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Grade 10 LS 2025 Term 3 control test with marking guideline

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Grade 10 LS 2025 Term 3 control test with marking guideline. Questions are different scientific levels and degrees of difficulty. Sections included in the paper: Biosphere to ecosystems Biodiversity and classification History of Life on Earth

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SECTION A

QUESTION ONE

1.1 Answer the following multiple-choice questions by choosing the most
appropriate answer. Write down only the letter of your choice. Example 1.1.6
A
1.1.1 An event that allowed for the evolution of larger, more complex
organisms:

A Increase in oxygen in the atmosphere.
B Formation of volcanoes.
C Ice Age glaciations.
D Movement of tectonic plates.

1.1.2 Which of the following is an abiotic component of an ecosystem?

A Plants
B Fungi
C Soil pH
D Bacteria

1.1.3 The correct order of the hierarchical system of classification:

A Phylum → Kingdom → Class → Order → Family → Genus →
Species
B Kingdom → Phylum → Class → Order → Family → Genus →
Species
C Species → Genus → Family → Order → Class → Phylum →
Kingdom
D Kingdom → Class → Phylum → Order → Family → Species →
Genus

1.1.4 Fossil of an early amphibian shows features of both fish and reptiles.
This is an example of a:

A petrified fossil.
B trace fossil.
C living fossil.
D transitional fossil.




1
© 2025 Tutorme LS. All rights reserved.

, 1.1.5 Study of interactions between living organisms and the
environment they live in is called:

A Ecology
B Biology
C Zoology
D Genetics
(5 x 2) (10)


1.2 Give the correct biological term for each of the following descriptions. Write
only the term next to the question number (1.2.1 to 1.2.4) in your ANSWER
BOOK.

1.2.1 System of giving organisms a two-part scientific name consisting of
genus and species.

1.2.2 Organisms that are able to regulate their body temperature irrespective
of environmental temperature.

1.2.3 Supercontinent that existed about 300 million years ago.

1.2.4 Organisms that have no nucleus and no organelles
(4 x 1) (4)



1.3 Indicate whether each of the statements in COLUMN I applies to A ONLY, B
ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only, B
only, both A and B, or none next to the question number (1.3.1 to 1.3.3) in
the ANSWER BOOK

COLUMN I COLUMN II
1.3.1 Soluble substance plants are able to A Nitrates
absorb to manufacture proteins B Nitrites
1.3.2 Form of fossil dating A Relative dating
B Radiometric dating
1.3.3 Process that occurs in the carbon and A Nitrogen fixation
oxygen cycle B Photosynthesis
(3 x 2) (6)


SECTION A TOTAL: 20

2
© 2025 Tutorme LS. All rights reserved.

Información del documento

Schooljaar
200
Subido en
29 de abril de 2026
Número de páginas
10
Escrito en
2025/2026
Tipo
Examen
Contiene
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$8.50

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