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
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.2
Complete the following sentence:
Pulmonary veins are thick walled blood vessels as they ______________________.
Q.3
Read the passage given below and fill in the blank:
A few plants and all animals are dependent on others for their nutrition and are called heterotrophs. Plants like ___________ are parasites. They take food from the host plant.
Q.4
Which of the following is/are chemical change(s)?
Formation of clouds
Formation of rust
Tearing of a paper
Formation of black coating on the walls of the tube light
Q.5
Fill in the blanks: 1. We should bow down on knees protecting our head and neck using arms to protect ourselves from a _______________. 2. The safest place to take shelter when a storm is accompanied by lightning is _______________.
Q.6
Fill in the blanks: 1. The light material which floats during wastewater treatment is _______________. 2. _______________ is produced during wastewater treatment. 3. Wastewater from ______________ may contain radioactive materials.
Q.7
A motor car travels with a speed v1 from A to B and returns back from B to A with a speed v2. What is the average speed of the car during its journey?
Q.8
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.9
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.10
Physical changes are temporary and can be easily reversed to their previous form. Which of the following physical changes is not a reversible change?
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
b
Q.2
b
Q.3
a
Q.4
d
Q.5
b
Q.6
d
Q.7
c
Q.8
d
Q.9
a
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : b | Q.2 : b | Q.3 : a | Q.4 : d | Q.5 : b | Q.6 : d | Q.7 : c | Q.8 : d | Q.9 : a | Q.10 : a
