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प्रश्न
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
विकल्प
True
False
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उत्तर
This statement is false.
Explanation:
Ice cold water will hamper the process of photosynthesis in the immersed leaf, even if there is sufficient sunshine, because temperature is an important factor in the rate of photosynthesis.
संबंधित प्रश्न
Formalin, Iodine, DDT, Lime
The figure given below represents the vertical section of a leaf.
( i) Name the parts labeled 1 to 5.
( ii ) What do the two arrows (dotted and solid) indicate in the daytime and at night?
( iii) Could you add one more arrow in the figure? If yes, what for?
( iv) How many leaf veins have been shown in this section?
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.
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.
Producers and consumers (mode of nutrition)
How do non-green plants such as fungi and bacteria obtain their nourishment?
Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.
Give technical term:
Name the tissue that transports manufactured starch from the leaves to all parts of the plant.
Name the plant part
- Which bends in the direction of gravity but away from the light.
- Which bends towards light but away from the force of gravity.
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Producers : Autotrophs : : Consumers : ______
