General Science - Biology MCQs
31. Which among the following controls the protein synthesis and heredity ?
[A] Amino acids
[B] Genes
[C] DNA
[D] RNA
Show Answer
Correct Answer: B [Genes]
Notes:
Genes controls the protein synthesis and heredity. It is the basic physical and functional unit of heredity and are made up of DNA. Some genes act as instructions to make molecules called proteins.
32. The gastric acid which is secreted by the stomach epithelium cells is actually which of the following ?
[A] H2So4
[B] HCL
[C] H20
[D] H2s
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Correct Answer: B [HCL]
Notes:
These cells are also called Parietal cells and produce gastric acid (hydrochloric acid) in response to histamine , acetylcholine and gastrin receptors
33. Consumption of a high amount of which of the following may cause cirrhosis ?
[A] Alcohol
[B] Tobacco
[C] Caffeine
[D] Soft drinks
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Correct Answer: A [Alcohol]
Notes:
Alcoholic cirrhosis develops for between 10% and 20% of individuals who drink heavily for a decade or more
34. Sexual cannibalism is a concept in which the female kills the male after mating and is normally found in _________?
[A] Dragon fly
[B] Spider
[C] Honey Bee
[D] None of the above
Show Answer
Correct Answer: B [Spider]
Notes:
In Honey Bee the male itself dies after copulation.
sexual cannibalism is common in many families of spiders and scorpions
35. Which among the following disease is caused by deficiency of Nicotinic acid?
[A] Anemia
[B] Pellagra
[C] Dermatitis
[D] Goiter
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Correct Answer: B [Pellagra]
Notes:
Pellagra is caused by deficiency of Nicotinic acid. Niacin which is also known as nicotinic acid, is an organic compound. It is a form of vitamin B3, an essential human nutrient.
36. Kazimierz Funk or Casimir Funk, was a Polish biochemist, generally credited with the first formulation of the concept of which of the following ?
[A] Amino Acids
[B] DNA
[C] RNA
[D] Vitamins
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Correct Answer: D [Vitamins]
Notes:
Kazimierz Funk (1884 – 1967) was a Polish biochemist, and one of the first to formulate the concept of Vitamins.
37. Which among the following is not a carnivorous plant?
[A] Pitcher plant
[B] Venus Fly Trap
[C] waterwheel plant
[D] Marsh Mallow
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Correct Answer: D [Marsh Mallow]
Notes:
Marsh Mallow is not a carnivorous plant. Whereas Pitcher plant, Venus Fly Trap and waterwheel plant are carnivorous plants. Carnivorous plants derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods.
38. Who among the following worked on Tuberculosis?
[A] Robert Koch
[B] Karl Ernst von Baer
[C] Erwin Neher
[D] Richard Goldschmidt
Show Answer
Correct Answer: A [Robert Koch]
Notes:
Before 1880s, tuberculosis was considered to be an hereditary disease. Koch, through his experiments was able to prove that causative agent of tuberculosis is the slow-growing Mycobacterium tuberculosis. He tried to develop a drug Tuberculin also to treat TB but eventually that drug did not work.
39. Which among the following correctly defines Hypoglycemia ?
[A] Lower than normal level of thyroxin secretion
[B] Lower than normal level of protein
[C] Lower than normal secretion of one or more of the eight hormones normally produced by the pituitary gland
[D] Lower than normal level of blood glucose
Show Answer
Correct Answer: D [Lower than normal level of blood glucose]
Notes:
Hypoglycemia is a condition in which your blood sugar which is also called as glucose is lower than normal in human body. Diabetes treatment and other conditions can cause hypoglycaemia.
40. Global Fund to Fight AIDS, Tuberculosis and Malaria commonly called “The Global Fund” or “GFATM” was established In which year ?
[A] 1999
[B] 2000
[C] 2002
[D] 2004
Show Answer
Correct Answer: C [2002]
Notes:
The Global Fund to Fight AIDS, Tuberculosis and Malaria commonly called “The Global Fund” or “GFATM” is an international financing and partnership organization. It is designed to accelerate the end of AIDS, tuberculosis and malaria as epidemics.
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