Q51) In the Atmosphere ultraviolet rays are observed by:
A) Oxygen
B) Nitrogen
C) Ozone
D) Hellium

Q52) Who is known as the father of Immunology:
A) Louis Pasteur
B) Robert Koch
C) Landsteiner
D) Edward Jenner

Q53) Velocity of Light is maximum in which of the following:
A) Diamond
B) Water
C) Vacuum
D) Hydrogen

Q54) The presence if which of the following prevents coagulation of blood inside the human body:
A) Fibrin
B) Haemoglobin
C) Heparin
D) Thromboplastin

Q55) Acid rain is caused by the pollution of the environment by:
A) Carbon Dioxide and Nitrogen
B) Carbon Dioxide and Carbon Monoxide
C) Ozone and Carbon Dioxide
D) Nitrous Oxide and Sulphur Dioxide
Q56) Which one of the following element is used in solar cells:
A) Silicon
B) Cerium
C) Astatine
D) Vanadium

Q57) Which one of the following is an example of natural acid-base indicator:
A) Methyl Orange
B) Phenolphthalein
C) Turmeric
D) All of the Above

Q58) Which of the following is a female sex hormone:
A) Androgen
B) Estrogen
C) Oxytocin
D) Insulin

Q59) Golden rice is a rich source of:
A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin K

Q60) Which one of the following metal is called the Metal of Future:
A) Copper
B) Iron
C) Aluminium
D) Titanium

Q61) Which is the hardest in the following:
A) Diamond
B) Glass
C) Quartz
D) Iron

Q62) What is the normal blood pressure of human:
A) 120/80 mm Hg
B) 90/140 mm Hg
C) 120/160 mm Hg
D) 85/120 mm Hg

Q63) When water is heated from 0° to 10° C. Its volume will be:
A) Increases
B) Decreases
C) Doesnt Change
D) First Decreases than Increases

Q64) The study of bones are under which branch of science:
A) Osteology
B) Orology
C) Serology
D) Geology

Q65) What is the full form of SONAR:
A) Solar Navigation and Ranging
B) Ship Navigation and Ranging
C) Sound Navigation and Ranging
D) Sound Navigation and Reflection

Q66) A liquid consisting of 5 to 30% Acetic Acid is known as:
A) Lime
B) Boric Acid
C) Dettol
D) Vinegar

Q67) NACO is an organisation dealing with:
A) Cancer
B) Child Healthcare
C) AIDS
D) None of the Above

Q68) Which of the following gases is used for extinguishing fire:
A) Sulphur Dioxide
B) Carbon Dioxide
C) Hydrogen Chloride
D) Cabon Monoxide

Q69) Mycology is the branch of Botany in which we study:
A) Fungi
B) Algae
C) Bacteria
D) Virus

Q70) Which of the following blood group has no antigens:
A) A
B) B
C) AB
D) O

Q71) Anthophobia is fear of the following:
A) Boss
B) Fire
C) Flowers
D) Dogs

Q72) To the person with the colour blindness red colour will appear:
A) Yellow
B) Green
C) Blue
D) Purple

Q73) In active chemical to remove mosquitos is:
A) Allethrins
B) Atropine
C) 2 Isopropoxiphimyal
D) Benzene Hexachlorophene

Q74) Which of the following scientist discovered polio vaccine:
A) Alexender Flemming
B) Robert Koach
C) Edward Genere
D) Jones Salk

Q75) Where is the Pineal Gland is situated:
A) Liver
B) Brain
C) Kidney
D) Uterus

Q76) In an earthen pitcher, the water remains copd due to the procss of:
A) Sublimation
B) Condensation
C) Evaporation
D) None of the Above

Q77) An astronaut sees the colour of the sky as:
A) Blue
B) White
C) Red
D) Black

Q78) Brass gets fade colour in air due to the presence of:
A) Oxygen
B) Hydrogen Sulphide
C) Carbon Dioxide
D) Nitrogen

Q79) Which of the following Acid do not contain Oxygen:
A) Nitric Acid
B) Sulphuric Acid
C) Hydrochloric Acid
D) None of the Above

Q80) What is Hydroponics:
A) Plants without Soil Enrichment
B) Grafting Plant
C) Studying of Vegetables
D) Soil Conservation

Q81) Which of the following is used to remove rust stains on clothes:
A) Kerosene
B) Lime
C) Oxalic Acid Solution
D) None of the Above

Q82) Spherical form of Raindrops is due to:
A) Density of Liquid
B) Surface Tension
C) Atmospheric Pressure
D) Gravitational Force

Q83) The principle of Fuse is:
A) Chemical effect of Electricity
B) Mechanical effect of Electricity
C) Heating effect of Electricity
D) Magnetic effect of Electricity

Q84) Cinnabar is an ore/mineral of:
A) Lead
B) Manganese
C) Molybdenum
D) Mercury

Q85) A pungent smell is often present near the urenals is due to:
A) Sulphur Dioxide
B) Chlorine
C) Ammonia
D) Urea

Q86) The energy of wind is:
A) Only Potential
B) Only Kinetic
C) Electrical
D) Potential & Kinetic Both

Q87) Penicillin is obtained from:
A) Yeast
B) Algae
C) Fungus
D) Lichen

Q88) Bauxite is the ore of:
A) Alluminium
B) Iron
C) Copper
D) Gold

Q89) Brass is an alloy of:
A) Copper and Iron
B) Zinc and Iron
C) Copper and Zinc
D) Iron and Nickel

Q90) The safest temperature for keeping food fresh in a refrigerator is:
A) 0°
B) 4°
C) 8°
D) 10°

Q91) The chemical component that is inveribly found in all viruses is:
A) Proteins
B) Lipids
C) DNA
D) RNA

Q92) Why is Carbon Monoxide a pollutant:
A) Makes Nervous System Inactive
B) It Reacts with Oxygen
C) It Reacts with Haemoglobin
D) It Inhibits Glycolysis

Q93) Blood enter the Kedney through the:
A) Renal Artery
B) External Liliac Energy
C) Axillary Artery
D) Ulnar Artery

Q94) Who measured the velocity of light first:
A) Galileo
B) Newton
C) Einstein
D) Romer

Q95) Which of the following forces combine together to keep planets in their respective orbits:
A) Gravitation and Centripetal
B) Nuclear and Centrifugal
C) Gravitation and Centrifugal
D) Potential and Kinetic

Q96) Meghnad Saha is known for his contribution in which of the following fields:
A) Medical Science
B) Physics
C) Environmental Science
D) History

Q97) The chemical composition of cement is:
A) Limestone, Clay and Gypsum
B) Limestone and Clay
C) Limestone and Gypsum
D) Clay and Gypsum

Q98) Meibomian glands are located in:
A) Ear
B) Nose
C) Eye
D) Skin

Q99) The latex of which plant is used commercially:
A) Papaya Plant
B) Sial Kanta Plant
C) Rubber Plant
D) Banyan Plant

Q100) Who invented Dynamo:
A) Michael Faraday
B) Gutenberg
C) Macmillan
D) Pascal

Thank you so much Hafsa for this post.
It'd be quite helpful if you could send answer keys as well.
Thanks