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
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.2
A walker follows the path from A and E (figure) over an 80 s time interval. What total distance does the walker cover between A and E?
Q.3
What happens when a synthetic fiber like polyester is burned?
A. It melts and drips B. It produces a pleasant fragrance C. It produces a black, sooty smoke D. It ignites with a bright flame
Q.4
Which of the following statements is/are correct?
Q.5
Look at the pictures shown below and spot the similarity between them:
Q.6
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.7
Fill in the blanks: 1. Angle between _________ and _________ is called as the angle of reflection. 2. Angle of incidence is always _______ angle of reflection.
Q.8
What is the labelled part A called?
Q.9
Complete the following sentence:
Pulmonary veins are thick walled blood vessels as they ______________________.
Q.10
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
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
a
Q.2
a
Q.3
a
Q.4
d
Q.5
b
Q.6
d
Q.7
b
Q.8
a
Q.9
b
Q.10
c
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : a | Q.3 : a | Q.4 : d | Q.5 : b | Q.6 : d | Q.7 : b | Q.8 : a | Q.9 : b | Q.10 : c
