Top 300+ Science Questions for NDA Exams

By Gagan Makkar|Updated : September 2nd, 2021

300+ Science Questions of each subject Physics, Chemistry and Biology for NDA Exam, download PDF. The NDA 2 2021 Exam is scheduled to be conducted on 14th November 2021. When it comes to UPSC competitive exams, Science plays an integral role. It is also one of the most important aspects which are almost left unheeded and put on the back burner. However, it is the most important aspect as the Science section in the competitive exams are the ones that can fetch you scores.

300+ Science Questions of each subject Physics, Chemistry and Biology for NDA Exam, download PDF. The NDA 2 2021 Exam is scheduled to be conducted on 14th November 2021. When it comes to UPSC competitive exams, Science plays an integral role. It is also one of the most important aspects which are almost left unheeded and put on the back burner. However, it is the most important aspect as the Science section in the competitive exams are the ones that can fetch you scores.
 
Over the Gradeup Platform, we have brought you 300+ Science questions that would help you to test your knowledge as well as, increase your score in the exam. Science is generally asked from NCERTs. To boost candidates preparation we are sharing 300+ Important Science for NDA Exam. 

These questions are important not only for NDA but also important for Airforce X Y & Navy AA/SSR Exam. To download the complete PDF, click on the direct link given below:

Subject

English Pdf

Hindi Pdf

Solution

Physics Important QuestionsClick HereClick HereClick Here
Chemistry Important QuestionsClick HereClick HereClick Here
Biology Important QuestionsClick HereClick HereClick Here

Some Important Question of Science for NDA 2 2021

1.If a current passes through a resistor then find the relation between K1 and K2 where K1 and K2 represent the average kinetic energy of the conduction electrons and the metal ions, respectively.

A. K2 < K2
B. K1 = K2
C. K1 > K2
D. Any of these three may occur

2.If a uniform wire of resistance 50 Ω is cut into 5 equal parts and these parts are connected in parallel then calculate the equivalent resistance of the combination.

A. 2 Ω
B. 10 Ω
C. 250 Ω
D. 6250 Ω

3.Consider the following statements when two non-ideal batteries are connected in series.

(i) The equivalent emf is larger than either of the two EMFs.

(ii) The equivalent internal resistance is smaller than either of the two internal resistances.

A. (i) and (ii) are correct.
B. (i) is correct but (ii) is wrong.
C. (ii) is correct but (i) is wrong.
D. (i) and (ii) are wrong.

4.How much current drawn from the alternating current shown in the figure, if the currents through inductor and capacitor are 1.2 amp and 1.0 amp respectively.

 

A. 0.4 amp
B. 0.2 amp
C. 1.0 amp
D. 1.2 amp

5.What is the direction of current in coil A, when the current in coil B (at t=0) is in a counterclockwise as shown in the figure? [ Coil A is rotated about its vertical axis because no current is induced in coil B if coil A is at rest]

 

A. Constant current clockwise.
B. Varying current clockwise.
C. Varying current counterclockwise.
D. Constant current counterclockwise

6.How many oxygen ions are there in 3 moles of oxygen?

A. 
B. 
C. 
D. 

7.A compound can release 20% of oxygen by mass on heating. How much compound is needed if 800 g of oxygen is to be released?

A. 4 kg
B. 5 kg
C. 2 kg
D. 2.5 kg

8.Which of the following has the same number of electrons as 16S32?

A. 17Cl35-
B. 15P31-
C. 18Ar40
D. 19K39+

9.What is the chemical symbol for Tantalum?

A. Ta
B. Tl
C. Te
D. Th

10.An element has 9 electrons, 9 protons, and 10 neutrons. What is its mass number?

A. 18
B. 28
C. 10
D. 19

11.Which of the following are classified as prokaryotes?

A. Bacteria and Archaea
B. Bacteria and Protista
C. Archaea and Eukarya
D. Eukarya and Monera

12.__________ disease is caused by the deficiency of Niacin.

A. Scurvy
B. Pellagra
C. Rickets
D. Pernicious anemia

13.Which type of bond is present in protein?

A. Glycosidic
B. Peptide
C. Ester
D. Hydrogen

14.Which of the following is the function/ functions of the prostate gland?

A. To transfer sperms smoothly
B. To keep sperms alive
C. To help sperm swim vigorously
D. Both B & C

15.Classification of organisms as oxygenic or anoxygenic during photosynthesis is based on ______

A. The presence of Co2
B. The generation of oxygen
C. The presence of light
D. The presence of water
 

Solution is provided in the PDF above

  ------------------------------------------

Thanks 

All The Best

Posted by:

Gagan MakkarGagan MakkarMember since Jun 2019
Share this article   |

Comments

write a comment
Ajay Kumar

Ajay KumarAug 23, 2020

Bro iski answer key nhi h ?
Ankit Kumar Singh
Sir! Please upload of biology also.
Amal Dev R

Amal Dev RMar 26, 2021

Where can i find the downloaded notes?
Pawan Saran
Sir please provide ans. Sheet in hindi

Follow us for latest updates