Video summary
RRB GROUP-D 2026 | 03/08/2026 All Shifts Analysis | Exact Questions | Memory Based Paper | #groupd
Main summary
Key takeaways
Main ideas / lessons from the video
- The speaker reviews Group D exam questions (described as memory-based) from 3rd August, divided across:
- Shift 1
- Shift 2
- Shift 3
- Focus areas include Science, General Studies, and Current Affairs.
- The speaker shares a common student perception about difficulty:
- Shift 1: easy to moderate
- Shift 2: easy to moderate / okay
- Shift 3: hardest (some students reported this)
- The approach is listener-feedback based:
- Students send questions.
- The speaker discusses questions received before/during the review window.
- Late submissions are promised to be covered later.
Detailed concepts + question types mentioned
A) Science (Shift 1 and repeated across parts)
Neurons / nerve cells
- Neurons & dendrites
- Question idea: why dendrites are useful for receiving impulses (subtitles include unclear phrasing like “next dents’ dendrites”).
Chemistry: atomic mass & isotopes
- Atomic mass unit / formula unit mass
- Question idea: identify the isotope that differs.
- Isotopes rule emphasized
- Same atomic number
- Different mass number
- Typical framing:
- “What remains constant?” → atomic number
- “What is different?” → mass number
Water purification
- Charcoal / filter media
- Speaker mentions “Yuva/KYuva” charcoal (as shown in subtitles) used for water purification.
Ethanol / ethyl alcohol in medicine
- Why ethanol is used for medical preparations:
- High solubility → helps medicines dissolve in water.
- Related uses mentioned:
- sanitizers
- perfumes
Plant physiology: germination
- Why seeds fail to germinate
- Main reason stated: seed coat too thick
- Additional point: inhibitory hormone mentioned as abscisic acid
- What helps germination
- Gibberellin is needed
Metals: reactivity
- Examples of moderately reactive metals:
- Al, Zn, Fe, Pb (and similar)
Physics: color of the sky
- Why the sky is blue:
- Rayleigh scattering
- Blue wavelength is shorter
Motion graphs
- Question type: velocity–time / velocity graph (exact wording unclear from subtitles)
Atomic weight / oxide mass calculation
- Example referenced:
- ZnO vs Na₂O
- Subtitles mention values like:
- Z = 65 (zinc)
- zinc atomic mass 16
- oxygen atomic mass 16
- sodium 23
- The speaker also references a common student arithmetic outcome (subtitles appear garbled), implying a calculation involving atoms/molar mass.
Environmental science: algae blooms
- A reaction/decomposition-type question is referenced, along with:
- “Why algae blooms happen”
Acid-base neutralization
- Product question:
- Salt + water
Prokaryotic cells
- Definition:
- no nucleus
- not well developed
- Example:
- bacteria
Plant tissue / meristem
- Question type:
- Which tissue is not found in plants
- Options appear to contrast plant tissues vs animal tissues (e.g., blood, muscular, nervous).
- Another referenced question:
- intercalary meristem location (from plant biology notes)
Plant responses: tropism/nastia
- Mentions:
- Thigmotropism / thigmonastia
- A “why does it shrink?” question is referenced (exact example unclear).
Electricity / circuits
- Shift-related idea:
- If current is increased two times, what happens to voltage?
- Concept mentioned:
- V ∝ I (implies constant resistance)
- A constant-formula style like f = ma appears later (for a different topic).
Magnetic field
- Question type involving magnetic field strength (details unclear).
Chemical bonding / ions
- Question idea:
- If chlorine has electrons constant, what type is it?
- Neutral atom if electrons are not lost
- Ion if electrons are lost
NCERT / simple machines
- Question type about simple machines
- Examples mentioned:
- bottle cap opener → lever
- second-class lever
- Also referenced:
- evaporation–condensation application question
Brain / body functions
- Question type:
- which brain part is responsible for a role
- Mentions:
- cerebrum
- “medium/pound/some part” (subtitles unclear)
B) General Studies + Current Affairs (mostly Shift 1, then more across shifts)
1) Awards and sports awards
- Padma awards
- Mentions Padma Vibhushan and Padma Bhushan
- Ballon d’Or
- Likely asked:
- year-wise details for 2025 vs 2026
- where it is held: London (England)
- Names mentioned in subtitles include:
- Enitana/Bonmati (likely Aitana Bonmatí)
- Dembélé (exact spelling/identity unclear)
- Likely asked:
- Laureus World Sports Awards
- Categories mentioned:
- Sportsman / Sportswoman of the year
- Breakthrough
- Team of the year
- Names mentioned:
- Aryna Sabalenka
- Notes:
- exam pattern may repeat year-to-year (e.g., 2025 then 2026)
- Categories mentioned:
2) Economy / policy committees / reports
- Monetary Policy Committee (MPC)
- Question type about:
- repo rate vs growth rate
- Subtitles mention example values such as:
- repo rate: 5.25%
- growth rate values: 6.9% and 7.7% / 7% (for different years)
- Speaker emphasizes:
- repo rate is not the growth rate
- Question type about:
- Poverty rate
- Mentions:
- World Bank report (poverty rate source)
- PLFS (another source used for percentages)
- Mentions:
- Health Index
- Mentions a Health Index question
- Speaker is unsure about the issuing organization (subtitles mention NITI Aayog as a guess)
3) International relations / summits / treaties
- Modi & Macron
- Location first mentioned: France
- Mentions a program/event:
- “Bharat Innovatives”
- Speaker says they discussed 13 topics
- Modi’s international visits
- Mentions:
- Slovakia described as the 100th country visited
- Bhutan mentioned as a recent/early visit
- Mentions:
- Ease of Doing Business
- Asked: “Who releases it?”
- Speaker says: World Bank
- Strait of Hormuz
- Question type about which strait was closed in a US-war context (implied answer: Strait of Hormuz)
- Free Trade Agreements (FTAs)
- Mentions:
- “India UK FTA” (subtitles imply signed)
- an “European free trade” signed with India (subtitles unclear)
- Speaker’s correction note:
- don’t always assume the answer is “India” if the question includes “European” phrasing (intended answer unclear due to subtitle errors)
- Mentions:
4) Science/tech current affairs: space missions
- SACSAT / SARASAT / “Eye of Sahara”
- Satellite referenced as:
- Sarsat / SARsat
- called “Eye of Sahara”
- Satellite referenced as:
- ISRO satellite: “Blue Bird”
- Speaker says it is the heaviest/largest recently launched satellite (per subtitles)
- Name: Blue Bird
- Launch timing: around December (as stated)
- Mentions it is in a “Blue Bird block”
- Related earlier sequence mentioned:
- JASAT 7
- SARSAT 11
- CS03
- then Blue Bird block
- Sachut app / “disaster alert app”
- App name appears garbled (Sachut/Sahatut/Sachat Yap)
- Speaker clarifies:
- the original app was designed as a disaster alert system
- Question format:
- “Who launched it?” → NDMA
- “Who designed it?” → C-DOT
5) Environment/disaster and regional current affairs
- Floods in May
- Mostly affected state: Assam
- Cause mentioned: Brahmaputra and its tributaries
- Earthquake in Manipur
- District/location mentioned:
- Kamagreja / Kramagreja (spelling unclear)
- District/location mentioned:
- Anti-gangster operation
- Operation Prahari
- Described as anti-gangster action
- Speaker emphasizes importance of tracking operations like those conducted in Punjab (context garbled)
6) Sports, games, and events
- Khelo India Youth Games
- Mentions a tribal version:
- Khelo India Tribal Games
- Held first time (per subtitles)
- Speaker mentions a similar “Inergal Games” in Chhattisgarh
- Held across three cities in Chhattisgarh
- Mentions a tribal version:
- National Senior Sports event
- Mentions it happened in Ranchi
- Then a reference to Cameroon appears (context unclear)
7) Miscellaneous named items/questions
- Oscar nominated film
- Mentions a film titled “98” (exact title unclear)
- Oscar-related homebound
- “Homebound is a Hindi film” is stated
- Largest jump / longest jump
- Sarvesh Ali mentioned for the longest jump
- SR/SE Asia online fraud
- Mentions Southeast Asia vulnerability to online fraud from a “Cyber Slave Report” (name/term unclear)
Speaker/source list (as featured in the subtitles)
- Channel / speaker name (implied): “Science for Railways”
- Individuals mentioned (as examples/questions):
- Arvind Panagariya (mentioned regarding Finance Commission)
- Narendra Modi
- Emmanuel Macron
- C-DOT
- NDMA (National Disaster Management Authority)
- World Bank
- PLFS
- NITI Aayog (as a possible guess for Health Index)
- Aitana Bonmatí (subtitles show “Enitana Bonamati”)
- Aryna Sabalenka
- Piyush Goyal
- Alex Page (subtitles suggest a civil-rights-related incident; details unclear)
- Sarvesh Ali
- Lawrence (appears to refer to Laureus; exact identity unclear)
- Organizations/brands mentioned:
- ISRO
- DRDO
- Bharat Innovatives
- Laureus World Sports Awards
- Ballon d’Or
- Padma awards
- Cyber Slave Report (exact official name uncertain)
- CBI (mentioned in a related operation context; garbled)
Note: No clearly distinct additional speakers are identified beyond the main narrator/host.