31. How many of the following senses are there?
[A] Four
[B] Five
[C] Six
[D] None of these
Show Answer
Correct Answer: B [Five]
Notes:
There are five sense organs in the human body: eyes, ears, nose, tongue, skin.
32. Albumin is the most important protein in blood serum. It is produced by which of the following organs?
[A] Heart
[B] Lungs
[C] Liver
[D] Endocrine glands
Show Answer
Correct Answer: C [Liver]
Notes:
Albumin is the most important protein in blood serum. It is produced by Liver.
33. The adrenal cortex secretes all except __
[A] Androgenic steroid
[B] Cortisol
[C] Relaxin
[D] Aldosterone
Show Answer
Correct Answer: C [Relaxin]
Notes:
The adrenal cortex secretes all except Relaxin. Relaxin is produced primarily by the corpus luteum.
34. Seminiferous tubules develop central lumen after __
[A] Old age
[B] Prepuberal time
[C] Birth
[D] Puberty
Show Answer
Correct Answer: D [Puberty]
Notes:
Puberty is the time in life when a boy or a girl becomes sexually mature. The central lumen of the seminiferous tubule develops at puberty.
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 correctly matched?
[A] Measles – Bacteria
[B] Influenza – Virus
[C] Tuberculosi – Protozoa
[D] Whooping cough – Fungi
Show Answer
Correct Answer: B [Influenza – Virus]
Notes:
Influenza is caused by Influenza Virus. Whereas Measles is also caused by viruses, Tuberculosi,s and Whooping cough is caused by bacteria.
37. Who proposed the modern synthetic theory of organic evolution?
[A] R.A. Fisher
[B] T. Dobzhansky
[C] Julian Huxley
[D] Ernst Mayr
Show Answer
Correct Answer: C [Julian Huxley]
Notes:
Julian Huxley proposed the modern synthetic theory of organic evolution.
38. Sugar crops to produce __
[A] biomethane
[B] bioethanol
[C] biobutanol
[D] None of these
Show Answer
Correct Answer: B [bioethanol]
Notes:
Bioethanol is produced by fermentation of residues from corn, potatoes, cereals, sugar beets, sugarcane and vegetables.
39. Who proposed rDNA technology?
[A] Herbert W. Boyer
[B] Stanley N
[C] Both 1 and 2
[D] Neither 1 nor 2
Show Answer
Correct Answer: C [Both 1 and 2]
Notes:
Herbert W. Boyer and Stanley N proposed rDNA technology. Recombinant DNA (rDNA) is a technology that uses enzymes to cut and paste together DNA sequences of interest.
40. An example of false fruit is ___:
[A] Guava
[B] Mango
[C] Tomato
[D] Apple
Show Answer
Correct Answer: D [Apple]
Notes:
An accessory fruit (sometimes called false fruit, spurious fruit, pseudo-fruit, or pseudo-carp) is a fruit in which some of the flesh is derived not from the ovary but from some adjacent tissue exterior to the carpel. Examples of accessory tissue are the receptacle of strawberries, figs, or mulberries, and the calyx of Gaultheria procumbens or Syzygium jambos. Pomes, such as apples and pears, are also accessory fruits, with much of the fruit flesh derived from a hypanthium.