Olympiad Test: Achievers Section-1 - Class 7 MCQ
20 Questions MCQ Test Science Olympiad Class 7 - Olympiad Test: Achievers Section-1
Statement 1: The process of transmission of heat energy in solids without actual movement of particles from their position is called conduction.
Statement 2: In solids particles are very closely packed and have very little space between them.
Statement 2: In solids particles are very closely packed and have very little space between them.
Statement 1: Mostly metals like copper, iron and aluminium are used to make the solar heating pipes and boilers in chemical and textile industries.
Statement 2: Copper, iron and aluminium are good conductor of electricity.
Statement 2: Copper, iron and aluminium are good conductor of electricity.
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Study the diagram given below and answer the question.
Q. Which of the given position of the bob will give the amplitude of the pendulum?
Statement 1: A cyclone is a violent, dark funnel-shaped cloud extended from a thunder storm that reaches the ground from the sky.
Statement 2: Cyclones are caused by strong winds blowing around a central area having low atmospheric pressure.
Given below are the applications of mirror. Which of them are the applications of spherical mirror?
1. In making of Kaleidoscope
2. In making of telescope and microscope.
3. In making Periscope.
Directions: Fill in the blanks with the appropriate option.
Q. The objects that allow passing of light through them are called__________.
Directions: Fill in the blanks with the appropriate option.
Q. Light travels in straight path and this property of light is called__________.
Directions: Fill in the blanks with the appropriate option.
Q. Any object kept in transparent circular container of water appears bigger than the actual size because water behaves as __________.
Directions: Fill in the blanks with the appropriate option.
Q. The colours in the rainbow are due to the property of light called __________.
Column I contains the natural sources of acid and Column II contains the type of acid. Match them.
Which of the following is/are not a property of wool?
1. It is light weight and can easily be dyed.
2. It is a heat insulator as it can trap a large volume of air.
3. It can not absorb a large amount of water.
4. Wool dissolves in acids and bases.
Directions: Study the figure given below for obtaining silk fibre from cocoon and answer the following questions.
Q. In which of these steps the pupae are killed?
Directions: Study the figure given below for obtaining silk fibre from cocoon and answer the following questions.
Q. In which of these steps caterpillars are formed?
Directions: Study the figure given below for obtaining silk fibre from cocoon and answer the following questions.
Q. In which of these steps silk filament is reeled.
In the figure given below, show that where does ruminants store their food?
Match column I with Column II to show the after digestion processes in human beings.
Directions: Study the diagram for internal structure of heart, given below and answer the following questions.
Which part of human heart guards the opening of right atrium into right ventricle?
Directions: Study the diagram for internal structure of heart, given below and answer the following questions.
Which of the following guards the opening of left atrium into left ventricle?
Which of these is/are correct advantage of vegetative propagation?
1. Plants produced by the method of vegetative propagation mature earlier than those plants which are produced by seeds.
2. Plants grown by vegetative propagation methods need less attention in their early stages of growth than the plants grown from seeds.
Statement 1: The microorganisms like bacteria and fungi that convert dead and decaying animals and plants into humus are called decomposers.
Statement 2: Sometimes the organic matters in the sewage break down by anaerobic bacteria in closed tank
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34 videos|88 docs|54 tests
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34 videos|88 docs|54 tests
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