Everyday Science Test 20

Total Questions: 31

1 - Nitrogen is prepared in the laboratory by heating

A ) Ammonium sulphate
B ) Ammonium nitrate
C ) The mixture of ammonium chloride and sodium nitrate ✅
D ) The mixture of ammonium chloride and calcium oxide

2 - The material used for bleaching paper pulp is

A ) Caustic soda
B ) Sodium hypochlorite ✅
C ) Lime
D ) Alum

3 - Which of the following pairs of compounds is organic

A ) Urea and ammonium carbonate
B ) Ethyl alcohol and methyl acetate ✅
C ) Sodium bromide and sodium chloride
D ) Ammonium phosphate and benzal chloride

4 - Sodium thiosulfate is used in photography because

A ) It is a reducing agent
B ) It is oxidizing agent
C ) It reacts with light
D ) It helps in fixing the photograph ✅

5 - The elements required for the development of strong bones are

A ) Sodium and calcium
B ) Sodium and phosphorus
C ) Phosphorus and calcium ✅
D ) Phosphorus and magnesium

6 - Elements that not occur in nature but can be produced artificially is

A ) Uranium
B ) Californium ✅
C ) Radium
D ) Thorium

7 - Mica is extensively used in the manufacturer of

A ) Alcohol
B ) Electrical appliances ✅
C ) Plastic
D ) Terene

10 - Which of the following elements is found common in glass, cement,china clay and quartz?

A ) Photoelectric effect
B ) Stark effect
C ) Thermionic effect
D ) Piezo-electric effect ✅

11 - Black lead is the name given to

A ) Lead metal when its surface is painted black
B ) A complex compound of lead
C ) Graphite ✅
D ) An allotropic form of lead

12 - Orbitals having same energy are

A ) Hybrid
B ) Valence
C ) Degenerate ✅
D ) None

13 - Lewis base is

A ) Electron acceptor
B ) Proton donor
C ) Electron pair donor ✅
D ) Electron pair acceptor

14 - Helium was discovered by

A ) Meteors
B ) Moon
C ) Total solar eclipse ✅
D ) Sun

15 - Which of the following is least infectious

A ) Leprosy ✅
B ) Hepatitis
C ) Tuberculosis
D ) Conjunctivitis

16 - Which of the following is not a mosquito borne disease

A ) Dengue fever
B ) Malaria
C ) Sleeping sickness ✅
D ) Filariasis

17 - The virus of AIDS affects the growth

A ) Haemoglobin
B ) RBCs in blood
C ) T cells in blood ✅
D ) Grey cells in brain

18 - Cirrhosis is a disease that effects

A ) Heart
B ) Liver ✅
C ) Brain
D ) Lungs

19 - Alzheimer's disease in human beings is characterized by the degeneration of

A ) Kidney cells
B ) Nerve cells ✅
C ) Brain cells
D ) Liver cells

20 - A round warm that enters man's body through the soles of the feet is

A ) Leech
B ) Hook warm ✅
C ) Tapeworm
D ) Trichina

21 - Amnesia is related to

A ) Sleeping sickness
B ) Loss of sight
C ) Loss of hearing
D ) Loss of memory ✅

23 - Heart attack is caused due to

A ) Blood sugar
B ) Cholesterol ✅
C ) Blood protein
D ) Blood urea

24 - Meningitis is caused by

A ) Fungi
B ) Salmonella
C ) Meningococcus ✅
D ) Virus menin

25 - In which of the following disease do the germs enter through open wounds

A ) Malaria
B ) Tuberculosis
C ) Typhoid
D ) Tetanus ✅

26 - Diabetes is caused due to the main functioning of

A ) Liver
B ) Kidney
C ) Typhoid
D ) Tetanus ✅

27 - Which of the following disease usually spread through milk

A ) Tuberculosis ✅
B ) Jaundice
C ) Diphtheria
D ) Cholera

29 - Protein which render a cell less susceptible to attack by virus is called

A ) Actomyosin
B ) Chloromycetin ✅
C ) Hybridoma
D ) Inferon

30 - Optic fibers are used in

A ) CAT scans
B ) X-ray photos
C ) Ultrasound scans
D ) Endoscopy ✅

31 - AIDS is confirmed by

A ) HIV+ ✅
B ) HIV-
C ) Blood grouping
D ) Blood cell counting