General Science – Verified PYQ Authority Guide
General Science is organised as a topic-level PYQ authority page. It brings together the strongest verified question clusters, exam/year coverage and concept-level practice so students can revise the topic without jumping through unrelated notes. Every factual learning cue below is drawn from the existing verified, published and approved English PYQ corpus or from its Knowledge Graph relationships; the hub does not invent unsupported technical claims.
PYQ evidence snapshot
95 verified PYQs are currently mapped to this Topic hub. The represented years include 2025. Exam coverage currently includes RRB NTPC Under Graduate Level. Subject context includes General Awareness. These values come from live mappings and can expand automatically when new verified PYQs are added.
Most useful verified PYQs to solve first
Start with the actual questions rather than memorising a generic note. The links below are ranked from the mapped corpus using repeat history and editorial quality, while the complete explanation stays on the individual question page.
- Which gas is the main contributor to acid rain formation?
RRB NTPC Under Graduate Level · 2025 · Basic Chemistry
The correct answer is Sulphur dioxide. This PYQ tests Basic Chemistry and should be revised as a fact association. - DNA and RNA are polymers made of long chains of ______.
RRB NTPC Under Graduate Level · 2025 · Biology and Human Science
The correct answer is Nucleotides. This PYQ tests Biology and Human Science and should be revised as a fact association. - Which information is essential to perform stoichiometric calculations for a chemical reaction?
RRB NTPC Under Graduate Level · 2025 · Basic Chemistry
The correct answer is A balanced chemical equation. This PYQ tests Basic Chemistry and should be revised as a fact association. - Mirage is an optical illusion which can be explained based on which of the following phenomena of light?
RRB NTPC Under Graduate Level · 2025 · Basic Physics
The correct answer is Total Internal Reflection. This PYQ tests Basic Physics and should be revised as a fact association. - In a Word document form, when you press the Tab key after filling a name field, to which element does the focus shift?
RRB NTPC Under Graduate Level · 2025 · Basic Chemistry
The correct answer is Moves cursor to subsequent input field or table cell. This PYQ tests Basic Chemistry and should be revised as a… - Tallness in pea plants as identified by Mendel, represents which type of trait?
RRB NTPC Under Graduate Level · 2025 · Biology and Human Science
The correct answer is Dominant traits. This PYQ tests Biology and Human Science and should be revised as a fact association. - Which of the following densities measures the pressure of population on net cultivated area in India?
RRB NTPC Under Graduate Level · 2025 · Basic Physics
The correct answer is Physiological density. This PYQ tests Basic Physics and should be revised as a fact association. - Which Swiss chemist was the first to formulate his ideas about the structures of coordination compounds?
RRB NTPC Under Graduate Level · 2025 · Basic Chemistry
The correct answer is Alfred Werner. This PYQ tests Basic Chemistry and should be revised as a fact association.
Formula & key-relationship bank from verified solutions
sin²θ + cos²θ = 1; tanθ = sinθ/cosθ; cotθ = 1/tanθ
Use these as revision triggers and open the linked PYQ before applying a formula numerically; variable definitions and assumptions belong to the exact solved question.
Core ideas repeatedly reinforced by the solved corpus
- The correct answer is Sulphur dioxide. This PYQ tests Basic Chemistry and should be revised as a fact association.
- The correct answer is Nucleotides. This PYQ tests Biology and Human Science and should be revised as a fact association.
- The correct answer is A balanced chemical equation. This PYQ tests Basic Chemistry and should be revised as a fact association.
- The correct answer is Total Internal Reflection. This PYQ tests Basic Physics and should be revised as a fact association.
- The correct answer is Moves cursor to subsequent input field or table cell. This PYQ tests Basic Chemistry and should be revised as a fact association.
Exam tips already validated in SRO solutions
- Revise Basic Chemistry with closely related General Science facts to eliminate similar distractors.
- Revise Biology and Human Science with closely related General Science facts to eliminate similar distractors.
- Revise Basic Physics with closely related General Science facts to eliminate similar distractors.
Common mistakes to avoid
- Selecting a familiar term without checking the exact qualifier, year, institution, article, place or definition.
Topic and concept coverage
Mapped topic labels include General Science. The concept trail includes Basic Physics, Basic Chemistry, Biology and Human Science. Use these labels as a revision map: move from the broad area to the narrow concept, solve a verified PYQ, inspect the detailed reasoning, and then attempt another question from the same cluster.
Knowledge Graph navigation
Continue with General Awareness, Biology, Chemistry, Physics, General Awareness, Basic Physics, Basic Chemistry. These are canonical SRO entity links based on the Knowledge Graph and shared question mappings, not keyword-stuffed tag pages.
How to revise this authority page efficiently
- Solve before reading: answer a mapped PYQ first.
- Read the exact explanation: verify the correct principle, formula, distractor logic and common mistake on that question page.
- Move one level in the graph: use the closest concept/sub-topic/topic link rather than opening unrelated content.
- Reattempt: solve another verified PYQ from this hub and check whether the same error repeats.
Quality scope: this page is automatically maintained from SRO’s verified mapped corpus. It enriches one canonical authority URL instead of generating multiple near-duplicate pages for keyword variants. Manual authority articles are never overwritten by the automated engine.