Exam (elaborations)
LIFE SCIENCES P2 GR11 QP NOV 2023_English D
- Course
- Life Sciences P2
- Institution
- Life Sciences P2
LIFE SCIENCES P2 GR11 QP NOV 2023_English D
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NATIONALSENIOR CERTIFICATE
GRADE 11
NOVEMBER 2023
LIFE SCIENCES P2
MARKS: 150
TIME: 2½ hours
This question paper consists of 15
pages.
,2 LIFE SCIENCES P2 (EC/NOVEMBER 2023)
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 provided.
3. Start EACH question on 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, where necessary.
11. Round off all calculations to two decimal spaces.
12. Write neatly and legibly.
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, (EC/NOVEMBER 2023) LIFE SCIENCES P2 3
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–D) next to
the question numbers (1.1.1 to 1.1.9) in the ANSWER BOOK, for
example 1.1.10 D.
1.1.1 Vaccines work because …
A they contain antibodies that destroy disease causing organisms.
B they destroy disease causing organisms by dissolving
their cell membranes.
C they trigger the body to produce antibodies to protect
the body against disease causing organisms.
D it contains drugs that destroy disease causing organisms.
1.1.2 Which of the following phyla is diploblastic?
A Porifera
B Chordata
C Annelida
D Cnideria
1.1.3 Which characteristic best describes the organisms in the diagram
below?
A Triploblastic
B Radially
symmetrical C
Shows cephalization D
Has a notochord
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