1241. Human blood contains ______ percentage of plasma :

A. 35%
B. 40%
C. 50%
D. 65% *

1242. How many bones are there in a newly born infant?

A. 206
B. 230
C. 280
D. 300 *

1243. A person having which of the following blood group can receive blood of any group?

A. A
B. AB *
C. B
D. O

1244. The Union of a sperm and an egg is called :

A. Reduction
B. Meiosis
C. Fertilization *
D. Germination

1245. How many main blood groups do we have ?

A. 3
B. 4 *
C. 5
D. 6

1246. What is the normal systolic blood pressure in an average human being ?

A. 120-140 mmHG *
B. 75-90 mmHG
C. 80-15- mmHG
D. None of these

1247. When Water boils, its temperature :

A. Begins to increase
B. Begins to decrease
C. Remains constant *
D. Fluctuates around a value

1248. The study of insects is called what ?

A. Taxonomy
B. Entomology *
C. Hematology
D. Anatomy

1249. The science of genes heredity ,and the variation of organisms:

A. Taxonomy
B. Genetics *
C. Hematology
D. Archaeology

1250. Which of the following natural sugars is the sweetest?

A. Glucose
B. Fructose *
C. Lactose
D. Sucrose