Science and Scientific Research - General Knowledge Questions and Answers

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(Q1) General Knowledge » Science and Scientific Research

______ is a disorder resulting in abnormal electrical discharges from the brain cells causing seizures.

A

Prostatitis

B

Epilepsy

C

Hypoglycaemia

D

Rheumatoid arthritis

(Q2) General Knowledge » Science and Scientific Research

Bacille Calmette-Guérin (BCG) is a vaccine for ______.

A

typhoid

B

plague

C

mumps

D

tuberculosis (TB)

(Q3) General Knowledge » Science and Scientific Research

Acceleration is equal to the rate of change of ______.

A

displacement

B

position

C

velocity

D

momentum

(Q4) General Knowledge » Science and Scientific Research

Acidic drain cleaners made of ______ or ______ acid are powerful enough to clear heavy-duty hair, food, grease, soap scum or paper-based clogs in 15 minutes or less.

A

 formic, citric

B

 malic, lactic

C

 sulphuricc, hydrochloric

D

 nitric, carbonic

(Q5) General Knowledge » Science and Scientific Research

Which of the following is a property of Beryllium?

A

Has a low melting and boiling point

B

Reacts with water

C

Forms covalent compounds

D

Forms ionic compounds

(Q6) General Knowledge » Science and Scientific Research

Decrease in which of the following factors leads to an increase in the rate of evaporation?

A

Humidity

B

Wind speed above the surface of the liquid

C

Area of the free surface of the liquid concerned

D

Ambient temperature

(Q7) General Knowledge » Science and Scientific Research

Solids like fats, grease and oil that float on top of liquid wastewater is called ______.

A

peat

B

compost

C

urea

D

sludge

(Q8) General Knowledge » Science and Scientific Research

Which of the following is more suitable than the others for the growth of cashew nut?

A

 Red laterite soil

B

 Arid soil

C

 Black cotton soil

D

 Alluvial soil

(Q9) General Knowledge » Science and Scientific Research

A ‘gnomon’ is a part of a _____.

A

bolometer

B

transformer

C

telescope

D

sundial

(Q10) General Knowledge » Science and Scientific Research

In order to get clean drinking water disinfectant is used after filtration. Disinfectant, however, is NOT used for removing:

A

 bacteria

B

 viruses

C

 minerals

D

 parasites

(Q11) General Knowledge » Science and Scientific Research

According to the Central Ground Water Board, BIS (IS_10500 and revised module IS 10500:2012) specifications in Uniform Drinking Water Quality Monitoring Protocol, what is the acceptable pH value of drinking water specification in India?

A

 4.5 - 9.5

B

 3.5 - 5.5

C

 6.5 - 8.5

D

 5.5 - 7.5

(Q12) General Knowledge » Science and Scientific Research

Colloidal systems – such as gum, starch, proteins, cellulose, agar and gelatine – when placed in water, will absorb a large volume of water and swell up. These substances are called ______.

A

combustibles

B

imbibants

C

apoplasts

D

porins

(Q13) General Knowledge » Science and Scientific Research

Which of the following is NOT a type of mosquito?

A

 Culex

B

 Anopheles

C

 Limulus

D

 Aedes

(Q14) General Knowledge » Science and Scientific Research

Which of the following is the middle layer in the root apical meristem that gives rise to the cortex?

A

 Calyptrogen

B

 Periblem

C

 Dermatogen

D

 Plerome

(Q15) General Knowledge » Science and Scientific Research

Which of the following is the horizontal distance between two successive crests?

A

 Wave height

B

 Wave length

C

 Wave frequency

D

 Wave period

(Q16) General Knowledge » Science and Scientific Research

Hot water can be a pollutant if it comes from:

(a) A hot spring (b) A power plant (c) An industry

A

 Only (a)

B

 Only (c)

C

 Only (b)

D

 Both (b) and (c)

(Q17) General Knowledge » Science and Scientific Research

How many eyes does a bee have?

A

 Two

B

 Three

C

 Four

D

 Five

(Q18) General Knowledge » Science and Scientific Research

In the context of the spread of germs by faecal matter, which of the following does NOT figure in the F-Diagram?

A

 Flies

B

 Fluids

C

 Fungi

D

 Fingers

(Q19) General Knowledge » Science and Scientific Research

Which gas is used by chemical leaveners, such as baking powder and baking soda, to lighten and aerate baked goods?

A

Hydrogen

B

Carbon dioxide

C

Nitrogen

D

Helium

(Q20) General Knowledge » Science and Scientific Research

In ecology, _________ is determined by dividing the biomass per unit area by the age of the forest ecosystem.

A

biomass density

B

biomass size

C

biomass productivity

D

biomass energy flow