Section 1: Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
Consider the following statements and choose the correct option: Statement 1: When we stand in front of a bonfire, we experience heat transfer primarily by conduction. Statement 2: If you touch a metal spoon that has been placed in a hot cup of tea, you will feel heat transfer from the spoon to your hand. This heat transfer is primarily due to convection.
Q.2
When you pour hot tea suddenly into a glass tumbler, it cracks.
Which of the following could be the reason for the above-given statement?
Q.3
A person sitting in open car moving at constant velocity throws a ball vertically upwards in air. If effect of air resistance is neglected, the ball will fall:
Q.4
Fill in the blanks: 1. Angle between _________ and _________ is called as the angle of reflection. 2. Angle of incidence is always _______ angle of reflection.
Q.5
Read the following statements and choose the correct one: Statement 1: Conduction can happen only if the objects are in contact. Statement 2: Conduction can happen only if their temperatures are not the same.
Q.6
Which of the following statements is/are correct?
Q.7
Physical changes are temporary and can be easily reversed to their previous form. Which of the following physical changes is not a reversible change?
Q.8
What happens when a synthetic fiber like polyester is burned?
A. It melts and drips B. It produces a pleasant fragrance C. It produces a black, sooty smoke D. It ignites with a bright flame
Q.9
Choose the INCORRECT statement from the following options related to photosynthesis:
Q.10
Select the correct statement(s): 1. Manures and fertilizers are added to increase the fertility of the soil. 2. Sun is the ultimate source of energy for all living organisms. 3. Cells of the pitcher of Nepenthes plant secrete digestive juices to digest the insect.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
d
Q.2
b
Q.3
a
Q.4
b
Q.5
d
Q.6
d
Q.7
a
Q.8
a
Q.9
c
Q.10
d
Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : b | Q.3 : a | Q.4 : b | Q.5 : d | Q.6 : d | Q.7 : a | Q.8 : a | Q.9 : c | Q.10 : d
