Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Approximately how many times each day, do our heart valves open and close normally?
a. 10,000 times
b. 1,00,000 times
c. 1,50,000 times
d. 2,00,000 times
Q. To which group of blood an universal recipient belongs?
a. A group
b. B group
c. O group
d. AB group
Q. Normal fasting blood sugar level per 100 ml. of blood in man is -
a. 30 - 50 mg
b. 50 - 70 mg
c. 80 -100 mg
d. 120 -140 mg
Q. Pituitary gland is situated in -
a. the base of the heart
b. the base of the brain
c. the neck
d. the abdomen
Q. The percentage of Plasma in the total blood volume in human beings is about :
a. 45
b. 50
c. 55
d. 60
Q. Both erythrocytes and leucocytes are formed in the .
a. Bone marrow
b. Thymus
c. Arterial walls
d. Lymph nodes
Q. Which of the following organisms is most likely to produce green-house gases such as nitrous oxide and methane?
a. Fungi
b. Earthworm
c. Bacteria
d. Green plants
Q. Which one of the following techniques can be used to establish the paternity of a child?
a. Protein analysis
b. Chromosome counting
c. Quantitative analysis of DNA
d. DNA finger printing