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 passage given below and fill in the blank:
A few plants and all animals are dependent on others for their nutrition and are called heterotrophs. Plants like ___________ are parasites. They take food from the host plant.
Q.2
Which of the following is/are chemical change(s)?
Formation of clouds
Formation of rust
Tearing of a paper
Formation of black coating on the walls of the tube light
Q.3
Two children are standing in front of a plane mirror as shown. When the child A looks into the mirror, how far away from him will image of child B appear to be?
Q.4
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.5
In a desert climate, plants often have adaptations to conserve water. What is a common adaptation in desert plants?
1. Broad leaves for maximum sunlight absorption
2. Thick, waxy skin to reduce water loss
3. Rapid growth during rainy seasons
4. Shallow root systems for quick water absorption
Q.6
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.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
Look at the pictures of sealing wax, wooden statue and catechu and identify the similarity between them correctly:
Q.9
Fill in the blanks: 1. We should bow down on knees protecting our head and neck using arms to protect ourselves from a _______________. 2. The safest place to take shelter when a storm is accompanied by lightning is _______________.
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
d
Q.3
a
Q.4
a
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 : d | Q.3 : a | Q.4 : a | Q.5 : b | Q.6 : d | Q.7 : b | Q.8 : a | Q.9 : b | Q.10 : c
