Students were asked to observe the permanent slides showing different stages of budding in yeast under high power of a microscope.
(A) Which adjustment screw (coarse/fine) were you asked to move to focus the slides?
(B) Draw three diagrams in correct sequence showing budding in yeast.
Describe briefly how regeneration is carried out in multicellular organisms like Hydra.
What is multiple fission?
Name one organism which exhibits multiple fission type of reproduction.
Explain how non-reproductive structures protect themselves and what is the function of the structures released from the 'blobs' in Rhizopus.
What is metamorphosis?
which can be grown from their leaves.
Name two plants which are usually propagated by artificial propagation methods. Name the method of artificial propagation used in each case.
Name one organism which reproduces by fission and another which reproduces by fragmentation.
Describe the grafting method for the artificial propagation of plants with the help of labelled diagrams.
An animal which reproduces by the process of budding is :
(a) Plasmodium
(b) yeast
(c) Hydra
(d) Planaria
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
When the branches of a plant growing in the field are pulled towards the ground and a part of them is covered with moist soil (leaving the tips of the branches exposed above the ground), then after some time new roots develop from the parts of branches buried in the soil. On cutting these branches from the parent plant, new plants are produced from the cut parts of branches which had developed roots.
(a) What is this method of propagation of plants known as?
(b) What type of branches should a plant have to be able to be propagated by this method?
(c) Name any two plants which are grown for their flowers and propagated by this method.
(d) Name any two plants which are grown for their fruits and propagated by this method
(e) Name one plant which gets propagated by this method naturally by forming runners (soft horizontal stems running above the ground).
Put a tick mark (✓) against the correct alternative in the following statement
Grafting is a method of:
With the help of suitable diagram, describe Budding in yeast cell.
Multiple choice question. Tick (✓) the correct choice:
Reproduction or propagation by stem is common in
- begonia
- potato
- sweet potato
- Bryophyllum
Fill in the blank:
Yeast cells reproduce by ________.
Describe the various methods 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
Describe regeneration in Planaria with the help of a suitable diagram.
In hydra the type of reproduction is ___________.
Write four lines on the following: Grafting
Give the name of the plant that reproduces vegetatively by: Grafting
The form of vegetative reproduction of plants where seeds are formed without fusion of gametes is called
Name the hormone produced by unfertilised ovary responsible for enlargement of ovary into fruit.
Which of the following is not a type of asexual reproduction in multicellular organisms?
Find an odd one out.
Define.
Vegetative propagation
Identify the reason because of which cambium is essential for grafting in plants.
A feature of reproduction that is common to Amoeba, Yeast, and Spirogyra is that ______
In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called ______
In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Amoeba reproduced by fission.
Reason: All unicellular organisms are reproduced by the asexual method.
In Spirogyra, asexual reproduction takes place by
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.
Vegetative reproduction of Agave occurs through ______.
The part of a seed which is a source of food during germination of seed is ______.
