(A) Aneurysm
(B) Arteriosclerosis
(C) Arthritis
(D) Both (A) and (C)
2. Lining of human intestine is—
(A) Ciliated
(B) Keratinized
(C) Brush border
(D) All the above
3. Which blood group has both 'a' and 'b' antibodies ?
(A) O
(B) AB
(C) A
(D) B
4. Glycosidic bond is broken during digestion of—
(A) Protein
(B) Starch
(C) Lipid
(D) All of these
5. Passive food ingestion in Amoeba is known as—
(A) Invagination
(B) Import
(C) Circumfluence
(D) Circumvallation
6. In gout patients, high level of one of the following is found in blood—
(A) Urea
(B) Uric acid
(C) Cholesterol
(D) All the above
7. The anion present in pancreatic juice is—
(A) Chloride
(B) Bromide
(C) Phosphate
(D) Bicarbonate
8. Preganglionic sympathetic fibres are—
(A) Adrenergic
(B) Cholinergic
(C) Both (A) and (B)
(D) None of these
9. The muscles associated with the heart of insects are—
(A) Radial
(B) Alary
(C) Striped
(D) Pericardial
10. The goblet cells present in the intestinal lining are—
(A) Holocrine
(B) Merocrine
(C) Apocrine
(D) Endocrine
11. Chaga’s disease is caused by—
(A) Trypanosoma gambiense
(B) Trypanosoma cruzi
(C) Trypanosoma bruci
(D) None of the above
12. A chemical process common in the digestion of all kinds of food is—
(A) Condensation
(B) Hydrolysis
(C) Phosphorylation
(D) Emulsification
13. The muscles present on the posterior aspect of thigh that flex the leg and adduct and extend the thigh in human are—
(A) Semitendinosus
(B) Semimembranosus
(C) Biceps femoris
(D) All the above
14. The P-wave of the electrocardiogram is associated with—
(A) Contraction of atria
(B) Depolarization of atrial muscular tissues
(C) Contraction of ventricles
(D) Repolarization of S–A node
15. Septicemia is—
(A) Food poisoning
(B) Blood poisoning
(C) Mental disorder
(D) None of the above
16. Which of the following stops the action of acetylcholine ?
(A) Acetylcholinesterase
(B) Acetylcoenzyme-A
(C) Acetylcysteine
(D) Acetyltransferase
17. In mammalian heart, the pulmonary is powered by—
(A) Right atrium and right ventricle
(B) Left atrium and right ventricle
(C) Only right ventricle
(D) Only left ventricle
18. Dartos tunic muscle fibres occur in—
(A) Uterine wall
(B) Urethral wall
(C) Abdominal wall
(D) Scrotal wall
19. Which of these muscles help urinary bladder to expel urine forcefully ?
(A) Detrusor muscle
(B) Latissimus dorsi
(C) Hamstring muscle
(D) None of the above
20. During embryonic development in humans, morula is enclosed by—
(A) Corona radiata
(B) Zona pellucida
(C) Both (A) and (B)
(D) None of the above
Answers with Hints
1. (B) Arteriosclerosis is the disease of arteries in which the wall of arteries become thickened and rigid, and blood flow is hindered.
2. (C) Brush border is the outer surface of columnar epithelial cells living the human intestine.
3. (A) Humans having ‘O’ group blood, have no blood group antigens, but possess both ‘a’ and ‘b’ antibodies.
4. (B)
5. (B) Import is the method which involves taking of food on contact of food. The food passively sinks into the body of Amoeba by rupturing the plasmalemma and ectoplasm at the point of contact.
6. (B)
7. (D)
8. (B) Preganglionic sympathetic fibres are cholinergic and release acetylcholine from its ending when stimulated.
9. (B)
10. (B) Goblets cells are merocrine (epicrine) in nature.
11. (B)
12. (B)
13. (D) Hamstrings are three muscles on the posterior aspect of the thigh, semitendinosus, semimembranous and bicep femoris. They flex the leg, adduct and extend thigh.
14. (B) Electrocardiogram is a record of the electrical activity of the heart, shows certain waves called P, Q, R, S, and T waves. The Pwave is caused by the depolarization of the atrial muscle tissues.
15. (B) Blood poisoning is a common name for an infection of the blood that is also called septicemia or toxemia.
16. (A) Acetylcholinesterase is an enzyme that stops the action of acetylcholine. It is present in various body tissues.
17. (A)
18. (D) Dartos tunic is the muscular contractile tissue beneath the skin of the scrotum.
19. (A) The bladder wall contains three layers of smooth muscle, which together are called the detrusor muscle. Contraction of the detrusor muscle help expel urine forcefully from the bladder.
20. (B) The morula reaches uterus about 4 to 6 days after fertilization. It is still surrounded by the zona pellucida, that prevents its sticking to the uterine wall.
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