Grade 12 Life Sciences (LS) September Paper 1 and Memo – 2024

GR 12 LIFE SCIENCES – TERM 3 TEST
QUESTIONS TYPE OF QUESTION TOPIC MARK
ALLOCATION

1.1 Multiple choice Human reproduction 20

Responding to the environment

1.2 Terminology Human reproduction 10

Endocrine

1.3 Matching columns Endocrine 10

1.4 Diagram with questions Human reproduction 10

 Male reproductive organ

SECTION A: 50 MARKS

2.1 Diagram with question Human reproduction 12

2.2 Diagram with question Responding to the environment 16

 The ear

2.3 Diagram with question Responding to the environment 15

 The eye

2.4 Case study Responding to the environment 7

 Neurons

QUESTION 2 – 50 MARKS

3.1 Case study Human reproduction 18

 Male reproduction - sperm

3.2 Diagram with question Responding to the environment 13
(Plants)

3.3 Diagram with question Human reproduction

 Menstrual cycle

3.4 Diagram with question Human reproduction

 The foetus

3.5 Diagram with question Human reproduction

 Fertilisation

SECTION B = 100

TOTAL: 150




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Grade 12 September Paper 1

, Life Science
Grade 12
PAPER 1


Date: SEPTEMBER 2024
Time: 2 ½ HOURS
Mark: 150
INSTRUCTIONS AND INFORMATION
Read the following instruction carefully before answering the questions.
1. Answer ALL questions.
2. Write ALL the answers on the provided FOLIO PAPER.
3. RULE OFF after each question.
4. Start each section on a NEW page.
5. Number the answers correctly according to the numbering system used in this question paper.
6. Present your answers according to the instructions for each question.
7. Do ALL drawings in pencil and label them in blue pen.
8. Draw diagrams or flow charts only when asked to do so.
9. The diagrams in this question paper are NOT all drawn to scale.
10. You may use a non-programmable calculator, protractor, and compass.
11. You may NOT use graph paper.
12. Write neatly and legibly.


EXAM AGREEMENT

I, ____________________________________ (Name & Surname), Grade __________

hereby acknowledge that I will abide by all examination rules stipulated below during the writing of my LIFE
SCIENCE exam.

RULES:

1. I will not have any electronic equipment in my possession (cell phones, smart watches and earphones).
2. I will not cause any disruption during this exam in the exam venue.
3. I will be honest at all times.

All rules, as discussed with me, will be honoured and obeyed.

___________________________
Learner Signature




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Grade 12 September Paper 1

, SECTION A
Question 1
1.1 Various options are provided 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, for example 1.1.6 E.


1.1.1 Hollow, pear-shaped organ.

A. Vagina
B. Uterus
C. Fallopian tubes

D. Placenta


1.1.2 Choose the letter that does not explain the process of oogenesis.

A The diploid germinal epithelium cells of the ovaries go through the process of mitosis
to form many follicles.
B Every 21 days, the follicle stimulating hormone (FSH) stimulates one follicle. Only
one cell inside of that follicle enlarges and goes through the process of meiosis.
C Out of the 4 haploid cells produced through meiosis, only one cell will survive to form
a mature ovum.
D The other three cells from meiosis will degenerate.



1.1.3 Before copulation the male sperm is stored temporarily in the…
A. seminal vesicles
B. scrotum
C. prostate gland
D. epididymis


1.1.4 Structure that receives a stimulus and converts it into an impulse

A. autonomic nervous system
B. effector
C. stimulus
D. receptor



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Grade 12 September Paper 1