Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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2730 questions · page 118 of 137 · choose a topic above to narrow them down

SA-MOM2-0033 marksL2 StandardNon-calculatorTilting

A uniform plank of length

6

m and mass

30

kg rests on supports

1

m from each end. Find the largest mass that can be placed at one end without the plank tilting.

Salam Academy Original Practice · Proposed mark scheme

SA-MOM2-0042 marksL2 StandardNon-calculatorTilting

A uniform rod of length

2

m and mass

4

kg rests on a pivot

0.5

m from end

A

. Find the mass that must hang at

A

to keep it horizontal.

Salam Academy Original Practice · Proposed mark scheme

SA-MOM2-0073 marksL2 StandardNon-calculatorTilting

A uniform

5

m plank

AB

of mass

20

kg rests on supports at

A

and

C

, where

AC=3

m. A

25

kg child walks from

C

towards

B

. How far beyond

C

can the child go before the plank tilts?

Salam Academy Original Practice · Proposed mark scheme

SA-OB-AT-0021 markL2 StandardCalculatorActive transport

Root hair cells absorb mineral ions by

Salam Academy Original Practice · Proposed mark scheme

SA-OB-AT-0031 markL2 StandardCalculatorActive transport

Cells carrying out a lot of active transport contain many

Salam Academy Original Practice · Proposed mark scheme

SA-OB-AT-0042 marksL2 StandardCalculatorSA:V ratio

Calculate the surface area to volume ratio of a cube of side

3

cm. Give the first number of the ratio

x:1

Salam Academy Original Practice · Proposed mark scheme

SA-OB-AT-0052 marksL2 StandardCalculatorSA:V ratio

Calculate the SA:V ratio of a cube of side

1

cm, as

x:1

. Give

x

Salam Academy Original Practice · Proposed mark scheme

SA-OB-BL-0031 markL2 StandardCalculatorBlood vessels

Arteries have thick, elastic walls because

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SA-OB-BL-0051 markL2 StandardCalculatorBlood components

Lymphocytes

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SA-OB-BM-0041 markL2 StandardCalculatorFood tests

Which food test requires heating?

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SA-OB-BM-0051 markL2 StandardCalculatorMolecules

Which element is found in proteins but not in carbohydrates?

Salam Academy Original Practice · Proposed mark scheme

SA-OB-BT-0031 markL2 StandardCalculatorUses of microbes

Pectinase is used in fruit juice production to

Salam Academy Original Practice · Proposed mark scheme

SA-OB-BT-0041 markL2 StandardCalculatorUses of microbes

Lactase is used to make

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SA-OB-BT-0051 markL2 StandardCalculatorUses of microbes

Microorganisms are useful in biotechnology mainly because they

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SA-OB-CE-0041 markL2 StandardCalculatorCell parts

Proteins are made on the

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SA-OB-CL-0041 markL2 StandardCalculatorKeys and groups

An arthropod with 8 legs and 2 body parts is

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SA-OB-CL-0051 markL2 StandardCalculatorBinomial naming

A species is best defined as organisms that

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SA-OB-CY-0031 markL2 StandardCalculatorNitrogen cycle

Nitrogen-fixing bacteria convert

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SA-OB-CY-0041 markL2 StandardCalculatorNitrogen cycle

Nitrifying bacteria convert

Salam Academy Original Practice · Proposed mark scheme

SA-OB-CY-0051 markL2 StandardCalculatorNitrogen cycle

Nitrogen-fixing bacteria are found in the root nodules of

Salam Academy Original Practice · Proposed mark scheme