1851. What is the smallest unit of life ?

A. Atom
B. Cell *
C. Virus
D. A and B

1852. Which is the main source of energy for human brain ?

A. Fats
B. Glucose *
C. Vitamins
D. Acid

1853. What is the meaning of Virus ?

A. Fatal
B. Poison *
C. Protein
D. Acid

1854. The PH of human blood is between :

A. 6.5
B. 7.4 *
C. 8.9
D. 4.5

1855. What is the PH of water?

A. 6.5
B. 7.4
C. 8.9
D. 7.0 *

1856. What is the largest organ inside the human body ?

A. Liver *
B. Intestines
C. Stomach
D. Skin

1857. What is Cellulose ?

A. Fats
B. Carbohydrates *
C. Vitamins
D. Protein

1858. The smallest of all human cells are :

A. Nerve Cells
B. WBCs
C. Epithelial Cells
D. RBCs *

1859. How many bones are there in the adult human body ?

A. 206 *
B. 306
C. 250
D. 260

1860. Which of the following the plant eat insects ?

A. Pitcher plant *
B. Um Plant
C. Cacti
D. Ribbon Plant