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प्रश्न
The swollen basal part of the ______ pistil is the which bears the ______.
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उत्तर
The swollen basal part of the ovary pistil is the which bears the ovules.
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संबंधित प्रश्न
Formalin, Iodine, DDT, Lime
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.
- What aspect of photosynthesis was being tested?
- Why was the plant placed in the dark before beginning the experiment?
- During the starch test why was the leaf
- boiled in water
- boiled in methylated spirit
- Write a balanced chemical equation to represent the process of photosynthesis.
- Draw a neat diagram of a chloroplast and label its parts.
An experiment was set up as shown in the figure alongside. Look at the figure and answer the following questions:
( i) What is the objective of this experiment?
( ii ) Which plant is used in this experiment?
( iii ) Which gas is evolved in this process?
( iv ) What will happen to the rate of evolution of this gas if a pinch of sodium
bicarbonate is added?
(v ) What will happen if the apparatus is kept in dark?
Name the following:
The tissue that transports manufactured type of starch from leaves to all parts of the plants.
Give technical term:
In photosynthesis radiant energy is converted into which from?
______ is positively hydrotropic as well as positively geotropic.
The raw materials for photosynthesis are ______ and ______.
Plants utilize only ______% of the absorbed water for photosynthesis and the other activities.
Mention four factors required for photosynthesis?
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
