RRB Group D - General Science PYQ Quiz 230
10 PYQ questions from RRB Group D - General Science
About This Quiz
This is one set from a larger bank. See all RRB Group D General Science previous year questions.
RRB Group D - General Science PYQ Quiz 230 — Questions with Solutions
All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Which of the following statements is/are correct? A) Classification is necessary in order to compare the physical and chemical properties of the elements. B) Classification is necessary to arrange the same kind of elements in the same group. C) Classification is necessary to arrange the different kinds of elements in the same group.
- A.A, B and C
- B.Only B and C
- C.Only A and B
- D.Only A
Show answer
Answer: C. Only A and B
Q2.Which of the following processes does NOT occur during photosynthesis?
- A.Splitting of water molecules
- B.Absorption of light energy
- C.Reduction of carbon dioxide
- D.Absorption of oxygen
Show answer
Answer: D. Absorption of oxygen
Q3.An adult human being has only ______ incisors in his/her mouth.
- A.twelve
- B.eight
- C.ten
- D.four
Show answer
Answer: B. eight
Q4.Which gas is produced during electrolysis of brine, that burns with a pop sound?
- A.Cl₂
- B.H₂
- C.O₂
- D.N₂
Show answer
Answer: B. H₂
Q5.Frogs have a pair of lungs like human beings but they can also breathe through their:
- A.spiracles
- B.tracheae
- C.slippery and moist skin
- D.gills
Show answer
Answer: C. slippery and moist skin
Q6.A 12 V battery is connected across an unknown resistor. If a current of 2 mA is flowing through the circuit, the value of the resistance is:
- A.600 ohm
- B.6 ohm
- C.6000 ohm
- D.60 ohm
Show answer
Answer: C. 6000 ohm
Q7.Which of the following statements is/are true regarding the centre of curvature of a spherical mirror? (S-I) The centre of curvature (C) of a spherical mirror is the centre of the sphere of which the mirror is a cut part. (S-II) The aperture (D) of a spherical mirror is the diameter of the sphere of which the mirror is a cut part. (S-III) The principal focus (F) is strictly the mid-point between the pole (P) and the centre of curvature (C) of a spherical mirror.
- A.(S-I) and (S-II) only
- B.(S-I) and (S-III) only
- C.(S-I) only
- D.(S-I), (S-II) and (S-III)
Show answer
Answer: B. (S-I) and (S-III) only
Q8.According to right hand thumb rule, ______ represent(s) the direction of current.
- A.the little finger
- B.the fore finger
- C.the middle finger
- D.the thumb
Show answer
Answer: D. the thumb
Q9.The ideal waste disposal method in case of metal is:
- A.reusing
- B.recycling
- C.composting
- D.incineration
Show answer
Answer: B. recycling
Q10.Precipitation reactions are a specific class of ______.
- A.combination reactions
- B.double displacement reactions
- C.redox reactions
- D.Decomposition reactions
Show answer
Answer: B. double displacement reactions
Frequently Asked Questions
Is RRB Group D - General Science PYQ Quiz 230 free to attempt on AajExam?
Yes. RRB Group D - General Science PYQ Quiz 230 is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete RRB Group D - General Science PYQ Quiz 230?
RRB Group D - General Science PYQ Quiz 230 runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on RRB Group D - General Science PYQ Quiz 230 ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt RRB Group D - General Science PYQ Quiz 230 multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
PYQ Mix questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.