10th Class Biology Chapter Wise Online MCQ Test With Answers PDF English Medium

Biology 10th Class English Medium Online Test

Sr. #	Questions	Answers Choice
1	The gas produced in mesophyll cells as by product during day time is called.	Oxygen Carbon dioxide Nitrogen Chlorine
2	Plays role in maintaining body temperature.	Lungs Skin Kidneys Ear
3	The process which maintain the internal condition of body at equilibrium despite changes in the external environment is called.	Homeostasis Excretion Absorption Tubular Secretion
4	Maintenance of balance in the amounts of water minerals, temperature and glucose in body is called.	Excretion Tubular secretion Homeostasis Reabsorption
5	The maintenance of internal body temperature is called.	Osmoregulation Thermoregulation Excretion Guttation
6	What percentage of oxygen inhaled form air during breathing?	21% 22% 23% 24%
7	Rate of breathing depends upon concentration of which gas:	Oxygen Carbon dioxide Nitrogen Hydrogen
8	The percentage of oxygen from air which we inspired is:	15 % 21% 25% 28%
9	In normal condition human respiration rate is:	12 to 15 per minute 15 to 12 per minute 10 to 12 per minute 16 to 20 per minute
10	Percentage of CO₂ in exhaled are during breathing is:	16% 4% 79% 0.04%
11	What happens during Exhalation?	Ribs muscles relax Diaphragm become dome shaped Pressure on lungs increased All of these
12	Which bring deoxygenated blood form heart into lungs?	Pulmonary veins Pulmonary Artery Aorta Wind Pipe