HUMAN AND VERTEBRATE REPRODUCTION

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HUMAN AND VERTEBRATE REPRODUCTION - M\C PART 2

EXAM REVISION BOOKLET M\C QUESTIONS PART 2

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1.16 The structure in the amniotic egg that supplies nutrients: *

Shell

Allantois

Chorion

Yolk sac

QUESTIONS 1.17 AND 1.18 REFER TO THE DIAGRAM BELOW, WHICH REPRESENTS A DEVELOPING FOETUS IN THE UTERUS

1.17 Which ONE of the following is repsonsible for protecting the foetus against temperature changes? *

1.18 What would be a possible consequence for the foetus if part 2 produces insufficient progesterone? *

The foetus will not grow because there will be no cell division

The foetus may be underdeveloped due to a shortage of growth hormone

A miscarriage will take place because the endometrium will disintegrate

The foetus could be injured because there will be no shock absorption

1.19 A human male underwent a vasectomy where the sperm duct/ vas deferens was cut. Which ONE of the following structures would no longer contribute to the production of semen? *

seminal vseicles

prostate gland

seminiferous tubules

Cowper's gland

1.20 After sperm cells have been produced in humans, they are stored in the ... until maturation. *

penis

urethra

epididymis

seminal vesicles

1.21 Which ONE of the following parts are in the diagram of a sperm cell contains a haploid number of chromosomes? *

1.22 Contraceptive pills which prevent pregnancy are likely to contain ... *

high levels of FSH and progesterone

high levels of LH and oestrogen

high levels of only FSH

high levels of only progesterone

1.23 The part of the female reproductive system where fertilisation takes place is called the ... *

vagina

ovary

Fallopian tube

cervix

1.24 Which of the following are hormones that directly stimulate the development of the endometrium? *

FSH and LH

Progesterone and oestrogen

FSH and progesterone

LH and oestrogen

1.25 A function of the placenta is to ... *

transport waste from mother to foetus

form the chorion

secrete progesterone

secrete the fluid that surrounds the foetus

1.26 An advantage of internal fetilisation is that ... *

sperm and ova are protected within the female's body

there is better parental care

more gametes will be produced

the foetus receives food directly from the mother

1.27 Which ONE of the following involves the development of the young inside the uterus of the mother and where it receives nutrients through the placenta? *

Ovipary

Vivipary

Ovovivipary

Amniotic egg

1.28 Below is a list of terms relating to reproduction. Which of the terms below refer to strategies used by birds that incubate their eggs in a nest and feed their young until they are able to fly? *

(i), (ii), (iii) and (iv)

(i), (iii) and (iv) only

(ii), (iii) and (iv) only

(i), (ii) and (iii) only

QUESTIONS 1.29 AND 1.30 ARE BASED ON THE DIAGRAM OF THE HUMAN MALE REPRODUCTIVE SYSTEM BELOW.

1.29 Which part stores sperm until maturation? *

1.30 A man who had cancer underwent surgery to remove part 1 and part 2. The man ... *

will be able to release semen not containing sperm and therefore cannot reproduce.

cannot reproduce because he will produce abnormal sperm.

cannot reproduce as his sperm will not be able to survive the acidic conditions of the vagina

will be able to reproduce but his sperm will not be able to move fast as they will not have energy

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