Science Practical Quiz Prelims I – 2017-18 Grade 7 Time: 60 Minutes Max Marks: 50 PART A : GENERAL SCIENCE AND FACTS 1. Which of the following is not a nitrogen compound? a. Ammonia b. Glucose c. Protein d. Nitric acid 2. Why do dolphins and whales keep coming to the surface of water? a. They are curious to see things on the surface of the water b. To get sufficient sunlight c. To breathe d. To play around 3. Where do sugarcane plants store their food? a. Stem b. Roots c. Leaves d. Fruit 4. What is the chemical name for the rust formed on the steel rods? a. Ferric oxide b. Iron sulphide c. Magnesium Oxide d. Copper sulphate 5. Which part of the flower has pollen grains? a. Anther b. Ovary c. Stigma d. Petal 6. Mark the one which is not a source of surface water. a. Well b. Lake c. Spring d. River 7. Cells that help in clotting of blood are a. RBC b. WBC c. Platelets d. Plasma 8. What is the function of liver in the digestive system? a. Digestion of food b. Absorption of nutrients c. Detoxifies chemicals d. Excretion 9. Which of the following is not a dwarf planet? a. Sirius b. Ceres c. Make Make d. Pluto 10.The strength of the force of gravity between two objecst depend on a. The masses of the objects and their speeds b. The masses of the objects and the distance between them c. The diameter of the objects and their speeds d. The masses of the objects and their Diameter PART B: APPLICATION BASED QUESTIONS 11.Three mirrors are placed perpendicular to each other as shown. What will be the angle of reflection of the outgoing ray from the right mirror? a. 35 degree b. 55 degree c. 90 degree d. 45 degree www.scienceutsav.com Copyright of ScienceUtsav. All rights reserved SET - A Read the following instructions carefully before you answer the questions. 1. This test consists of 50 questions of one mark each. All the questions are compulsory with no negative marking. 2. All the questions are Multiple Choice Questions (MCQ). 3 The question paper is divided into four parts as shown below. a. Questions 1 – 10 - General Science Facts b. Questions 11 - 20 - Application Based Question c. Questions 21 - 30 - Arithmetic Aptitude d. Questions 31 - 50 - Logical Reasoning and Mental Ability 4. A separate OMR sheet has been provided where you can mark your response to the question by darkening the circle respective to the answer choice. 5. Please use HB dark pencil to darken the answer on the OMR sheet. 6. There is only one correct answer for each question. Any response to a question with more than one circle darkened will not be counted. No marks will be given for any such answer. 7. Do not write on this question paper. It will not be evaluated.
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Science Practical QuizPrelims I – 2017-18
Grade 7
Time: 60 Minutes
Max Marks: 50
PART A : GENERAL SCIENCE AND FACTS
1. Which of the following is not a nitrogen compound?
a. Ammonia b. Glucose c. Protein d. Nitric acid
2. Why do dolphins and whales keep coming to the surface of water?
a. They are curious to see things on the surface of the water b. To get sufficient sunlight
c. To breathe d. To play around
3. Where do sugarcane plants store their food?
a. Stem b. Roots c. Leaves d. Fruit
4. What is the chemical name for the rust formed on the steel rods?
a. Ferric oxide b. Iron sulphide c. Magnesium Oxide d. Copper sulphate
5. Which part of the flower has pollen grains?
a. Anther b. Ovary c. Stigma d. Petal
6. Mark the one which is not a source of surface water.
a. Well b. Lake c. Spring d. River
7. Cells that help in clotting of blood are
a. RBC b. WBC c. Platelets d. Plasma
8. What is the function of liver in the digestive system?
a. Digestion of food b. Absorption of nutrients c. Detoxifies chemicals d. Excretion
9. Which of the following is not a dwarf planet?
a. Sirius b. Ceres c. Make Make d. Pluto
10.The strength of the force of gravity between two objecst depend on
a. The masses of the objects and their speeds b. The masses of the objects and the distance between them
c. The diameter of the objects and their speeds d. The masses of the objects and their Diameter
PART B: APPLICATION BASED QUESTIONS
11.Three mirrors are placed perpendicular to each other as shown. What will be the angle of
reflection of the outgoing ray from the right mirror?
a. 35 degree b. 55 degree c. 90 degree d. 45 degree
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SET - A
Read the following instructions carefully before you answer the questions.
1. This test consists of 50 questions of one mark each. All the questions are compulsory with no negative marking.
2. All the questions are Multiple Choice Questions (MCQ).
3 The question paper is divided into four parts as shown below.
a. Questions 1 – 10 - General Science Facts
b. Questions 11 - 20 - Application Based Question
c. Questions 21 - 30 - Arithmetic Aptitude
d. Questions 31 - 50 - Logical Reasoning and Mental Ability
4. A separate OMR sheet has been provided where you can mark your response to the question by darkening the circle
respective to the answer choice.
5. Please use HB dark pencil to darken the answer on the OMR sheet.
6. There is only one correct answer for each question. Any response to a question with more than one circle darkened will not
be counted. No marks will be given for any such answer.
7. Do not write on this question paper. It will not be evaluated.
12.What is the voltage and current at the load?
a. 36V, 1A b. 36V, 3A c. 12V, 1A d. 12V, 3A
13.Which of the following does not use heating of electrical current as its application?
a. Electrical Bulb / LED b. Iron Box c. Water geyser d. Bread toaster
14. Why water is used as a coolant in cars?
a. Because it's a universal solvent b. High Specific heat c. High density d. High Boiling point
15.Kiran was researching on amoeba by looking for it in a sample of muddy water under a microscope. Which of the following
statements is NOT correct about amoeba?
a. Microscopic single celled organism b. Cannot capture its own food
c. Constantly changes its shape d. Amoebae are prokaryotes
16.In an experiment, a student puts baking soda into an empty drink bottle. He added vinegar and then placed a balloon over the
neck of the bottle. Very soon, the balloon started inflating (accompanied with bubbling and foaming in the bottle). Which gas is
responsible for this?
a. Water Vapour b. Oxygen c. Hydrogen d. Carbon dioxide
17.Wooden spoon is dipped in a cup of ice cream. It’s other end ______
a. Becomes cold by the process of conduction b. Becomes cold by the process of convection
c. Becomes cold by the process of radiation d. Does not become cold
18.Bhuvan and Manasa are playing tug of war. Manasa is pulling at a force of 12 Newtons South. Bhuvan is pulling with a force of 10
Newtons North. Predict the outcome of this tug of war battle.
a. 2 Newtons of force, North, Bhuvan is winning b. 2 Newtons of force, South, Manasa is winning
c. 2 Newtons of force, North, Bhuvan is winning d. 22 Newtons of force, South, Manasa is winning
19. Electromagnetic waves move at the speed of light.
a. True b. False
20.Two blocks composed of different materials each have a mass 25 g, but each block has a different volume. If Block A is located on
the Moon and Block B is located on Earth, what property do these two blocks have in common?
a. They have the same mass b. They have the same weight c. They have the same volume d. They have the same surface area
PART C : ARITHMETIC APTITUDE
21.One billionth of a second = ________ (1) & One millionth of a second = ________ (2)
a. (1) Microsecond (2) Nanosecond b. (1)Nanosecond (2) Microsecond
c. (1)Microsecond (2) Millisecond d. (1)Millisecond (2) Nanosecond
22.A bullet train can attain a maximum speed of 250 km/hr. How much distance will it cover between 10.00 a.m. and 10.45 a.m. if it
travels at an average speed of 240 km/hr?
a. 60 km b. 180 km c. 250 km d. 240 km
23.A two wheeler covers a distance of 55.3 km using one litre of petrol. How much distance will it cover in 10 liters of petrol?
a. 453 b. 543 c. 345 d. 553
24.What is the smallest number by which 432 should be divided so that the quotient becomes a perfect square?
a. 3 b. 4 c. 5 d. 2
2 2 225.Simplify : (4m - 3m - 5)-(2m - 2m + 3)+(2m + 2m + 5)
2 2 2 a. 4m + m - 3 b. 4m + m + 3 c. 4m - m - 3 d. None of these
26.In a parking lot, 1 out of every 8 cars is blue. What percentage of the cars in this lot is blue?
a. 1.25 % b. 7% c. 9% d. 12.5%
27.Two cubes of dimensions 2 cm x 2 cm x 2 cm are placed side by side, the length of resulting Cuboid is
a. 2 b. 4 c. 6 d. 7
228.The area of a rectangular sheet is 500 cm . If the length of the sheet is 25 cm, what is its width?
a. 5 cm b. 15 cm c. 20 cm d. 10 cm
29.△ ABC is right-angled at C. If AC = 5 cm and BC = 12 cm find the length of AB.
a. 7 cm b. None of these c. 13 cm d. 17 cm
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PART D : LOGICAL REASONING AND MENTAL ABILITY (Orientation of the Figures may have been changed)
31-35. Spot out the odd figure.
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30.Following table shows the points of each player scored in four games. Who is the best performer based on their average?
a. A b. B c. C d. Both A and C
36-40. Find out the similar figure among the choice.
Problem Figures Answer Figures
36.
37.
38.
39.
40.
31.
32.
33.
34.
35.
41-45. Find the missing portion (?).
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41.
42.
43.
44.
45.
46-50. Find the next logical pattern.
Problem Figures Answer Figures
Problem Figures Answer Figures
46.
47.
48.
49.
50.
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