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Science Mock Test 8 – Revision Test for Better Marks

🏆 Scholarship test ✓ Free Class 10 Science

About this test

This Science (विज्ञान) mock test is made for Class 10 students who want to revise the chemistry and biology chapters on carbon compounds, metals and reproduction. It includes questions from Metals and Non-metals (धातु एवं अधातु), Carbon and its Compounds (कार्बन एवं उसके यौगिक), Control and Coordination (नियंत्रण एवं समन्वय) and How do Organisms Reproduce? (जीव जनन कैसे करते हैं?), so you can practise both concepts and reasoning-based questions. Solve it in one sitting with a timer, without looking at your book. Afterwards, check each answer carefully and note the topics where you lost marks. Regular practice like this builds speed and confidence for school tests and the board exam (बोर्ड परीक्षा).

39Questions
180Minutes
80Marks

What this test covers

  • Properties of Metals and Non-metals (धातुओं और अधातुओं के गुण)
  • Reactivity Series and Corrosion (अभिक्रियाशीलता श्रेणी और संक्षारण)
  • Covalent Bonding and Homologous Series (सहसंयोजी आबंध और समजातीय श्रेणी)
  • Chemical Properties of Carbon Compounds (कार्बन यौगिकों के रासायनिक गुण)
  • Nervous System and Hormones (तंत्रिका तंत्र और हार्मोन)
  • Asexual and Sexual Reproduction (अलैंगिक और लैंगिक जनन)
  • Reproduction in Human Beings (मानव में जनन)

Questions students ask

Which metal is liquid at room temperature?

Mercury (पारा).

What is rusting (जंग लगना)?

The slow corrosion of iron when it reacts with oxygen and moisture to form iron oxide.

What is the general formula of alkanes (एल्केन)?

CₙH₂ₙ₊₂

What is saponification (साबुनीकरण)?

The reaction of an ester with a base like sodium hydroxide to form soap and alcohol.

Which hormone controls the level of sugar in the blood?

Insulin (इंसुलिन), made by the pancreas.

What is binary fission (द्विखंडन)?

A type of asexual reproduction in which a single cell splits into two equal daughter cells, as in Amoeba.