1 |
A liter of H2O contains ml of oxygen. |
10
20
30
40
|
2 |
The most abundant protein in chloroplast and probably most abundant protein in the world is |
Hemoglobin
Rubisco
Insulin
Globulin
|
3 |
Spiracles are found in |
Fish
Cockroach
Leech
Earth worm
|
4 |
Rubisco is the most abundant protein in |
Golgi bodies
Chloroplast
Nucleoli
Mitochondria
|
5 |
Raspatory activity which occurs in plants during day time is called. |
Respiration
Transpiration
Photorespiration
Cutaneous respiration
|
6 |
Oxygen content of fresh air are |
200 ml/litre
10 ml/ litre
100 ml / litre
150 ml / litre
|
7 |
The exchange of gases between the organism and its environment is called. |
Respiration
External respiration
Cellular respiration
Anaerobic respiration
|
8 |
The main site of exchange of gases iin plants are |
Cuticle
Lenticel
Stomata
Epidermis
|
9 |
During photorespiration, glycolate diffuses in to the membrane bounded organelle named as |
Mitochondria
Ribosome
Peroxisome
Golgi bodies
|
10 |
During photorespiration, glycine is converted into serine in the |
Golgi bodies
Chloroplast
Mitochondria
Ribosome
|
11 |
Water is more viscous than air. |
10 times
20 times
50 times
100 times
|
12 |
Heart burn is a painful sensation in the |
Stomach
Small intestine
Chest cavity
Pharynx
|
13 |
Emphesema is breakdown of |
Muscles
Capillaries
Alveoli
None of these
|
14 |
During exercise the breathing rate may rise to |
30 times per minute
20 times per minute
25 times per minute
35 times per minute
|
15 |
The irritant substances of smoke generally cause |
Smoker's hiccough
Smoker's sneeze
Smoker's yawing
Smoker's cough
|
16 |
When blood leaves the capillary bed most of the carbon dioxide is in the form of |
Carbonate ions
Bicarbonate ions
Hydrogen ions
Hydroxyl ions
|
17 |
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
|