Biology Fsc Part 1 Chapter 13 Online Test With Answers

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Biology Fsc Part 1 Chapter 13 Online Test

Sr. # Questions Answers Choice
1 The exchange of gases between the organism and its environment is called. Respiration External respiration Cellular respiration Anaerobic respiration
2 The main site of exchange of gases iin plants are Cuticle Lenticel Stomata Epidermis
3 During photorespiration, glycolate diffuses in to the membrane bounded organelle named as Mitochondria Ribosome Peroxisome Golgi bodies
4 During photorespiration, glycine is converted into serine in the Golgi bodies Chloroplast Mitochondria Ribosome
5 Water is more viscous than air. 10 times 20 times 50 times 100 times
6 Heart burn is a painful sensation in the Stomach Small intestine Chest cavity Pharynx
7 Emphesema is breakdown of Muscles Capillaries Alveoli None of these
8 During exercise the breathing rate may rise to 30 times per minute 20 times per minute 25 times per minute 35 times per minute
9 The irritant substances of smoke generally cause Smoker's hiccough Smoker's sneeze Smoker's yawing Smoker's cough
10 When blood leaves the capillary bed most of the carbon dioxide is in the form of Carbonate ions Bicarbonate ions Hydrogen ions Hydroxyl ions
11 The normally human blood absorbs the amount of oxygen at sea level is about 200 ml/100 ml of blood 20 ml/100 ml of blood 19.6 ml/100 ml of blood 02 ml/100 ml of blood
12 Walls of the chest cavity are composed of Ribs Intercostal muscle Ribs and intercostal muscle Ribs, intercostal muscle and diaphragm
13 The heart of the fist is single circuit and the blood flows in Two direction One direction One and two direction Reverse direction
14 The main tracheal trunk in cockroach communicates with exterior by 100 pairs 10 pairs 8 pairs 4 pairs
15 In the peroxisomes the glycolate is converted into Serine Ethanolamine Glycine CO<sub>2</sub>
16 Xylem and phloem are not involved In transport of minerals In transport of liquids In transport of gases In transport of water
17 Water is dense than air 800 times 1800 times 8000 times 80,000 times
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