Which of the following statements hold true regarding the given plants X and Y?
Plant X grows in a place where there is very little rainfall, whereas plant Y grows in cold mountainous region.
In plant X, leaves are flat and thin whereas leaves in plant Y are broad.
In plant X, roots have tiny openings at their tips whereas in plant Y roots are long.
In plant X, leaves are modified into spines whereas in plant Y leaves are thin and needle-like.
Q.2
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.3
Choose the correct option which answers the following question:
Waterlogged places are called swamps or marshes. Marshy regions have sticky and clayey soil. Which of the following have breathing roots since air cannot reach the roots of these plants?
Q.4
Fill in the blank with the correct option:
Jane loves to play outside in the sun all the time with her friends. Exposure to sunlight is a natural way of getting ___________________.
Q.5
Name the following:
1. The brightest planet in the solar system 2. Dwarf planet 3. Red planet
Q.6
Fill in the blank:
In a banyan tree, roots grow from the branches, reach the soil and continue growing below the soil. These are called ________________ roots.
Q.7
Which of the following pair of animals are arboreal?
P: Garden Lizard
Q: Turtle
R: Newts
S: Flying Squirrel
Q.8
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.9
The given picture shows a football without air and the other one filled with air. What conclusion can we draw from this?
Q.10
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 _________.
Answers to Previous Year Questions from CREST Olympiads:
Q.1
d
Q.2
d
Q.3
c
Q.4
a
Q.5
c
Q.6
c
Q.7
d
Q.8
d
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 : d | Q.2 : d | Q.3 : c | Q.4 : a | Q.5 : c | Q.6 : c | Q.7 : d | Q.8 : d | Q.9 : d | Q.10 : b
