Teechaa Worker

Background AI question generation and question diagrams. A second AI answers every new question on its own; when it agrees with the stored answer the question goes live, otherwise it waits here for you.

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Set (model gpt-4o-mini)
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Every 30 min, 50 questions per batch
Question diagrams
Up to 6 per batch, drawn by gpt-4o-mini, answer-checked by gpt-4o-mini, served from https://questions.teechaa.com/question_images

New questions

18090AI questions in bank

716awaiting review

SS1 / Chemistrynext batch (1 of 83 class/subject pairs in your bank)

2026-10-15 00:23:10 UTClast successful batch

AI questions for subjects a class doesn't take: from before generation was limited to the subjects in your question bank. They also make those subjects appear in the app's subject pickers for that class.

JSS1 Physics (30 draft) · JSS1 Chemistry (30 draft)

Going live

17135approved and live

599held for you to decide

0older drafts still to check (60 per run)

0deleted by you

Held questions: the checker didn't reach the stored answer, or found a problem. Green = stored answer, underlined = checker's pick. Approve if the stored answer is right, otherwise delete. Showing the latest 30 of 599.

#58948 · JSS3 Physical and Health EducationWhat is the legal throwing distance for a javelin to be valid?

A) More than 50 meters
B) More than 60 meters
C) More than 70 meters
D) More than 80 meters

Stored answer A · checker said X · The valid throwing distance can vary by competition and is not specified in the question.

#58943 · JSS3 Physical and Health EducationWhich organization certifies personal trainers in Nigeria?

A) Nigerian Sports Commission
B) National Academy of Sports Medicine
C) Fitness Professionals Association
D) Nigerian Health and Fitness Association

Stored answer B · checker said X · More than one option could be correct as multiple organizations may certify personal trainers.

#58911 · JSS3 MathematicsWhat is the result of -7 + 4 - (-3)?

A) 0
B) -2
C) -6
D) -4

Stored answer D · checker said B · Checker chose B, stored answer is D.

#58715 · JSS3 Basic TechnologyWhat is the angle of the axes in an isometric drawing?

A) 30°
B) 45°
C) 60°
D) 90°

Stored answer A · checker said C · Checker chose C, stored answer is A.

#58623 · JSS3 Agricultural ScienceWhich type of housing is best for poultry?

A) Open field
B) Cages
C) Barns
D) Silos

Stored answer B · checker said C · Checker chose C, stored answer is B.

#58588 · JSS2 Social StudiesWhich of the following influences cultural identity?

A) Geography
B) Weather
C) Technology
D) None of the above

Stored answer A · checker said X · Option D is ambiguous as it suggests none of the options influence cultural identity, which is incorrect.

#58513 · JSS2 MathematicsIf one angle is 50° and another is 60°, what is the third angle?

A) 70°
B) 80°
C) 90°
D) 100°

Stored answer A · checker said B · Checker chose B, stored answer is A.

#58431 · JSS2 CRSWhat is the primary act of worship in Christianity?

A) Prayer
B) Fasting
C) Baptism
D) Communion

Stored answer A · checker said D · Checker chose D, stored answer is A.

#58195 · JSS1 Security EducationWhich number should you call for police assistance?

A) 111
B) 070
C) 080
D) 100

Stored answer D · checker said C · Checker chose C, stored answer is D.

#58146 · JSS1 MathematicsWhat is 12 × 3?

A) 36
B) 30
C) 24
D) 20

Stored answer C · checker said A · Checker chose A, stored answer is C.

#58129 · JSS1 MathematicsEstimate the sum of 34 and 29 by rounding to the nearest ten.

A) 50
B) 60
C) 70
D) 80

Stored answer B · checker said C · Checker chose C, stored answer is B.

#58114 · JSS1 Home EconomicsWhich acid is often used in cleaning agents?

A) Acetic acid
B) Citric acid
C) Sulfuric acid
D) Lactic acid

Stored answer A · checker said B · Checker chose B, stored answer is A.

#58110 · JSS1 Home EconomicsWhat is the recommended serving size for fruits?

A) 1 cup
B) 2 cups
C) 3 cups
D) 4 cups

Stored answer A · checker said B · Checker chose B, stored answer is A.

#57870 · JSS1 Basic TechnologyWhich simple machine is used in a wheelbarrow?

A) Lever
B) Pulley
C) Inclined plane
D) Wheel and axle

Stored answer D · checker said A · Checker chose A, stored answer is D.

#57749 · SS3 MathematicsCalculate the present value of ₦2000 due in 3 years at an interest rate of 6%.

A) ₦1500
B) ₦1680
C) ₦1770
D) ₦1800

Stored answer C · checker said A · Checker chose A, stored answer is C.

#57704 · SS3 GovernmentWhat is one effect of globalization on national sovereignty?

A) Increased isolation
B) Enhanced international cooperation
C) Reduced foreign influence
D) Stronger national borders

Stored answer B · checker said X · The question is ambiguous as it can be interpreted in multiple ways.

#57691 · SS3 GovernmentWhich government was in power during Nigeria's first military coup?

A) Obasanjo's government
B) Nkrumah's government
C) Ironsi's government
D) Buhari's government

Stored answer C · checker said X · The question is ambiguous as it does not specify the context of the military coup.

#57643 · SS3 Further MathematicsWhat is the variance of a binomial distribution with n = 10 and p = 0.5?

A) 2.5
B) 5
C) 10
D) 1

Stored answer A · checker said B · Checker chose B, stored answer is A.

#57632 · SS3 Further MathematicsIf an object travels at a speed of 20 m/s for 5 seconds, what distance does it cover?

A) 100 m
B) 50 m
C) 200 m
D) 150 m

Stored answer A · checker said C · Checker chose C, stored answer is A.

#57624 · SS3 Further MathematicsA sphere has a diameter of 10. What is its volume?

A) ⁴⁄₃π(125)
B) ⁴⁄₃π(100)
C) ⁴⁄₃π(50)
D) ⁴⁄₃π(75)

Stored answer A · checker said B · Checker chose B, stored answer is A.

#57623 · SS3 Further MathematicsWhat is the volume of a sphere with radius 2?

A) ⁴⁄₃π(8)
B) π(4)
C) ⁴⁄₃π(4)
D) ²⁄₃π(8)

Stored answer A · checker said C · Checker chose C, stored answer is A.

#57595 · SS3 English LanguageConvert to direct speech: 'He told me he would come.'

A) He said, 'I will come.'
B) He said, 'He would come.'
C) He said, 'I would come.'
D) He said, 'I come.'

Stored answer A · checker said X · The direct speech form is ambiguous as it does not specify the exact words he used.

#57567 · SS3 EconomicsWhich factor is NOT considered in demographic transition theory?

A) Birth rates
B) Death rates
C) Migration
D) Economic growth

Stored answer D · checker said C · Checker chose C, stored answer is D.

#57445 · SS3 ChemistryWhich of the following compounds is an alkyne?

A) C₂H₄
B) C₃H₆
C) C₄H₈
D) C₅H₁₀

Stored answer B · checker said X · The options provided do not include a correct alkyne; the simplest alkyne is C₂H₂ (ethyne).

#57417 · SS3 BiologyWhat is a common pollutant in urban areas?

A) Carbon dioxide
B) Ozone
C) Plastic waste
D) Sewage

Stored answer C · checker said B · Checker chose B, stored answer is C.

#57327 · SS2 MathematicsWhat is the mode of the data set {1, 1, 2, 3, 4, 4}?

A) 1
B) 2
C) 3
D) 4

Stored answer D · checker said A · Checker chose A, stored answer is D.

#57318 · SS2 MathematicsIf g(x) = x² + 2, what is g(-1)?

A) 1
B) 0
C) -1
D) 3

Stored answer A · checker said D · Checker chose D, stored answer is A.

#57306 · SS2 MathematicsSimplify the expression (2² × 2³) ÷ 2⁴.

A) 2²
B) 2⁰
C) 2¹
D) 2⁵

Stored answer A · checker said B · Checker chose B, stored answer is A.

#57256 · SS2 GovernmentHow can public opinion influence policy?

A) By ignoring it
B) Through peaceful protests
C) By funding campaigns
D) By voting in elections

Stored answer D · checker said B · Checker chose B, stored answer is D.

#57219 · SS2 GeographyWhich geographic feature significantly influences Nigeria's climate?

A) The Sahara Desert
B) The Atlantic Ocean
C) The Niger River
D) The Jos Plateau

Stored answer A · checker said B · Checker chose B, stored answer is A.

Diagrams on new questions

**#57328 · SS2 Mathematics**A tree casts a shadow of 10 m when the angle of elevation is 30°. How tall is the tree?

**#57312 · SS2 Mathematics**A ladder 10 m long leans against a wall, forming a 60° angle with the ground. How high does it reach?

**#55423 · JSS1 Mathematics**If a bar chart shows 4 bars with heights 3, 5, 2, and 6, what is the average height?

**#54142 · SS1 Technical Drawing**Construct an angle of 135° using a compass and straightedge. What is the first step?

**#53086 · JSS2 Mathematics**If a point is 5 cm from point A, what shape does the locus form?

**#50846 · JSS3 Mathematics**What is the locus of points equidistant from two points A and B?

**#50464 · JSS2 Mathematics**What is the locus of points equidistant from point A and point B?

**#50463 · JSS2 Mathematics**In a line graph, if the points (1,2) and (2,4) are connected, what is the slope?

**#50462 · JSS2 Mathematics**If a bar graph shows 5 apples and 3 oranges, how many fruits are there in total?

**#49706 · SS3 Physics**What is the principle behind a transformer?

**#49705 · SS3 Physics**What happens to light when it passes through a prism?

**#49113 · SS2 Further Mathematics**The locus of points equidistant from A(2, 3) and B(4, 5) is?

Diagrams for old questions

0diagrams added

0still to look at

57no diagram needed / can't be drawn

1failed (retried up to 3×)

Recent runs

Started	Trigger	Status	Class / subject	Qs	Details
2026-10-15 00:40:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-15 00:34:37 UTC	backfill	skipped			No old questions left that need a diagram.
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2026-10-15 00:22:37 UTC	timer	success	SS1 / Biology	21	21 approved and live, 0 held for review. 11 duplicate(s) of existing questions skipped.
2026-10-15 00:19:37 UTC	backfill	skipped			No old questions left that need a diagram.
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2026-10-14 23:57:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 23:52:37 UTC	timer	success	SS1 / Agricultural Science	25	25 approved and live, 0 held for review. 8 duplicate(s) of existing questions skipped.
2026-10-14 23:51:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 23:46:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 23:40:37 UTC	backfill	skipped			No old questions left that need a diagram.
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2026-10-14 23:25:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 23:22:36 UTC	timer	success	JSS3 / Social Studies	22	22 approved and live, 0 held for review. 12 duplicate(s) of existing questions skipped.
2026-10-14 23:19:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 23:13:38 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 23:08:38 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 23:02:38 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 22:57:38 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 22:52:09 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 22:51:38 UTC	timer	success	JSS3 / Physical and Health Education	23	21 approved and live, 2 held for review. 10 duplicate(s) of existing questions skipped.