Section 1: Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
Match column I with column II and select the correct option from the codes given:
Column I
Column II
1. Shearing
a. Washing sheared skin to remove dirt
2. Scouring
b. Removal of fleece of sheep
3. Sorting
c. Anthrax
4. Fatal blood disease
d. Hair of different textures separated
Q.2
A motor car travels with a speed v1 from A to B and returns back from B to A with a speed v2. What is the average speed of the car during its journey?
Q.3
What is the labelled part A called?
Q.4
Kevin's teacher asked him to identify the correct order of the processes listed below to purify water and make it safe for drinking.
(i) Filtration
(ii) Sedimentation
(iii) Chlorination
(iv) Addition of chemicals
Which of the following is the correct order that Kevin arranged?
Q.5
Physical changes are temporary and can be easily reversed to their previous form. Which of the following physical changes is not a reversible change?
Q.6
The following statements describe how the transport system in plant works. Which of these is a correct sequence?
P - Xylem tubes carry water and mineral salts to other parts of the plant.
Q - The leaves make food in the presence of sunlight.
R - The leaves receive water and mineral salts.
S - Phloem tubes transport food to other parts of the plant.
T - Root hairs absorb water and mineral salts from the soil.
Q.7
Picture 1 shows an athlete running a race and picture 2 shows a biker riding a bike on a rough mountain. What is the similarity seen between these two pictures?
Q.8
Consider the following statements and choose the correct option: Statement 1: When we stand in front of a bonfire, we experience heat transfer primarily by conduction. Statement 2: If you touch a metal spoon that has been placed in a hot cup of tea, you will feel heat transfer from the spoon to your hand. This heat transfer is primarily due to convection.
Q.9
Fill in the blanks:
The simple form of nutrients obtained after digestion gets absorbed in __(I)__. The remaining matter goes into the __(II)__ where an excess of __(III)__ is absorbed. The remaining waste is called __(IV)__ and it is pushed into the rectum where it is stored before leaving the body through the anus.
Q.10
Look at the figure given below and answer the following question: What are the labelled parts called in an yeast? (plural form)
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
c
Q.2
c
Q.3
a
Q.4
c
Q.5
a
Q.6
b
Q.7
d
Q.8
d
Q.9
d
Q.10
b
Answers to Sample Questions from CREST Olympiads:
Q.1 : c | Q.2 : c | Q.3 : a | Q.4 : c | Q.5 : a | Q.6 : b | Q.7 : d | Q.8 : d | Q.9 : d | Q.10 : b
