21 The gastric juice in the stomach of human beings is ..... and aids in the digestion of food1. amphoteric2. neutral3. acidic4. alkaline
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20 "A family is a unit consisting of a mother, father and their two children." This statement is1. incorrect, because the statement should specify that the children are biological2. incorrect, because there are many kinds of families and one cannot classify family as being of only one kind3. correct, since this is an ideal family size4. correct, because this is what all Indian families are like
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19 When a snake charmer plays on his musical instrument Been, the snake swings its head to and fro its sound. How do you think the snake responds to the musical instrument?1. By responding to the vibrations produced by the instrument2. By smelling the instrument3. By hearing the sound produced by the instrument4. By seeing the movement of the instrument
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18 Read the given description of farming and identify its type "After cutting one crop, the land is left as it is for some years. Nothing is grown there. The bamboos or weeds which grow on that land are not pulled out. They are cut and burnt. The ash makes the land fertile. When the land is ready for farming it is lightly dug up, not ploughed. Seeds are dropped on it."1. Cooperative farming2. Jhoom farming3. Step farming4. Irrigation farming
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17 Which of the following groups of animals has excellent sight and can see things four times more than humans?1. Tigers, Leopards, Bulls2. Snakes, Silkworms, Lizards3. Kites, Eagles, Vultures4. Bees, Mosquitoes, Butterflies
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16 Read the following description of an animal and identify it. " It looks like a bear but it is not. It spends almost 17 hours a day sleeping while hanging upside down on a tree branch. It eats the leaves of the same tree on which it lives. It lives for about 40 years."1. Langur2. Chimpanzee3. Panda4. Sloth
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15 Which of the following birds makes its nest among the thorns of a cactus plant? ( CTET Environmental Studies Test Online )1. Sunbird2. Weaverbird3. Robin bird4. Dove
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14 Almost in every part of our country, chillies are added while cooking food. Chillies were brought to our country by the traders who came from1. Uzbekistan2. South America3. Afghanistan4. Australia
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13 Which of the following sets of edibles are rich in iron?1. Amla, Spinach, Jaggery2. Amla, Spinach, Potato3. Amla, Potato, Tomato4. Cabbage, Okra, Jaggery