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




All Questions are from Year - 2018 or older

Question 31 :
One of the most resistant known biological material is

  1. lignin
  2. hemicelluloses
  3. sporopollenin
  4. lignocelluloses
  

Question 32 :
A lens which is thicker in the middles and thinner at the edges is called a lens.

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

Question 33 :
A. The resistance of super conductor is zero. B. The super conductor are used for the transmission of electric power.

  1. A and B are true
  2. A and B are false
  3. A is true and B is false
  4. A is false and B is false
  

Question 34 :
Which of the following acids is called the king of the acids?

  1. acetic acid
  2. phosphoric acid
  3. oxalic acid
  4. sulphuric acid
  

Question 35 :
The ultimate cause for movement of water against gravity in a tree is

  1. osmosis
  2. imbibitions
  3. transpiration
  4. photosynthesis
  

Question 36 :
Rh factor is named after

  1. Drosophila
  2. a Monkey
  3. a Rat
  4. a Man
  

Question 37 :
Sodium bicarbonate is also known as

  1. washing soda
  2. baking soda
  3. glauber's salt
  4. lime soda
  

Question 38 :
An ice cube is floating in a glass of water. What happens to the water level when the ice melts?

  1. rises
  2. falls
  3. remains same
  4. first rises and then falls
  

Question 39 :
The smallest blood vessel in the body is a

  1. capillary
  2. artery
  3. vena cava
  4. vein
  

Question 40 :
Sound travels fastest in

  1. water
  2. steel
  3. air
  4. kerosene oil
  

Question 41 :
In which of the following media will sound travel the fastest?

  1. solid
  2. both solid and liquid
  3. liquid
  4. gas
  

Question 42 :
Oxygen is transported in blood mainly by

  1. leucocytes
  2. erythrocytes
  3. thromobocytes
  4. blood plasma
  

Question 43 :
An enzyme which can only act in acidic medium is

  1. pepsin
  2. trypsin
  3. rennin
  4. amylase
  

Question 44 :
There are how many pairs of cranial nerves in a human?

  1. 8
  2. 12
  3. 25
  4. 31
  

Question 45 :
Which one of the following crop doesn't required more nitrogen fertilizers?

  1. Maize
  2. Paddy
  3. Clover (Berseem)
  4. Sugarcane
  

Question 46 :
The electronic configuration of chlorine with atomic number 17 is

  1. 39121
  2. 38757
  3. 39123
  4. 39853
  

Question 47 :
Rh factor was discovered by

  1. William Harvey
  2. Landsteiner
  3. Robert Hook
  4. C. De Duve
  

Question 48 :
The tricuspid valve occurs between the

  1. right auricle and right ventricle
  2. pulmonary aorta
  3. carotico-systemic aorta and left ventricle
  4. left ventricle
  

Question 49 :
Continuous fever headache slow pulse pain in the stomach rose colored ashes are the major symptoms of

  1. plague
  2. typhoid
  3. mumps
  4. measles
  

Question 50 :
The part of digestive system where no digestion occurs

  1. duodenum
  2. esophagus
  3. stomach
  4. mouth
  

Question 51 :
Which one of the following statements is not correct?

  1. All metals are solid at room temperature
  2. All metals are good conductor of heat and electricity
  3. All metals from basic oxides
  4. All metals possess luster when freshly prepared
  

Question 52 :
Striated muscles are found in

  1. gallbladder
  2. wall of bladder
  3. leg muscles
  4. lungs
  

Question 53 :
The mirror used in automobiles to see the rear field of view is

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

Question 54 :
Sebaceous glands are found in

  1. dermis of skin of mammals
  2. epithelium of intestine of frog
  3. epithelium of stomach of frog
  4. epidermis of skin mammals
  

Question 55 :
A rocket works on the

  1. first law of motion
  2. second law of motion
  3. third law of motion
  4. law of conservation of energy
  

Question 56 :
Sound becomes a hazardous noise pollution if its level is a above

  1. 30 Db
  2. 120 dB
  3. 80 dB
  4. 150 Db
  

Question 57 :
The reserve food in fungal cell is

  1. glucose
  2. fructose
  3. glycogen
  4. starch
  

Question 58 :
Who discovered by his experiments with glass prisms that white light consists of seven colours?

  1. Newton
  2. Faraday
  3. Maxwell
  4. Young
  

Question 59 :
Which of the hormones is responsible for the emotional state such as fear and anger and causes rise of blood pressure and rate of heartbeat?

  1. insulin
  2. adrenaline
  3. progesterone
  4. thyroxine
  

Question 60 :
Blood groups in man were discovered by

  1. Mendel
  2. Francis Nelson
  3. S. Miller
  4. Landsteiner
  
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