General Science (Biology-Physics-Chemestry) Question & Answers MCQ's




All Questions are from Year - 2018 or older

Question 241 :
Momentum is a measure of

  1. weight
  2. mass
  3. quantity of motion
  4. velocity
  

Question 242 :
Asthma is a respiration disease caused due to

  1. infection of trachea
  2. infection of lungs
  3. bleeding into pleura cavity
  4. spasm in bronchial muscles
  

Question 243 :
The mirror used in search lights is

  1. concave
  2. convex
  3. plane
  4. none of these
  

Question 244 :
The eye lens contains a watery liquid called the

  1. aqueous humour
  2. peroxide
  3. vitreous humour
  4. none of these
  

Question 245 :
Which of the following is a non-poisonous snake?

  1. cobra
  2. python
  3. viper
  4. krait
  

Question 246 :
The smallest bone in mammals is

  1. septomaxillary
  2. dentary
  3. femur
  4. stapes
  

Question 247 :
When the object is at focus of a concave mirror the image is formed at

  1. focus
  2. centre of curvature
  3. within focus
  4. infinity
  

Question 248 :
The combined effect of mass and velocity is taken into account by a physical quantity called

  1. torque
  2. moment of force
  3. momentum
  4. moment of momentum
  

Question 249 :
The distance between two consecutive crests is L then the wavelength is given by

  1. L/2
  2. 2 L
  3. 4 L
  4. L
  

Question 250 :
Which of the following is responsible for guttation?

  1. root pressure
  2. transpiration
  3. photosynthesis
  4. osmosis
  

Question 251 :
The audible range of frequency is

  1. 20 Hz to 20 000 Hz
  2. 40 Hz to 40 000 Hz
  3. 60 Hz to 60 000 Hz
  4. 10 Hz to 20 000 Hz
  

Question 252 :
The planet having the largest number of satellites amongst the following is

  1. Jupiter
  2. Saturn
  3. Uranus
  4. Mars
  

Question 253 :
Which of the following is a non-luminous body?

  1. fire
  2. sun
  3. stars
  4. earth
  

Question 254 :
DTP vaccine is given to infants to immunize them against

  1. diphtheria pneumonia and typhoid
  2. diphtheria whooping cough and tetanus
  3. diarrhea pneumonia and tuberculosis
  4. diphtheria whooping cough and typhoid
  

Question 255 :
Which of the following is used for making magnets?

  1. duralumin
  2. magnalium
  3. bronze
  4. alnico
  

Question 256 :
Which of the following diseases is caused by a virus?

  1. typhoid
  2. cholera
  3. influenza
  4. diphtheria
  

Question 257 :
Soda bottles are made of thick glass so that they can withstand the

  1. pressure in summer
  2. temperature in summer
  3. decrease in viscosity
  4. increase in potential energy
  

Question 258 :
Deficiency of vitamin C causes

  1. rickets
  2. beriberi
  3. scurvy
  4. night blindness
  

Question 259 :
The first thermometer was developed by

  1. Joule
  2. Fahrenheit
  3. Galileo
  4. Watt
  

Question 260 :
A mammal excretes nitrogen in the form of

  1. ammonium ions
  2. amino acids
  3. urea
  4. uric acid
  

Question 261 :
What is blood pressure?

  1. the pressure of blood on the heart muscle
  2. the pressure of blood exerted on the walls of arteries and veins
  3. the pressure of blood on the walls of veins only
  4. the pressure of blood on the walls of arteries only
  

Question 262 :
Bulliform cells are present in

  1. lower epidermis of monocot leaves
  2. upper epidermis of monocot leaves
  3. dicot stem
  4. upper epidermis of dicot leaves
  

Question 263 :
The main constituents of cement are:

  1. calcium oxide silicon dioxide Aluminium oxide
  2. calcium oxide Iron oxide Sulphur dioxide
  3. magnesium oxide Silicon dioxide Aluminium oxide
  4. none of these
  

Question 264 :
The law which defines force is

  1. Newton's third law of motion
  2. Newton's first law of motion
  3. Newton's second law of motion
  4. Newton's law of gravitation
  

Question 265 :
Seeds are called the products of sexual reproduction due to

  1. it gives rise to new plants
  2. formation by fusion of pollen tubes
  3. it can survive for longer periods
  4. are formed by fusion of gametes
  

Question 266 :
Cinnabar is an ore of

  1. Pb
  2. Zn
  3. Hg
  4. Cu
  

Question 267 :
The tip of the lead pencil is made of

  1. lead
  2. graphite
  3. zinc
  4. charcoal
  

Question 268 :
Which of the following is least compressible?

  1. gas
  2. liquid
  3. solid
  4. none of these
  

Question 269 :
Dark reaction in photosynthesis is called so because

  1. it does not require light energy
  2. cannot occur during daytime
  3. occurs more rapidly at night
  4. it can also occur in darkness
  

Question 270 :
Metallurgy is the process of

  1. extracting metals from the Ore
  2. roasting the Ore
  3. liquefaction of nitrogen
  4. adding carbon to the Ore in blast furnace
  
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