Important one liner for RRB JE upcoming shifts
Cell Organelles – One Line Functions
Cell wall – Provides shape, support and protection (plants only).
Cell membrane (Plasma membrane) – Controls movement of substances in and out.
Cytoplasm – Site of metabolic activities.
Nucleus – Controls cell activities; contains genetic material (DNA).
Nucleolus – Produces ribosomes.
Mitochondria – Powerhouse of the cell; produces ATP (energy).
Ribosomes – Site of protein synthesis.
Endoplasmic Reticulum (ER) – Transport system inside cell.
Rough ER – Protein synthesis (has ribosomes).
Smooth ER – Lipid synthesis and detoxification.
Golgi apparatus – Modifies, packages and secretes proteins.
Lysosomes – Suicidal bags; digestion of waste materials.
Vacuole – Stores food, water and wastes (large in plants).
Chloroplast – Photosynthesis (contains chlorophyll).
Centrosome/Centrioles – Helps in cell division (animal cells).
Peroxisomes – Break down fatty acids and toxic substances.
Cilia/Flagella – Help in movement.
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Cell Organelles – One Line Functions
Cell wall – Provides shape, support and protection (plants only).
Cell membrane (Plasma membrane) – Controls movement of substances in and out.
Cytoplasm – Site of metabolic activities.
Nucleus – Controls cell activities; contains genetic material (DNA).
Nucleolus – Produces ribosomes.
Mitochondria – Powerhouse of the cell; produces ATP (energy).
Ribosomes – Site of protein synthesis.
Endoplasmic Reticulum (ER) – Transport system inside cell.
Rough ER – Protein synthesis (has ribosomes).
Smooth ER – Lipid synthesis and detoxification.
Golgi apparatus – Modifies, packages and secretes proteins.
Lysosomes – Suicidal bags; digestion of waste materials.
Vacuole – Stores food, water and wastes (large in plants).
Chloroplast – Photosynthesis (contains chlorophyll).
Centrosome/Centrioles – Helps in cell division (animal cells).
Peroxisomes – Break down fatty acids and toxic substances.
Cilia/Flagella – Help in movement.
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Important one liner for RRB JE upcoming shifts
Parts of Eye – One Line Functions
Cornea – Transparent front layer that bends (refracts) incoming light.
Aqueous humour – Fluid that nourishes cornea and lens; maintains pressure.
Iris – Coloured part that controls size of pupil.
Pupil – Opening that regulates amount of light entering eye.
Lens – Focuses light on retina by changing shape.
Ciliary muscles – Adjust lens curvature for near and distant vision (accommodation).
Vitreous humour – Jelly-like substance that maintains eyeball shape.
Retina – Light-sensitive layer where image is formed.
Rods – Help in dim light (black & white vision).
Cones – Help in bright light and colour vision.
Yellow spot (Fovea) – Point of sharpest and most detailed vision.
Blind spot – Area where optic nerve leaves; no image formed.
Optic nerve – Carries visual impulses to brain.
Sclera – White outer protective covering of eye.
Choroid – Supplies blood and prevents internal reflection of light.
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Parts of Eye – One Line Functions
Cornea – Transparent front layer that bends (refracts) incoming light.
Aqueous humour – Fluid that nourishes cornea and lens; maintains pressure.
Iris – Coloured part that controls size of pupil.
Pupil – Opening that regulates amount of light entering eye.
Lens – Focuses light on retina by changing shape.
Ciliary muscles – Adjust lens curvature for near and distant vision (accommodation).
Vitreous humour – Jelly-like substance that maintains eyeball shape.
Retina – Light-sensitive layer where image is formed.
Rods – Help in dim light (black & white vision).
Cones – Help in bright light and colour vision.
Yellow spot (Fovea) – Point of sharpest and most detailed vision.
Blind spot – Area where optic nerve leaves; no image formed.
Optic nerve – Carries visual impulses to brain.
Sclera – White outer protective covering of eye.
Choroid – Supplies blood and prevents internal reflection of light.
Join us: @Preparation2Selection ⬅️
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Which of the following has the highest pH ?
A) Water B) Vinegar C) Lemon juice D) Milk
A) Water B) Vinegar C) Lemon juice D) Milk
Anonymous Quiz
21%
1
30%
2
30%
3
19%
4
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In a circuit diagram, the symbol for a Battery is represented by which of the following?
A) One long and one short line parallel to each other B) Several Cells Joined Together C) A circle with a cross inside D) Two equal lines parallel to each other
A) One long and one short line parallel to each other B) Several Cells Joined Together C) A circle with a cross inside D) Two equal lines parallel to each other
Anonymous Quiz
62%
1
20%
2
7%
3
12%
4
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P2S - RRB SSC Tamil
In a circuit diagram, the symbol for a Battery is represented by which of the following?
A) One long and one short line parallel to each other B) Several Cells Joined Together C) A circle with a cross inside D) Two equal lines parallel to each other
A) One long and one short line parallel to each other B) Several Cells Joined Together C) A circle with a cross inside D) Two equal lines parallel to each other
Tricky question , if you dont have study in-depth !
asked in Group D
asked in Group D
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Reaction that produces a brilliant yellow precipitate of lead (II) iodide,
and soluble potassium nitrate,
When mixed, two colorless solutions immediately form a vibrant yellow solid
and soluble potassium nitrate,
When mixed, two colorless solutions immediately form a vibrant yellow solid
Anonymous Quiz
36%
Potassium iodide
35%
Potassium nitrate,
19%
Lead Iodide
10%
PlumboNitrogen
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P2S - RRB SSC Tamil
Reaction that produces a brilliant yellow precipitate of lead (II) iodide,
and soluble potassium nitrate,
When mixed, two colorless solutions immediately form a vibrant yellow solid
and soluble potassium nitrate,
When mixed, two colorless solutions immediately form a vibrant yellow solid
This question asked in Group D & RRB JE Feb 20 JE 3 shift
5 sin y + cosy = √2 siny ,
then tan y
RRB JE 20 Feb Shift 03
then tan y
RRB JE 20 Feb Shift 03
Anonymous Quiz
13%
√5- 2/27
48%
5- √2/23
34%
-5+√2/23
5%
-4+√2/25
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C. Vijayaraghavachariar (1852–1944) is known as the
RRB JE Feb 20 Shift 03
RRB JE Feb 20 Shift 03
Anonymous Quiz
72%
"Hero of Salem"
28%
"Lion of Norht India"
RRB JE
Why is alcohol considered a cleaner fuel than petrol? A) It has a lower ignition temperature B) It burns without oxygen C) It produces less smoke D) It produces more carbon particles
Why is alcohol considered a cleaner fuel than petrol? A) It has a lower ignition temperature B) It burns without oxygen C) It produces less smoke D) It produces more carbon particles
Anonymous Quiz
31%
A) It has a lower ignition temperature
18%
B) It burns without oxygen
43%
C) It produces less smoke
9%
D) It produces more carbon particles
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P2S - RRB SSC Tamil
Indian Freedom struggles with year 1 qsn can expt in RRB JE 🔹 Early Resistance (Before 1885) 1) Revolt of 1857 (First War of Independence) Year: 1857–1858 Leaders: Mangal Pandey, Rani Lakshmibai, Bahadur Shah Zafar, Tantia Tope, Nana Sahib, Kunwar Singh…
https://www.youtube.com/watch?v=UW-AawLb_ug
In this 40 days preparation , we have covered
🔹 50+ Set
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🔹 IB vocab books
🔹Personal Mentorship
🔹Powerful set book
share your feedback
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Join us: @Preparation2Selection ⬅️
In this 40 days preparation , we have covered
🔹 50+ Set
🔹 8 sets for ACIO
🔹 IB vocab books
🔹Personal Mentorship
🔹Powerful set book
share your feedback
https://forms.gle/iajQxTXMdvxkTShc6
Join us: @Preparation2Selection ⬅️
YouTube
IB SA/Exe Last min tips in tamil | Share your feedback
Many aspirants find the IB Security Assistant Tier-II Translation Test confusing and stressful — but the truth is, it can be handled smartly with the right a...
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IB SA & ACIO aspirants,we will plan to make mock interviews and interview guidance!
https://forms.gle/iajQxTXMdvxkTShc6
I got few response only...kindly fill up your feedback!
https://forms.gle/iajQxTXMdvxkTShc6
I got few response only...kindly fill up your feedback!
Google Docs
IB ACIO & SA - Feedback
This form is designed to collect structured feedback regarding the IB ACIO and Security Assistant (SA) exam paper pattern, question quality, difficulty level, and guidance support provided.
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This Link is now for RRB Technician CEN-02/2025
City intimation will come on the same
https://rrb.digialm.com/EForms/loginAction.do?subAction=ViewLoginPage&formId=98139&orgId=33128
This one for RRB Paramedical CEN-03/2025
https://rrb.digialm.com/EForms/loginAction.do?subAction=ViewLoginPage&formId=98076&orgId=33128
Please don’t try to log in right now; we’ll let you know as soon as it’s activated
@Preparation2Selection
City intimation will come on the same
https://rrb.digialm.com/EForms/loginAction.do?subAction=ViewLoginPage&formId=98139&orgId=33128
This one for RRB Paramedical CEN-03/2025
https://rrb.digialm.com/EForms/loginAction.do?subAction=ViewLoginPage&formId=98076&orgId=33128
Please don’t try to log in right now; we’ll let you know as soon as it’s activated
@Preparation2Selection
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🕡 8:30 PM – RRB SSC quiz - Books and Authors
🕗 Followed by – GS/GK Quiz - Tiger sanctuaries
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Hello IB SA aspirant!!
How was the exam ??
Share your feedback ❤️
https://t.me/p2schat/4371
Semma - 🔥
Did well - ❤️
Average - 🙏
How was the exam ??
Share your feedback ❤️
https://t.me/p2schat/4371
Semma - 🔥
Did well - ❤️
Average - 🙏
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We have received over 100+ feedback responses IB SA TIER 2— truly beyond our expectations.
What began as a small initiative with just a five-member practice group has now grown into a platform that is benefiting many more aspirants.
Your support, participation, and valuable feedback mean a lot to us. We remain committed to improving and serving you better every day.❤️
What began as a small initiative with just a five-member practice group has now grown into a platform that is benefiting many more aspirants.
Your support, participation, and valuable feedback mean a lot to us. We remain committed to improving and serving you better every day.❤️
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P2S - RRB SSC Tamil pinned «Hello IB SA aspirant!! How was the exam ?? Share your feedback ❤️ https://t.me/p2schat/4371 Semma - 🔥 Did well - ❤️ Average - 🙏»
NTPC 50 Question WS#01 - P2S.pdf
2.1 MB
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