IOE Entrance Vocabulary Practice – Set 1
1. The engineer presented a comprehensive report on the project.
a) incomplete
b) detailed
c) brief
d) limited
2. The results of the experiment were astonishing.
a) boring
b) surprising
c) dull
d) regular
3. He tried to conceal
his mistake during the lab presentation.
a) show
b) hide
c) explain
d) repeat
4. The teacher asked the students to assemble in the hall.
a) run
b) scatter
c) gather
d) move
5. The software update will enhance the performance of the device.
a) reduce
b) improve
c) disturb
d) delay
6. The researcher provided a precise explanation of the procedure.
a) vague
b) exact
c) wrong
d) simple
7. The invention of the transistor was a milestone in electronics.
a) failure
b) problem
c) landmark
d) obstacle
8. The new policy aims to eliminate corruption.
a) support
b) increase
c) remove
d) ignore
9. The earthquake caused massive damage to the buildings.
a) minor
b) huge
c) little
d) simple
10. She was reluctant
to accept the offer.
a) unwilling
b) eager
c) happy
d) excited
11. The manager gave an ambiguous statement in the meeting.
a) clear
b) confusing
c) honest
d) loud
12. The project was completed in a systematic manner.
a) random
b) careless
c) organized
d) lazy
13. The engineer’s work was meticulous and detailed.
a) careless
b) messy
c) thorough
d) rough
14. The speaker made a spontaneous comment during the discussion.
a) planned
b) sudden
c) prepared
d) silent
15. He was acclaimed
for his contribution to the research.
a) criticized
b) praised
c) rejected
d) ignored
16. The team tried to rectify the error before submission.
a) create
b) ignore
c) correct
d) delete
17. The device was too fragile to be shipped without packaging.
a) strong
b) heavy
c) weak
d) flexible
18. Her explanation was coherent and easy to follow.
a) confusing
b) logical
c) false
d) random
19. The government has imposed strict regulations on waste disposal.
a) lifted
b) allowed
c) forced
d) canceled
20. The result of the test was inevitable due to poor planning.
a) avoidable
b) expected
c) surprising
d) temporary
Answers
1.
Comprehensive
b) detailed
Reason: Comprehensive means covering all aspects thoroughly —
similar to detailed.
2.
Astonishing
b) surprising
Reason: Astonishing means very surprising or amazing.
3.
Conceal
b) hide
Reason: Conceal means to hide or keep something secret.
4.
Assemble
c) gather
Reason: Assemble means to bring together or gather in a group.
5.
Enhance
b) improve
Reason: Enhance means to make something better or improve its
quality.
6.
Precise
b) exact
Reason: Precise means very accurate or exact.
7.
Milestone
c) landmark
Reason: Milestone is a significant event or achievement — similar
to landmark.
8.
Eliminate
c) remove
Reason: Eliminate means to get rid of or remove something.
9.
Massive
b) huge
Reason: Massive means extremely large — same as huge.
10. Reluctant
a) unwilling
Reason: Reluctant means not willing to do something — synonym of unwilling.
11. Ambiguous
b) confusing
Reason: Ambiguous means unclear or having more than one meaning —
often confusing.
12. Systematic
c) organized
Reason: Systematic means done in a planned and organized
way.
13. Meticulous
c) thorough
Reason: Meticulous means very careful and thorough in
work.
14. Spontaneous
b) sudden
Reason: Spontaneous means happening suddenly or without planning.
15. Acclaimed
b) praised
Reason: Acclaimed means publicly praised or celebrated.
16. Rectify
c) correct
Reason: Rectify means to fix or correct an error.
17. Fragile
c) weak
Reason: Fragile means easily broken or weak in structure.
18. Coherent
b) logical
Reason: Coherent means clear, logical, and well-connected in
expression.
19. Imposed
c) forced
Reason: Imposed means to apply or enforce something by authority
— synonym of forced.
20. Inevitable
b) expected
Reason: Inevitable means something that is certain to happen —
often expected.
IOE Entrance Vocabulary Practice – Set 2
1. The scientist was reluctant to accept the unverified data.
a) willing
b) eager
c) hesitant
d) excited
2. The machine has a flawless design.
a) broken
b) perfect
c) complex
d) faulty
3. The conference was postponed due to technical issues.
a) advanced
b) cancelled
c) delayed
d) continued
4. The team was optimistic about the experiment's outcome.
a) hopeful
b) doubtful
c) confused
d) neutral
5. Engineers must be precise in their calculations.
a) wrong
b) accurate
c) slow
d) careless
6. The system encountered a critical error.
a) serious
b) minor
c) expected
d) usual
7. The university issued a mandatory safety notice.
a) optional
b) voluntary
c) compulsory
d) unimportant
8. He provided a brief explanation of the theory.
a) detailed
b) short
c) complicated
d) unclear
9. The solution was both innovative and effective.
a) common
b) creative
c) basic
d) usual
10. The temperature dropped to a freezing level.
a) hot
b) warm
c) icy
d) humid
11. She gave a lucid presentation.
a) confusing
b) clear
c) long
d) boring
12. The invention had a profound impact on modern engineering.
a) small
b) deep
c) silly
d) funny
13. The prototype is fragile and must be handled with care.
a) strong
b) durable
c) weak
d) heavy
14. They used a temporary solution until the new part arrived.
a) permanent
b) quick
c) short-term
d) slow
15. The researcher made a notable discovery.
a) unimportant
b) important
c) late
d) forgotten
16. He had a vivid memory of the accident.
a) dull
b) bright
c) colorful
d) detailed
17. The results were inconsistent with the hypothesis.
a) matching
b) varying
c) stable
d) steady
18. Her theory was rejected by the academic panel.
a) accepted
b) criticized
c) dismissed
d) ignored
19. The code was executed successfully.
a) failed
b) erased
c) run
d) compiled
20. He showed great determination in completing the project.
a) laziness
b) dedication
c) confusion
d) mistake
21. The interface is user-friendly.
a) complicated
b) confusing
c) easy
d) inaccessible
22. The factory emitted toxic gases.
a) clean
b) dangerous
c) fresh
d) dry
23. The new method is efficient and time-saving.
a) slow
b) effective
c) hard
d) useless
24. He gave a genuine response to the question.
a) fake
b) real
c) wrong
d) casual
25. The explanation was too complex to understand.
a) easy
b) complicated
c) short
d) dull
26. The calculation was done with accuracy.
a) mistake
b) error
c) precision
d) doubt
27. This material is resistant to heat.
a) weak
b) unaffected
c) sensitive
d) breakable
28. The startup was an emerging company in AI.
a) failing
b) new
c) declining
d) exiting
29. The structure is durable and long-lasting.
a) temporary
b) strong
c) weak
d) fake
30. The students were alert during the experiment.
a) sleepy
b) active
c) careless
d) tired
31. The device works on a renewable energy source.
a) limited
b) reusable
c) expensive
d) artificial
32. The sensor showed a minor error.
a) major
b) serious
c) small
d) frequent
33. They used a flexible pipe for the setup.
a) rigid
b) soft
c) bendable
d) fixed
34. The data was collected manually.
a) automatically
b) slowly
c) by hand
d) digitally
35. The project was abandoned due to lack of funds.
a) continued
b) started
c) stopped
d) completed
36. He has a sound knowledge of thermodynamics.
a) weak
b) deep
c) noisy
d) unclear
37. The solution needs a permanent fix.
a) short
b) lasting
c) fragile
d) delayed
38. She took a brief break during her shift.
a) long
b) short
c) lazy
d) random
39. They are working on a confidential project.
a) public
b) secret
c) open
d) useless
40. The system has automatic updates.
a) manual
b) scheduled
c) self-running
d) planned
41. His explanation was very logical.
a) random
b) sensible
c) vague
d) false
42. The equipment is obsolete and needs to be replaced.
a) new
b) outdated
c) expensive
d) essential
43. This metal is highly conductive.
a) insulative
b) cold
c) heat-resistant
d) electricity-carrying
44. The algorithm was modified for better results.
a) deleted
b) changed
c) coded
d) copied
45. The room had a sufficient supply of light.
a) lacking
b) enough
c) bright
d) weak
46. They took preventive measures before the flood.
a) protective
b) dangerous
c) careless
d) late
47. The machine was activated remotely.
a) stopped
b) started
c) broken
d) paused
48. His writing is concise and clear.
a) long
b) wordy
c) brief
d) confusing
49. The formula needs to be verified before use.
a) questioned
b) checked
c) ignored
d) guessed
50. The professor gave a comprehensive overview of the topic.
a) narrow
b) detailed
c) confusing
d) missing
Answers
Questions:
1. Reluctant – ✅ c) hesitant
Reluctant means unwilling or hesitant to do something.
2. Flawless – ✅ b) perfect
Flawless means without any mistakes or imperfections.
3. Postponed – ✅ c) delayed
Postponed means to delay or reschedule for a later time.
4. Optimistic – ✅ a) hopeful
Optimistic means having hope or confidence about the future.
5. Precise – ✅ b) accurate
Precise means exact or accurate in details or measurement.
6. Critical – ✅ a) serious
Critical means very serious or severe, often requiring immediate
attention.
7. Mandatory – ✅ c) compulsory
Mandatory means required or must be done — same as compulsory.
8. Brief – ✅ b) short
Brief means short in time or length.
9. Innovative – ✅ b) creative
Innovative means introducing new ideas or methods — creative.
10. Freezing – ✅ c) icy
Freezing refers to extremely cold conditions — similar to icy.
11. Lucid – ✅ b) clear
Lucid means clear and easy to understand.
12. Profound – ✅ b) deep
Profound means deep in meaning, importance, or effect.
13. Fragile – ✅ c) weak
Fragile means easily broken or damaged — similar to weak.
14. Temporary – ✅ c) short-term
Temporary means lasting for a short time.
15. Notable – ✅ b) important
Notable means worthy of attention or significant.
16. Vivid – ✅ d) detailed
Vivid means clear, powerful, or detailed in the mind.
17. Inconsistent – ✅ b) varying
Inconsistent means not regular or constant — varying in nature.
18. Rejected – ✅ c) dismissed
Rejected means to refuse or dismiss something.
19. Executed – ✅ c) run
In computing, executed means to run a program or code.
20. Determination – ✅ b) dedication
Determination means firm commitment or dedication.
21. User-friendly – ✅ c) easy
User-friendly means easy to use or understand.
22. Toxic – ✅ b) dangerous
Toxic means harmful or poisonous — dangerous.
23. Efficient – ✅ b) effective
Efficient means performing well without wasting time or resources.
24. Genuine – ✅ b) real
Genuine means real, not fake or false.
25. Complex – ✅ b) complicated
Complex means not simple — difficult or complicated.
26. Accuracy – ✅ c) precision
Accuracy and precision both mean exactness or correctness.
27. Resistant – ✅ b) unaffected
Resistant means not affected or harmed by something.
28. Emerging – ✅ b) new
Emerging means coming into existence or becoming prominent.
29. Durable – ✅ b) strong
Durable means long-lasting or strong.
30. Alert – ✅ b) active
Alert means attentive and aware — active fits best here.
31. Renewable – ✅ b) reusable
Renewable means able to be used again — reusable.
32. Minor – ✅ c) small
Minor means not serious — small in size or importance.
33. Flexible – ✅ c) bendable
Flexible means able to bend without breaking.
34. Manually – ✅ c) by hand
Manually means done by hand, not by machine.
35. Abandoned – ✅ c) stopped
Abandoned means left or stopped permanently.
36. Sound – ✅ b) deep
In this context, sound knowledge means deep or thorough
knowledge.
37. Permanent – ✅ b) lasting
Permanent means not temporary — lasting.
38. Brief – ✅ b) short
Brief again means for a short time.
39. Confidential – ✅ b) secret
Confidential means private or secret.
40. Automatic – ✅ c) self-running
Automatic means something that operates by itself — self-running.
41. Logical – ✅ b) sensible
Logical means reasonable or sensible.
42. Obsolete – ✅ b) outdated
Obsolete means old or no longer in use — outdated.
43. Conductive – ✅ d) electricity-carrying
Conductive means able to carry electricity or heat.
44. Modified – ✅ b) changed
Modified means changed or adjusted.
45. Sufficient – ✅ b) enough
Sufficient means as much as is needed — enough.
46. Preventive – ✅ a) protective
Preventive means meant to stop harm — protective.
47. Activated – ✅ b) started
Activated means started or turned on.
48. Concise – ✅ c) brief
Concise means using few words — brief.
49. Verified – ✅ b) checked
Verified means confirmed or checked.
50. Comprehensive – ✅ b) detailed
Comprehensive means complete or detailed.
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