Examiner: Ms N.Harmse
Date: JULY 2024 Time: 2 hours 30 minutes
Total: 150
SECTION A
QUESTION 1
1.1 Different options are given as possible answers for the following questions. Choose the
correct answer and write only the letter (A to D) next to the question number (1.1.1 to 1.1.5)
on the FOLIO PAPER, e.g. 1.1.6 E.
1.1.1 The structure in the amniotic egg that stores waste materials.
A. Altricial development.
B. Zygote.
C. Allantois.
D. Chorion.
1.1.2 Part of the female reproductive system where fertilization occurs.
A Ovary.
B Fallopian tube
C Uterus.
D Vas deferens.
1.1.3 A hormone produced by the pituitary gland that stimulate milk production in women
A. Prolactin.
2|Page www.summariessa.co.za Life Sciences
Grade 12 June Paper
, B. Luteinizing hormone.
C. Follicle stimulating hormone.
D. Progesterone.
1.1.4 The type of sugar found in an RNA molecule.
A. Deoxyribose sugar.
B. Replicate.
C. Ribosome.
D. Ribose.
1.1.5 DNA was analyzed and found to contain 37% C(cytosine). What percentage of the
molecule is adenine?
A. 74%
B. 13%
C. 37%
D. 26%
1.1.6 A hormone that stimulates the maturation of sperm and also puberty in men.
A. Oestrogen.
B. Testosterone.
C. Tests.
D. Spermatogenesis.
1.1.7 Nitrogenous base found only in RNA molecules.
A. Uracil.
B. Adenine.
C. Thymine.
D. Guanine.
1.1.8 When the nucleus of the sperm fuses with the nucleus of the ovum.
A. Implantation.
3|Page www.summariessa.co.za Life Sciences
Grade 12 June Paper
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