RRB NTPC 2020-2021 Exam Memory Based General Science (GS) Questions with Answers: Check Biology/Physics/Chemistry Questions asked in RRB NTPC 2021 CBT

RRB NTPC 2020-2021 Exam Memory Based General Science (GS) Questions with Answers: Get the memory based questions from General Science (GS) section (Biology/Physics/Chemistry) that came in RRB NTPC 2020 Exam held in online mode from 28th Dec 2020 to 13th Jan 2021. 

Created On: Jan 8, 2021 12:17 IST
RRB NTPC 2020-2021 Exam Memory Based General Science (GS) Questions with Answers: Check Biology/Physics/Chemistry Questions asked in RRB NTPC 2021 CBT
RRB NTPC 2020-2021 Exam Memory Based General Science (GS) Questions with Answers: Check Biology/Physics/Chemistry Questions asked in RRB NTPC 2021 CBT

RRB NTPC 2020-2021 Exam Memory Based General Science (GS) Questions with Answers: RRB NTPC 2020 Exam has been commenced from 28th December 2020. Today, the exam was conducted for the RRB Non-Technical Popular Categories (NTPC) 35208 Graduate & Under-Graduate Posts in two shifts. RRB NTPC 2020 Exam will be conducted for around 23 lakh Candidates in Phase-1, i.e., from 28th December 2020 to 13th January 2021 and for around 27 Lakh Candidates in Phase-2, i.e., from 16th January to 30th January 2021.

Check RRB NTPC 2020 Exam Analysis - Difficulty Level & Good Attempts

In this article, we are going to share the important memory based General Awareness, General Science (GS) section (Biology/Physics/Chemistry) Questions as per the feedback received by the candidates who have appeared for RRB NTPC 2020 Online Exam. Candidates are advised to definitely cover these questions for scoring high marks in the Exam. Let’s have a look at the Important Questions that are being covered in the RRB NTPC 2020 Exam:

Check RRB NTPC 2020 Exam Schedule

RRB NTPC 2020 GA/ General Science (GS) section (Biology/Physics/Chemistry) Questions – 28th December 2020 to 5th January 2021

1. The Chemical Formula of Lime Water:

Answer: Ca(OH)2

2. Who discovered cell?

Answer: Robert Hooke

Check RRB NTPC 2020 Exam 7 Last Minute Preparation Tips

3. Which organ secretes Bile Juice?

Answer: Liver

1.      Practice Mathematics Mock Test with Answers (30 Marks)

2.      Practice General Intelligence & Reasoning Mock Test (30 Marks) with Answers

3.      Practice General Awareness & Current Affairs Mock Test with Answers (40 Marks)

4.      Practice RRB NTPC GA History Questions

5.      Practice RRB NTPC GA Geography questions

6.      Practice RRB NTPC GA Indian Polity Questions

7.      Practice RRB NTPC GA Economy Questions

8.      Practice RRB NTPC GS Biology Questions

9.       Practice RRB NTPC GS Chemistry Questions

10.  Practice RRB NTPC GS Physics Questions

4. Color of Fertilizer revolution in India:

Answer: Grey Revolution

Check RRB NTPC 2020 Admit Card & Exam Updates

5. The Chemical Formula of Hard Water:

Answer: H2O

6. Unit of Electric Current:

Answer: Ampere

Check Detailed RRB NTPC 2020 Exam Pattern & Syllabus

7. Double Helix Model of DNA was given by:

Answer: Francis Creek & James Watson

8. pH of lemon:

Answer: A lemon is an acidic fruit with a pH ranging from 2 to 3.

Check RRB NTPC 2020 Eligibility Criteria

9. Gas leaked in Bhopal Gas Tragedy:

Answer: Methyl Isocyanate

10. Tear Gas Chemical Name:

Answer: 2-chlorobenzalmalononitrile

Check RRB NTPC 2020 Exam & Admit Card Rules

11. Who is the Head of DRDO Head?

Answer: Satheesh Reddy, Head of the Defence Research and Development Organisation (DRDO)

12. Which country developed first COVID-19 Vaccine?

Answer: Russia - 'Sputnik V'

Check GA/GK/Current Affairs Memory Based Questions with Answers of RRB NTPC 2020-21 Exam

13. Lower Jaw is called:

Answer: Mandible - Jaw is a set of bones that holds teeth. It consists of two main parts. The upper part is the maxilla. It doesn't move. The moveable lower part is called the mandible.

14. The working principle of a washing machine is:

Answer: Centrifugation - Centrifugation is a separation process that uses the action of centrifugal force to promote accelerated settling of particles in a solid-liquid mixture.

15. Which country is completed the first human trial vaccine for COVID-19?

Answer: Russia

Check RRB NTPC 2020 Memory Based Reasoning Questions with Answers

16. Which state govt launched a healthcare supply chain?

17. Chemical Name of Laughing Gas:

Answer: Nitrous Oxide

18. PH of Human Blood:

Answer: Human life requires a tightly controlled pH level in the serum of about 7.4 (a slightly alkaline range of 7.35 to 7.45) to survive.

Check RRB NTPC 2020-21 GK History Memory Based Questions with Answers

19. Bile Juice secreted by which organ?

Answer: Liver - Bile acids are produced and secreted by the liver into bile and released into the intestine.

20. Smallest planet:

Answer: Mercury

21. A group of dolphins is called?

Answer: Pod - A pod usually is formed of around 12 dolphins and it is the usual social group of dolphins.

Check RRB NTPC 2020-21 Memory Based Indian Polity Questions with Answers

22. Polio vaccine was developed by whom?

Answer: Dr. Jonas Salk and Dr. Albert Sabin

23. Father of space research:

Answer: Vikram Sarabhai

Check RRB NTPC 2020-21 GK Geography Memory Based Questions with Answers

24. What is Viticulture?

Answer: Viticulture or winegrowing (wine growing) is the cultivation and harvesting of grapes.

25. What is the study of birds called?

Answer: Ornithology, the scientific study on birds, is one of the oldest organized scientific disciplines.

Check RRB NTPC 2020-21 Memory Based Mathematics Questions with Answers

26. World Tuberculosis (TB) Day:

Answer: March 24

27. Which of the following is responsible for protein synthesis in plants out of potassium, nitrogen, magnesium, phosphorus?

28. Which of the following is responsible for neuron signal out of dendrite, nerve cell, etc.?

29. Salivary Glands are made up of:

Answer: The salivary glands are made of secretory units called acini, which are made up of acinar cells which could be serious or mucous.

30. Who is the writer of “Origin of Species”?

Answer: Charles Darwin

31. Arogya Setu App became live on play store on which date?

Answer: 2nd April 2020

32. Who is the father of Histology?

Answer: Marcello Malpighi

Also read:

RRB 2020-21 Exam Calendar

Check RRB NTPC Salary after 7th Pay Commission, Job Profile and Promotion Policy

Check the Minimum Qualifying Marks for RRB NTPC 2020 Exam

Get RRB NTPC 2020 Free Study Material

Download Previous Year Papers of RRB NTPC Exam

RRB NTPC 2020 Preparation Tips & Strategy

RRB NTPC 2020 30 Days Study Plan

RRB NTPC FAQs

RRB NTPC Region-wise Previous Year Cut Off Marks

RRB Calculator for Normalization of Marks in NTPC 2020 Exam

Check EWS Reservation for RRB NTPC 2020 Recruitment

RRB Group D 2020 Exam Details

RRB MI 2020 Exam Details