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
The following statements describe how the transport system in plant works. Which of these is a correct sequence?
P - Xylem tubes carry water and mineral salts to other parts of the plant.
Q - The leaves make food in the presence of sunlight.
R - The leaves receive water and mineral salts.
S - Phloem tubes transport food to other parts of the plant.
T - Root hairs absorb water and mineral salts from the soil.
Q.2
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.3
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.4
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.5
In a respiration experiment, if an organism is placed in a sealed container, and the carbon dioxide concentration is monitored over time, what is the likely outcome as respiration continues?
Q.6
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.7
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.8
Complete the following sentence:
Pulmonary veins are thick walled blood vessels as they ______________________.
Q.9
What happens to the strength of an electromagnet when the current passing through its coil is increased?
Q.10
Which of the following pair is wrongly classified?
Mode of nutrition
Examples of plants
1. Autotrophic
Desert plants
2. Heterotrophic
Cuscuta
3. Saprotrophic
Algae
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
b
Q.2
b
Q.3
a
Q.4
a
Q.5
a
Q.6
a
Q.7
d
Q.8
b
Q.9
c
Q.10
c
Answers to Sample Questions from CREST Olympiads:
Q.1 : b | Q.2 : b | Q.3 : a | Q.4 : a | Q.5 : a | Q.6 : a | Q.7 : d | Q.8 : b | Q.9 : c | Q.10 : c
