The mammalian stomach can carry out a number of processes except
absorption of glucose
secretion of hydrochloric acid
secretion gastric juice
churning of food
production of trypsin
Correct answer is E
Trypsin is a serine protease from the PA clan superfamily, found in the digestive system of many vertebrates, where it hydrolyzes proteins. Trypsin is formed in the small intestine.
15 secs
30secs
25secs
20secs
28secs
Correct answer is B
No explanation has been provided for this answer.
which of these elements in plants is required in small quantities only
Boron
Nitrogen
Phosphorus
Magnesium
Potassium
Correct answer is A
Boron (B) is not required by plants in high amounts, but can cause serious growth problems if it is not supplied at appropriate levels.
Which of these is not a function of the mammalian skin?
Protection against bacteria infection
Excretion of waste and water
Production of vitamin the when exposed to sun light
production of pigments to reduce temperature
Regulation of body temperature
Correct answer is D
Regulates body temperature.
Excretes toxic substances with sweat.
Protection of the body from harmful effects of the sun and radiation.
Prevents penetration of toxic substances.
Which of these is not a part of the feather of a bird?
Wing
aftershaft
Inferior umblilicus
Vane
Barbule
Correct answer is A
The feather contains a vane, afterfeather, calamus, barb, rachis.