It is a relatively inactive and highly soluble sugar and constitutes about 90% of the total solute carried in the phloem. Identify it.
Starch
Glucose
Fructose
Sucrose
In anaerobic respiration
Glycolysis does not take place
Water molecule is split
Oxygen acts as a final electron acceptor
Ethyl alcohol is the common end product
During the process of respiration
Enzymes are synthesized
Large number of ATP molecules are utilized
Organic substances are utilized
Fats never participate
What are the energy producing centres in the cell?
Mitochondria
Golgi complex
Vacuole
Ribosomes
Given below are the events of photosynthesis. Identify which of the following is/are not correct ?
a) Absorption of light energy by chlorophyll.
b) Conversion of light energy to chemical energy and splitting of carbon dioxide into carbohydrates and oxygen.
c) Reduction of carbon dioxide to carbohydrates.
d) Conversion of chemical energy to radiant energy and splitting of water molecules into hydrogen and oxygen.
a & b
b only
b and c
b and d
Maximum rate of respiration takes place at
0oC
45oC
100oC
60oC
In which one of the following only aerobic respiration is observed?
muscles
yeast
tetanus bacteria
germinating seeds
Which of the following statements are true about respiration ?(i)During inhalation,ribs move inward and diaphragm is raised.(ii)The gaseous exchange takes place in the alveoli.(iii) Hemoglobin has greater affinity for carbon dioxide than oxygen.(iv)Alveoli increase surface area for the exchange of gases.
(i) and (iv)
(ii) and (iii)
(i) and (iii)
(ii) and (iv)
Which instrument is used for measuring blood pressure ?
Stethoscope.
Electrocardiograph
Echocardiograph.
Sphygmomanometer
Oxidative phosphorylation is the formation of
ADP during aerobic respiration
NADP during anaerobic respiration
ATP during aerobic respiration
ATP during the presence of sunlight