CTET/ UPTET 2019 Exam Important Science Questions:
Q1. Amrita is trying to set-up an electric circuit. She runs short of connecting wires. Which of the following materials can she use to complete the circuit?
(a) Rubber pipe
(b) Thick thread
(c) Steel wire
(d) Glass rod
Q2. Identify the correct statement.
(a) A convex mirror forms erect as well as inverted image.
(b) A concave mirror always forms an erect image.
(c) A concave, mirror forms an erect as well as inverted image.
(d) A convex mirror always forms an inverted image.
Q3. Which of the following acids is found in ant’s sting?
(a) Acetic acid
(b) Ascorbic acid
(c) Formic acid
(d) Oxalic acid
Q4. 3.7kg of a fuel is completely burnt to give off 1.665×〖10〗^8 joules of energy. The calorific value of the fuel in standard unit is
Q5. Myra cycles to a friend’s house 5km away to deliver a packet. She goes at a speed of 12km/hour and returns at a speed of 8km/h. Her average speed during the whole trip is –
(a) 5 m/s
(b) 20 km/h
(c) 9.6 km/h
(d) 10 km/h
Q6. Which of the following sets contains only the units of measuring distance?
(a) Meter, hertz, cubit
(b) Meter, light year, hertz
(c) Cubit, year, light year
(d) Cubit, meter, light year
Q7. Sameer rolls his marble on three different surfaces spread out on floor-taut cellophane sheet, carpet and newspaper. The force of friction acting on the marble in the increasing order is
(a) Cellophane sheet, Carpet, Newspaper
(b) Newspaper, Cellophane sheet, Carpet
(c) Newspaper, Carpet, Cellophane sheet
(d) Cellophane sheet, Newspaper, Carpet
Q8. An object is moving linearly with a uniform velocity. If time is represented along X-axis then which of the following statements is correct
(a) The velocity-time graph of the motion will be a straight line parallel to X-axis.
(b) The distance-time graph of the motion will be a straight line parallel to X-axis.
(c) The velocity-time graph of the motion will be a straight line parallel to Y-axis.
(d) The distance-time graph of the motion will be a straight line parallel to Y-axis.
Q9. Which of the following is not a byproduct of petroleum?
(a) Lubricating oil
(b) Paraffin wax
Q10. Aman keeps a plastic bottle, a wooden spoon and metallic spoon in a closed room overnight. The room temperature is 30°C. In the morning he records the temperatures of the three objects as T₁, T₂ and T₃. Which of the following most likely represents the relation between them?