General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part21 : 21 to 25

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

21.Blood does not colt in the absence of Vitamin K because it is :

essential for synthesis of prothrombin

essential for synthesis of fibrinogen

an essential component of the colt

an essential component of the platelets

22.A popping sound is heard in the ear when yawning or swallowing. This is caused by :

air in the cochlea

the opening of the Eustachian tubes

air entering the perilymph

the moving of the jaws

23.Which of the following statements regarding nitrogen nutrition of plants is wrong ?

Legumes do not require nitrogen fertilisers

Green plants can fix nitrogen from the atmosphere into nitrate

The problem of nitrogen fertiliser could be reduced if Rhizobium can be grown in the roots of cereal plants.

Only a few gifted prokaryotes can fix atmospheric nitrogen into nitrate

24.Diabetes is caused due to the malfunctioning of :

liver

kidneys

pancreas

spleen

25.The hormone responsible for the secretion of milk in mothers is :

adrenalin

locatogenic hormone

ACTH

lentinzing hormone

More General Science QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha

Too many of us are not living our dreams because we are living our fears.- Les Brown

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