Download the HSTR previous year questions PDF
15 questions picked from past HSTR papers. Every question has the correct answer and a short explanation. Each page is printed in Kannada, followed by the same questions in English.
⬇ Download free PDFPDF · 331 KB · Kannada + English
HSTR previous year questions with answers
These are the questions in the PDF. Tap “Show answer” to check yourself.
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The first aid should be provided for the wound caused due to acid burn is to wash the wound with
From: HSTR 2015 Chemistry, Biology
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Answer: A. water and then with saturated sodium-bi-carbonate.
For acid burns, first wash with plenty of water to remove the acid, then wash with saturated sodium bicarbonate solution to neutralize any remaining acid.
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The personality who is not connected with 1857 mutiny
From: HSTR 2015 P 1
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Answer: A. Bhagat Singh
Bhagat Singh was not connected with the 1857 mutiny. He was born in 1907 and was associated with India's freedom struggle in the 1920s-1930s. Lakshmi Bai, Tantia Tope, and Nana Sahib were key figures of the 1857 revolt.
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The p/q (p, q ∈ z, q ≠ 0) form of 1.999.... is
From: HSTR 2015 Physics, Mathematics
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Answer: C. 2
Let x = 1.999... Then 10x = 19.999... Subtracting: 9x = 18, so x = 2. Therefore 1.999... = 2.
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The living cell of the society is
From: HSTR 2015 Social Science
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Answer: D. Family
Family is considered the living cell of the society. Just as cells are the basic unit of life, family is the basic and fundamental unit of society.
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Euglena viridis belongs to the class
From: HSTR 2012 Chemistry, Biology
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Answer: B. Mastigophora
Euglena viridis belongs to the class Mastigophora (Flagellata). Mastigophora includes protozoans that use flagella for locomotion. Euglena has a single flagellum and exhibits both autotrophic (has chloroplasts) and heterotrophic nutrition. Rhizopodea includes amoeba-like organisms, Telosporea (Sporozoa) includes Plasmodium.
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The wavelength range for γ-rays is
From: HSTR 2012 Physics, Mathematics
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Answer: C. 0.001 Å – 0.1 Å
Gamma rays have very short wavelengths, typically in the range of 0.001 Å to 0.1 Å (less than 10⁻¹² m).
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The cells of thallus of Anthoceros is peculiar in possessing
From: HSTR 2009 Chemistry, Biology
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Answer: D. Pyrenoid
Anthoceros (a hornwort bryophyte) is unique among bryophytes in possessing pyrenoids in its chloroplasts, similar to algae. Pyrenoids are protein bodies associated with starch synthesis. This is considered a primitive feature linking bryophytes to their algal ancestors. Each cell typically has a single large chloroplast with a pyrenoid.
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The Defence Research and Development Organisation (DRDO) in India was established in the year ______
From: HSTR 2009 Social Science
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Answer: A. 1958
The DRDO was established in 1958 by amalgamating the Technical Development Establishment, the Directorate of Technical Development & Production and the Defence Science Organisation.
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The credit for cracking the genetic code in vitro goes to
From: HSTR 2007 Chemistry, Biology
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Answer: B. Nirenberg and Khorana
The credit for cracking the genetic code in vitro goes to Marshall Nirenberg and Har Gobind Khorana. Nirenberg performed the cell-free translation experiment and Khorana synthesized artificial RNA to decipher all 64 codons. They received the Nobel Prize in 1968.
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In which European country is the highest quality iron ore found?
From: HSTR 2007 Social Science
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Answer: C. Sweden
Sweden has the highest quality iron ore in Europe, particularly the magnetite deposits in Kiruna and Gällivare in the northern region. Swedish iron ore has very high iron content.
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The year of completion of India's Tenth Five Year Plan
From: HSTR 2006 Social Science
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Answer: D. 2007
India's Tenth Five Year Plan ran from 2002 to 2007. It aimed to achieve 8% GDP growth and focused on doubling per capita income in 10 years.
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Identify the strong electrolyte.
From: HSTR 2015 Chemistry, Biology
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Answer: D. Na₂CO₃
Na₂CO₃ is a salt that dissociates completely in water, so it is a strong electrolyte. Lead acetate, ammonium hydroxide and acetic acid are weak electrolytes.
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The person associated with multiple intelligence is
From: HSTR 2015 P 1
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Answer: D. Gardner
Howard Gardner is associated with the theory of Multiple Intelligence. He proposed that intelligence is not a single general ability but consists of multiple distinct intelligences including linguistic, logical-mathematical, musical, spatial, bodily-kinesthetic, interpersonal, intrapersonal, and naturalistic.
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In the life cycle of stars the end stage of massive stars [mass 30 times that of Sun] is
From: HSTR 2015 Physics, Mathematics
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Answer: C. Black hole
Massive stars with mass about 30 times that of the Sun end their life cycle as black holes. After a supernova explosion, the core collapses to form a black hole due to immense gravitational force.
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Genetic industries are engaged in reproduction of
From: HSTR 2015 Social Science
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Answer: A. different crops, plants and animals
Genetic industries are engaged in the reproduction of different crops, plants and animals. They use genetic engineering and biotechnology to improve varieties.
14 HSTR previous year papers in the Sadhisu app
Practise these full HSTR papers as timed tests, with answers, explanations and your score:
- HSTR 2006 Social Science
- HSTR 2007 Chemistry, Biology
- HSTR 2007 Social Science
- HSTR 2009 Chemistry, Biology
- HSTR 2009 Kannada
- HSTR 2009 Social Science
- HSTR 2012 Chemistry, Biology
- HSTR 2012 Kannada
- HSTR 2012 Physics, Mathematics
- HSTR 2015 Chemistry, Biology
- HSTR 2015 Kannada
- HSTR 2015 P 1
- HSTR 2015 Physics, Mathematics
- HSTR 2015 Social Science
Practise every HSTR paper in the app
Full previous year papers as timed tests, subject-wise practice, daily current affairs and bilingual study notes.
HSTR previous year papers — FAQs
Where can I download HSTR previous year question papers PDF?
This page has a free PDF of 15 solved HSTR previous year questions. The Sadhisu app has 14 full HSTR papers — including HSTR 2015 Social Science, HSTR 2015 Physics, Mathematics, HSTR 2015 P 1 — to practise as timed tests with answers.
Does the HSTR PDF have answers?
Yes. Every question has the correct answer and a short explanation, in both Kannada and English.
Are HSTR question papers available in Kannada?
Yes. The PDF prints each page in Kannada first, followed by the same questions in English.
Is the HSTR previous year papers PDF free?
Yes. It is free to download and share, and needs no sign-up.