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प्रश्न
Cytoplasm : Cytokinesis : : Nucleus : __________
उत्तर
Cytoplasm : Cytokinesis : : Nucleus : Karyokinesis
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संबंधित प्रश्न
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
(i) What aspect of photosynthesis was being tested?
(ii) Why was the plant placed in the dark before beginning the experiment?
(iii) During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
(iv) Write a balanced chemical equation to represent the process of photosynthesis.
(v) Draw a neat diagram of a chloroplast and label its parts.
Give biological explanations for Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered.
Distinguish between the following:
Photosynthesis and photophosphorylation.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis occurs in underground organs as well as in aerial ones.
If the rate of respiration becomes more than the rate of photosynthesis, plants will:
Name the following:
The category of organisms that prepare their own food from basic raw materials.
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
What is the law of limiting factors?
Give technical term:
Organisms which cannot prepare their own food by photosynthesis.
Complete the following sentence with appropriate word:
A plant that does not perform photosynthesis is _______.
Choose the correct option.
Energy is transferred from the light reaction step to the dark reaction step by ______.
State whether true or false. If false, correct the statement.
When the weather is hot, water evaporates lesser which is due to opening of stomata.
Mesophyll contains chlorophyll.
During photosynthesis, plants exhale ______.
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.
| Stimulus | Light | Gravity |
| Shoot | + | - |
| Root | ? | + |
Mention four factors required for photosynthesis?
