Question # 1

Oxygen content of fresh air are

Choose an answer

200 ml/litre

10 ml/ litre

100 ml / litre

150 ml / litre

During photorespiration, glycolate diffuses in to the membrane bounded organelle named as

Choose an answer

Mitochondria

Ribosome

Peroxisome

Golgi bodies

The normally human blood absorbs the amount of oxygen at sea level is about

Choose an answer

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

Carbon di oxide per 100 ml of venous blood is.

Choose an answer

50 ml

54 ml

98 ml

99 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

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

How many molecule of oxygen can bind with a molecule of myoglobin.

Choose an answer

4

3

1

2

Parabronchi are present in

Choose an answer

Man

Cat

Birds

Frog

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

Rubisco is the most abundant protein in

Choose an answer

Golgi bodies

Chloroplast

Nucleoli

Mitochondria

Air spaces between mesophyll cells of a leaf comprise ______ of the total volume

Choose an answer

20%

30%

40%

50%

In the peroxisomes the glycolate is converted into

Choose an answer

Serine

Ethanolamine

Glycine

CO₂

Lungs are covered by double layered thin membranous sacs called.

Choose an answer

Pleura

Larynx

Air sacs

Diaphragm

Pleura is double layered thin membrane that covers.

Choose an answer

Heart

Liver

Lungs

Kidneys

Walls of the chest cavity are composed of

Choose an answer

Ribs

Intercostal muscle

Ribs and intercostal muscle

Ribs, intercostal muscle and diaphragm

Raspatory activity which occurs in plants during day time is called.

Choose an answer

Respiration

Transpiration

Photorespiration

Cutaneous respiration

Number of spiracles in cockroach is

Choose an answer

20 pairs

10 pairs

06 pairs

08 pairs

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