Science-Class-6 DPP Talent Search Examinations

Each question has four alternatives marked (A), (B), (C) and (D), but only one of these alternatives is the correct answer. Find the correct answer. 1. Rajat uses bicycle to reach his school and maintains uniform speed. The graph between (i) distance from his house and (ii) time taken, is shown below. 160 120 80 40 10 20 30 40 Time (sec) If it takes Rajat 15 minutes to reach the school, find the distance between his house and his school. (A) 3.6 km (B) 3.0 km (C) 3.3 km (D) 4.2 km 2. XIX Commonwealth Games 2010 were held in Delhi and India was successful in obtaining second position with 101 medals. Which one of the following is the correct break-up of medals won by India ? No. of Gold Medals No. of Silver Medals No. of Bronze Medals (A) 38 26 37 (B) 38 28 35 (C) 38 29 34 (D) 38 27 36 3. Fill in the blanks with proper words in the following paragraph and choose the correct option, given below. A ................ is an animal that lives in forests and grasslands. It has ................ teeth for ................ hard plant stems of the forest. It has ................ ................ to hear the movements of ................ . The eyes on the sides of its head allow it to look in all ................ for danger. Its speed helps it to run away from its ................ . (A) hare, strong, chewing, long ears, enemies, directions, enemies (B) deer, sharp, tearing, large ears, predators, directions, enemies (C) deer, strong, chewing, long ears, predators, directions, predators (D) deer, long, chewing, big ears, predators, sides, predators [2] 4. Match the statements of Columns-I and II and tick-mark () the correct matching, given as one of the four alternatives A, B, C and D. Column-I Column-II (a) This yarn burns without shrinking (i) silk yarn or melting, giving an odour of burning paper (b) This yarn shrinks and melts on burning (ii) cotton yarn (c) This yarn burns, shrinking away from (iii) wool yarn flame, without melting and giving an odour of charred meat (d) This yarn shrinks on burning but does (iv) nylon yarn not melt (A) (a) - ii, (b) - iv, (c) - i, (d) - iii (B) (a) - iii, (b) - iv, (c) - i, (d) - ii (C) (a) - ii, (b) - i, (c) - iv, (d) - iii (D) (a) - ii, (b) - iii, (c) - iv, (d) - i 5. Tick-mark () the incorrect statement from the following. (A) Camels do not sweat and excrete small amount of urine (B) Some plants reproduce through parts other than seeds (C) Tails present in the fish help them to use dissolved oxygen in water (D) Dolphins and whales do not have gills for breathing 6. Nectar is a sugar-rich liquid produced by plants and in some cases by flowers in the plants. Which one of the following are not nectar-consuming ? (A) Butterflies (B) Honey bees (C) House flies (D) Humming birds 7. Sprouts are one of the most nutritious food and a good source of balanced diet. Sprouts are the germinated seeds of some grains. Which one of the following is not correct about sprouts ? (A) Sprouts are not only nutritious but also healthy food (B) Sprouting process takes more time in summer than in winter (C) Sprouts are easily digestible (D) Sprouts of gram provide vitamins, proteins and minerals [3] 8. Match the statements of Columns-I and II and tick-mark () the correct matching, given as one of the four alternatives A, B, C and D. Column-I Column-II (a) Ligaments (i) nose (b) Cartilages (ii) rib cage (c) Muscles (iii) ear (d) Bones (iv) connect bone to bone (e) Lobes (v) required for motion (A) (a) - iv, (b) - iii, (c) - v, (d) - i, (e) - ii (B) (a) - iv, (b) - i, (c) - v, (d) - ii, (e) - iii (C) (a) - iv, (b) - iii, (c) - v, (d) - ii, (e) - i (D) (a) - iii, (b) - iv, (c) - v, (d) - ii, (e) - i 9. Which one of the following statements is not correct ? (A) Plants consume oxygen for respiration and produce carbon dioxide (B) Fine hair and mucus, present inside the nose, prevent dust particles from entering into our respiratory system (C) Nitrogen gas is non-supporter of combustion (D) During rainy season, earthworms enter into the soil to protect them from water, especially when soil is covered with water 10. Dinesh took three containers A, B and C of different dimensions (shown below) and put equal amounts of water into each. He put these containers in the sun. In the evening, he measured the amounts of water left in each container. The amount of water left would be (A) minimum in container A (B) minimum in container B (C) minimum in container C (D) same in all the three containers 11. Which one of the following is different from the other three ? (A) Cotton (B) Jute (C) Silk (D) Nylon [4] 12. Which one of the following statements is not correctly matched ? Vitamin/mineral Deficiency disorders & Symptoms Vitamin Food Source (A) Vitamin A Night-blindness, dry eyes, Eggs, milk, green and poor visibility at night yellow vegetables like broccoli, carrot, pumpkin, mango, papaya, etc. (B) Vitamin B1 Anaemia affecting immune system Mushrooms, asparagus, broccoli, tomatoes, beans, whole grains, etc. (C) Vitamin D Rickets, soft bones, frequent Oatmeal, sweet potatoes, bone fractures egg yolk, fish liver oil,etc. (D) Vitamin K Bleeding easily on bruises, Soybeans, dark green blood takes longer time to clot vegetables like asparagus, broccoli, spinach, green cabbage, etc. 13. In XIX Commonwealth Games 2010, held at Delhi, India secured second position by winning 38 Gold Medals. India won maximum number of Gold Medals in (A) Shooting (B) Wrestling (C) Archery (D) Athletics 14. Fill in the blanks with proper words in the following paragraph and choose the correct option, given below. The surrounding where ................ live is called a ................ . The plants and animals that live on land are said to live in ................ ................ . The plants and animals that live in water are said to live in The presence of ................ features or certain habitats, which enable the plants or animals to live in the surrounding is called ................ . (A) animals, habitat, terrestrial habitat, aquatic habitat, specific, acclimatization (B) organisms, habitat, terrestrial habitat, aquatic habitat, specific, adaptation (C) organisms, habitat, terrestrial habitat, aquatic habitat, specific, acclimatizations (D) organisms, habitat, terrestrial habitat, aquatic habitat, certain, adaptation [5] 15. Match the statements of Columns-I and II and tick-mark () the correct matching, given as one of the four alternatives A, B, C and D. Column-I Column-II (a) Floats in water (i) milk (b) Soluble in water (ii) silver (c) Miscible with water (iii) glass (d) Transparent (iv) wood (e) Lustrous (v) stone (f) Hard (vi) sugar (A) (a) - iv, (b) - i, (c) - vi, (d) - ii, (e) - iii, (f) - v (B) (a) - iv, (b) - i, (c) - vi, (d) - iii, (e) - v, (f) - ii (C) (a) - iv, (b) - i, (c) - vi, (d) - iii, (e) - ii, (f) - v (D) (a) - iv, (b) - vi, (c) - i, (d) - iii, (e) - ii, (f) - v 16. Sea water is saline (salty). The water of sea has become saline over the years due to (A) the impurities brought by rains over the large stretch of the sea (B) the dissolving of salts present at the bottom of the sea (C) the salts carried by rivers falling into the sea (D) the evaporation from over the surface of water in the sea 17. Which one of the following statements is incorrect ? (A) The part of a leaf with which it is attached to the stem is called petiole (B) The plant of tomato is categorised as shrub (C) Petals, sepals, stemans and pistil are parts of a flower (D) Plants having leaves with parallel venation have fibrous roots 18. Which one of the following is not a proper joint in our body ? (A) ‘Hinge’ joint in the elbow (B) ‘Ball and socket’ joint in the shoulder (C) ‘Pivotal’ joint in the back-bone (D) Joints between bones in our head are ‘fixed’ joints [6] 19. We observe different bodies, moving in different ways. Each different type of motion has been given a different name. Relate the forms of motion given in column I and the names of motion given in column II and tick-mark() the correct matching, given as one of the four alternatives A, B, C and D. Column I Column II (a) Motion of tip of the hand of a watch (i) periodic motion (b) Motion of a pendulum of a clock (ii) circular motion (c) An object repeats its motion after (iii) rectilinear motion a fixed interval of time (d) Motion of car covering 1 km in (iv) oscillatory motion each minute (e) Motion of a body released from a height (v) uniform motion above the ground (f) Motion of light rays in a medium (vi) non-uniform motion (A) (a) - ii, (b) - i, (c) - iv, (d) - v, (e) - vi, (f) - iii (B) (a) - iv, (b) - ii, (c) - i, (d) - v, (e) - vi, (f) - iii (C) (a) - ii, (b) - iv, (c) - i, (d) - iii, (e) - vi, (f) - v (D ) ( a) - i i , ( b) - iv, ( c) - i , (d) - v, ( e) - v i , ( f ) - i i i 20. Which of the following two processes are comparatively more essential in water cycle ? (A) Transpiration and evaporation (B) Condensation and rain (C) Evaporation and condensation (D) Seepage of water into ground, evaporation 21. Tick-mark() the incorrect statement (A) Silk is obtained from the skin of the silkworms (B) Cotton bolls are obtained from the fruit of the cotton plants (C) Wool is obtained from the fleece of sheep or some other animals (D) Jute is obtained from the stem of jute plant 22. Which nutrient can you get almost free and without spending any money ? (A) Water (B) Air (C) Vitamin D (D) Vitamin C [7] 23. Food is necessary for the growth and maintenance of our body. It should contain all the ingredients necessary for balanced diet. In the crossword given below, the constituents of food, which we take, are given either along horizontal lines or along vertical lines. Find the number of constituents or nutrients of food in the above crossword. (A) 12 (B) 13 (C) 14 (D) 15 In the following five questions, one member of the group is different from the other three, in some particular way. Find the one which is different from the other three and tick-mark(√) it. 24. (A) Veins (B) Lamina (C) Transpiration (D) Petals 25. (A) Toe (B) Elbow (C) Ankle (D) Sole 26. (A) Pigeon (B) Hen (C) Ostrich (D) Crow 27. (A) Salt (B) Pepper (C) Chillies (D) Turmeric 28. (A) Tuberculosis (B) Beriberi (C) Rickets (D) Scurvy [8] 29. Take a rectangular iron bar and place it on the table. Take a bar magnet and place one of its poles near one end of the iron bar. Move the pole of the magnet along the iron bar (without lifting) till you reach the other end. Now, lift the magnet and bring the same pole on the same end and move this along the iron bar in the same direction, as earlier. Repeat this process about 45–50 times. The iron bar will start behaving like a magnet with one end as N-pole and the other end as S-pole. In which one of the following cases, poles of iron bar are correctly shown ? (A) (B) (C) (D) 30. Which one of the following statements is not correct about a common dry cell ? (A) The light in the filament of the bulb of a torch is due to heat produced in it by electric current supplied by the cell (B) The carbon rod in the cell acts as positive terminal of the cell (C) Chemical energy of the electrolyte appears as electric current from the cell (D) When a bulb is lighted with a cell, all the electric current flows through the bulb and not through the cell 31. Which one of the following elements is different from the other three ? (A) Iron (B) Aluminium (C) Nickel (D) Cobalt [9] 32. Match the statements of column I and column II and tick-mark() the correct matching, given as one of the four alternatives A, B, C and D. Column I Column II (a) Light (i) forms shadow (b) Opaque object (ii) forms erect images (c) Pinhole camera (iii) is used to observe shadows (d) Screen (iv) forms inverted images (e) Periscope (v) helps us see objects (A) (a) - v, (b) - i, (c) - ii, (d) - iii, (e) - iv (B) (a) - v, (b) - i, (c) - iv, (d) - iii, (e) - ii (C) (a) - i, (b) - iv, (c) - v, (d) - iii, (e) - ii (D) (a) - v, (b) - iii, (c) - iv, (d) - i, (e) - ii 33. Current flowing in a wire, connected to a cell, is due to the flow of (A) electrons (B) protons (C) both electrons as well as protons (D) some times electrons and some times protons 34. A magnet is dipped in iron filings and then picked up. Iron fillings stick to the magnet. Which one of the following possibilities of sticking iron filings to the magnet would be observed ? (A) (B) (C) (D) 35. A person is standing in front of a large plane mirror in a hall. He starts walking towards the mirror at speed of 0.5 m per second. The person and his image start approaching each other with a speed of (A) 0.25 m/sec (B) 0.5 m/sec (C) 1.0 m/sec (D) 2.0 m/sec [10] 36. Ends of five small identical iron bars are marked A, B, C, D and E. End A attracts ends B, D and E. End B attracts ends A, C and D. If ends C and E point towards geographic north and geographic south, respectively (when freely suspended), then which one of the following statements is not correct ? (A) End A is N-pole of a magnet (B) End D is neither N-pole nor S-pole of a magnet (C) End C is S-pole of a magnet (D) End B is S-pole of a magnet 37. Dietary fibres are also known as roughage. Roughage is mainly provided by plant products in our food. Whole grains and pulses, potatoes, fresh fruits and vegetables are the main sources of roughage. Roughage is very essential part of our food, because (A) this along with other nutrients is a good source of ‘body-building’ (B) this helps in digesting fats and proteins in our food (C) this helps our body to get rid of undigested food (D) this helps in digesting the food we take 38. Which one of the following statements is not correct about the snail ? (A) The outer rounded coiled structure of the snail it called shell of the snail (B) The shell skeleton is made up hard bone which protects it from danger from its predators (C) The shell is a single unit which does not help the snail it moving from place to place (D) Due to its slow speed, it is considered as a symbol of laziness [11] 39. Match the statements of column I and column II and tick-mark() the correct matching, given as one of the four alternatives A, B, C and D. Column I Column II (a) Switch (i) the wire in the bulb which gives off light (b) Cell (ii) chemical energy appears as (c) Filament (iii) current does not flow through it (d) Insulator (iv) the source of current in the circuit (e) Current (v) used for making and breaking an electric circuit (A) (a) - v, (b) - ii, (c) - i, (d) - iii, (e) - iv (B) (a) - v, (b) - iv, (c) - ii, (d) - iii, (e) - i (C) (a) - v, (b) - iv, (c) - i, (d) - ii, (e) - iii (iii) It defends itself with a powerful kick. A single well-placed kick by the adult can shatter a lion’s skull and break its spine (iv) It is the tallest of all the land-living animals, with a mass of about 1200 kg of male and about 830 kg of female (A) Camel (B) Zebra (C) Giraffe (D) Elephant [12] (D) (a) - v, (b) - iv, (c) - i, (d) - iii, (e) - ii 40. Read the following statements and try to guess about which animal, these statements are true ? (i) It drinks large quantity of water when available and this enables it to live for extended periods in dry, arid areas (ii) It is herbivore, eats leaves and twigs of trees. It also eats grass and fruit ANSWERS : CLASS VI SCINECE 1 A 2 D 3 C 4 A 5 C 6 C 7 B 8 B 9 D 10 C 11 D 12 B 13 A 14 B 15 D 16 C 17 B 18 C 19 D 20 C 21 A 22 C 23 B 24 D 25 B 26 C 27 A 28 A 29 C 30 D 31 B 32 B 33 A 34 A 35 C 36 B 37 C 38 B 39 D 40 C [13]