Q31. AIDS virus has :
(a)single-stranded RNA
(b)double-stranded RNA
(c)single-stranded DNA
(d)double stranded DNA
Ans- A
Q32.A breath test used by traffic police to check drunken driving uses:
(a)potassium dichromate-sulphuric acid
(b)potassium permanganate-sulphuric acid
(c)turmeric on filter paper
(d)silica gel coated with silver nitrate
Ans- A
Q33. Anglo Nubian is a breed of:
(a) sheep
(b) goat
(c) poultry
(d) cattle
Ans- B
Q34. What kind of soil is treated with gypsum to make it suitable for cropping?
(a) Alkaline
(b) Acidic
(c)Water-logged
(d)Soil with excessive clay content
Ans- A
Q35. Typhoid fever is caused by
(a)virus
(b)bacteria
(c)fungus
(d)allergy
Ans- B
Q36. Which of the following blood group is a universal recipient?
(a) A
(b) B
(c) AB
(d) O
Ans- C
Q37. Rod shaped bacteria is called
(a)Bacillus
(b)Spirillum
(c)Coccus
(d)Coma
Ans- A
Q38. The animal which has become extinct recently in India happens to be
(a) Golden cat
(b) Cheetah
(c) Wooly wolf
(d) Rhinoceros
Ans- B
Q39. All the progeny obtained from a single plant by vegetative propagation are called
(a) Clones
(b) Pure line
(c) Indeed line
(d) Pedigree line
Ans- A
Q40. What is a Sponge ?
(a) A fungus
(b) A fossil
(c) A plant
(d) An animal
Ans- D
Q41. Which of the following blood groups may be present in the children of a couple having blood groups A and B respectively?
(a)A and B only
(b)A B and AB
(c)A B AB and O
(d)A B only
Ans- C
Q42. Which of the following diseases is caused by a virus?
(a)Poliomyelitis
(b)Malaria
(c)Whooping cough
(d)Ringworm
Ans- A
Q43. Which of the following is known as Vitamin B1?
(a)Retinol
(b) Thiamin
(c) Riboflavin
(d) Ascorbic Acid
Ans- A
Q44. Which of the following is true ?
(a)DNA is the genetic material in most of the organism
(b)RNA is the genetic material in most viruses and bacteria
(c)DNA is the genetic material in all the viruses
(d)RNA is the genetic material in all the viruses
Ans- A
Q45. Pathogenic bacteria secrete
(a)Antigens
(b) Antibodies
(c) Hormones
(d) Interferon’s
Ans- A
Q46.Where is the Botanical Survey of India headquartered ?
(a)Lucknow
(b) Darjeeling
(c) Kolkata
(d) Oottaccamund
Ans- C
Q47. Who amongst the following was awarded Nobel Prize for path breaking contributions to develop treatment against Parkinson s disease ?
(a)Arvid Carlsson
(b)Walter Kohn
(c)Robert B. Laughlin
(d)Ferid Murad
Ans- A
Q48. Which of the following food items is rich in iron ?
(a)Rice
(b) Apple
(c) Pulses
(d) Orange
Ans- B
Q49. Who discovered Cholera germs?
(a)Robert Koch
(b)Rene Laennec
(c)Dresser
(d)Hansen
Ans- D
Q50. Sweetex used by the diabetic patients has energy content of:
(a)Five calories
(b)Ten calorie
(c)Hundred calories
(d)Zero calories
Ans- D