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
Which of the following is not an application of heat?
Q.2
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.3
When you pour hot tea suddenly into a glass tumbler, it cracks.
Which of the following could be the reason for the above-given statement?
Q.4
Read the statements below and choose the correct one: 1. Eucalyptus trees release pure water vapour into the atmosphere if planted along sewage ponds. 2. Cooking oil and fats if thrown in drains harden and block pipes. 3. Open drains overflow in the rainy season and is a breeding place of flies and mosquitoes.
Q.5
What happens to the strength of an electromagnet when the current passing through its coil is increased?
Q.6
Fill in the blanks: 1. The light material which floats during wastewater treatment is _______________. 2. _______________ is produced during wastewater treatment. 3. Wastewater from ______________ may contain radioactive materials.
Q.7
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.8
Read the clues carefully and answer the question that follows: Clue 1: I live in tropical rainforests. Clue 2: I have a long and large beak. Clue 3: I can reach for fruits on branches which are not easily reachable. Who am I?
Q.9
Fill in the blanks: The water which is lost through the stomata is replaced by water from the _______ vessels in the leaf. Evaporation of water molecules from leaf's cells creates a suction which pulls the water from the _______ cells of the root.
Q.10
Look at the pictures of sealing wax, wooden statue and catechu and identify the similarity between them correctly:
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
d
Q.2
a
Q.3
b
Q.4
d
Q.5
c
Q.6
d
Q.7
b
Q.8
c
Q.9
a
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : a | Q.3 : b | Q.4 : d | Q.5 : c | Q.6 : d | Q.7 : b | Q.8 : c | Q.9 : a | Q.10 : a
