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
A walker follows the path from A and E (figure) over an 80 s time interval. What total distance does the walker cover between A and E?
Q.3
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.4
Which of the following pair is wrongly classified?
Mode of nutrition
Examples of plants
1. Autotrophic
Desert plants
2. Heterotrophic
Cuscuta
3. Saprotrophic
Algae
Q.5
Two non-parallel plane mirrors make an angle of 60o with each other. If a beam of light is incident on one mirror at an angle of 30o to the mirror surface, what is the angle between the incident and emerging rays after two reflections?
Q.6
What is the labelled part A called?
Q.7
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.8
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.9
Look at the pictures shown below and spot the similarity between them:
Q.10
Consider the following statements and choose the correct option: Statement 1: During a chemistry demonstration, the teacher combined hydrogen gas with oxygen gas to form water. This is an example of reversible physical change. Statement 2: Jack conducted an experiment where he mixed vinegar (acetic acid) and baking soda (sodium bicarbonate), resulting in fizzing and the formation of carbon dioxide gas. This is an example of irreversible physical change.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
d
Q.2
a
Q.3
a
Q.4
c
Q.5
b
Q.6
a
Q.7
b
Q.8
b
Q.9
b
Q.10
d
Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : a | Q.3 : a | Q.4 : c | Q.5 : b | Q.6 : a | Q.7 : b | Q.8 : b | Q.9 : b | Q.10 : d
