Question : Where is urine stored in the human body?

Option 1: Kidney

Option 2: Urinary bladder

Option 3: Liver

Option 4: Nephron

Question : Which is the largest blood vessel in the human body?

Option 1: Aorta

Option 2: Vena cava

Option 3: Tunica intima

Option 4: Atrium

Question : If $a= 9.6,b= 4.44,$ and $c= 5.16$, then the value of $a^3- b^3- c^3- 3 abc$ is:

Option 1: 0

Option 2: –1

Option 3: 2

Option 4: 1

Question : If $1 \frac{1}{3} \div \frac{2}{5} \times \frac{x}{5}=1 \frac{1}{4} \times \frac{2}{3} \div \frac{1}{6}$, then the value of $x$ is:

Option 1: 5.5

Option 2: 7.5

Option 3: 7.0

Option 4: 15

Question : pH scale ranges______________.

Option 1: 1 to 14

Option 2: 1 to 7

Option 3: 0 to 14

Option 4: 0 to 7