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Science Mock Test 3 – Free Online Practice Test with Answers

Home / Tests / Scholar Tests / Science Mock Test 3 – Free Online Practice Test with Answers
🏆 Scholarship test ✓ Free Class 10 Science

About this test

This Science (विज्ञान) mock test is a mixed practice paper for Class 10 students who want to revise Physics, Chemistry and Biology together. It includes questions from Magnetic Field Lines (चुंबकीय क्षेत्र रेखाएँ), Electric Motor and Generator (विद्युत मोटर और जनित्र), Chemical Bonding (रासायनिक आबंध), Functional Groups (प्रकार्यात्मक समूह), Human Reproductive System (मानव जनन तंत्र) and Biodiversity (जैव विविधता), 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

  • Magnetic Field Lines and Their Properties (चुंबकीय क्षेत्र रेखाएँ और उनके गुण)
  • Solenoid and Electromagnet (परिनालिका और विद्युत चुंबक)
  • Electric Motor and Electric Generator (विद्युत मोटर और विद्युत जनित्र)
  • Alternating and Direct Current (प्रत्यावर्ती और दिष्ट धारा)
  • Electron Dot Structures and Covalent Bonds (इलेक्ट्रॉन बिंदु संरचना और सहसंयोजी आबंध)
  • Functional Groups and Isomerism (प्रकार्यात्मक समूह और समावयवता)
  • Male and Female Reproductive Systems (नर और मादा जनन तंत्र)
  • Reproductive Health and Contraception (जनन स्वास्थ्य और गर्भनिरोधन)

Questions students ask

What do magnetic field lines (चुंबकीय क्षेत्र रेखाएँ) never do?

They never cross each other, because two different directions of the field at one point is not possible.

What is a solenoid (परिनालिका)?

A coil of many circular turns of insulated wire wound in the shape of a cylinder, which acts like a bar magnet when current flows through it.

What is the principle of an electric generator (विद्युत जनित्र)?

Electromagnetic induction (विद्युत चुंबकीय प्रेरण): a current is produced when a conductor moves in a magnetic field.

How many covalent bonds does a carbon atom form?

Four, because it has four valence electrons and shares them with other atoms.

What is the functional group (प्रकार्यात्मक समूह) in alcohols?

The hydroxyl group (–OH).

Where does fertilisation (निषेचन) take place in human females?

In the fallopian tube (अंडवाहिनी).

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