Struggling with Science questions in competitive exams You are not alone and that’s exactly why this Science 25 Questions Mock Test 2025 has been created to give you a sharp edge for exams like RRB Group D, NTPC, SSC MTS, CPO and SSC CGL. These exams often test your basic scientific understanding in unexpected ways and a strong command of Science can instantly boost your overall score.
This mock test is carefully designed to match the latest exam pattern and question trends ensuring that every learner beginner or advanced gets practical exam ready knowledge You will find questions that improve your conceptual clarity in Physics, Chemistry and Biology while strengthening your problem solving skills.
This content is crafted with real exam experience accuracy and trustworthiness in mind Whether you are revising for the final stage or just beginning your preparation this 25 question Science mock test will help you understand what to expect in CBT exams and how to handle tricky questions with ease.
Get ready to test your knowledge identify key topics and move one step closer to your selection Let begin your smart and effective Science preparation journey.
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Science 25 Questions Mock Test 2025: For RRB Group D, NTPC, SSC MTS, CPO, CGL
Q. What is the unit of electric current?
A) Watt
B) Ampere
C) Volt
D) Ohm
Answer: B
Q. In which medium does light travel the fastest?
A) Water
B) Glass
C) Air
D) Vacuum
Answer: D
Q. Which mirror is used as a side-view mirror in vehicles?
A) Concave mirror
B) Convex mirror
C) Plane mirror
D) None of these
Answer: B
Q. What is the formula of force?
A) Mass × Acceleration
B) Mass × Velocity
C) Work × Time
D) Energy ÷ Distance
Answer: A
Q. What is the unit of power?
A) Joule
B) Watt
C) Newton
D) Pascal
Answer: B
Q. Which device converts electrical energy into mechanical energy?
A) Generator
B) Motor
C) Transformer
D) Battery
Answer: B
Q. What is the SI unit of pressure?
A) Pascal
B) Tesla
C) Joule
D) Hertz
Answer: A
Q. Which of the following is a scalar quantity?
A) Velocity
B) Force
C) Speed
D) Acceleration
Answer: C
Q. In which medium does sound travel the fastest?
A) Solids
B) Liquids
C) Air
D) Vacuum
Answer: A
Q. What is the chemical formula of water?
A) H₂O₂
B) H₂O
C) HO₂
D) OH
Answer: B
Q. What is the pH value of acids?
A) Less than 7
B) Equal to 7
C) More than 7
D) 14
Answer: A
Q. Which of the following is a metal?
A) Sulfur
B) Iodine
C) Sodium
D) Carbon
Answer: C
Q. Diamond is an allotrope of which element?
A) Iron
B) Carbon
C) Nitrogen
D) Copper
Answer: B
Q. Why does iron rust?
A) Heat
B) Water and air
C) Light
D) Nitrogen
Answer: B
Q. Which gas is known as ‘laughing gas’?
A) N₂O
B) CO₂
C) H₂
D) CO
Answer: A
Q. Which fraction is obtained first during petroleum refining?
A) Diesel
B) Petrol
C) Gas
D) Kerosene
Answer: C
Q. Which of the following is a noble gas?
A) Nitrogen
B) Helium
C) Hydrogen
D) Chlorine
Answer: B
Q. Which is the lightest metal?
A) Sodium
B) Lithium
C) Potassium
D) Aluminium
Answer: B
Q. What is the largest organ of the human body?
A) Heart
B) Lungs
C) Liver
D) Skin
Answer: D
Q. The red color of blood is due to:
A) Chlorophyll
B) Hemoglobin
C) Platelets
D) WBC
Answer: B
Q. Plants prepare their food by which process?
A) Respiration
B) Digestion
C) Photosynthesis
D) Excretion
Answer: C
Q. How many chambers are present in the human heart?
A) 2
B) 3
C) 4
D) 5
Answer: C
Q. Where are red blood cells (RBCs) produced?
A) Liver
B) Bone marrow
C) Kidneys
D) Spleen
Answer: B
Q. Which tissue transports water in plants?
A) Phloem
B) Xylem
C) Stomata
D) Chlorophyll
Answer: B
Q. Which vitamin is also known as ascorbic acid?
A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D
Answer: C
Conclusion
I Hope You all like this practice set Preparing for competitive exams becomes much easier when you focus on the right questions and this Science 25 Questions Mock Test 2025 is designed to do exactly that By practicing these high quality exam oriented questions you build stronger clarity in Physics Chemistry and Biology topics that play a major role in RRB Group D, NTPC, SSC MTS, CPO and SSC CGL exams.
Remember success in Science is not just about memorizing formulas it is about understanding concepts and applying them under pressure Regular practice with targeted mock tests like this one helps you stay confident improve accuracy and boost your overall score.