Q1. What is the primary contributor to the sour taste in foods like lemons, vinegar and yoghurt?
- (a) Alkaloids
- (b) Bases
- (c) Acids
- (d) Salts
Answer & solution
Answer: (c) Acids
All 37 GK / GS questions asked in RRB NTPC GL CBT-1 2024-25 on 6 June 2025 Shift 2, with correct answers and short solutions, subject-wise: Chemistry, Current Affairs, Static GK, Polity, Computer, Modern History.
Answer: (c) Acids
Answer: (b) Dr. V Narayanan
Answer: (b) Samantha Harvey – Orbital
Answer: (a) August 2025 in Geneva, Switzerland
Answer: (c) 1 and 3 only
Answer: (c) New Delhi
Answer: (b) Rekha Gupta from Shalimar Bagh
Answer: (a) Abhinav Bindra
Answer: (b) Over 100 terabits per second
Answer: (c) Mandating representation of at least two Muslim women on Waqf Boards
Answer: (c) Kuwait
Answer: (d) AK Ramanujan
Answer: (b) Overseas Citizen of India
Answer: (d) Directive Principles
Answer: (c) Manage developing towns due to get a municipality status
Answer: (a) The deliberative assembly of all eligible village residents
Answer: (b) Notified Area Committee
Answer: (d) Switches between open applications
Answer: (b) It temporarily holds active program data and instructions to enable fast switching between tasks.
Answer: (b) Find whole words only
Answer: (d) The operating system will return an error indicating that the directory is not empty.
Answer: (c) Dragging moves the text; Ctrl + dragging copies it.
Answer: (d) Nai Talim or Basic Education
Answer: (d) 1905
Answer: (a) Jawaharlal Nehru
Answer: (b) Improve transportation and logistics
Answer: (d) 13.5 crore
Answer: (b) 70%
Answer: (c) Make in India initiative
Answer: (c) Brahmins
Answer: (b) Open-well
Answer: (b) Class V
Answer: (c) Ease of transport for inter-state freight vehicles
Answer: (b) Use of high-end machinery
Answer: (b) Vindhya Hills
Answer: (d) Uracil is energetically cheaper to synthesise.
Answer: (c) Placing raw mango in a concentrated salt solution