CBSE Class 10 Science

  • CBSE Class 10 Science Chemistry MCQs Set A

      Question: The electrolytic decomposition of water gives H2 and O2 in the ratio of a) 2 : 1 by volume b) 1 : 2 by volume c) 8 : 1 by mass d) 1 : 2 by mass Answer: 2 : 1 by volume   Question: Methane on combustion gives a) both CO2 & H2O b) CO2 c) H2O d) neither CO2 nor H2O Answer: both...

  • CBSE Class 10 Science Management Of Natural Resources MCQs Set A

      Question: Stake holders of our forest are a) All of the above b) People who live in or around forests are dependent on forest produce c) Forest Department of the Government which owns the land d) The industrialists from those who use tendu leaves to make bidis to the ones with paper mills...

  • CBSE Class 10 Science Our Environment MCQs Set A

      Question: Food web is a) Interlinked food chains b) Food served through websites c) Display of different food items d) Using food items for a fashion dress Answer: Interlinked food chains   Question: Identify the proper food chain a) Grass, insect , frog , snake b) Grass , frog , insect ,...

  • CBSE Class 10 Science Heredity and Evolution MCQs Set A

      Question: Surgically removing tails of mice over several generations do not yield mice without tails.This proves that a) Both a and b are correct b) Cutting tail does not cause genetic change. So it not inherited. c) Acquired characters during ones own life are not inherited. d) Neither a nor b...

  • CBSE Class 10 Science How Do Organisms Reproduce MCQs Set A

      Question: Eggs starts developing in human female a) When she is in her mothers womb b) When she attains puberty c) Only after her birth d) After the first menstruation Answer: When she is in her mothers womb   Question: _______ is a common tube for urine and sperm in human male. a) Urethra b...

CBSE Class 10 Science Chemistry MCQs Set A

 

Question: The electrolytic decomposition of water gives H2 and O2 in the ratio of

  • a) 2 : 1 by volume
  • b) 1 : 2 by volume
  • c) 8 : 1 by mass
  • d) 1 : 2 by mass

Answer: 2 : 1 by volume

 

 


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CBSE Class 10 Science Management Of Natural Resources MCQs Set A

 

Question: Stake holders of our forest are

  • a) All of the above
  • b) People who live in or around forests are dependent on forest produce
  • c) Forest Department of the Government which owns the land
  • d) The industrialists from those who use tendu leaves to make bidis to the ones with paper mills

Answer: All of the above

 

 


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CBSE Class 10 Science Our Environment MCQs Set A

 

Question: Food web is

  • a) Interlinked food chains
  • b) Food served through websites
  • c) Display of different food items
  • d) Using food items for a fashion dress

Answer: Interlinked food chains

 

 


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CBSE Class 10 Science Heredity and Evolution MCQs Set A

 

Question: Surgically removing tails of mice over several generations do not yield mice without tails.This proves that

  • a) Both a and b are correct
  • b) Cutting tail does not cause genetic change. So it not inherited.
  • c) Acquired characters during ones own life are not inherited.
  • d) Neither a nor b is correct

Answer: Both a and b are correct

 

 


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CBSE Class 10 Science How Do Organisms Reproduce MCQs Set A

 

Question: Eggs starts developing in human female

  • a) When she is in her mothers womb
  • b) When she attains puberty
  • c) Only after her birth
  • d) After the first menstruation

Answer: When she is in her mothers womb

 

 


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CBSE Class 10 Science Control and Coordination MCQs Set A

 

Question: The direction of impulse in a typical neuron is

  • a) Dendron to axon
  • b) Axon to dendron
  • c) Both a and b are correct
  • d) Both a and b are wrong

Answer: Dendron to axon

 

 


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CBSE Class 10 Science Life Processes MCQs Set A

 

Question: In human each kidney has large numbers of filtration units called ___

  • a) Nephrons
  • b) Neutrons
  • c) Neurons
  • d) Neptune

Answer: Nephrons

 

 


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CBSE Class 10 Science Electricity MCQs Set A

 

Question: Joule/Coulomb is same as ?

  • a) Volt
  • b) Ampere
  • c) Ohm
  • d) Watt

Answer: Volt

 

 


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CBSE Class 10 Science Metals and Non Metals MCQs Set A

 

Question: Which is the least conductor of heat

  • a) Lead
  • b) Gold
  • c) Platinum
  • d) Silver

Answer: Lead


 


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CBSE Class 10 Science Metals and Non metals Notes Set B

METALS AND NON METALS
INTRODUCTION

Lavoiser classified all elements into metals, nonmetals and metalloids on the basis of their properties.
 
Some commonly used metals, nonmetals and metalloids are given below.
 
 Metals : Iron, Copper, Gold, Silver, Aluminium, Zinc Lead are some commonly used meats.
 

 


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