# Life Sciences Grade 11 KZN March Test 2024 Paper & Memo

> Grade 11 Life Sciences question paper and memo from the KZN March Test 2024, 13 pages. Read online or get the free PDF download.

- Page: https://www.hlayiso.com/library/grade-11-life-sciences-2024-kzn-march-test-question-paper-and-memorandum/e4a9bad5-e573-4598-9385-0a7faf228ff8
- Updated: 2026-09-28
- Subject: Life Sciences
- Grade: Grade 11
- Document type: Question paper and memo
- Year: 2024
- Exam period: KZN March Test
- Curriculum: CAPS
- Pages: 13

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## About this document

Life Sciences · Grade 11 · KZN March Test · 2024. Question paper and memorandum, 13 pages. Read online or download the PDF.

Read it free online on the page above; download the PDF from there.

## Document text

Text extracted from the PDF. Layout, diagrams and tables may not survive extraction.

### Page 1

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KWAZULU-NATAL PROVINCE

EDUCATION
REPUBLIC OF SOUTH AFRICA

NATIONAL
SENIOR CERTIFICATE

GRADE 11

MARKS: 50

TIME: 1 hour

This question paper consists of 9 pages.

Copyright Reserved Please Turn Over

### Page 2

Life Sciences March 2024 Common Test

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INSTRUCTIONS AND INFORMATION

Read the following instructions carefully before answering the questions.

1. Answer ALL the questions.

2. Write ALL the answers in the ANSWER BOOK.

3. Start the answers to each question at the top of a NEW page.

4. Number the answers correctly according to the numbering system used in this

question paper.

5. Present your answers according to the instructions of each question.

6. Do ALL drawings in pencil and label them in blue or black ink.

7. Draw diagrams, tables or flow charts only when asked to do so.

8. The diagrams in this question paper are NOT necessarily drawn to scale.
9. Do NOT use graph paper.

10. You may use a non-programmable calculator, protractor and a compass.
11. Write neatly and legibly.

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Life Sciences

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March 2024 Common Test

SECTION A
QUESTION 1

1.1. Various options are provided as possible answers to the following questions.
Choose the answer and write only the letter (A to D) next to the question
number (1.1.1 to 1.1.3) in the ANSWER BOOK, for example 1.1.4 D.

1.1.1 The pistil consists of the ...

stigma, style and ovary.
stigma, petal and ovary.
style, petal and stamen.
stigma, style and petal.

0QOWDD>Y

1.1.2 Antibodies are proteins that ...

break down pathogens.

catalyse reactions.

bind with specific antigens.

are produced by T-cells that kill disease-causing viruses.

0QOWD>Y

1.1.3 The following is a list of statements about sexual reproduction in plants.

(i) It generates variation in unstable environments

(ii) Seeds facilitate dispersal of offspring to more distant locations

(iil) | Seed dormancy allows growth to be suspended until harsh
conditions are reversed

(iv) | Offspring can be produced rapidly

Which ONE of the following is a combination of advantages of sexual
reproduction in plants?

A (i), (ii), (iii) and (iv)

B (i) and (iv)
Cc (ii), (iii) and (iv)
D (i), (ii) and (iii) (3 x 2) (6)

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Life Sciences

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March 2024 Common Test

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 the
ANSWER BOOK.

1.2.1 The concentration of sense organs at the anterior end of an animal
leading to the formation of a head region.

1.2.2 Dominant generation in the life cycle of ferns.

1.2.3 Whip-like structures which are used for movement in bacteria. (3 x 1) (3)

1.3. Indicate whether each of the descriptions in COLUMN | 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 1.3.5) in the ANSWER BOOK.

COLUMN | COLUMN II
1.3.1 Animals that have a true body cavity | A: Acoelomate
B: Coelomate
1.3.2 Characteristic of moss plants A: Thallus
B: Hyphae

(2 x 2) (4)

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### Page 5

March 2024 Common Test

“eS°#36ivnioaded from Stanmagephysigs.com

1.4 The diagrams below represent the body plans of different phyla.

1.4.1 Identify part:

(a) A ()
(b) B (1)
() Cc ()
1.4.2 Name TWO phyla that are represented by the body plan Y. (2)

1.4.3 Give the LETTER of the diagram (X or Y) that represents:

(a) A diploblastic (1)
(b) | An acoelomate (1)
(7)
[20]

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Life Sciences March 2024 Common Test

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SECTION B
QUESTION 2

2.1 The diagram below represents the development of groups of plants over a period.

o no
4 ® 2 a fa
£ Ss a Q a
Q £ [o) fe) QD
S 2 z E Q
£ fa ao) > 2
0 o) ao a (0) <
=> Cenozoic}
= 1007 2
2 Q A
g 2007 =
Fag
& 300 4
c
2
= 404 2 c
g D
3
500] «
& E
600 +
Algae
2.1.1 Name the kingdom to which the algae belongs. (1)
2.1.2 Name TWO plant divisions that were the first to exist in the Palaeozoic
era. (2)
2.1.3 State how long ago did the seed plants arise on earth? (2)

2.1.4 Name ONE characteristic that is shared by Gymnosperms and
Angiosperms that makes them closely related. (1)

2.1.5 Name the LETTER that represents?

(a) Vascular tissue (1)
(b) Seeds (1)
2.1.6 Name the group that is considered to be the ancestor of all land plants
from the diagram above? (1)
(9)

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Life Sciences

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March 2024 Common Test

2.2 Read-the passage below.

Tuberculosis is the leading cause of death

Tuberculosis (TB) is caused by the bacterium Mycobacterium tuberculosis,
which mostly affects the lungs and other organs in the human body. Bacteria
are prokaryotic organisms. They survive more in people with a weakened
immune system such as people living with the HI virus. TB is South Africa’s
leading cause of death.

HIV infection is a key factor in the TB epidemic. HIV sufferers have a higher
risk of contracting TB and a greater chance of dying as they have a weaker
immune system.

2.2.1 Name the bacterium that causes TB. (1)
2.2.2 State ONE reason why bacteria are considered prokaryotic? (1)
2.2.3 State whether virus is cellular or acellular. (1)
2.2.4 Give areason for your answer in QUESTION 2.2.3. (1)

2.2.5 Explain why HIV patients have a higher risk of contracting TB and dying. (2)
(6)
[15]

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Life Sciences March 2024 Common Test

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QUESTION 3

3.1. Scientists conducted an investigation to determine the effect of different
treatments on the amount of fungi that grows on bread.

The procedure was as follows:

Five slices of bread were used and treated in different ways.

Slice 1: was left dry

Slice 2: added 20 mf tap water

Slice 3: added 20 mf lemon juice

Slice 4: added 20 mf sugar water

Slice 5: added 20 mf bleach

Each slice was placed in a zip-lock bag and kept in a cupboard for one

week.

e After one week the slices were removed from the zip-lock bags and
were observed the growth of the fungi.

e The percentage area covered by fungi in slices was calculated.

The results are shown in the table below.

AREA COVERED BY FUNGI (%)
0
25
30
80
10

TREATMENT ON.BREAD

3.1.1 Name the independent variable of the investigation. (1)

3.1.2. Give ONE reason why the zip-lock bags were placed in a dark
cupboard for one week? (1)

3.1.3 Explain why the dry bread was included in the experiment. (2)

3.1.4 State ONE way that the scientists can improve the reliability of the
investigation. (1)

3.1.5 Explain why fungi grows best on bread sprinkled with sugar water. (2)

3.1.6 Give TWO ways in which the scientists ensured the validity of the
results of this investigation. (2)

(9)

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March 2024 Common Test

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3.2 | The-diagrams below show organisms that belong to two different phyla.

3.2.1 Name the kingdom to which both organisms belong. (1)
3.2.2 State the phyla to which organism A belongs. (1)
3.2.3 Give the type of symmetry of organism B? (1)
3.2.4 Describe the role of organism B as a decomposer. (1)

3.2.5 Identify the type of gut in the following two organisms:

(a) A

(b) B (2)
(6)
[15]

TOTAL SECTION B: 30

GRAND TOTAL: 50

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### Page 10

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KWAZULU-NATAL PROVINCE

EDUCATION

REPUBLIC OF SOUTH AFRICA

NATIONAL
SENIOR CERTIFICATE

GRADE 11

MARKS: 50

Copyright Reserved

This marking guideline consists of 4 pages.

Please Turn Over

### Page 11

Life Sciences

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SECTION A
QUESTION 1

11
1.1.1 AVY

1.1.2 Cvv
1.1.3 DVY

1.2
1.2.1 Cephalisation’

1.2.2 Sporophytev
1.2.3 Flagella/flagellumv

1.3
1.3.1 B only¥v

1.3.2 A only¥v

1.4
1.4.1 (a) ectoderm v

(b) gut v

(c) | coelom ¥
1.4.2 - Annelida v

- Arthropoda v

- Chordata v

(mark first TWO only)
1.4.3 (a) Xv

(b) xv

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March 2024 Common Test

(3 x 2) (6)

(1x 3) (3)

(2 x 2) (4)

(1)
(1)
(1)

(2)
(1)

(1)
(7)

TOTAL SECTION A: [20]

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Life Sci

ICES

March 2024 Common Test

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SECTION B
QUESTION 2
2.1.
2.1.1 Protista Vv (1)
2.1.2 = Charophytes v
- Bryophytes v
(mark first TWO only) (2)
2.1.3 350 Vv
MYAY (2)
2.1.4 Presence of seeds Vv (1)
2.1.5 (a) Dv (1)
(bo) Cv (1)
2.1.6 Algae v (1)
(9)
2:2
2.2.1 Mycobacterium ¥ (1)
2.2.2 - Lack of nucleus ¥
- Does not have membrane bound organelles v
(mark first ONE only) (1)
2.2.3 Acellular ¥ (1)
2.2.4 - non-livingY
- lack of cellular structures ¥
- lack of most organelles found in a cell ¥ Any (1)
2.2.5 HIV lowers the body’s immunity” / white blood cell count therefore it
cannot defend the body against TB ¥ (2)
(6)
[15]

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### Page 13

Life Sciences March 2024 Common Test

ownloaded from Stanmoraphysias.com

QUESTION 3.

3.
3.1.1 Treatment v on bread (1)

3.1.2. Fungi grow best in dark and warm placesY
(mark first ONE only) (1)

3.1.3 - Act asa control v
- To compare results between treated and not treated bread. v (2)

3.1.4 - Increase sample size Vv
- Repeat investigation v
(mark first ONE only) (1)

3.1.5 - Sugar provides energy/food v
- For fungi therefore more food will allow fungi to grow faster ¥ (2)

3.1.6 - placed bread in zip |

- all slices left for oneW z
- slices of bread of the
- same amount/quantity (200m

of treatmentY

(mark first TWO only) (2)
(9)
3.2

3.2.1 Animalia ¥ (1)

3.2.2 Cnidaria ¥ (1)

3.2.3 Bilateral ¥ (1)

3.2.4 They decompose/ break down dead organic material v (1)

3.2.5 Cnidaria - blind gut V (1)
Annelids- through gut “ (1)

(6)

TOTAL QUESTION 3: [15]

GRAND TOTAL: 50

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