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Science Questions

Practice 32 Science questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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32
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32
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Practice by Exam:General Awareness(24)General Knowledge(4)General Knowledge and General Awareness(3)Chemistry(1)

About Science — practice questions, PYQs & concepts

Science is a frequently-tested topic on General Awareness, General Knowledge, General Knowledge and General Awareness. ExamTest.live currently lists 32 Science questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Science weight in competitive exams

Across our Science question bank, the largest sources are General Awareness (24), General Knowledge (4), General Knowledge and General Awareness (3) and Chemistry (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy Science questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Science Questions(1–32 of 32)

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Q1mediummcqGeneral Knowledge and General AwarenessSSC CPO 20242026
0% accuracy
What are the thin filamentous extensions found in the cell wall of motile bacterial cells called?
Q2mediummcqChemistryMock Test2026
0% accuracy
Which of the following is an example of an ionic compound?
Q3mediummcqGeneral Knowledge and General AwarenessSSC CPO 20242026
0% accuracy
Select the name of the hydrocarbon with the structural formula .
Q4mediummcqGeneral AwarenessStaff Selection Commission2026
The 'Blood Sugar' disease is also known as:
Q5mediummcqGeneral AwarenessStaff Selection Commission2026
Which of the following is a unicellular organism?
Q6mediummcqGeneral AwarenessStaff Selection Commission2026
Who contributed in the development of the periodic table?
Q7mediummcqGeneral AwarenessStaff Selection Commission2026
Which of the following statements is correct about nutrients?
Q8mediummcqGeneral AwarenessSSC CGL2026
What are bases that are soluble in water called?
Q9mediummcqGeneral AwarenessSSC CGL2026
Identify a substance that is NOT an allotrope of carbon.
Q10mediummcqGeneral AwarenessSSC CGL2026
Identify a mobile source of food.
Q11mediummcqGeneral KnowledgePractice Paper2026
On which date is “International Day of Light” celebrated each year ?
Q12mediummcqGeneral AwarenessCompetitive Exams2026
Which of the following statements is NOT true about angiosperms?
Q13mediummcqGeneral AwarenessCompetitive Exams2026
Dry Ice is the solid form of:
Q14mediummcqGeneral AwarenessCompetitive Exams2026
A special property of acids and bases is their ability to _______ each other’s properties.
Q15mediummcqGeneral KnowledgeCompetitive Exams2026
Which of the following is a nocturnal animal?
Q16mediummcqGeneral KnowledgeCompetitive Exams2026
Baking soda, the common cooking ingredient, has which of the following chemical name?
Q17mediummcqGeneral KnowledgeCompetitive Exams2026
What is the SI unit for the measurement of pressure?
Q18mediummcqGeneral AwarenessStaff Selection Commission2026
Identify the option that arranges the speed of light in descending order in different mediums.
Q19mediummcqGeneral AwarenessUP Police Constable2026
In plants/trees, after fertilisation the ovary matures to form the:
Q20mediummcqGeneral AwarenessStaff Selection Commission2026
Which of the following pairs is correctly matched?
Q21mediummcqGeneral Knowledge and General AwarenessSSC CPO 20242026
Identify the number of electrons found in the outermost shell of a halogen atom.
Q22mediummcqGeneral AwarenessIndian Competitive Exams2026
Which metallic element is called 'ferromagnetic' because of its strong attraction?
Q23mediummcqGeneral AwarenessIndian Competitive Exams2026
Which glands help in digestion in the stomach?
Q24mediummcqGeneral AwarenessIndian Competitive Exams2026
Rickets is caused by deficiency of:
Q25mediummcqGeneral AwarenessIndian Competitive Exam2026
The following are three processes of reproduction in plants:(a) Vegetative,(b) Sexual,(c) AsexualWhich of them is adopted by algae?
Q26mediummcqGeneral AwarenessIndian Competitive Exam2026
Which of the following has the same dimension as that of torque?
Q27mediummcqGeneral AwarenessIndian Competitive Exam2026
What is the atomic number of lithium?
Q28mediummcqGeneral AwarenessUP Police Constable2026
______ propounded the inheritance of acquired character.
Q29mediummcqGeneral AwarenessUP Police Constable2026
Which of the following is a man-made fibre that was made without using any natural raw material (from plant or animal)? It was prepared from coal, water and air. It was the first fully synthetic fibre.
Q30mediummcqGeneral AwarenessUP Police Constable2026
Out of the following options, choose the name of a spore-producing plant:
Q31mediummcqGeneral AwarenessUP Police Constable2026
The vascular tissue that transports water and nutrients in plants is called the ______.
Q32mediummcqGeneral AwarenessUP Police Constable2026
Damaged CFLs and fluorescent tubes should be disposed off safely because they contain ______ vapour, which is toxic in nature.

Frequently Asked Questions

How many Science questions are on ExamTest.live?▼
We have 32 Science questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Science MCQs free?▼
Yes. All Science questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Science questions?▼
Science questions are commonly asked in General Awareness, General Knowledge, General Knowledge and General Awareness, Chemistry. You can filter by exam using the links above.
How do I practice Science questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.