General Science MCQ Quiz in English For Competitive Exam
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General Science MCQ Quiz in English For Competitive Exam |
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Category |
Question Paper |
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Total No. Questions |
50 |
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Type of Question |
Multiple Choice Question (MCQ) |
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Applicable For |
All Competitive Exams |
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Is it Downloadable? |
Yes, You can Download this in pdf
format below the Article |
1. Which is unrelated pair?
(A) Pharynx -- Larynx
(B) Trachea --Vocal cord
(C) Nostril --Cartilage
(D) Nasal cavity -- Mucous membrane
2. Which part of human body is an air-tight compartment?
(A) Thoracic cavity
(B) Abdominal cavity
(C) Auricle
(D) Ventricle
3. Which is not the part of human respiratory system?
(A) Gullet
(B) Glottis
(C) Nasal Cavity
(D) Pharynx
4. In Which organs of frog does respiration take place?
(A) Skin & Buccal cavity
(b) Skin, Buccal cavity & Lungs
(C) Skin & Lungs
(D) Buccal cavity & Lungs
5. How many carbons are present in lactic acid?
(A) 3
(B) 4
(C) 1
(D) 2
6. In which part of mitochondria does citric acid cycle occur?
(A) Inner membrane
(B) Outer membrane
(C) Matrix
(D) Cristae
7. Which step is not necessary in the aerobic respiration?
(A) Citric acid cycle
(B) Electron transport system
(C) Glycolysis
(D) Alcoholic fermentation
8. Which enzyme is present in Saliva?
(A) Lipase
(B) Ptyalin
(C) Gastric juice
(D) Pepsin
9. In which part of digestive system are water and some electrolytes absorbed?
(A) Stomach
(B) Buccal Cavity
(C) Small intestine
(D) Large intestine
10. From which one is both HCL and enzymes secreted?
(A) Small intestine
(B) Large intestine
(C) Stomach
(D) Mouth
11. What is the part of the chloroplast where the light reaction does occur in presence of visible light?
(A) Grana
(B) Stoma
(C) Cytoplasm
(D) Stroma
12. During night time, dark reaction of photosynthesis also remains inoperative. Hence, photosynthesis process stops. The reason for it is:
(A) Ribulose bisphosphate carboxylase oxygenase becomes non-functional
(B) Deficiency of carbon dioxide gas.
(C) There is deficiency of ribulose bisphosphate molecule.
(D) Supply of assimilatory power stops
13. What are the organisms obtaining nutrients from dead, decaying, rotten plants and animals called?
(A) Chemosynthetic
(B) Saprophytes
(C) Parasite
(D) Symbiont
14. Which have main role in maintenance of ionic balance in the body?
(A) Minerals
(B) Proteins
(C) Carbohydrates
(D) Lipids
15. Which one does contain more amount of plant protein?
(A) Fish
(B) Milk
(C) Soyabean
(D) Egg
16. The alkaloid of Cinchona plant is:
(A) Tanin
(B) Resin
(C) Quinine
(D) Nicotine
17. Presence of which pigment in the urine of healthy man does make it faint yellow?
(A) Urochrome
(B) Haemoglobin
(C) Phytochrome
(D) Chlorophyll
18. In which gland of humans is sweat formed?
(A) Salivary
(B) Sweat
(C) Intestinal
(D) Lymphoid
19. The waste of which organism is excreted as urea?
(A) Insect
(B) Frog
(C) Reptile
(D) Bird
20. How many times does the heart of healthy man generally beat per minute?
(A) 70
(B) 72
(C) 60
(D) 62
21. Presence of which protein does prevent blood clotting in human body?
(A) Prothrombin
(B) Fibrinogen
(C) Hiparin
(D) Hirudin
22. Which blood vessels have valves?
(A) Vein
(B) Aorta
(C) Capillary
(D) Artery
23. With the help of which force between water and xylem do they always stick together?
(A) Surface tension
(B) Capillary
(C) Cohesion
(D) Adhesion
24. Which is the example of the plant part that uses nutrients?
(A) Seed
(B) Reserve root
(C) Tip of stem
(D) Fruit
25. Which is not related in passive absorption?
(A) Transpiration
(B) Metabolic energy
(C) Osmosis
(D) Diffusion
26. Which non-metal has metallic luster?
(A) Nitrogen
(B) iodine
(C) Sulphur
(D) Oxygen
27. Which of the following is an amphoteric oxide?
(A) Al2O3
(B) MgO
(C) Na2O
(D) CaO
28. An element reacts with oxygen to give a compound with a high melting point .This compound is also soluble in water. The element is likely to be
(A) Sillicon
(B) Iron
(C) Calcium
(D) Carbon
29. Chemical formula of bleaching powder is
(A) CaHCO3
(B) CaOCl2
(C) Ca(OH)2
(D) CaCO3
30. A solution reacts with crushed egg shell to give a gas that turns lime-water milky. The solution is:
(A) LiCl
(B) KCl
(C) NaCl
(D) HCl
31. 10 mL of a solution of NaOH is found to be completely neutralized by 8 mL of a given solution of HCl. If we take 30 mLof the same solution of NaOH, mthe amount of HCl solution (the same solution as before) required to neutralize is:
(A) 24mL
(B) 30mL
(C) 12mL
(D) 16mL
32. Which one of the following types of medicines is used for treating indigestion?
(A) Antacid
(B) Antiseptic
(C) Antibiotic
(D) Analgesic
33. A solution turns red litmus into blue, what is its pH value likely to be
(A) 5
(B) 10
(C) 1
(D) 4
34. When Acid and base mix with water, ions produced respectively are
(A) H+ and H3O+
(B) H3O+ and H+
(C) H+ and OH-
(D) OH+ and H-
35. Which of the following substances is added to food for its preservation?
(A) Coolant
(B) Antioxidant
(C) Oxidant
(D) Rancid
36. Which of the following chemical processes given below is correct?
(A) 2AgBr ---------2Ag + Br2
(B) CaCO3 ---------CaO + CO2
(C) 2Pb(NO3)2 ---------- 2PbO + 4NO2 + O2
(D) 2Fe(OH)3 ---------Fe2O3 +3H2O
37. Formation of which chemical compound is responsible for blackening of silver.
(A) Ag2O
(B) Ag2CO3
(C) AgNO3
(D) Ag2S
38. Which gas is put inside the chip’s packet available in the market?
(A) Nitrogen
(B) Hydrogen
(C) Chlorine
(D) Oxygen
39. Fe2O3 +2Al -------Al2O3 +2Fe The above reaction is an example of a
(A) Decomposition reaction
(B) Displacement reaction
(C) Combination reaction
(D) Double displacement reaction
40. Which of the statements about the reaction below are incorrect?
2PbO(s) + C(s) -----2Pb(s) + Co2(g)
(i) Pb is reduced
(ii) CO2 is oxidised
(iii) C is oxidised
(iv) PbO is reduced
(A) (i), (ii) and (iii)
(B) All of the statements
(C) (i) and (ii)
(D) (i) and (iii)
41. What precipitate is formed when you mix lead (II) nitrate with the solution of sodium chloride?
(A) Sodium lead
(B) Chloride nitrate
(C) Sodium nitrate
(D) Lead (II) chloride
42. What are the values of X and Y When the chemical reaction given below is balanced.
X HNO3 +Ca(OH)2-------Ca(NO3) + YH2O
(A) 1, 2
(B) 1, 3
(C) 2, 1
(D) 2, 2
43. Which properties of carbon help it to form bio-molecules?
(i) Tetravalency
(ii) Catenation
(iii) Non-conductivity of carbon molecules
(A) (i) & (iii)
(B) (i), (ii) & (iii)
(C) (i) & (ii)
(D) (ii)& (iii)
44. The number of C --- C bonds in Graphite and diamond respectively are
(A) 4, 4
(B) 4, 3
(C) 3, 3
(D) 3, 4
45. How many structural isomers are there in pentane?
(A) 4
(B) 5
(C) 2
(D) 3
46. A hydrocarbon has 4 carbon atoms. What is the molecular formula of the alkene prepared form it?
(A) C4H6
(B) C4H4
(C) C4H10
(D) c4H8
47. How many numbers of covalent bonds are there in propane?
(A) 12
(B) 8
(C) 10
(D) 9
48. Which of the following non-metal is a good conductor of electricity?
(A) Sulphur
(B) Fullerene
(C) Diamond
(D) Graphite
49. Which processes are adopted to extract Zn From ZnS?
(A) Only roasting
(B) Only calcinations
(C) Roasting and electrolytic refining
(D) Roasting and calcinations
50. The electronic configuration of their elements X, Y and Z are X= 2, 4, Y=2,7, Z= 2, 1. Two elements of them combine to form an ionic compound. Write its correct molecular formula.
(A) XZ3
(B) Y2Z
(C) X2Y
(D) ZY
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