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
State the effect of the force in each of the following cases:
James blows the air from his mouth on the smoke rising up from a burning stick.
When we sit on a sofa with springs, then the springs of the sofa get compressed.
Q.3
Choose the correct option and complete the following sentences:
To move the shopping cart in the forward direction, we will have to _________ the cart.
A book is suspended at one of the spring and the other end is on a hook fixed to a wall. The effect of this force will result in spring _________.
Q.4
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.5
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.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
Consider the following table and choose the correct option:
Vitamin
Source
Functions
X
Spinach, carrot, fish-liver oil
Keeping eyes, hair and skin healthy
Y
Citrus fruits, guava, amla and tomatoes
Keeping gums and joints healthy and building resistance to infections
Q.8
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.9
Match column I with column II and select the correct option:
Column I
Column II
1. Nylon
a. fibre obtained from plant
2. Wool
b. animal skin
3. Jute
c. fibre obtained from animal fur
4. Leather
d. fibre not obtained from plant/animal
Q.10
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.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
d
Q.2
d
Q.3
a
Q.4
c
Q.5
a
Q.6
d
Q.7
a
Q.8
a
Q.9
a
Q.10
d
Practicing Science Olympiad previous years’ question papers for class 4 is the most effective way to succeed in the CREST Science Olympiad. To get an advantage in the competition, candidates are regularly advised to refer to sample papers and build their knowledge. The more students work on Science Olympiad questions, the closer they get to perfection.
The CREST Science Olympiad previous year paper for class 4 can be downloaded directly from this page. The answer key for the questions is also available so that students can cross check their answers with the correct answer.
Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : d | Q.3 : a | Q.4 : c | Q.5 : a | Q.6 : d | Q.7 : a | Q.8 : a | Q.9 : a | Q.10 : d
