Top 1000 GK Questions for Competitive Exams
Blood does not clot in the blood vessels due to the presence of
(A) Thrombin
(B) Fibrinogen
(C) Heparin
(D) Prothrombin
Correct Answer : A
Water can be separated from alcohol water mixture by
(A) Decantation
(B) Evaporation
(C) Distillation
(D) Sublimation
Correct Answer : C
The connective tissue that connects a muscle to a bone is
(A) Cartilage
(B) Ligament
(C) Tendon
(D) Interstitial Fluid
Correct Answer : C
Earth’s escape velocity is –
(A) 15.0 km / sec
(B) 21.0 km / sec
(C) 7.0 km / sec
(D) 11.2 km / sec
Correct Answer : D
Who among the following anticipated Newton by declaring that all things gravitate to the earth?
(A) Aryabhatta
(B) Varahamihira
(C) Buddhagupta
(D) Brahmagupta
Correct Answer : D
What is the average density of the earth?
(A) $${0.49 g/cm{^3}}$$
(B) $${3.3 g/cm{^3}}$$
(C) $${1 g/cm{^3}}$$
(D) $${5.513 g/cm{^3}}$$
Correct Answer : D
How is the relative humidity expressed?
(A) gram
(B) Kilogram
(C) Percent
(D) Ratio
Correct Answer : C
Which of the following instruments measures electromagnetic radiation?
(A) Pyrheliometer
(B) Cathetometer
(C) Bolometer
(D) Phenograph
Correct Answer : C
What do AIDS viruses destroy?
(A) Lymphocyte
(B) Monocyte
(C) Neutrophils
(D) Basophils
Correct Answer : A
From whom do teeth and bones gain strength and firmness?
(A) Calcium
(B) Fluorine
(C) Chlorine
(D) Sodium
Correct Answer : A