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Free download PDF of Zoology questions and answers in multiple choice type(mcqs) for SSC CGL, Data Entry Operator, Postal Assistant, UPSC, Railway Exams. These previous years general awareness quiz objective questions answers for competitive exam are very important for prelims and mains exams.
(21)
‘ELISA’ test is employed to diagnose:
[A]
Cancer
[B]
Polio virus
[C]
AIDS antibodies
[D]
Tuberculosis bacterium
Comment
(22)
Why excessive heating and repeated use of cooking oil is most undesirable?
[A]
Loss and wastage of oil
[B]
Nutrient value of food is lost
[C]
Carcinogenic substances like benzpyrene are produced
[D]
The oil vapours can cause indoor population
Comment
(23)
Which one of the following is a female sex hormone?
[A]
Estrogen
[B]
Insulin
[C]
Oxytocin
[D]
Androgen
Comment
(24)
Labourers who do hard manual labour develop thick skin on their palms and soles due to:
[A]
thick epidermis
[B]
thick dermis
[C]
thick subcutaneous tissue
[D]
all of these
Comment
(25)
AIDS virus has:
[A]
single-stranded RNA
[B]
double stranded RNA
[C]
single stranded DNA
[D]
double stranded DNA
Comment
(26)
A ‘breath test’ used by traffic police to check drunken driving uses:
[A]
turmeric on filter paper
[B]
silica gel coated with silver nitrate
[C]
potassium perma-nganate-sulphuric acid
[D]
potassium dichromate-sulphuric acid
Comment
(27)
Anglo-Nubian is a breed of:
[A]
Sheep
[B]
Goat
[C]
Poultry
[D]
Cattle
Comment
(28)
What kind of soil is treated with gypsum to make it suitable for cropping?
[A]
Acidic
[B]
Alkaline
[C]
Water-logged
[D]
Soil with excessive clay content
Comment
(29)
Typhoid fever is caused by-
[A]
allergy
[B]
fungus
[C]
bacteria
[D]
virus
Comment
Answer: Option [C]
Typhoid fever is a life-threatening illness caused by Salmonella Typhi bacteria. Paratyphoid fever is a life-threatening illness caused by Salmonella Paratyphi bacteria.
(30)
Which of the following blood group is a universal recipient?
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