Question # 1

In the peroxisomes the glycolate is converted into

Choose an answer

Serine

Ethanolamine

Glycine

CO₂

Heart burn is a painful sensation in the

Choose an answer

Stomach

Small intestine

Chest cavity

Pharynx

100 ml of arterial blood of human being contains CO2

Choose an answer

50 ml

54 ml

56 ml

58 ml

Why hemoglobin is 98% saturated, the oxygen content per 100 ml of blood is.

Choose an answer

19.6 ml

18.6 ml

17.6 ml

16.6 ml

The volume of air taken inside the lungs and expelled during exercise is about

Choose an answer

2.5 liters

3.5 liters

4.5 liters

1.5 liters

During exercise the breathing rate may rise to

Choose an answer

30 times per minute

20 times per minute

25 times per minute

35 times per minute

Rubisco reacts with oxygen instead of CO2 during.

Choose an answer

Glycolysis

Respiration

Kreb cycle

Photorespiration

In earthworm exchange of gases mainly takes place through.

Choose an answer

Gills

Lungs

Skin

Ostla

Pleura is double layered thin membrane that covers.

Choose an answer

Heart

Liver

Lungs

Kidneys

Spiracles are found in

Choose an answer

Fish

Cockroach

Leech

Earth worm

During photorespiration, glycine is converted into serine in the

Choose an answer

Golgi bodies

Chloroplast

Mitochondria

Ribosome

In birds the organ of voice is called.

Choose an answer

Vocal card

Larynx

Syrinx

Parabronchi

Which one is the structure of respiratory system of man.

Choose an answer

Larynx

Syrinx

Esophagus

duodenum

Carbon di oxide per 100 ml of venous blood is.

Choose an answer

50 ml

54 ml

98 ml

99 ml

Xylem and phloem are not involved

Choose an answer

In transport of minerals

In transport of liquids

In transport of gases

In transport of water

How much air can lungs when they are fully inflated

Choose an answer

5 liters

4 liters

3.5 liters

4.5 liters

Emphesema is breakdown of

Choose an answer

Muscles

Capillaries

Alveoli

None of these

_____ is more important regulator of breathing process.

Choose an answer

Oxygen

Carbon di oxide

Myoglobin

Hemoglobin

More Classes

Other Links

Biology Fsc Part 1 Chapter 13 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer