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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

20159AI questions in bank

798awaiting review

SS2 / Biologynext batch (1 of 83 class/subject pairs in your bank)

2026-10-17 01:54:12 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

19122approved and live

681held 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 681.

#62222 · SS1 Technical DrawingWhat geometric shape is formed by the locus of points equidistant from a fixed line?

A) Circle
B) Parabola
C) Hyperbola
D) Straight line

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

#62217 · SS1 Technical DrawingWhat is the scale of a drawing that represents 1 cm as 5 m in reality?

A) 1:1
B) 1:5
C) 1:50
D) 1:500

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

#62216 · SS1 Technical DrawingWhat is the angle between the horizontal plane and the line of sight in perspective drawing?

A) 45°
B) 30°
C) 60°
D) 90°

Stored answer A · checker said X · The angle can vary depending on the perspective drawing technique used.

#62188 · SS1 PhysicsA 3 kg object moving at 4 m/s collides with a stationary 2 kg object. What is their combined velocity after an elastic collision?

A) 2 m/s
B) 1 m/s
C) 3 m/s
D) 0.5 m/s

Stored answer A · checker said X · The question does not provide enough information to determine the final velocities after the elastic collision.

#62177 · SS1 PhysicsIf the coefficient of static friction is 0.4, what is the maximum static friction force on a 50 kg object?

A) 200 N
B) 400 N
C) 50 N
D) 100 N

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

#62160 · SS1 MathematicsIf y varies directly as x, and y = 10 when x = 2, find y when x = 5.

A) 25
B) 20
C) 15
D) 10

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

#62154 · SS1 MathematicsWhat is the 5th term of the sequence 2, 4, 6, ...?

A) 10
B) 12
C) 14
D) 16

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

#62153 · SS1 MathematicsWhat are the roots of the equation 2x² - 8x + 6 = 0?

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

Stored answer A · checker said X · The roots need to be calculated; the options do not match the correct roots.

#62144 · SS1 MathematicsWhat is the bearing from point A to B if A is at 045° and B is at 135°?

A) 90°
B) 180°
C) 135°
D) 225°

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

#62084 · SS1 LiteratureWhich author is known for their use of symbolism in literature?

A) Chinua Achebe
B) Wole Soyinka
C) James Joyce
D) George Orwell

Stored answer C · checker said X · More than one option is correct as all listed authors use symbolism.

#62082 · SS1 LiteratureWhich of the following is an example of a couplet?

A) Roses are red, violets are blue.
B) To be or not to be, that is the question.
C) I wandered lonely as a cloud.
D) The road goes ever on and on.

Stored answer A · checker said X · None of the options provided is a couplet.

#62014 · SS1 GeographyIf a map scale is 1:50,000, how many centimeters on the map represent 1 kilometer in reality?

A) 1 cm
B) 2 cm
C) 5 cm
D) 10 cm

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

#61964 · SS1 Further MathematicsWhat is the value of x in the equations 2x + 3y = 12 and x - y = 1?

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

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

#61954 · SS1 Further MathematicsIf f(x) = 3x - 5, what is f(2)?

A) 1
B) 3
C) 6
D) 9

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

#61953 · SS1 Further MathematicsWhat is the slope of the line passing through (1, 2) and (4, 6)?

A) 1
B) 2
C) 4
D) 0.5

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

#61948 · SS1 Further MathematicsWhich expression simplifies to 3x + 7?

A) (3x + 2) + 5
B) 3(x + 2) - 1
C) 7 + 2x + x
D) (3x - 1) + 8

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

#61921 · SS1 English LanguageSelect the correct form: Neither the teacher nor the students ____ ready for the exam.

A) is
B) are
C) was
D) have

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

#61742 · SS1 Civic EducationHow many times has the Nigerian Constitution been amended?

A) 2 times
B) 4 times
C) 6 times
D) 8 times

Stored answer C · checker said X · The number of amendments to the Nigerian Constitution is subject to interpretation and may vary based on the context.

#61552 · JSS3 MathematicsIf two angles are supplementary and one angle is 110°, what is the other angle?

A) 70°
B) 90°
C) 80°
D) 100°

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

#61551 · JSS3 MathematicsWhat is 2/3 ÷ 4/5?

A) 5/6
B) 3/8
C) 10/12
D) 8/15

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

#61548 · JSS3 MathematicsWhat is the locus of points equidistant from point A and line BC?

A) A circle
B) A straight line
C) A square
D) A triangle

Stored answer B · checker said X · The locus of points equidistant from a point and a line is a straight line, not a circle.

#61540 · JSS3 MathematicsIn a triangle, if one angle is 50° and another is 70°, what is the third angle?

A) 60°
B) 70°
C) 80°
D) 90°

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

#61524 · JSS3 Home EconomicsWhat type of fastener is a button?

A) Temporary
B) Permanent
C) Adjustable
D) Flexible

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

#61479 · JSS3 English LanguageChange to passive voice: 'The dog chased the cat.'

A) The cat is chased by the dog.
B) The dog is chased by the cat.
C) The cat was chased by the dog.
D) The dog was chasing the cat.

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

#61350 · JSS3 Basic TechnologyWhat type of joint is used to connect two pieces of wood at a right angle?

A) Dovetail joint
B) Butt joint
C) Lap joint
D) Mortise and tenon

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

#61298 · JSS3 Basic ScienceWhat is the relationship between electricity and magnetism?

A) They are unrelated
B) Electricity can create magnetism
C) Magnetism can create electricity
D) Both A and C

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

#61259 · JSS3 Agricultural ScienceWhich climatic factor is most critical for crop growth?

A) Humidity
B) Temperature
C) Wind speed
D) Precipitation

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

#61205 · JSS2 Physical and Health EducationWhat is the recommended duration for daily physical activity?

A) 10 minutes
B) 30 minutes
C) 60 minutes
D) 90 minutes

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

#61185 · JSS2 MathematicsMultiply 1.5 by 4. What is the product?

A) 4.5
B) 5.0
C) 6.0
D) 7.5

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

#61169 · JSS2 MathematicsIn an isosceles triangle, if the angles are 40°, what is the other angle?

A) 70°
B) 80°
C) 100°
D) 120°

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

Diagrams on new questions

**#59973 · SS2 Mathematics**A ladder leans against a wall making a 60° angle with the ground. If the ladder is 10 m long, what is the height it reaches?

**#59524 · SS1 Technical Drawing**Construct an angle of 120° using a protractor. What is the first step?

**#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?

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
2026-10-17 02:16:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 02:10:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 02:04:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:59:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:54:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:53:37 UTC	timer	success	SS2 / Agricultural Science	18	18 approved and live, 0 held for review. 16 duplicate(s) of existing questions skipped.
2026-10-17 01:49:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:44:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:38:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:33:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:28:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:23:37 UTC	timer	success	SS1 / Technical Drawing	24	21 approved and live, 3 held for review. 3 duplicate(s) of existing questions skipped.
2026-10-17 01:22:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 01:17:37 UTC	backfill	skipped			No old questions left that need a diagram.
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2026-10-17 01:06:37 UTC	backfill	skipped			No old questions left that need a diagram.
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2026-10-17 00:55:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 00:53:37 UTC	timer	success	SS1 / Physics	21	19 approved and live, 2 held for review. 9 duplicate(s) of existing questions skipped.
2026-10-17 00:49:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 00:43:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 00:38:37 UTC	backfill	skipped			No old questions left that need a diagram.
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2026-10-17 00:27:37 UTC	backfill	skipped			No old questions left that need a diagram.
2026-10-17 00:23:37 UTC	timer	success	SS1 / Mathematics	27	23 approved and live, 4 held for review. 9 duplicate(s) of existing questions skipped.