The KTET Category 3 Natural Science Answer Key 2026 (Tentative) has become one of the most searched updates after the Kerala Teacher Eligibility Test held on 23 February 2026. The Category III exam was conducted in offline OMR mode for candidates aspiring to become High School teachers (Classes VIII–X) in Kerala. The paper included 150 multiple choice questions covering Psychology and Pedagogy, Language, and Natural Science subject content. This post contains all the verified information regarding KTET Category 3 Natural Science Answer Key 2026 (Tentative) and the details related to it.
- 1 Snapshot of KTET 2026 Category III Examination
- 2 KTET 2026 Category 3 Exam Structure
- 3 KTET Category 3 Natural Science Answer Key 2026 (Tentative) – Q.71 to Q.150
- 4 Questions 71–90 (Core Biology & Environmental Science)
- 5 Questions 91–110 (Natural Science Concepts)
- 6 Questions 111–130 (Biotechnology & Pedagogy)
- 7 Questions 131–150 (Science Education & Assessment)
- 8 How to Estimate Your Score Using the Tentative Key
- 9 Category-Wise Minimum Qualifying Marks
- 10 Steps to Download Official KTET Category 3 Answer Key 2026
- 11 Frequently Asked Questions
- 12 Important Links
Snapshot of KTET 2026 Category III Examination
KTET 2026 Category 3 Exam Structure
| Feature | Details |
|---|---|
| Exam Name | Kerala Teacher Eligibility Test (KTET) 2026 – Category 3 |
| Conducting Body | Kerala Pareeksha Bhavan |
| Mode of Exam | Offline (OMR Based) |
| Total Questions | 150 MCQs |
| Total Marks | 150 Marks |
| Duration | 150 Minutes |
| Negative Marking | No Negative Marking |
| Sections | Pedagogy, Language, Natural Science |
KTET Category 3 Natural Science Answer Key 2026 (Tentative) – Q.71 to Q.150
Questions 71–90 (Core Biology & Environmental Science)
The questions included plant physiology, respiration, ecology, BOD, greenhouse gases, amphibian evolution and cloning techniques. Tentative answers indicate strong weight age from plant anatomy, environmental science and genetics.
Questions 91–110 (Natural Science Concepts)
This segment included topics like primary succession, glycolysis ATP yield, ozone depletion, lymphoid organs, vascular bundles, ABO grouping and respiratory volumes. Environmental awareness and applied biology were heavily tested.
SSC CHSL 10+2 Tier-I Result 2026 Out at ssc.gov.in > 3131 Posts Merit List, Scorecard & Cutoff
Questions 111–130 (Biotechnology & Pedagogy)
Candidates faced questions on micropropagation, Bt cotton, Red Data Book, Bloom’s taxonomy, NCF 2005 recommendations and cognitive constructivism theories.
Questions 131–150 (Science Education & Assessment)
This section assessed understanding of curriculum principles, UNESCO education pillars, NCERT establishment year, test validity and reliability and project based learning approaches.
How to Estimate Your Score Using the Tentative Key
To estimate your score using the tentative key candidates must follow the given steps carefully:
Step 1> Match your OMR responses with the answers listed in the KTET Category 3 Natural Science Answer Key 2026 (Tentative).
Step 2> Count the total number of correct responses across all sections and multiply the correct answers by 1 mark each.
Step 3> Compare your total with the minimum qualifying marks prescribed for your category.
Category-Wise Minimum Qualifying Marks
| Category | Minimum Percentage | Passing Marks (Out of 150) |
|---|---|---|
| General | 60% | 90 Marks |
| OBC / SC / ST / PH | 55% | 82 Marks |
Steps to Download Official KTET Category 3 Answer Key 2026
To download official KTET Category 3 Answer Key 2026 candidates must follow the given steps carefully:
Step 1> Open the official website of Kerala Pareeksha Bhavan at https://ktet.kerala.gov.in.
Step 2> Navigate to the “Answer Key” section on the homepage then click on “KTET 2026 Answer Key” and select Category 3.
Step 3> Download the PDF and compare it with your OMR responses.
Frequently Asked Questions
Ans> No. The current tentative key is unofficial and prepared from memory-based questions. Only the key released by Kerala Pareeksha Bhavan is considered final.
Ans> No. Each correct answer carries 1 mark. Incorrect answers do not reduce marks.
Ans> General category candidates must score at least 90 marks out of 150 to qualify.
Important Links
| Description | Link |
|---|---|
| Download Official Answer Key | Click Here |
| Official Website | https://ktet.kerala.gov.in |