Everyday Science Best MCQs Old Solved Paper for NTS FPSC SPSC PPSC KPPSC

Everyday Science Best MCQs Old Solved Paper for NTS FPSC SPSC PPSC KPPSC

(18) Deficiency of following vitamin decreases hemoglobin production:

a. Biotin
b. Thiamine
c. Niacin
d. Pyridoxine (known as Vitamin B6, causes anemia i.e. deficiency of hemoglobin)
e. None of these

(19) Hygrometer is used for measuring the:

a. Speed of sound
b. Density of milk
c. Humidity of air
d. Specific gravity of liquids
e. None of these

(20) Bronze is an alloy of:

a. Copper and Zinc
b. Tin and Zinc
c. Copper and Tin 
d. Iron and Zinc
e. None of these

(21) Which of the following is most elastic ?

a. Steel 
b. Rubber
c. Glass
d. Sponge
e. None of these

(22) Orbital period of the planet Mercury around the sun is:

a. 88 days 
b. 365 days
c. 2 years
d. 98 days
e. None of these

(23) The most splendid and the most magnificent constellation on the sky is:

a. Orion
b. Columbia
c. Canis Major
d. Taurus
e. None of these

(24) “Black holes” refer to:

a. Hole occurring in heavenly bodies
b. Bright spots on the sun
c. Collapsing objects of high density
d. Collapsing of low density
e. None of these

(25) Eugenics is the study of:

a. Altering human beings by changing their genetic components (close to the actual definition)
b. People of European region
c. Different races of mankind
d. Genetic of plants
e. None of these

Eugenics: study of the possibility of racial improvement through selective breeding and other methods