JKSSB Supervisor Exam 2024 - Expected Science Questions

JKSSB Supervisor Exam 2024 -Expected Science Questions
JKSSB Supervisor Exam 2024 -Expected Science Questions

1. Nuclear energy is a ------------.
(a) Renewable sources of energy
(b) Non-renewable sources of energy
(c) Neither renewable and non-renewable sources of energy
(d) None of the option

2. Which among the following causes environmental pollution?
(a) Biomass
(b) Solar energy
(c) Coal
(d) Wind

3. ------------ is used in thermal power plants.
(a) Uranium
(b) Thorium
(c) Air
(d) Fossil fuels

4. Why is biogas considered a ‘good’ source of energy?
(a) as it burns with releasing smoke
(b) as it burns without releasing smoke
(c) as it burns without oxygen
(d) None of the option

5. The component of biogas is -
(a) Uranium
(b) Thorium
(c) Methane
(d) Hydrochloric acid

6.The Gravitational pull of ____causes tides on earth ?
(a) Venus
(b) Pluto
(c) Sun
(d) Moon

7. The power generated in a windmill -------
(a) depends on the tower height
(b) depends on wind velocity
(c) does not depend on wind velocity
(d) depends on the trees surrounding it

8. Carbon dioxide causes ------
(a) White house effect
(b) Red house effect
(c) Blackhouse effect
(d) Greenhouse effect

9. Non-conventional sources of energy are -
(a) Exhaustible
(b) Inexhaustible
(c) Neither exhaustible nor inexhaustible
(d) Too expensive

10. Biogas is also known as ---.
(a) Fuel gas
(b) Ethane gas
(c) Gobar gas
(d) Petroleum gas

11. In a hydro power plant
a) Potential energy possessed by stored water is converted into electricity
b) Kinetic energy possessed by stored water is converted into potential
c) Electricity is extracted from water
d) Water is converted into steam to produce electricity

12.Acid rain happens because
a) Sun leads to heating of upper layer of atmosphere
b) Burning of fossil fuels release oxides of carbon, nitrogen and sulphur in
the atmosphere.
c) Electrical charges are produced due to friction amongst clouds
d) The earth atmosphere contains acids

13.Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
a) Nuclear energy
b) Thermal energy
c) Solar energy
d) Geothermal energy

14.Choose the correct statement
a) Sun can be taken as an inexhaustible source of energy
b) There is infinite storage of fossil fuel inside the earth
c) Hydro and wind energy plants are non-polluting sources of energy
d) Waste from a nuclear power plant can be easily disposed off

15.In the production of wave energy which form of energy is used?
a) Potential energy
b) Kinetic energy
c) Solar energy
d) Wind energy

16. Chlorosis is yellowing of the leaves, caused due to the deficiency of ________.
(a) Zinc
(b) Potassium
(c) Manganese
(d) All of the above

17. The main mode of nutrition in plants is __________.
(a) Autotrophic
(b) Heterotrophic
(c) Saprophytic
(d) None of the above

18.Which of the following minerals is required for the synthesis of chlorophyll?
(a) Copper
(b) Potassium
(c) Nitrogen
(d) Iron

19.Which of the following minerals is a constituent of cell membranes and nucleic
(a) Zinc
(b) Potassium
(c) Phosphorous.
(d) Manganese. 

20.In which part of the respiratory system, gaseous exchange takes place?
(a) Alveoli
(b) Pharynx
(c) Larynx
(d) Trachea

21.Which of the following gas is released out during the process of respiration?
(a) Oxygen
(b) Hydrogen
(c) Carbon dioxide
(d) None of the above

22.The windpipe is also called the ________.
(a) Larynx
(b) Lungs
(c) Trachea
(d) Oesophagus

23.In Earthworms, the process of respiration is through ________.
(a) Skin
(b) Head
(c) Lungs
(d) Pores on its anterior end

24.The movement of materials from the leaves to other tissues of the plant is called
A)Tropic movement
B) Guttation
C) Transpiration
D) Translocation

25.Plants primarily lose water through the process of _______.
B) photosynthesis
C) transpiration
D) translocation

26.Upward movement of water in plants is called
A Sucking
B Translocation
C Ascent Of Sap
D None of these. 

27.Osmosis invoves
A flow of solute without a membrane
B flow of water without a membrane
C Flow of water through a semipermeable membrane.
D None of these

28.Xylem translocates:
(a) Water, minerals salts, some nitrogen and hormones
(b) Water only
(c) Water and mineral salts only
(d) Water, mineral and some organic nitrogen only

29.Diseases that spread from one person to another are called _______.
(a) Communicable diseases
(b) Degenerative diseases
(c) Non-communicable diseases
(d) None of the above

30.Night blindness is caused due to the deficiencies of_______.
(a) vitamin A
(b) vitamin B
(c) vitamin C
(d) vitamin E

31. Which of the following diseases is an example of non-communicable
(a) Cancer
(b) Diabetes
(c) Hypertension
(d) All of the above

32.Excessive bleeding during an injury is a deficiency of_________.
(a) vitamin A
(b) vitamin B
(c) vitamin K
(d) vitamin E

33.Goitre and the enlarged thyroid gland are mainly diagnosed in patients with
deficiencies of which of the following minerals?
(a) Iron
(b) Iodine
(c) Calcium 
(d) Phosphorus. 

34.Which of the following diseases is caused by protein deficiency?
(a) Anaemia
(b) Kwashiorkor
(c) Hypothyroidism
(d) All of the above

35.Which of the following vitamins is also known as ascorbic acid?
(a) vitamin A
(b) vitamin B
(c) vitamin C
(d) vitamin E

36.Which of the following vitamin is also known as niacin and plays a vital role
in many digestive tract functions?
(a) vitamin B1
(b) vitamin B2
(c) vitamin B3.
(d) vitamin B12

37.The Deficiency of vitamin E leads to _______
(a) Soft Bones
(b) Bleeding in gums
(c) Weakness in muscles
(d) Neurological disorders

38.Amoxicillin, Doxycycline Azithromycin, and Penicillin are some examples of__.
(a) Bacteria
(b) Pathogens
(c) Antibiotics
(d) Vaccinations

39.Which of the following is not included in AYUSH Department under the Ministry of
Health and Family Welfare of the Govt. of India?
(a) Allopathy
(b) Ayurveda
(c) Unani
(d) Sidhi.

40.Which one of the following viruses is responsible for the recent death of lions
in Gir National Park?
(a) Canine Distemper Virus.
(b) Nipah Virus
(c) Hendra Virus
(d) Foot-and-Mouth Disease Virus

41.Which of the following is not a water-borne disease?
(a) Typhoid
(b) Hepatitis
(c) Cholera
(d) Dengue

42.Which one among the following water-borne diseases is not caused by
(a) Cholera
(b) Typhoid
(c) Bacillary dysentery
(d) Hepatitis A

43.Which of the following systems in man is affected by the bite of the cobra?
(a) Digestive
(b) Nervous
(c) Excretory
(d) Circulatory

44.When a person, after a certain degree of exertion, suffers from pain in the chest
or below the collar bones, in the events of inadequate supply of oxygen to the heart
muscles, he is said to suffer from
(a) coronary thrombosis
(b) myocardial infarction
(c) angina pectoris
(d) arteriosclerosis

45.Jaundice in human beings is the result of
(a) incomplete metabolism of biliverdin
(b) complete metabolism of biliverdin
(c) incomplete metabolism of bilirubin
(d) complete metabolism of bilirubin. 

46.In countries where polished rice is the mean cereal in their diet people suffer from
(a) Pellagra
(b) beri – beri.
(c) Scurvy
(d) Osteomalacia

Vitamins and their sources:
Vitamin A – Fish oil, vegetables, milk, egg, cheese, potato, dry fruits, liver oil, etc.
Vitamin B – All types of Attar and vegetables, bran, yeast, milk and its products, egg, etc.
Vitamin C – All types of citrus fruits.
Vitamin D – Sunlight, egg, cheese, milk, candied liver oil.
Vitamin E or Tocopherol – Sprouted grains, green leafy vegetables, ghee, milk, etc.
Vitamin H (Biotin) – Found in yeast, wheat, eggs, peanuts, chocolate, vegetables, fruits.

47.Vitamins are____________
(a) Macro Nutrients
(b) Micronutrients
(c) Essential Amino acids
(d) Non-essential Amino acids

48.The chemical name of Vitamin B is______
(a) thiamine
(b) ascorbic acid
(c) riboflavin
(d) nicotinamide

49.Which of the following is a Water-soluble Vitamin?
(a) Vitamin B1
(b) Vitamin B2
(c) Vitamin C
(d) All of the above

50.Thiamine deficiency leads to___________
(a) beriberi
(b) pellagra
(c) scurvy
(d) night blindness

51.Rickets is caused due to the deficiency of________
a) Vitamin A
b) Vitamin C
c) Vitamin D 
d) Vitamin B12. 

52. Which statement is correct with respect to the food chain?
A)Every component of the food chain forms a trophic level
B)Inter-relation between different food chains is known as a food web
C)All the chains formed by nutritional relations is used to understand energy flow.
D)All of the above

53.What are the two basic categories of an ecosystem?
a) Aquatic and terrestrial
b) Aquatic and forest
c) Ponds and lakes
d) Rivers and forests

54.Through, which of the following, energy enters in an ecosystem?
A Herbivores
B Producer
C Decomposer
D Primary producers

55.Which of the following is placed in upper most (highest) level of ecological pyramids.
A Herbivores
B Carnivores.
C Primary and Secondary Producers
D Primary and Secondary consumer

56.In ecosystem the source of energy is
B Sun
C The Green plant
D Sugar

57.Which food chain correctly describes the flow of energy in an ecosystem?

58.What does an omnivore animal eat?
A.Meat & flesh
C.Both plants and meat

59.A habitat is a place where __________.
A.An organism lives.
B.All the conditions that surround an organism.
C.All the populations of different organisms.
D.None of the above

60.Choose the type of organism that eats other plants or animals for energy and nutrients.

61.Which of the following is called the secondary air pollutant?
(a) PANs
(b) Ozone
(c) Carbon monoxide
(d) Nitrogen Dioxide

62.DDT and Aluminium cans are examples of ________.
(a) Primary Pollutants
(b) Secondary pollutants
(c) Biodegradable Pollutants
(d) Non-Biodegradable Pollutant

63..How many different types of primary pollutants together contribute to about
90 per cent of the global air pollution?
(a) Three
(b) Five.
(c) Seven
(d) None of the above

64.Which of the following agents is mainly responsible for the secondary pollutants?
(a) Smog and Ozone
(b) Sulphur trioxide
(c) Nitrogen dioxide
(d) All of the above. 

65.Which of the following gas is more in percentage in the air?
(a) Oxygen gas
(b) Nitrogen gas
(c) Water vapour
(d) Carbon dioxide gas

66.increased levels of air pollution results in _______.
(a) Soil erosion
(b) Global warming
(c) Respiratory problems
(d) All of the above

67.The Taj Mahal, Lotus Temple, Golden Temple, India Gate and other famous
heritage monuments are being affected by _______.
(a) Air pollution
(b) Water pollution
(c) Noise pollution
(d) All of the above

68.What is the total percentage of nitrogen gas in the air?
(a) 12 per cent
(b) 21 per cent
(c) 78 per cent
(d) 87 per cent

69..Which of the following gases are called Greenhouse gases?
(a) Methane
(b) Nitrogen
(c) Carbon dioxide
(d) Both a and c

70.The ozone layer is found in the
D)None of the above

71.Ozone holes are predominantly found in the
A)Tropic of Cancer
B)Tropic of Capricorn

72.Which of the following artificial materials is responsible for ozone layer depletion?
A)Chlorofluorocarbon (CFC)
C)Polyvinylchloride (PVC)

73.The CFC used in refrigerators is
B) Methane
C) Naphthalene
D) None of the above

74.What is the primary risk associated with extreme UV rays through the atmosphere because of ozone layer depletion ?
A)Skin Cancer
B) Brain Hamerage
C) Liver Damage
D) None of the above

75.When was the first ozone hole discovered?
B) 1960
C) 1970
D) 1980

76.Montreal protocol is related to the
A)Global warming
B) Ozone layer depletion
C) Pollution
D) None of the above

77)This is the most potent greenhouse gas in terms of efficiency
(a) N2O
(b) CFC
(c) C2O
(d) CH4

78.How much percent of energy is absorbs from the Sun to Earth?
a) 25%
b) 50%
c) 75%
d) 100%. 

79. Which is the most abundantly found greenhouse gas?
a) Carbon dioxide
b) Water vapor
c) Methane
d) Nitrous oxide

80.Which of the following is not a greenhouse gas?
a) Water vapor
b) Carbon dioxide
c) Methane
d) Ethane

81.The term vaccine was introduced by ________
a) Edward Jenner
b) Robert Koch
c) Louis Pasteur
d) Von Behring

82.What is the basic principle of immunisation and vaccination?
a) It is based on the number of B and T lymphocytes
b) It is based on the property of memory of the immune system
c) It is based on antigen-antibody interactions
d) It is based upon the number of white blood cells

83.Which of the following statements is incorrect regarding Vaccination and
a) Immunisation is the phenomena of increasing specific antibody production
b) Vaccination is the process of inoculation of harmless antigenic material into
the healthy person
c) A single vaccination gives adequate immunity and lasts lifelong
d) Immunisation is carried out through vaccination and injection of antiserum

84. Which of the following is Not an example of a live attenuated vaccine?
a) Tetanus vaccine.
b) MMR vaccine
c) Varicella (chickenpox) vaccine
d) Influenza vaccine

85.The BCG vaccine used for the prevention of tuberculosis is derived from
which of the following microorganism?
a) Bordetella pertussisb) Bacillus subtilis
c) Mycobacterium bovis.
d) Saccharomyces cerevisiae

86. Vaccination during childhood have proven to protect humans from several
infectious diseases, including life-threatening infections like smallpox and polio.
Which of the following diseases can be prevented by vaccination during the
childhood? Select all the correct answers from the options given below:
a) Chickenpox
c) Diphtheria,
d) COVID-19
e) Polio
f) Tetanus

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