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
Los beneficios de comprar resúmenes en Stuvia estan en línea:
Garantiza la calidad de los comentarios
Compradores de Stuvia evaluaron más de 700.000 resúmenes. Así estas seguro que compras los mejores documentos!
Compra fácil y rápido
Puedes pagar rápidamente y en una vez con iDeal, tarjeta de crédito o con tu crédito de Stuvia. Sin tener que hacerte miembro.
Enfócate en lo más importante
Tus compañeros escriben los resúmenes. Por eso tienes la seguridad que tienes un resumen actual y confiable.
Así llegas a la conclusión rapidamente!
Preguntas frecuentes
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
100% de satisfacción garantizada: ¿Cómo funciona?
Nuestra garantía de satisfacción le asegura que siempre encontrará un documento de estudio a tu medida. Tu rellenas un formulario y nuestro equipo de atención al cliente se encarga del resto.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller SummariesSA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for 2,68 €. You're not tied to anything after your purchase.
