Grade 11 Life Sciences (LS) September Paper and Memo - 2024
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Course
Life Sciences
Institution
11th Grade
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...
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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