RRB NTPC 2025 Static GK Practice Set-5: RRB NTPC 2025 exam, we bring you Static GK Practice Set-5, featuring important MCQ questions and answers. This set will help candidates practice key general knowledge topics, which are essential for scoring well in the exam.
- Curd is sour due to presence of ?
A) Tartaric Acid
B) Lactic Acid
C) Acetic Acid
D) Oxalic Acid - Which of the following are mineral acid?
A) Hydrochloric Acid
B) Nitric Acid
C) Sulphuric Acid
D) All of these - Which acid is found in gastric juice?
A) Acetic acid
B) formic acid
C) Hydrochloric acid
D) Sulphuric acid - Which acid present in Vinegar ?
A) acetic acid
B) nitric acid
C) formic acid
D) lactic acid - pH value of pure water is
A) 0
B) 1
C) 7
D) 14 - pH value acidic solution is
A) 7
B) Less than 7
C) More than 7
D) Zero - pH value of Human Blood is
A) 2.0 – 3.0
B) 5.0 – 6.0
C) 7.0 – 8.0
D) 10.0 – 11.0 - What is chemical name of washing soda ?
A) Sodium Carbonate
B) Sodium Chloride
C) Calcium oxychloride
D) Sodium bicarbonate - What is chemical name of Baking soda ?
A) Sodium Carbonate
B) Sodium Chloride
C) Calcium oxychloride
D) Sodium bicarbonate - What is chemical name of Bleaching Powder?
A) Sodium Carbonate
B) Sodium Chloride
C) Calcium oxychloride
D) Sodium bicarbonate - Which of the following metal has least melting point?
A) Gold
B) Silver
C) Mercury
D) Copper - Filament of electric bulb is made up of
A) Iron
B) Nickel
C) copper
D) tungsten - Electric bulb are filled with ?
A) Nitrogen
B) Carbon dioxide
C) Argon
D) Oxygen - Iron is extracted from
A) Cinnabar
B) Haematite
C) Bauxite
D) Dolomite - Which mineral is the ore of Aluminium ?
A) Haematite
B) Siderite
C) Bauxite
D) Magnetite - Brass is made up of
A) copper and tin
B) tin and lead
C) copper and zinc
D) copper, tin and Zinc - Electric fuse is an alloy of
A) tin and lead
B) zinc and lead
C) copper and iron
D) carbon and tin - Nitrous oxide is commonly known as
A) tear gas
B) dry ice
C) laughing gas
D) brown air - The process of digestion starts from
A) stomach
B) mouth
C) oesophagus
D) Intestine - The longest bone of human body is
A) humerus
B) tibia
C) Femur
D)Spleen - Polio vaccine was developed by
A) Jonas Salk
B) JC Bose
C) John Sleeman
D) Henry William - Optical fibre works on which principle ?
A) Reflection
B) Refraction
C) Diffraction
D) Total Internal reflection - Which of the following is not a Green House Gas?
A) Methane
B) Carbon dioxide
C) Nitrous Oxide
D) Hydrogen - The function of Haemoglobin in the body is
A) Transport of Oxygen
B) Destruction of bacteria
C) Prevention of anemia
D) All of these - Which is the largest gland of our body?
(A) Thyroid
(B) Liver
(C) Pancreas
(D) Femur - Which day is observed as Doctors’ Day in India?
(A) 1st December
B) 1st July
C) 8th March
(D) 5th September - The stomach secretes
A) Secretin
B) hydrochloric acid
C) insulin
D) sodium bicarbonate - Gallbladder stores
A) cholesterol
B) glycogen
C) bile
D) glycerol - Haemoglobin molecule contains
A) Iron
B) Selenium
C) Silicon
D) calcium - Sound travels fastest through which of the following?
A) Vacuum
B) Solid
C) Liquid
D) Gas
Answer to RRB NTPC 2025 Static GK Practice Set-5
Here are the
- B) Lactic Acid
- D) All of these
- C) Hydrochloric acid
- A) acetic acid
- C) 7
- B) Less than 7
- C) 7.0 – 8.0
- A) Sodium Carbonate
- D) Sodium bicarbonate
- C) Calcium oxychloride
- C) Mercury
- D) tungsten
- C) Argon
- B) Haematite
- C) Bauxite
- C) copper and zinc
- A) tin and lead
- C) laughing gas
- B) mouth
- C) Femur
- A) Jonas Salk
- D) Total Internal reflection
- D) Hydrogen
- A) Transport of Oxygen
- (B) Liver
- B) 1st July
- B) hydrochloric acid
- C) bile
- A) Iron
- B) Solid
Suggested Post: SSC CHSL Recruitment 2025 Notification Release Soon! How to Apply Check Details
Important Link For Fast Updates
| Join Our Telegram Channel | Click Here |
| Join Our WhatsApp Group | Click Here |