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Biology

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

Decrease
Stop
No effect
Increase

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Biology
The smallest unit that is capable of carrying out life functions is known as

DNA
Cell
Blood
Tissue

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Biology
A large number of bacteria in our digestive system, especially in the ________ and large intestine are important in completing digestive processes

Stomach
Small intestine
None of these
Large intestine

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Biology
Which is called the factory of ribosomes?

Endoplasmic Reticulum
Vacuole
Nucleous
Nucleus

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Biology
The pair of spinal nerves in main are

30
33
32
31

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Biology
A person with 'AB' blood group is sometimes called a universal recipient because of the

Lack of antibodies in his blood
Presence of antibodies in his blood
Lack of both antigen and antibodies in his blood
Lack of antigen in his b lood

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