← Back to Zoology

Excretory Products And Their Elimination

176 Questions Start Allen Test
All Exams Allen
Q1 Allen 1. Conceptual Questions MCQ
In the diagram of excretory system of human beings given below, different parts have been indicated by alphabets choose the answer in which these alphabets have been correctly matched with the parts which they represent:-
A.
A = Kidney, B = Dorsal aorta, C = Ureter, D = Urinary bladder, E = Urethra, F = Renal pelvis
B.
A = Kidney, B = Dorsal aorta, C = Urethra, D=Urinary bladder, E=Ureter, F=Renal pelvis
C.
A = Kidney, B = Renal pelvis, C = Urethra, D=Urinary bladder, E=Ureter, F=Renal pelvis
D.
A = Kidney, B = Dorsal aorta, C = Urethra, D=Urinary bladder, E=Renal pelvis, F=Ureter
Q2 Allen 1. Conceptual Questions MCQ
Nitrogenous waste products are eliminated mainly as :-
A.
Urea in tadpole & ammonia in adult frog
B.
Ammonia in tadpole and urea in adult frog.
C.
Urea in both tadpole & adult frog.
D.
Urea in tadpole and uric acid in adult frog.
Q3 Allen 1. Conceptual Questions MCQ
Ammonia is the main nitrogenous excretory material in :-
A.
Amphibians
B.
Aves
C.
Tadpoles
D.
Reptiles
Q4 Allen 1. Conceptual Questions MCQ
The blood vessel taking blood towards Bowman's capsule is :-
A.
Afferent arteriole
B.
Efferent arteriole
C.
Renal vein
D.
Renal portal vein.
Q5 Allen 1. Conceptual Questions MCQ
Each kidney of an adult human measures :-
A.
Length-10-12 cm, Width-5-7 cm, Thickness-2-3 cm, Weight-120-170 gm
B.
Length-10-20 cm, Width-10-12 cm, Thickness-6-12 cm, Weight-40-50 gm
C.
Length-2-6 cm, Width-10-12 cm, Thickness-6-12 cm, Weight-40-50 gm
D.
Length-10-20 mm, Width-5-7 mm, Thickness-2-3 cm, Weight-120-170 mg
Q6 Allen 1. Conceptual Questions MCQ
Read the following statements about human excretory system and choose the correct option accordingly. I. Kidneys are reddish brown and beanshaped structure. II. Kidneys are situated between the last thoracic to third lumbar vertebra. III. Each kidney of an adult human measures 10-12 cm in length, 5-7 cm in width, 2-3 cm thickness, and average weight 120-170 gram.
A.
I and II
B.
II and III
C.
III and I
D.
All
Q7 Allen 1. Conceptual Questions MCQ
Excretion is:-
A.
Removal of substances required by body
B.
Removal of nitrogenous useless substances and substances present in excess
C.
Formation of substances having some role in body
D.
Both (1) and (2)
Q8 Allen 1. Conceptual Questions MCQ
In mammals the urinary bladder opens into:-
A.
Uterus
B.
Urethra
C.
Vestibule
D.
Ureter
Q9 Allen 1. Conceptual Questions MCQ
Which of the following is not a function of kidney?
A.
Regulation of arterial pressure
B.
Excretion of metabolic waste and foreign chemicals.
C.
Secretion of hormones like erythropoietin and renin.
D.
Secretion of HCl and castle intrinsic factor (CIF).
Q10 Allen 1. Conceptual Questions MCQ
Urea is derived from:-
A.
Fats
B.
Amino acids
C.
Carbohydrates
D.
Uric acid
Q11 Allen 1. Conceptual Questions MCQ
Animals which excrete large amount of ammonia are:-
A.
Terrestrial
B.
Amphibians
C.
Egg laying
D.
Aquatic
Q12 Allen 1. Conceptual Questions MCQ
Ureotelic animals are those in which the main nitrogenous waste product is:-
A.
Amino acids
B.
Urea
C.
Uric acid
D.
Ammonia
Q13 Allen 1. Conceptual Questions MCQ
Excretory product of mammals is:-
A.
Salts
B.
Glucose
C.
Urea
D.
Ammonia D
Q14 Allen 1. Conceptual Questions MCQ
Malpighian corpuscles occur in:-
A.
Medulla
B.
Cortex
C.
Pelvis
D.
Pyramid
Q15 Allen 1. Conceptual Questions MCQ
Brush border epithelium is characteristic of:-
A.
Neck of nephron
B.
Collecting tube
C.
Proximal convoluted tubule
D.
All the above
Q16 Allen 1. Conceptual Questions MCQ
In cockroach, the excretory product is:-
A.
Ammonia
B.
Uric acid
C.
Urea
D.
Both (1) and (3)
Q17 Allen 1. Conceptual Questions MCQ
Ornithine cycle operates in :-
A.
Stomach
B.
Pancreas
C.
Liver
D.
Oral cavity
Q18 Allen 1. Conceptual Questions MCQ
Ornithine cycle performs:-
A.
ATP synthesis
B.
Urea formation in spleen
C.
Urea formation in liver
D.
Urine formation in liver
Q19 Allen 1. Conceptual Questions MCQ
Uriniferous tubules occur in:-
A.
Stomach
B.
Testes
C.
Ovary
D.
Kidney
Q20 Allen 1. Conceptual Questions MCQ
Identify A to D in the given structure and choose the correct option accordingly.
A.
A-Calyx, B-Cortex, C-Renal column, D-Ureter
B.
A-Calyx, B-Cortex, C-Renal column, D-Urethra
C.
A-Urethra, B-Cortex, C-Renal column, D-Calyx
D.
A-Urethra, B-Calyx, C-Renal column, D-Cortex
Q21 Allen 1. Conceptual Questions MCQ
The two kidneys lie in man:-
A.
At the level of ovaries
B.
At the same level
C.
Left kidney at a higher level than the right one
D.
Right kidney at a higher level than the left one
Q22 Allen 1. Conceptual Questions MCQ
Vasa recta are tubular capillaries around:-
A.
Posterior part of alimentary canal
B.
PCT
C.
Loop of Henle
D.
DCT
Q23 Allen 1. Conceptual Questions MCQ
Diameter of the renal afferent vessel is:-
A.
Same as that of efferent
B.
Smaller than that of efferent
C.
Larger than that of efferent
D.
There is no efferent vessel
Q24 Allen 1. Conceptual Questions MCQ
Choose the mismatched part of nephron with their function.
A.
Bowman's capsule-Glomerular filtration
B.
PCT-Reabsorption of Na⁺ and K⁺
C.
DCT-Reabsorption of glucose
D.
Loop of Henle-Urine concentration
Q25 Allen 1. Conceptual Questions MCQ
A notch present on the medial side of kidney is known as:-
A.
Ureter
B.
Pelvis
C.
Hilus
D.
Pyramid