Class-5 Science 2020

The total number of bones in an adult human skeleton is

• 213

• 200

• 206

• 205

Which from the following helps our tongue to recognize the tastes?

• taste buds

• eardrum

• lens

• tectacles

Which from the following is an example of second class lever?

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• 
• 

Which from the following prevents topsoil from being washed away?

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• 
• 
• 

Which from the following is the only rock that floats on water?

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• 
• 
• 

The vertebral column is made up of.........?

• 32 ring - shaped bones

• 33 ring - shaped bones

• 31 ring - shaped bones

• 34 ring - shaped bones

Which from the following joints are found in your elbows, knees, fingers and toes?

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• 
• 
• 

Which of the following protects the lungs, heart and liver?

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• 
• 
• 

Which from the following is the largest and uppermost part of the brain?

• Cerebrum

• Medulla

• A & B Both

• None of the above

Which nerve carries messages from sensory organs to the brain?

• Sensory nerves

• Motor nerves