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Biology

Biology
If CO2 concentration in the blood increases, the breathing will

Increase
No effect
Decrease
Stop

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Biology
Monotremes are unique mammals because they

give birth to live young
secret milk in a pouch
lay eggs
posses hair

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Biology
Deficiency of which minerals causes goitre?

Calcium
Sulphur
Iodine
Magnesium

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Biology
Which one of the following functions is not carried out by smooth endoplasmic reticulum?

Transport of materials
Synthesis of protein
Synthesis of steroid hormone
Synthesis of lipid

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Biology
The energy released by 1 gram of glucose is

4 kcal
6 kcal
5 kcal
3kcal

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Biology
Which of the following has the largest number of chromosomes?

Bryophytes
Human beings
Elephants
Pteridophytes

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