The richest source of vitamin A are
palm oil and groundnut oil
palm oil and carrot
rice and groundnut oil
oranges and carrot
Correct answer is B
No explanation has been provided for this answer.
The modes of nutrition in Nitrobacter, Ascaris, and Homo sapiens respectively are
photosynthetic , parasitic, and holozoic
chemosynthetic, parasitic, and holozoic
photosynthetic, parasitic, and heterophytic
chemosynthetic, holophytic, and holozoic
Correct answer is B
No explanation has been provided for this answer.
Mammals acclimatize to reduced oxygen content at high altitudes by
the stimulation of marrow to reduce the amount of erythrocytes produced
increasing the rate at which erythrocytes are destroyed
the stimulation of marrow to produce more erythrocytes
increasing the break down of the protein portion of the erythrocytes
Correct answer is A
No explanation has been provided for this answer.
The dark reaction of photosynthesis involves
fixation of carbon (IV) oxide to give six-carbon sugar
fixation of carbon (IV) oxide with the help of oxygen
use of carbon (IV) oxide to produce glucose using ATP
fixation of carbon (IV) oxide on chlorophyll using hydrogen
Correct answer is C
No explanation has been provided for this answer.
After a meal of yam has been digested, the highest concentration of glucose is to be found in the
hepatic artery
pulmonary vein
hepatic portal vein
posterior vena cava
Correct answer is C
No explanation has been provided for this answer.