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




All Questions are from Year - 2018 or older

Question 151 :
Permanent magnets can be made from

  1. Ni steel
  2. cobalt steel
  3. stainless steel
  4. wrought iron
  

Question 152 :
Pituitary gland is found in

  1. around trachea
  2. gonad
  3. pancreas
  4. brains
  

Question 153 :
Which of the following is not an endocrine gland?

  1. Salivary gland
  2. Pituitary gland
  3. Thyroid gland
  4. Adrenal gland
  

Question 154 :
The common name of sodium bicarbonate is

  1. lime
  2. baking powder
  3. baking soda
  4. washing soda
  

Question 155 :
Which of the following physical quantities is different from others?

  1. speed
  2. distance
  3. energy
  4. average velocity
  

Question 156 :
The process of respiration is concerned with

  1. liberation of oxygen
  2. liberation of carbon dioxide
  3. liberation of energy
  4. intake of oxygen
  

Question 157 :
Which one is used for weeding?

  1. Insecticides
  2. Weedicides
  3. Herbicides
  4. Pesticides
  

Question 158 :
Function of a Centriole is

  1. formation of spindle fibers
  2. formation of nucleolus
  3. initiation of cell division
  4. formation of cell plate
  

Question 159 :
The upward force acting on the body immersed in a fluid is called

  1. hydrostatic pressure
  2. buoyant force
  3. true weight
  4. net force
  

Question 160 :
Soaps are sodium salts of

  1. mineral acids
  2. fatty acids
  3. bases
  4. carbonic acid
  

Question 161 :
Largest part of the brain of human being is called

  1. olfactory lobe
  2. cerebral hemisphere
  3. corpus callosum
  4. optic nerve
  

Question 162 :
About how much saliva does a person produce each day?

  1. 100 ml
  2. 250 ml
  3. 500 ml
  4. 1500 ml
  

Question 163 :
The SI unit of electric current is

  1. ampere
  2. candela
  3. mole
  4. none of these
  

Question 164 :
Which of the following acids is present in sour milk?

  1. glycolic acid
  2. lactic acid
  3. citrus acid
  4. tartaric acid
  

Question 165 :
The carbon content in steel is

  1. 0.1 — 5.0%
  2. 2.0 — 2.5%
  3. 0.1— 1.5%
  4. less than 0.1
  

Question 166 :
The buoyant force depends on

  1. depth of a liquid
  2. colour of a liquid
  3. density of liquid
  4. none of these
  

Question 167 :
Long-sightedness is caused by the eyeball being too short. It can be corrected by the use of a

  1. convergent lens
  2. plane mirror
  3. divergent lens
  4. none of these
  

Question 168 :
Mountain sickness results due to

  1. anaemic hypoxia
  2. arterial hypoxia
  3. lack of sufficient RBCs
  4. lack of sufficient WBCs
  

Question 169 :
At high altitude RBCs of human blood will

  1. increase in number
  2. decrease in number
  3. decrease in size
  4. increase in size
  

Question 170 :
Man made synthetic fibre is

  1. wool
  2. rayon
  3. nylon
  4. cotton
  

Question 171 :
Oxygenated blood is carried by

  1. pulmonary vein
  2. pulmonary artery
  3. hepatic portal vein
  4. renal vein
  

Question 172 :
The number of atoms present in a molecule of an element is known as its

  1. valency
  2. atomicity
  3. chemical Formula
  4. symbol
  

Question 173 :
the flowing water of a river possesses energy.

  1. gravitational
  2. potential
  3. electrical
  4. kinetic
  

Question 174 :
Most of the refraction of light takes place in the

  1. iris
  2. cornea
  3. pupil
  4. retina
  

Question 175 :
A body is thrown vertically upwards with a velocity u. Find the true statement from the following.

  1. Both velocity and acceleration are zero at its highest point
  2. Velocity is maximum and acceleration is zero at the highest point.
  3. Velocity is maximum and acceleration is of downwards at its highest point
  4. Velocity is zero at the higher point and maximum height u2 reached is 2g
  

Question 176 :
Which one of following is called pace maker of the heart?

  1. SA node
  2. AV node
  3. Chordae tendianae
  4. AV septum
  

Question 177 :
Which of the following is not a chemical change?

  1. rusting of iron
  2. converting water into steam
  3. making curd from milk
  4. heating coal
  

Question 178 :
Random Movement of particles was discovered by

  1. Robert Brown
  2. E. Goldstein
  3. James Chadwick
  4. Wilhein Weins
  

Question 179 :
Which of the following has no blood but respires?

  1. earthworm
  2. hydra
  3. cockroach
  4. fish
  

Question 180 :
In mammals oxygenated blood enters the heart at the

  1. right atrium
  2. left atrium
  3. right ventricle
  4. left ventricle
  
Pages