A knife, which is used to cut a fruit, was immediately dipped into water containing drops of blue litmus solution. The colour of the solution changes to red, what is the nature of the fruit?
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Give an example of a metal which (i) is a liquid at room temperature. (ii) can be easily cut with a knife. (iii) is the best conductor of heat.
(i) Metal that exists in liquid state at room temperature → Mercury (ii) Metal that can be easily cut with a knife → Sodium, Potassium (iii) Metal that is the best conductor...
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In a bisexual flower of the young stamens being removed, the flower produces fruit. Provide a suitable explanation .
The pistil is intact. Cross pollination has occurred leading to fertilisation and formation of fruit.
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A fruit basket can hold 224 fruit. If there are 4 rows in a tray, then how many columns are there?
56 fruit in a column
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In order to meet the ever-increasing demand in factories and for shelter, trees are being continually cut. Is it justified to cut
No. It is not at all justified to cut trees to meet the ever increasing demands of human population. Forests are the habitat of several organisms including wild animals. They...
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Why is apple called a false fruit? Which part(s) of the flower forms the fruit?
Fruits derived from the ovary and other accessory floral parts are called false fruits. On the contrary, true fruits are those fruits which develop from the ovary, but do not...
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'Fertilisation is not an obligatory event for fruit production in certain plants'. Explain the statement.
Yes, it is observed in parthenocarpic fruits. The ‘seedless fruits’ that are available in the market such as pomegranate, grapes etc., are infact good examples. Flowers of these plants are...
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Explain, Some alkali metals can be cut with a knife.
Some alkali can be cut with a knife because they are very soft and have low densities.
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In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. How is it possible?
This is because the pistil is intact due to which cross-pollination takes place leading to fertilisation and formation of fruit.
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A heater coil is cut into two equal parts and only one part is now used in the heater.
Sir/ mam why did we use V2/R ...can't we use I2R here??
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If Jessica bought oranges for Rs.75 and she paid Rs.100 to fruit seller, which expression shows the correct amount of change that she will get back?
(b) She paid Rs.100 while the cost of oranges was Rs.75 So she will get back = Rs.100 - Rs.75 = Rs.25.
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