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.2
The given picture shows the fruit of a plant called cocklebur.
Choose the method by which the seeds in the fruit are dispersed:
Q.3
State which of the following statements are true or false:
1. The painting uses the separation process of evaporation. 2. The separation process of winnowing is used to separate salt from water. 3. Water droplets are seen on the outer surface of a glass when cold water is poured in it. This is due to the condensation of water vapour present in the atmosphere.
Q.4
Given below are a set of phenomena: 1. Tearing of paper 2. Souring of milk 3. Chopping of wood 4. Breaking a glass
Which of the above changes can be reversed?
Q.5
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.6
Read the clues given below and identify the animal from the given options:
Clue 1: I can close my nostrils while diving into the water. Clue 2: I can smell my prey from miles away. Clue 3: I have two layers of fur and a thick layer of fat below my skin.
Q.7
Different bird species have differently shaped beaks because each species has evolved a beak design that suits its diet and lifestyle. Observe the beaks of these birds below. Which of these birds cannot eat flesh?
Q.8
Which of the following pair of animals are arboreal?
P: Garden Lizard
Q: Turtle
R: Newts
S: Flying Squirrel
Q.9
Choose the correct option and complete the following sentence:
Rayon is different from truly synthetic fibres because _______________.
Q.10
Name the following:
1. The brightest planet in the solar system 2. Dwarf planet 3. Red planet
Answers to Previous Year Questions from CREST Olympiads:
Q.1
c
Q.2
a
Q.3
d
Q.4
d
Q.5
b
Q.6
d
Q.7
d
Q.8
d
Q.9
c
Q.10
c
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 : c | Q.2 : a | Q.3 : d | Q.4 : d | Q.5 : b | Q.6 : d | Q.7 : d | Q.8 : d | Q.9 : c | Q.10 : c
