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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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

17407AI questions in bank

703awaiting review

JSS1 / Cultural and Creative Artsnext batch (1 of 83 class/subject pairs in your bank)

2026-10-14 07:52:09 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

16465approved and live

586held 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 586.

#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.

#57186 · SS2 Further MathematicsWhat is the locus of points equidistant from the points (0,0) and (4,0)?

A) x = 2
B) y = 0
C) x + y = 2
D) x² + y² = 4

Stored answer A · checker said X · The locus of points equidistant from (0,0) and (4,0) is a vertical line x = 2, not a point or a curve.

#57180 · SS2 Further MathematicsIf s(t) = 3t² + 2t, what is the rate of change at t = 2?

A) 14
B) 18
C) 12
D) 8

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

#57099 · SS2 CRSWhich movement sought to reform the Catholic Church from within?

A) Counter-Reformation
B) Protestant Reformation
C) Evangelical movement
D) Charismatic movement

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

#56940 · SS2 Agricultural ScienceWhat is the primary source of power for modern farming?

A) Human labor
B) Animal power
C) Electricity
D) Fossil fuels

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

#56935 · SS2 Agricultural ScienceWhat is the ideal temperature range for poultry housing?

A) 15-20°C
B) 20-25°C
C) 25-30°C
D) 30-35°C

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

#56931 · SS2 Agricultural ScienceWhat is the recommended spacing for maize planting?

A) 30 cm apart
B) 75 cm apart
C) 50 cm apart
D) 100 cm apart

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

#56918 · SS1 Technical DrawingWhat should you do before using a compass?

A) Sharpen it
B) Clean it
C) Adjust it
D) Oil it

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

#56904 · SS1 Technical DrawingWhat is the standard thickness of borderlines in technical drawing?

A) 0.25 mm
B) 0.5 mm
C) 1 mm
D) 1.5 mm

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

#56900 · SS1 Technical DrawingIf one angle of a triangle is 40° and another is 70°, what is the third angle?

A) 50°
B) 60°
C) 70°
D) 80°

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

#56880 · SS1 PhysicsAn object travels 150 m in 5 seconds. What is its average velocity?

A) 30 m/s
B) 25 m/s
C) 20 m/s
D) 35 m/s

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

#56879 · SS1 PhysicsIf an object moves from 0 m/s to 10 m/s in 5 seconds, what is its acceleration?

A) 2 m/s²
B) 5 m/s²
C) 3 m/s²
D) 4 m/s²

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

#56872 · SS1 PhysicsA pendulum swings from a height of 2 m. What is its potential energy at the highest point? (Use g = 9.8 m/s²)

A) 19.6 J
B) 39.2 J
C) 9.8 J
D) 0 J

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

#56843 · SS1 PhysicsIf two objects attract each other with a force of 20 N, what happens if the distance between them is doubled?

A) Force becomes 10 N
B) Force becomes 40 N
C) Force becomes 5 N
D) Force remains 20 N

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

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

56no diagram needed / can't be drawn

1failed (retried up to 3×)

Recent runs

Started	Trigger	Status	Class / subject	Qs	Details
2026-10-14 07:55:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:51:37 UTC	timer	success	JSS1 / CRS	24	24 approved and live, 0 held for review. 7 duplicate(s) of existing questions skipped.
2026-10-14 07:50:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:45:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:40:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:35:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:29:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:24:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:21:37 UTC	timer	success	JSS1 / Computer Science	14	14 approved and live, 0 held for review. 15 duplicate(s) of existing questions skipped.
2026-10-14 07:18:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:13:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:08:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 07:03:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:58:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:53:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:51:37 UTC	timer	success	JSS1 / Civic Education	17	17 approved and live, 0 held for review. 16 duplicate(s) of existing questions skipped.
2026-10-14 06:48:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:43:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:38:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:33:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:28:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:22:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:21:37 UTC	timer	success	JSS1 / Business Studies	14	14 approved and live, 0 held for review. 16 duplicate(s) of existing questions skipped.
2026-10-14 06:17:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-14 06:12:37 UTC	backfill	skipped			No old questions left that need a diagram.