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Zoology · Class 12 Science

Telangana Tsbie Class 12 Zoology — Real Previous-Year Papers

with complete answers

Real previous-year board papers, year by year — the official exam pattern, the full question paper, and every question solved the concept-first way. Distinct from the chapter-wise textbook bank.

2018–2026
Years of papers
6
Total Papers
6
Real Board Papers
0
Sample papers
138
Real-paper Q & A
0
Sample-paper Q & A

Real board-paper questions available, by year

21 Q2026complete
21 Q2025complete
—2024Not available
21 Q2023complete
33 Q2022complete
—2021Not available
—2020Not available
21 Q2019complete
21 Q2018complete

Telangana Board of Intermediate Education 2026 · Set ANNUAL

Real board examination

About this paper

The real Class-12 board examination held in 2026. Every question below is solved the concept-first way. Sample papers are labelled honestly — never shown as a past exam.

Total marks
60
Questions
21
Duration
180 min
Sections
3

The marks / questions / duration above are the official exam pattern. We currently have 21 of this paper’s questions (100% of the full paper), with 21 fully solved. Questions we couldn’t yet extract or verify are held — never shown as complete.

Sections & marks

SectionTypeQuestionsMarks eachTotal
ASection Avery_short10220
BSection Bshort8432
CSection Clong3824
Total2160

The question paper

The questions we hold for this paper, laid out by section. Solutions are on the Answers tab.

Board Examination

Zoology

Telangana Board of Intermediate Education 2026 · Set ANNUAL

Series/Set: ANNUALRoll No. ________
Time Allowed: 3 hoursMaximum Marks: 60

General Instructions

  1. This question paper contains 21 questions divided into 3 sections — A, B, C.
  2. Section A comprises 10 questions of 2 marks each (very_short).
  3. Section B comprises 8 questions of 4 marks each (short).
  4. Section C comprises 3 questions of 8 marks each (long).

Above is the official exam pattern. The questions printed below are those we currently hold for this paper.

Section A

very_short · 2 marks each · 10 of 10 shown

Q1.
What is chyme?
[2]
Q2.
What is 'Amniocentesis'? Name any two disorders that can be detected by amniocentesis.
[2]
Q3.
What do you know about arbor vitae?
[2]
Q4.
What are the columns of Bertin?
[2]
Q5.
Name the keystone bone of the cranium. Where is it located?
[2]
Page 1 of 4
Q6.
Distinguish between diabetes insipidus and diabetes mellitus.
[2]
Q7.
Draw a labelled diagram of a sperm.
[2]
Q8.
What is acromegaly? Name the hormone responsible for this disorder.
[2]
Q9.
Differentiate between primary and secondary antibodies.
[2]
Q10.
MRI scan is harmless - Justify.
[2]
Section B

short · 4 marks each · 8 of 8 shown

Q1.
Draw a neat labelled diagram of L.S. of a tooth.
[4]
Q2.
Distinguish between homologous and analogous organs.
[4]
Page 2 of 4
Q3.
Explain Darwin's theory of Natural Selection with industrial melanism as an experimental proof.
[4]
Q4.
Describe erythroblastosis foetalis.
[4]
Q5.
What are the major transport mechanisms for CO2? Explain.
[4]
Q6.
What is Cori's cycle? Explain the process.
[4]
Q7.
Write short notes on immunoglobulins.
[4]
Q8.
Explain the different types of Cancers.
[4]
Page 3 of 4
Section C

long · 8 marks each · 3 of 3 shown

Q1.
Write notes on the working of the heart of man.
[8]
Q2.
What is criss-cross inheritance? Explain the inheritance of one sex-linked recessive character in human beings.
[8]
Q3.
Describe female reproductive system of a woman with the help of a labelled diagram.
[8]
Page 4 of 4