Observe the food pyramid shown below and answer the following question:
Level 1 is rich in which nutrient?
Food items of which level should be consumed in very little quantity?
Q.2
What is common between the two animals shown below?
Q.3
Consider the following statements and choose the correct option:
Statement 1: A man cuts down the trees and modifies his environment to make life comfortable. By deforestation, he clears the land for agriculture, industries and habitat.
Statement 2: Plants and animals are interdependent. The decay of dead plants and animals provides nutrition to the soil which in turn help in the growth of plants and trees.
Q.4
Fill in the blank:
The digestion process starts in the mouth. From the mouth, the food reaches the stomach through the oesophagus. The stomach secretes acids and enzymes that digest food. The thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion is called _________.
Q.5
The given picture shows the fruit of a plant called cocklebur.
Choose the method by which the seeds in the fruit are dispersed:
Q.6
Choose the correct option and complete the sentence given below:
When harmful substances mix with air and make it dirty, it is called air pollution. Air pollution does not cause __________________________.
Q.7
Choose the correct option and complete the following sentence:
Rayon is different from truly synthetic fibres because _______________.
Q.8
Two classmates were having a class discussion about the energy required to do work. This is what they said:
Student 1: Riding a bicycle up a hill requires more energy as compared to the man cooking food in the kitchen.
Student 2: A running boy has more kinetic energy than a moving bus.
Who among them spoke correctly?
Q.9
What common characteristic feature is observed between roundworm and tapeworm?
Q.10
Choose the correct option and complete the following sentence:
When we heat or cool a matter, the movement of its particles gets affected. When we cool a substance, its particles _____________________________.
Answers to Previous Year Questions from CREST Olympiads:
Q.1
a
Q.2
b
Q.3
c
Q.4
b
Q.5
a
Q.6
d
Q.7
c
Q.8
a
Q.9
d
Q.10
b
Students can download the CREST Science Olympiad previous year paper pdf for class 4 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.
One of the most significant advantages of solving the past years’ papers is that it helps students improve their time management skills, strengthens their understanding of concepts and aids them in applying the concepts they have mastered. Also, solving previous years’ papers a few days before the exam can help students to revise the concepts quickly. Therefore, students must refer to previous years' papers before appearing for the final exam as many advantages are associated with it.
Additional Preparation Resources
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 4 -
CREST Science Worksheets Package for class 4 - 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 4 - 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 4 for free.
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 4.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : a | Q.2 : b | Q.3 : c | Q.4 : b | Q.5 : a | Q.6 : d | Q.7 : c | Q.8 : a | Q.9 : d | Q.10 : b
