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Excretory Products And Their Elimination

176 Questions Start Allen Test
All Exams Allen
Q26 Allen Conceptual Questions MCQ
Which is false?
A.
Nephron-Excretion
B.
Alveoli-Respiration
C.
Kidney-osmoregulation
D.
None of these
Q27 Allen Conceptual Questions MCQ
The snakes living in deserts are mainly:-
A.
Ammonotelic
B.
Aminotelic
C.
Ureotelic
D.
Uricotelic
Q28 Allen Conceptual Questions MCQ
Which one is not the function of kidney?
A.
Osmoregulation
B.
Salt retention
C.
Excretion
D.
Synthesis of urea
Q29 Allen Conceptual Questions MCQ
Ammonia is the chief excretory substance in:
A.
Camel and whale
B.
Cartilaginous fishes
C.
Whale and Tortoise
D.
Fresh water fishes
Q30 Allen Conceptual Questions MCQ
One of the following excrete urea:-
A.
Snakes
B.
Birds
C.
Insects
D.
Mammals
Q31 Allen Conceptual Questions MCQ
Uric acid excretion is an adaptation for:-
A.
Water conservation
B.
Water removal
C.
Osmoregulation
D.
None
Q32 Allen Conceptual Questions MCQ
NH₃ is:-
A.
Less toxic
B.
Toxic
C.
Highly toxic
D.
None
Q33 Allen Conceptual Questions MCQ
Out of the four parts given below, which parts play significant role in forming concentrated urine in human ? I. Loop of Henle II. Glomerulus III. Bowman's capsule IV. Vasa recta The correct option is
A.
I and II
B.
III and IV
C.
II and III
D.
I and IV
Q34 Allen Conceptual Questions MCQ
Which is absent in Glomerular filtrate?
A.
Blood corpuscles
B.
Fats
C.
Proteins
D.
All
Q35 Allen Conceptual Questions MCQ
Urine formed by nephrons is ultimately carried to ....A... where it is stored till a voluntary signal is given by the ...B... . This signal is initiated by ...C... of urinary bladder. Choose the correct option for A, B and C.
A.
A-Urethra, B-CNS, C-PNS
B.
A-Urinary bladder, B-CNS, C-stretching
C.
A-Urethra, B-CNS, C-Stretching
D.
A-Urethra, B-CNS, C-ANS
Q36 Allen Conceptual Questions MCQ
Conversion of ammonia to urea is done by… Cycle :-
A.
Ornithine cycle
B.
Arginine cycle
C.
Fumaric cycle
D.
Citrulline cycle
Q37 Allen Conceptual Questions MCQ
The movement of ions against the concentration gradient will be:-
A.
Active transport
B.
Osmosis
C.
Diffusion
D.
All
Q38 Allen Conceptual Questions MCQ
Correct order of excretory organs in Cockroach, Earthworm and Rabbit respectively :-
A.
Skin, Malpighian tubules, kidney
B.
Malpighian tubules, nephridia, kidney
C.
Nephridia, Malpighian tubules, kidney
D.
Nephridia, kidney, green gland
Q39 Allen Conceptual Questions MCQ
Which one of the following body functions is not performed by kidneys?
A.
Excretion
B.
Osmoregulation
C.
Regulation of blood volume
D.
Destruction of dead blood corpuscles
Q40 Allen Conceptual Questions MCQ
Nitrogen is excreted in mammals in the form of :-
A.
Ammonium ion
B.
Ammonia
C.
Uric acid
D.
Urea
Q41 Allen Conceptual Questions MCQ
Which one of the four parts mentioned below does not constitute a part of a single uriniferous tubule?
A.
Bowman's capsule
B.
Distal convoluted tubule
C.
Loop of Henle
D.
Collecting duct
Q42 Allen Conceptual Questions Match the Columns
The correct pairing sequene is: Match the following Column-I
with Column-II:
Column-IColumn-II
(A)Loop of Henle
(B)Renal artery
(C)Proximal convoluted tubule
(D)Glomerulus
(E)Distal convoluted tubule
(I)Carries blood to the kidney
(II)Area where a considerable amount of reabsorption takes place
(III)Main area of K⁺, H⁺ secretion
(IV)Filtration of blood
(V)Plays a role in concentration of urine
A.
5,1,2,4,3
B.
5,1,2,3,4
C.
1,5,3,4,2
D.
2,1,3,5,4
Q43 Allen Conceptual Questions MCQ
Which of the following is not a function of kidneys?
A.
Regulation of blood pressure
B.
Removal of urea
C.
Regulation of acidity of fluids
D.
Secretion of antibiotics
Q44 Allen Conceptual Questions MCQ
Aquatic reptiles are :-
A.
Ammonotelic
B.
Ureotelic over land
C.
Ureotelic
D.
Ureotelic in water
Q45 Allen Conceptual Questions MCQ
During micturition :-
A.
Urethra relaxes
B.
Ureter contracts
C.
Ureter relaxes
D.
Urethra contracts
Q46 Allen Conceptual Questions MCQ
Which of the following are uricotelic animals?
A.
Rohu and Frog
B.
Lizard and Crow
C.
Camel and Frog
D.
Earthworm and Eagle
Q47 Allen Conceptual Questions MCQ
Duct of Bellini opens on :-
A.
Collecting duct
B.
Ureter
C.
Renal papilla
D.
DCT
Q48 Allen Conceptual Questions MCQ
Loop of Henle is associated with :-
A.
Excretory system
B.
Respiratory system
C.
Reproductive system
D.
Digestive system
Q49 Allen Conceptual Questions MCQ
Uric acid is the main excretory product in :-
A.
Insects
B.
Earthworm
C.
Amphibians
D.
Mammals
Q50 Allen Conceptual Questions MCQ
Which of the following is metabolic waste of protein metabolism?
A.
NH₃, urea and $\mathsf { C O } _ { 2 }$
B.
Urea, oxygen and N₂
C.
Urea, ammonia and alanine
D.
Urea, ammonia and creatinine