General Science forms a crucial part of various competitive exams, including the OSSSC LSI (Livestock Inspector) and Forester FG (Forest Guard) exams. Here, we present a curated list of 30 multiple-choice questions (MCQs) in General Science, covering diverse topics from physics, chemistry, biology, and environmental science. These questions are designed to test your understanding and application of scientific principles, making them suitable for candidates preparing for these examinations.
Top 30 General Science MCQs for OSSSC LSI, Forester, FG
- Which of the following is a water-soluble vitamin?
A) Vitamin A
B) Vitamin C
C) Vitamin K
D) Vitamin D
Correct Option: B [Vitamin C] - Which layer of gas in the atmosphere protects us from harmful ultraviolet rays of the sun?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Ozone
Correct Option: D [Ozone] - What does the airbag, used for the safety of car drivers, contain?
A) Sodium bicarbonate
B) Sodium azide
C) Sodium nitrite
D) Sodium peroxide
Correct Option: B [Sodium azide] - PINAKA, often seen in the news, is a/an:
A) Anti-submarine torpedo and research vehicle
B) Aircraft carrier
C) Multi-Barrel Rocket Launcher (MBRL) system
D) Guided missile frigate submarine warship
Correct Option: C [Multi-Barrel Rocket Launcher (MBRL) system] - Curie point is the temperature at which:
A) Matter becomes radioactive
B) A metal loses magnetic properties
C) A metal loses conductivity
D) Transmutation of metal occurs
Correct Option: B [A metal loses magnetic properties] - What changes will happen to a ball of ice and water kept at exactly zero degrees Celsius?
A) All ice will melt
B) All water will become ice
C) No change will happen
D) Only some ice will melt
Correct Option: C [No change will happen] - The SI unit of temperature is:
A) Temperature
B) Ampere
C) Watt
D) Kelvin
Correct Option: D [Kelvin] - ISRO was established in which year?
A) 1976
B) 1966
C) 1969
D) 1970
Correct Option: C [1969] - Adult Filaria worms live in humans’:
A) Blood
B) Lymphatics
C) Liver
D) Intestine
Correct Option: B [Lymphatics] - Which one of the following gases, present in the air near the surface of the Earth, has the maximum concentrations?
A) Oxygen
B) Hydrogen
C) Nitrogen
D) Methane
Correct Option: C [Nitrogen] - According to the Bureau of Indian Standards (BIS), what is the acceptable limit for total hardness in drinking water as CaCO3?
A) 100 mg/l
B) 200 mg/l
C) 300 mg/l
D) None of these
Correct Answer: A (100 mg/l) - Which disease is caused by Asbestos?
A) Paralysis
B) Dysentery
C) Emphysema
D) Diarrhea
Correct Answer: C (Emphysema) - In which process is energy released?
A) Respiration
B) Photosynthesis
C) Ingestion
D) Absorption
Correct Answer: A (Respiration) - When iron rusts, what happens to its weight?
A) Decreases
B) Increases
C) Remains the same
D) First increases and then decreases
Correct Answer: B (Increases) - Which is the hardest form of carbon?
A) Coke
B) Graphite
C) Diamond
D) Charcoal
Correct Answer: C (Diamond) - How is the growth of bacteria measured?
A) Hemocytometer
B) Spectrophotometer
C) Calorimeter
D) Auxanometer
Correct Answer: B (Spectrophotometer) - Who discovered the Electron?
A) Enrico Fermi
B) Robert Noyce
C) J.J. Thomson
D) James Dyson
Correct Answer: C (J.J. Thomson) - Which material allows electric current to pass through it?
A) Glasses
B) Graphite
C) Rubber
D) PVC
Correct Answer: B (Graphite) - Dehydration in the human body is caused by the loss of:
A) Salts
B) Water
C) Hormones
D) Vitamins
Correct Answer: B (Water) - Rickets is a disease caused by the deficiency of:
A) Vitamin K
B) Vitamin D
C) Vitamin B1
D) Vitamin A
Correct Answer: B (Vitamin D) - What causes sound waves from a loudspeaker?
A) Frequency
B) Vibrations
C) Pitch
D) Amplitude
Correct Option: B [Vibrations] - What type of plant is sugarcane?
A) Creeper
B) Shrub
C) Grass
D) Tree
Correct Option: C [Grass] - Which of the following pairs is incorrect?
A) Roentgen : X-ray
B) Newton : Law of gravitation
C) Faraday : Diffusion of gases
D) Pasteur : Bacteriology
Correct Option: C [Faraday : Diffusion of gases] - Are the angle of friction and angle of repose equal to each other?
A) Yes, equal to each other
B) No, not equal to each other
C) They are proportional to each other
D) None of the above
Correct Option: A [equal to each other] - How many lenses does a compound microscope have?
A) Two lenses
B) Requires UV light source
C) Used to view only dead organisms
D) Requires large room space
Correct Option: A [two lenses] - How many bytes are there in one kilobyte?
A) 1024 bytes
B) 2048 bytes
C) 1023 bytes
D) 10000 bytes
Correct Option: A [1024 bytes] - What is the full form of “GPS”?
A) Geographic Pointing System
B) Global Positioning System
C) Geographic Photo Sensor
D) Global Polar Synchronization
Correct Option: B [Global Positioning System] - In which year was the “@” symbol chosen for its use in email addresses?
A) 1972
B) 1976
C) 1980
D) 1984Correct Option: A [1972]Remark: - What does “ATM” stand for?
A) All Time Money
B) Automatic Teller Machine
C) Automated Teller Machine
D) Any Time Money
Correct Option: C [Automated Teller Machine]
