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
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.2
Consider the following statements and choose the correct option: Statement 1: During a chemistry demonstration, the teacher combined hydrogen gas with oxygen gas to form water. This is an example of reversible physical change. Statement 2: Jack conducted an experiment where he mixed vinegar (acetic acid) and baking soda (sodium bicarbonate), resulting in fizzing and the formation of carbon dioxide gas. This is an example of irreversible physical change.
Q.3
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.4
Read the following statements and choose the correct one: Statement 1: Conduction can happen only if the objects are in contact. Statement 2: Conduction can happen only if their temperatures are not the same.
Q.5
A person sitting in open car moving at constant velocity throws a ball vertically upwards in air. If effect of air resistance is neglected, the ball will fall:
Q.6
Which of the following pair is wrongly classified?
Mode of nutrition
Examples of plants
1. Autotrophic
Desert plants
2. Heterotrophic
Cuscuta
3. Saprotrophic
Algae
Q.7
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.8
Select the correct statement(s): 1. Manures and fertilizers are added to increase the fertility of the soil. 2. Sun is the ultimate source of energy for all living organisms. 3. Cells of the pitcher of Nepenthes plant secrete digestive juices to digest the insect.
Q.9
Look at the figure given below and answer the following question: What are the labelled parts called in an yeast? (plural form)
Q.10
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.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
c
Q.2
d
Q.3
a
Q.4
d
Q.5
a
Q.6
c
Q.7
c
Q.8
d
Q.9
b
Q.10
d
Answers to Sample Questions from CREST Olympiads:
Q.1 : c | Q.2 : d | Q.3 : a | Q.4 : d | Q.5 : a | Q.6 : c | Q.7 : c | Q.8 : d | Q.9 : b | Q.10 : d
