31. Which of the following organ is involved in the purification of Inhaled Air?
[A] Cartilage
[B] Hair or cilia
[C] Mucus Membrane
[D] Septum
Show Answer
Correct Answer: B [Hair or cilia]
Notes:
Hair or cilia is the organ of the nose that is involved in the purification of Inhaled Air.
32. Whose function is it to carry deoxygenated blood away from the heart to the lungs and then return the deoxygenated blood back to the heart?
[A] Coronary circulation
[B] Systemic circulation
[C] Pulmonary circulation
[D] None of these
Show Answer
Correct Answer: C [Pulmonary circulation]
Notes:
Pulmonary circulation is a part of the circulation that is responsible for carrying deoxygenated blood from the heart to the lungs and then returning the deoxygenated blood back to the heart.
33. Globulins of the blood plasma are responsible for?
[A] defense mechanisms
[B] blood clotting
[C] oxygen transport
[D] osmotic balance
Show Answer
Correct Answer: A [defense mechanisms]
Notes:
The globulins in human blood plasma are mainly involved in the body’s defense mechanisms.
34. Which of the following is the long muscular tube that connects the small intestine to the rectum?
[A] Colon
[B] Gallbladder
[C] Pancreas
[D] Esophagus
Show Answer
Correct Answer: A [Colon]
Notes:
The colon is the long muscular tube that connects the small intestine to the rectum.
35. Whooping cough is caused by which of the following causative agent?
[A] Pasteurella pestis
[B] Clostridium tetani
[C] Bordetella pertussis
[D] Human papillomavirus
Show Answer
Correct Answer: C [Bordetella pertussis]
Notes:
Whooping cough is caused by Bordetella pertussis causative agent. It is a Gram-negative, aerobic, pathogenic, and encapsulated coccobacillus of the genus Bordetella.
36. Which of the following is the most fatal non-infectious disease?
[A] AIDS
[B] Cancer
[C] Diabetes
[D] Obesity
Show Answer
Correct Answer: B [Cancer]
Notes:
Cancer is the most fatal non-infectious disease. In cancer, some cells in the body grow uncontrollably and spread to other parts of the body.
37. Which of the following is the earliest geological period?
[A] Cambrian
[B] Permian
[C] Jurassic
[D] Quaternary
Show Answer
Correct Answer: A [Cambrian]
Notes:
Cambrian is the earliest geological period. The Cambrian period was the first geological period of the Paleozoic Era and the Phanerozoic Eon.
38. Which of the following is an example of chromosomal disorders?
[A] Down’s syndrome
[B] Albinism
[C] Haemophilia
[D] Sickle cell anaemia
Show Answer
Correct Answer: A [Down’s syndrome]
Notes:
Down’s syndrome is an example of a chromosomal disorder. Whereas Albinism, Haemophilia, and Sickle cell anemia are examples of Mendelian Disorder.
39. Klinefelter’s syndrome is an example of which of the following disorder?
[A] Mendelian Disorder
[B] Mitochondrial Inheritance
[C] Multifactorial Genetic Inheritance
[D] Chromosomal Disorder
Show Answer
Correct Answer: D [Chromosomal Disorder]
Notes:
Klinefelter’s syndrome is an example of Chromosomal Disorder in which a genetic condition that results when a boy is born with an extra copy of the X chromosome.
40. Which of the following are applications of rDNA technology?
[A] Development of Transgenic Plants
[B] Production of Antibiotics
[C] Production of Hormone Insulin
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Applications of rDNA technology are:
1. Development of Transgenic Plants
2. Production of Antibiotics
3. Production of Hormone Insulin
4. Production of Vaccines
5. Production of Interferon
