D:-Stomach
Correct Answer:- Option-B
Question39:-Oxyntic cell in the stomach gastric pits secrete
A:-Mucus
B:-Pepsinogen
C:-Saliva
D:-HCI
Correct Answer:- Option-D
Question40:-The enzyme present in bile
A:-lipase
B:-Pepsin
C:-Renin
D:-None of the above
Correct Answer:- Option-D
Question41:-The cycle of reactions by which lactic acid is transformed to muscle glycogen is known as
A:-Kreb's cycle
B:-Cori cycle
C:-Glycolysis
D:-Calvin cycle
Correct Answer:- Option-B
Question42:-Chloride shift is otherwise known as
A:-Bohr effect
B:-Kreb's cycle
C:-Hamberger's phenomenon
D:-Oxygen dissociation
Correct Answer:- Option-C
Question43:-The normal range of urea in 100 ml mammalian blood
A:-17 - 30 mg
B:-40 - 80 mg
C:-56-70 mg
D:-70 - 80 mg
Correct Answer:- Option-A
Question44:-The pacemaker of the heart is
A:-AV node
B:-Bundle of His
C:-5Anode
D:-Pacer cells
Correct Answer:- Option-C
Question45:-In ECG the depolarisation of atria is represented by
A:-P-wave
B:-Q-wave
C:-R-wave
D:-T-wave
Correct Answer:- Option-A
Question46:-Osmoregulation of marine elasmobrach is conducted by
A:-Drinking of sea water
B:-Large kidneys
C:-Retention of urea in blood
D:-Absorption of water
Correct Answer:- Option-C
Question47:-Marine reptiles regulate the salt balance with help of
A:-Gills
B:-Salt glands
C:-Chloride cells
D:-Rectal glands
Correct Answer:- Option-B
Question48:-Which one of the following is an excretory organ?
A:-Archeocyte
B:-Choanocyte