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Biology

Biology
Rate of transpiration can be measured by

Porometer
Respirometer
Ganong's potometer
Auxanometer

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Biology
Function of heart in human body

Work like pumping machines
To increase temperature
To release energy
None of these

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Biology
Which of the following is not a function of saliva?

Begins the chemical breakdown of starches
Helps clean the mouth
Contains fluoride to harden the tooth enamel
Moistens food and helps stick it together to make it easier to swallow

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Biology
Plants absorb dissolved nitrates from soil and convert them into

urea
free nitrogen
ammonia
proteins

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Biology
Phycology is the branch of botany in which we study about

Ecology
Algae
Virus
Fungi

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Biology
Which one among the following is the hardest part of our body ?

Thumb nails
Spinal vertebra
Skull bones of head
Enamel of teeth

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MORE MCQ ON Biology

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