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
In a desert climate, plants often have adaptations to conserve water. What is a common adaptation in desert plants?
1. Broad leaves for maximum sunlight absorption
2. Thick, waxy skin to reduce water loss
3. Rapid growth during rainy seasons
4. Shallow root systems for quick water absorption
Q.2
Fill in the blank:
_________________ helps in the efficient supply of oxygen to all the cells of the body.
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
In symbiosis two organisms live together and get benefit from each other which is mutually beneficial to both. Which of the following show this type of relationship?
Q.5
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.6
Look at the pictures shown below and identify the similarity between them correctly:
Q.7
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.8
Ron took two salts A and B in two test tubes I and II, respectively, and subjected them to heating. After that, he added water to the two test tubes, in test tube I salt regained its original colour and in test tube II water started boiling. Identify A and B:
Q.9
Look at the pictures shown below and spot the similarity between them:
Q.10
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.
Answers to Previous Year Questions from CREST Olympiads:
Q.1
b
Q.2
b
Q.3
a
Q.4
c
Q.5
a
Q.6
b
Q.7
d
Q.8
a
Q.9
b
Q.10
b
Students can download the CREST Science Olympiad previous year paper pdf for class 7 from this page. Each question in the paper carries 1 mark. The answer key for all the questions is also provided on the last page.
Students who are preparing for the CREST Science Olympiad need to implement some smart study strategies to ace the exam. One such strategy is solving the CREST Science Olympiad previous year papers. These papers help students in developing a deeper understanding of the exam format. Analyzing past years' papers will enable students to recognize:
Different types of questions asked in the exam
The topics that are frequently asked in the exam
The difficulty level of the questions
Students will be better prepared for the CREST Science Olympiad exam if they are aware of the factors mentioned above.
Additional Preparation Resources
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 7 -
CREST Science Worksheets Package for class 7 - It is a package of 5 worksheets. The worksheets are in the same pattern as the previous year paper. Hence, very useful for preparation. Existing users can purchase additional practice worksheets by following these steps: Login at https://www.crestolympiads.com/login -> Dashboard -> Additional Practice -> Buy & new users can visit https://www.crestolympiads.com/registration
CREST Science Olympiad book for class 7 - The book covers topic-wise reading material, chapter-wise practice questions with answer key & contains the previous year paper. The book is available in both physical and pdf formats. Proceed now to purchase the Olympiad book. Also, students can view & download the first chapter of the Science Olympiad book for class 7 for free.
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 7.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : b | Q.2 : b | Q.3 : a | Q.4 : c | Q.5 : a | Q.6 : b | Q.7 : d | Q.8 : a | Q.9 : b | Q.10 : b
