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.2
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.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
Match column I with column II and select the correct option:
Column I
Column II
1. Conifer
a. Orchids
2. Deciduous
b. Lianas
3. Climbers in rainforests
c. Cedar
4. Epiphytes
d. Sal
Q.5
Choose the correct option and complete the following sentence:
The bile is secreted by ___________. It is stored in __________. It helps in break down of _________.
Q.6
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.7
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.8
What common characteristic feature is observed between roundworm and tapeworm?
Q.9
In reference to the different types of forces acting on various objects, which of these is INCORRECTLY paired?
Q.10
The given picture shows the fruit of a plant called cocklebur.
Choose the method by which the seeds in the fruit are dispersed:
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
b
Q.2
a
Q.3
a
Q.4
a
Q.5
a
Q.6
d
Q.7
d
Q.8
d
Q.9
c
Q.10
a
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 : b | Q.2 : a | Q.3 : a | Q.4 : a | Q.5 : a | Q.6 : d | Q.7 : d | Q.8 : d | Q.9 : c | Q.10 : a
