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Grade 11 Life Sciences (LS) September Paper and Memo - 2024 $2.84   Add to cart

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Grade 11 Life Sciences (LS) September Paper and Memo - 2024

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Grade 11 Life Sciences September Paper and Memo: Total:  80 Marks Contents: Animal nutrition Human alimentary canal Mechanical digestion Absorption and assimilation Malnutrition, food allergies, tooth decay, alcohol and drug abuse Homeostasis Gaseous exchange Excretion This is a...

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  • July 14, 2024
  • 15
  • 2023/2024
  • Exam (elaborations)
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Life Sciences
Grade 11
Term 3
Date: September 2024
Time: 2 hours
Total: 80


QUESTIONS TYPE OF QUESTION TOPIC MARK
ALLOCATION

1.1 Multiple choice Animal nutrition 10

Human alimentary canal

Mechanical digestion

1.2 Terminology Absorption and assimilation 8




1.3 Matching columns Malnutrition, food allergies, tooth 8
decay, alcohol and drug abuse

1.4 Diagram with question Human alimentary canal 14

QUESTION 1 – 40 MARKS

2.1 Diagram with question Homeostasis 13




2.2 Investigation Gaseous exchange 16

Drawing graphs

Calculations

QUESTION 2 – 29 MARKS

3.1 Diagram with question Excretion 11




QUESTION 3 – 11 MARKS

TOTAL: 80




1|Page www.summariessa.co.za Life Sciences
Grade 11 September Paper

, SECTION A

Question 1
1.1 Different options are given as possible answers to the following questions. Choose
the correct answer and write only the letter (A to D) next to the question number
(1.1.1 to 1.1.10) on the FOLIO PAPER ex. 1.1.11 E.


1.1.1 Small digested nutrients are taken up into the bloodstream.

A. Ingestion
B. Assimilation
C. Absorption
D. Egestion


1.1.2 The muscular tube that connects the mouth cavity to the stomach.

A. Oesophagus

B. Epiglottis
C. Trachea
D. Larynx


1.1.3 The colon absorbs water from indigestible food in the alimentary canal.
A. Duodenum
B. Ileum
C. Large intestine
D. Small intestine


1.1.4 The liver secretes…

A. bile that helps to break down fat
B. saliva that contains enzymes
C. stores bile from the liver before it is secreted into the duodenum of the small intestine
D. pancreatic juice that contains enzymes




2|Page www.summariessa.co.za Life Sciences
Grade 11 September Paper

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