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General Knowledge > General Science

SCIENCE FUNDAMENTALS MCQs

General Science Mixed, Science, Fundamentals Vectors

Total Questions : 736 | Page 73 of 74 pages
Question 721. AIDS is caused by:
  1.    Fungus
  2.    Virus
  3.    Helminth
  4.    Bacteria
 Discuss Question
Answer: Option B. -> Virus
Question 722. Which layer protects earth from harmful rays of the Sun?
  1.    Ozone layer
  2.    Magnetosphere
  3.    Ionosphere
  4.    Troposphere
 Discuss Question
Answer: Option A. -> Ozone layer
Question 723. Which of the following schemes is launched for the school going children:
  1.    Sarva Shiksha Abhiyan
  2.    Lok Jumbish
  3.    Ayush
  4.    Mid day meal
 Discuss Question
Answer: Option D. -> Mid day meal
Question 724. Which is the absolute temperature scale?
  1.    Kelvin
  2.    Celsius
  3.    Fahrenheit
  4.    All of these
 Discuss Question
Answer: Option A. -> Kelvin
Question 725. What are metal bearing rocks called?
  1.    Ores
  2.    Bauxite
  3.    Metalloids
  4.    Bitumen
 Discuss Question
Answer: Option A. -> Ores
Question 726. The percentage of oxygen present in air is approximately-
  1.    0.21
  2.    0.23
  3.    0.44
  4.    0.4
 Discuss Question
Answer: Option A. -> 0.21
Question 727. Newton is the unit of:
  1.    Force
  2.    Acceleration due to gravity
  3.    Velocity
  4.    Momentum
 Discuss Question
Answer: Option A. -> Force
Question 728. Angular momentum is ______
  1.    A scalar vector
  2.    An axial vector
  3.    a Polar vector
  4.    A displacement vector
 Discuss Question
Answer: Option B. -> An axial vector
Question 729. Any vector in an arbitrary direction can always be replaced by two (or three)
  1.    Parallel vectors which have the original vector as their resultant
  2.    Mutually perpendicular vectors which have the original vector as their resultant
  3.    Arbitrary vectors which have the original vector as their resultant
  4.    It is not possible to resolve a vector
 Discuss Question
Answer: Option C. -> Arbitrary vectors which have the original vector as their resultant
Question 730. Color model is also called
  1.    Color system
  2.    Color space
  3.    Color area
  4.    Both a and b
 Discuss Question
Answer: Option D. -> Both a and b

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