Functional units of lungs are called________?
(A) Alveoli
(B) Air sacs
(C) Parabronchi
(D) None of these
Breaking of terminal phosphate of ATP releases about ___________ Kcal of energy?
(A) 6.1
(B) 6.3
(C) 7.1
(D) 7.3
ATP are consumed during___________?
(A) Glycolysis
(B) Kreb’s cycle
(C) Light dependent phase
(D) none of these
Cellular respiration is essentially a/an _____________ process?
(A) Oxidation.
(B) Reduction.
(C) Redox.
(D) None of the abov
The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?
(A) plus ve
(B) – ve
(C) No
(D) All of these
The glycolate produced diffuses into the membrane bounded organelles called____________?
(A) Glyoxisomes
(B) Peroxisomes
(C) Lysosomes
(D) Mitochondria
The air spaces may comprise upto _________ of total volume of leaf surface?
(A) 30%
(B) 20%
(C) 40%
(D) 50%
There are _________ stomata per square cm of leaf surface in Tobacco plants?
(A) 1200
(B) 12000
(C) 100,000
(D) 1000
Important factors which affect the capacity of haemoglobin to combine with oxygen is
(A) Temperature
(B) Carbon dioxide
(C) pH
(D) All of these