General Science - Biology MCQs

31. Which among the following is correct about Saliva of a Healthy Human?

[A] It is slightly acidic
[B] It is slightly saline
[C] It is slightly alkaline
[D] It is neutral

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32. In which of the following branches of science study of functions, characteristics, and phenomena observed in the living world and the application of this knowledge to world of machine is studied?

[A] Biometry
[B] Bionics
[C] Bionomy
[D] Bionomy

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33. Which among the following is not a function of Sympathetic nerves in Autonomic nervous system?

[A] Enhancing the heart beats
[B] constricting the blood vessels
[C] dilate pupils
[D] contract urinary bladder

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34. Which among the following is correct about Blood Group B ?

[A] It has B antigen on its red cells and Anti A antigen in its plasma
[B] It has B antigen on its red cells and Anti B antigen in its plasma
[C] It has no antigens on its red cells but, anti A antigen in its plasma
[D] It has B antigen on its red cells but no antigen in its plasma

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35. Who among the following scientists is known for developing techniques for DNA fingerprinting and DNA profiling which are now used all over the world in forensic science to assist police detective work?

[A] Vernon Heywood
[B] Patrick Laidlaw
[C] Alec Jeffreys
[D] Heinz Wolff

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36. Who among the following were awarded Nobel Prize in 1958 for One Gene One Enzyme Concept?

[A] Landsteiner & Weiner
[B] Avery, Mccleod and mc Carthy
[C] Jacob & Wollman
[D] George Beadle and Edward Tatum

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37. Which among the following is a correct definition of Hematocrit?

[A] proportion of blood volume that is occupied by red blood cells
[B] proportion of blood volume that is occupied by white blood cells
[C] proportion of blood volume that is occupied by Leucocytes and Thromobocytes
[D] proportion of blood volume that is occupied by plasma

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38. What is the correct name of premature death of cells and living tissue?

[A] Neutrophilia
[B] Necrosis
[C] Neoplasia
[D] Nephrosis

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39. Which among the following correctly refers to Ischemia?

[A] restriction in blood supply due to factors in the blood vessels
[B] Abrupt fall in the blood Pressure
[C] necrosis in a blood vessel due to a local lack of oxygen
[D] condition of severely deficient supply of oxygen to the body

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40. Which of the following part of the body stores Vitamin A, Vitamin D as well as Vitamin B12?

[A] Brain
[B] Liver
[C] Pancreas
[D] Red Blood Cells

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