HUMAN & VERTEBRATE REPRODUCTION

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HUMAN & VERTEBRATE REPRODUCTION - M\C PART 1

EXAM REVISION BOOKLET M\C QUESTIONS PART 1

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1.1 The type of reproduction in which young develop from the eggs that are kept in the mother's body but do not receive nutrition from the mother: *

Vivipary

Ovipary

Ovovivipary

Altricial

1.2 In seahorses the female deposits the eggs into a pouch in the male's body. The male then secretes sperm into the pouch. Fertilisation takes place in the pouch. The fertilised eggs develop in the pouch. What type of fertilisation and reproductive strategy does this represent? *

External fertilisation and vivipary

Internal fertilisation and vivipary

External fertilisation and ovipary

Internal fertilisation and ovipary

1.3 Which ONE of the following hormones is responsible for the development of secondary male characteristics? *

FSH

Testosterone

Oestrogen

Progesterone

1.4 The number of chromosomes found in a human sperm cell is ... *

1.5 Which ONE of the following processes is responsible for the production of male gametes? *

Spermatogenesis

Oogenesis

Ejaculation

Ovulation

1.6 The following structures are part of the male reproductive system. Which ONE of the following combinations of structures produces semen? *

(i), (ii) and (iv) only

(i), (iii) and (v) only

(ii), (iii) and (v) only

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

1.7 The structure that enables the sperm to move through the Fallopian tube is the ... *

tail

nucleus

middle piece

head

1.8 Which ONE of the following is the correct sequence of events during human reproduction? *

oogenesis ---> ovulation ---> fertilisation ----> implantation

oogenesis ---> ovulation ---> implantation ---> fertilisation

ovulation ---> oogenesis ---> fertilisation --->implantation

ovulation ---> oogenesis ---> implantation ---> fertilisation

1.9 The following blood vessels lead to and from the placenta in a pregnant female. Which ONE of the following sets of blood vessels transport blood with a high amount of oxygen and nutrients? *

(i) and (iii) only

(ii) and (iii) only

(i) and (iv) only

(ii) and (iv) only

QUESTIONS 1.10 AND 1.11 REFER TO THE GRAPH BELOW. THE GRAPH SHOWS THE CHANGES IN THE CONCENTRATION OF FEMALE HORMONES (LH AND FSH) IN TWO FEMALES DURING THE FIRST TWO WEEKS OF THE MENSTRUAL CYCLE.

1.10 Which female will NOT ovulate on day 14? *

Female A, because the FSH levels are high

Female A, because the LH levels are too high on day 13

Female B, because LH inhibits the development of a follicle

Female B, because a follicle did not develop in the ovary

1.11 Which ONE of the following statements is CORRECT regarding female A? *

FSH increases on day 14 because the Graafian follicle is secreting progesterone

FSH increases after day 9 as the pituitary glans/hypophysis is secreting progesterone

FSH decreases after day 4 to ensure that implantation occurs

FSH increases in the first two days to stimulate the development of a follicle

1.12 The advantage of the testes located in the scrotum, outside the body cavity: *

More sperm can be stored in the scrotum

Sperm development is more efficient at temperatures below 36 degrees C

Testes are better protected in the scrotum than in the body cavity

There is more time for prostate secretions to be added to sperm

1.13 Which ONE of the following pairs CORRECTLY matches a reproductive structure and its function? *

Fallopian tube - maturation of sperm

Vagina - fertilisation

Urethra - release of sperm

Seminal vesicles - ovum development

1.14 The hormone that stimulates the development of the male sex organs: *

Prolactin

Thyroxin

Testosterone

Aldosterone

1.15 The following is a list of functions performed by different organs in an organism. Which ONE of the following combinations refers to the functions performed by parts of an amniotic egg? *

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

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

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

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

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