541 . Sour taste of 'Coca Cola' is due to the presence of
A.  acetic acid
B.  phosphoric acid
C.  hydrochloric acid
D.  formic acid
View Answer Discuss in Forum
542 . What is the common in AIDS, Mumps and Poliomyelitis ?
A.  Young children get affected most readily
B.  No effective vaccine has yet been developed for them
C.  These are caused by viruses
D.  Their germs can be transmitted through blood transfusions
View Answer Discuss in Forum
543 . The Sultan who is said to have raised the land revenue to one-half of the production was
A.  Balban
B.  Ala-ud-din Khilji
C.  Muhammad bin Tughluq
D.  Firoz Tughluq
View Answer Discuss in Forum
544 . Which one of the following pairs is not correctly matched ?
A.  Tharu : Uttarakhand
B.  Bhutia : Uttar Pradesh
C.  Munda : Bihar
D.  Adiyan : Rajasthan
View Answer Discuss in Forum
545 . 'Transhumance' refers to
A.  migration of animals in ranches
B.  human migration in search of job
C.  seasonal movement of people and their herds from valley to mountain and vice versa
D.  migration of nomads
View Answer Discuss in Forum
546 . Real wage is
A.  $Profit \over Price \,\, level$
B.  $Rent \over Price \,\, level$
C.  $Interest \over Price \,\, level$
D.  $Money wage \over Price \,\, level$
View Answer Discuss in Forum
547 . If the average revenue is a horizontal straight line, marginal revenue will be
A.  U shaped
B.  Kinked
C.  Identical with average revenue
D.  L shaped
View Answer Discuss in Forum
548 . A unit price elastic demand curve will touch
A.  both price and quantity axis
B.  neither price axis, nor quantity axis
C.  only price axis
D.  only quantity axis
View Answer Discuss in Forum
549 . 'Sodium Pump' operates in
A.  Muscle contraction
B.  Heart beat
C.  Nerve impulse
D.  None of the above
View Answer Discuss in Forum
550 . In the long-run equilibrium, a competitive firm earns
A.  Super-normal profit
B.  Profits equal to other firms
C.  Normal profit
D.  No profit
View Answer Discuss in Forum
551 . If the diameter of a capillary is doubled, then the rise of water in it will be
A.  two times
B.  half
C.  four times
D.  no change
View Answer Discuss in Forum
552 . A Black Market is a situation wherein
A.  Goods are loaded by the producers
B.  Goods are sold secretly
C.  Goods are sold at prices higher than what is fixed by the Government
D.  Goods are made available (sold) only after there is a rise in prices
View Answer Discuss in Forum
553 . What is 'milk of magnesia' chemically ?
A.  Magnesium carbonate
B.  Sodium bicarbonate
C.  Calcium hydroxide
D.  Magnesium hydroxide
View Answer Discuss in Forum
554 . Eyes of potato are useful for
A.  Nutrition
B.  Respiration
C.  Reproduction
D.  Vegetative propagation
View Answer Discuss in Forum
555 . What is the normal blood sugar level of a human being ?
A.  Close to 10 mg/ml
B.  120 - 150 mg/dl
C.  80 - 90 mg/dl
D.  150 - 200 mg/dl
View Answer Discuss in Forum
Sponsored Links
Advertisements

Copyright 2018 | Privacy Policy | Terms and Conditions | Contact us | Advertise