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
What happens to the strength of an electromagnet when the current passing through its coil is increased?
Q.2
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.3
The following statements describe how the transport system in plant works. Which of these is a correct sequence?
P - Xylem tubes carry water and mineral salts to other parts of the plant.
Q - The leaves make food in the presence of sunlight.
R - The leaves receive water and mineral salts.
S - Phloem tubes transport food to other parts of the plant.
T - Root hairs absorb water and mineral salts from the soil.
Q.4
Given below are pictures of corn, papaya and cucumber. Identify the similarity between them correctly:
Q.5
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.6
Two children are standing in front of a plane mirror as shown. When the child A looks into the mirror, how far away from him will image of child B appear to be?
Q.7
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.
Q.8
Match column I with column II and select the correct option from the codes given:
Column I
Column II
1. Shearing
a. Washing sheared skin to remove dirt
2. Scouring
b. Removal of fleece of sheep
3. Sorting
c. Anthrax
4. Fatal blood disease
d. Hair of different textures separated
Q.9
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.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
c
Q.2
b
Q.3
b
Q.4
c
Q.5
a
Q.6
a
Q.7
d
Q.8
c
Q.9
b
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : c | Q.2 : b | Q.3 : b | Q.4 : c | Q.5 : a | Q.6 : a | Q.7 : d | Q.8 : c | Q.9 : b | Q.10 : a
