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
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.2
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.3
Ron took two salts A and B in two test tubes I and II, respectively, and subjected them to heating. After that, he added water to the two test tubes, in test tube I salt regained its original colour and in test tube II water started boiling. Identify A and B:
Q.4
Given below are some adaptations shown by animals: (i) Beautiful coloured feathers (ii) Long tail (iii) Thick fur (iv) Subcutaneous fat and thick skin (v) Poison glands (vi) Longer beaks (vii) Keen eyesight (viii) Smaller sized limbs and ears Which of the above adaptations are rainforest adaptations?
Q.5
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.6
Two non-parallel plane mirrors make an angle of 60o with each other. If a beam of light is incident on one mirror at an angle of 30o to the mirror surface, what is the angle between the incident and emerging rays after two reflections?
Q.7
Complete the sentence: The change in the shape of a hot tin can containing water vapour, when cold water is poured on it is because _____________.
Q.8
Name the part marked 'X' in the organism shown below:
Q.9
Which of the following statements is/are correct?
Q.10
What happens to the strength of an electromagnet when the current passing through its coil is increased?
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
d
Q.6
b
Q.7
b
Q.8
b
Q.9
d
Q.10
c
Answers to Sample Questions from CREST Olympiads:
Q.1 : c | Q.2 : c | Q.3 : a | Q.4 : c | Q.5 : d | Q.6 : b | Q.7 : b | Q.8 : b | Q.9 : d | Q.10 : c
