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Olympiad Test: Questions Based On Achievers Section


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20 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Questions Based On Achievers Section

Olympiad Test: Questions Based On Achievers Section for Class 7 2022 is part of Science Olympiad Class 7 preparation. The Olympiad Test: Questions Based On Achievers Section questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Questions Based On Achievers Section MCQs are made for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Questions Based On Achievers Section below.
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Olympiad Test: Questions Based On Achievers Section - Question 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.

Olympiad Test: Questions Based On Achievers Section - Question 2

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.

Olympiad Test: Questions Based On Achievers Section - Question 3

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?

Olympiad Test: Questions Based On Achievers Section - Question 4

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.

Olympiad Test: Questions Based On Achievers Section - Question 5

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.

Olympiad Test: Questions Based On Achievers Section - Question 6

Directions: Fill in the blanks with the appropriate option.

Q. The objects that allow passing of light through them are called__________.

Olympiad Test: Questions Based On Achievers Section - Question 7

Directions: Fill in the blanks with the appropriate option.

Q. Light travels in straight path and this property of light is called__________.

Olympiad Test: Questions Based On Achievers Section - Question 8

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 __________.

Olympiad Test: Questions Based On Achievers Section - Question 9

Directions: Fill in the blanks with the appropriate option.

Q. The colours in the rainbow are due to the property of light called __________.

Olympiad Test: Questions Based On Achievers Section - Question 10

Column I contains the natural sources of acid and Column II contains the type of acid. Match them.

Detailed Solution for Olympiad Test: Questions Based On Achievers Section - Question 10

In most plants, this organic acid is rare, but it is found in significant concentrations in grape vines. Along with malic acid, and to a lesser extent citric acidtartaric is one of the fixed acids found in wine grapes.

Spinach contains oxalic acid

Unripe green apples contain Malic Acid

Olympiad Test: Questions Based On Achievers Section - Question 11

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.

Olympiad Test: Questions Based On Achievers Section - Question 12

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?

Olympiad Test: Questions Based On Achievers Section - Question 13

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?

Olympiad Test: Questions Based On Achievers Section - Question 14

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.

Olympiad Test: Questions Based On Achievers Section - Question 15

In the figure given below, show that where does ruminants store their food?

Olympiad Test: Questions Based On Achievers Section - Question 16

Match column I with Column II to show the after digestion processes in human beings.

Olympiad Test: Questions Based On Achievers Section - Question 17

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?

Olympiad Test: Questions Based On Achievers Section - Question 18

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?

Olympiad Test: Questions Based On Achievers Section - Question 19

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.

Olympiad Test: Questions Based On Achievers Section - Question 20

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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