Florist sprinkled a plant hormone to prevent wilting of leaves. Name the hormone he must have used. Give two more examples of plant hormones and also write their functions.
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Which one of the following is an insectivorous plant? (a) Passion flower plant (b) Pitcher plant
(b) Pitcher plant is an insectivorous plant. It feeds on living creatures including insects and small mammals. These plant attracts the prey with a smell of rotting meat. The victim...
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In a democracy, each adult citizen must have ----------------- and each vote must have ---------
The answer is (A) One vote, one value
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You must have read about cells and DNA in your science books. Discuss Richard Ebright’s work in the light of what you have studied.
Ebrights’ works are directly related to Biology. Discovery of cell’s structure has helped scientific community to understand how the organisms function and grow. This has also helped other scientists to discover...
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Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long ? Give reasons for your answer.
This plant will not remain healthy for a long time because : (i) It will not get oxygen for respiration. (ii) It will not get carbon dioxide for photosynthesis. (iii) Upward movement of...
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List in tabular form three differences in the movement of leaves of a Touch-me-not plant (the plant of Mimosa family)
S. No. Mimosa Leaves Tendril (i) Growth independent response. Growth-dependent response. (ii) It is a fast process. It is a slow process. (iii) It is non-directional It is directional
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Name the disorder caused by following situations (i) Under secretion of growth hormone. (ii) Over secretion of growth hormone.
(i) Dwarfism (ii) Tallness (iii) Diabetes (iv) Goitre
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Name the type of company which must have a minimum paid up capital of 5 lacks, (a) Public Company
(a) Public Company
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This part of utility software is used to prevent phosphor burning on computer monitors by blanking the screen with moving images.
(d) Screensavers fill the computer screen with moving images or patterns, when the computer is not in use.
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Oil is sprinkled on sea waves to calm them. Why?
Since the surface tension of sea-water without oil is greater than the oily water, therefore the water without oil pulls the oily water against the direction of breeze, and sea...
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What is used to identify, prevent and take action against malicious programs, such as viruses and worms, by deactivating or deleting them?
Antivirus is used to identify, prevent and take action against malicious programs such as viruses and worms, by deactivating or deleting them.
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