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
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.3
Which of the following is not an application of heat?
Q.4
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.5
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.6
Which of the following pairs is/are INCORRECT?
Name of the acid
Where is it found?
P. Acetic acid
Vinegar
Q. Citric acid
Orange
R. Formic acid
Spinach
S. Oxalic acid
Ant's sting
Q.7
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.8
Fill in the blanks:
The simple form of nutrients obtained after digestion gets absorbed in __(I)__. The remaining matter goes into the __(II)__ where an excess of __(III)__ is absorbed. The remaining waste is called __(IV)__ and it is pushed into the rectum where it is stored before leaving the body through the anus.
Q.9
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.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
a
Q.2
b
Q.3
d
Q.4
d
Q.5
a
Q.6
d
Q.7
a
Q.8
d
Q.9
b
Q.10
d
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : b | Q.3 : d | Q.4 : d | Q.5 : a | Q.6 : d | Q.7 : a | Q.8 : d | Q.9 : b | Q.10 : d
