Which one of the plant growth regulators would you use if you are asked to:
(a) Induce rooting in a twig
(b) Quickly ripen a fruit
(c) Delay leaf senescence
(d) Induce growth in axillary buds
(e) ‘Bolt’ a rosette plant
(f) Induce immediate stomatal closure in leaves.

Which one of the plant growth regulators would you use if you are asked to : induce rooting in a twig.

Which one of the plant growth regulators would you use if you are asked to : induce growth in axillary buds.

Which one of the plant growth regulators would you use if you are asked to : quickly ripen a fruit.

Which one of the plant growth regulators would you use if you are asked to : delay leaf senescence.

Which one of the plant growth regulators would you use if you are asked to : 'bolt' a rosette plant.

Which one of the plant growth regulators would you use if you are asked to : induce immediate stomatal closure in leaves.

Properties of the elements are given below. Where would you locate the following elements in the periodic table? a] A soft metal stored under kerosene. b] An element with variable (more than one) valency stored under water. c] An element which is tetravalent and forms the basis of organic chemistry d] An element which is an inert gas with atomic number 2. e] An element whose thin oxide layer is used to make other elements corrosion resistant by the process of "anodising".

Which of the following are chemical changes ? (a) growth of a Plant (b) Rusting of Iron ( c) Mixing of Iron Filing and sand (d) Cooking of Food ( e) Digestion of food ( f) Freezing of water ( g) Burning of Candle.

Think of this puzzle What do you need to find a chosen number from this square? Four of the clues below are true but do nothing to help in finding the number. Four of the clues are necessary for finding it. Here are eight clues to use: a. The number is greater than 9. b. The number is not a multiple of 10. c. The number is a multiple of 7. d. The number is odd. e. The number is not a multiple of 11. f. The number is less than 200. g. Its ones digit is larger than its tens digit. h. Its tens digit is odd. What is the number? Can you sort out the four clues that help and the four clues that do not help in finding it? First follow the clues and strike off the number which comes out from it. Like - from the first clue we come to know that the number is not from 1 to 9. (strike off numbers from 1 to 9). After completing the puzzle, see which clue is important and which is not?