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Bihar DCECE 2021 Polytechnic (PE) Question Paper Analysis (Available), Answer Key, Solutions

Diksha Sharma
Diksha SharmaUpdated On: September 26, 2021 | DCECE

DCECE 2021 Polytechnic Exam (PE) was conducted on September 25, 2021. Check exam analysis of DCECE PE 2021 along with answer key/ solutions. 

DCECE 2021 Question Paper Analysis

DCECE PE (Polytechnic) exam 2021 was conducted on September 26, 2021. The exam was conducted in the offline mode in the morning session. The duration of the exam was 2 hours and 15 minutes. As per the feedback of students, the level of the paper was difficult. The mathematics section was time-consuming. There were very tough questions from Electricity in Physics. However, Chemistry was quite easy. Most of the questions in Physics were from the 11th & 12th syllabus. There were a total of 90 questions in the exam and the medium of the paper was Hindi & English. There were multiple-choice questions in the paper. For each question, 5 marks will be awarded and there is no negative marking.

The candidates can check the detailed question paper analysis along with the memory-based questions and answer key on this page:

DCECE Polytechnic Cutoff 2021

DCECE 2021 Polytechnic Counselling

Bihar DCECE PE 2021 Exam Analysis

The DCECE 2021 PE exam analysis is available in the table below which is prepared on the basis of students’ reactions and experts analysis. 

Overall Difficulty Level


Difficulty Level of Physics


Difficulty Level of Chemistry


Difficulty Level of Mathematics

Moderate to Difficult

Topics with Maximum Weightage in Physics

Electricity, Laws of Motion

Topics with Maximum Weightage in Chemistry

Thermodynamics, Electrochemistry

Topics with Maximum Weightage in Mathematics

Trigonometry, Sequence & Series

Good Score


Bihar DCECE PE 2021 Question Paper

We have updated the Bihar DCECE PE 2021 Question Paper below:

  1. What is the formula of Siderite?
  2. What becomes the color of glass when crushed?
  3. How many electrons does Nitride have?
  4. How many Chlorine electrons are there in Chloroform?
  5. Which gas is released in Photosynthesis?
  6. What is the Ore of Copper?
  7. Which element becomes Plaster of Paris when heated?
  8. Which element is used during soap production?
  9. Which element has 20 electrons?
  10. What is the electron number of Sodium (Na)?
  11. Which element is most dissolved in water?
  12. Which gas stops the UV rays to come on Earth?

Bihar DCECE PE 2021 Answer Key

We have updated the Bihar DCECE PE 2021 Answer Key below:

  1. FeCo3
  2. White
  3. 10
  4. 3
  5. Oxygen
  6. Cu2s, CuFeS2
  7. Gypsum
  8. Glycerine
  9. Calcium
  10. 11
  11. Sodium
  12. Ozone

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