Grade 12 Life Sciences November Paper 1 and Memo:
Total: 150 Marks.
This exam paper covers the following work:
Question 1: Endocrine system | Human reproduction | Responding to the environment (Plants) | ale reproductive organ (50 marks)
Question 2: Reproduction in vertebrates | Responding ...
GR 12 LIFE SCIENCES – TERM 4 EXAMINATION
QUESTIONS TYPE OF QUESTION TOPIC MARK
ALLOCATION
1.1 Multiple choice Endocrine system 20
1.2 Terminology Human reproduction 10
1.3 Matching columns Responding to the environment 10
(Plants)
1.4 Diagram with questions Human reproduction 10
Male reproductive organ
SECTION A: 50 MARKS
2.1 Diagram with question Reproduction in vertebrates 11
2.2 Diagram with question Responding to the environment 12
The brain
2.3 Diagram with question Responding to the environment 6
The neuron
2.4 Case study Responding to the environment 10
2.5 Diagram with question Responding to the environment 11
The eye
3.1 Investigation Responding to the environment 11
(Plants)
3.2 Diagram with question Responding to the environment 8
(Plants)
3.3 Diagram with question Human reproduction 12
Menstrual cycle
3.4 Diagram with question Human reproduction 8
The foetus
3.5 Diagram with question Human reproduction 11
Fertilisation
SECTION B = 100
TOTAL: 150
1|PagE www.summariessa.co.za Life Sciences
Grade 12 November Paper 1
, Life Science
Grade 12
PAPER 1
Date: NOVEMBER 2023
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
2|PagE www.summariessa.co.za Life Sciences
Grade 12 November 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 Which ONE of the following hormones controls metabolic rate?
A. Testosterone.
B. Thyroxin.
C. Growth hormone.
D. Insulin.
1.1.2 An extract from a gland of an adult monkey was injected into the bloodstream of a young
monkey. It caused the young monkey to grow abnormally tall. From which gland was the
extract obtained?
A Hypothalamus. B
Adrenal gland.
C Hypophysis/Pituitary gland.
D Pancreas.
1.1.3 The hormone that regulates the amount of salt in the blood.
A. Prolactin. B.
Hormones.
C. Endocrine glands.
D. Aldosterone.
1.1.4 It is the process of maintaining a constant internal environment within narrow limits,
despite changes that take place internally and externally.
A. Homeostasis.
B. Herbicide.
C. Implantation.
D. Ovulation.
3|PagE www.summariessa.co.za Life Sciences
Grade 12 November Paper 1
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