MCQ 1

Question 1

Primary reproductive organ of the female?

Answer 1

Ovary

Question 2

Corpus Albicans

Answer 2

The regressed Corpus Luteum

Question 3

Going from the outside to the inside of the female reproductive system, which of the following is correct?

Answer 3

Vulva, Cervix, Oviduct and Ovary

Question 4

In which of the following species does ovulation occur at only one place on the surface of the ovary

Answer 4

Mare

Question 5

Who first identified spermatozoa with the microscope?

Answer 5

Van Leeuwenhoek

Question 6

The pampiniform plexus is involved in temperature regulation of the testes and is located where?

Answer 6

Spermatic Chord

Question 7

Which of the following is involved in sperm storage in the male?

Answer 7

Caudal tail and Epididymis

Question 8

Which of the following endocrine glands are located in the head?

Answer 8

Pineal, Anterior Pituitary and Hypothalamus
(All of the above)

Question 9

Puberty occurs at 6-7 months of age in?

Answer 9

Gilts

Question 10

Seasonally polyoestrus

Answer 10

Ovine and Equine

Question 11

Oestrus cycles throughout the year?

Answer 11

Bovine and Porcine

Question 12

Fluid-filled follicles visible on the surface of the ovary are described as?

Answer 12

Tertiary Follicles

Question 13

The acrosome is not?

Answer 13

Part of the sperm mid-piece

Question 14

Sperm motility is driven by mitochondria in the?

Answer 14

Mid-piece

Question 15

Vandenbergh Effect

Answer 15

Refers to the advancement of the onset of puberty following exposure to a male

Question 16

Function of the uterus is to cause luteolysis?

Answer 16

True

Question 17

A useful measure of puberty in a bull is the age at which there are sufficient sperm present in the ejaculate to successfully breed females?

Answer 17

True

Question 18

At the time fertilisation, both the oocyte and the sperm are hybrid?

Answer 18

True

Question 19

The pampiniform plexus compromises of arteries, veins and serves to warmth the testes

Answer 19

False

Question 20

Seminiferous tubules are the site of testosterone production in the male?

Answer 20

False

Question 21

The sow is a spontaneous ovulatory while the cat is an induced ovulatory?

Answer 21

True

Question 22

The CL -> After the ovulation of the dominant follicle

Answer 22

True

Question 23

The seminal vesicles are the site of spermatogenesis (Sperm Production) in the males?

Answer 23

False

Question 24

Freemartin

Answer 24

A sterile heifer born twin to a male

Question 25

Vasectomised animals -> Teasers to detect oestrus because?

Answer 25

They have normal levels of testosterone, normal libido and cannot get females pregnant (All of the above)

Question 26

The sex of the offspring is determined by?

Answer 26

The sperm

Question 27

The most important function of the epididymis is?

Answer 27

Sperm maturation

Question 28

The volume of a typical ejaculate in the boar is?

Answer 28

200-250ml

Question 29

Glycerol is induced during semen processing to?

Answer 29

Prevent ice crystal formation during cryopreservation

Question 30

Traditionally, most genetic gain in cattle comes from the selection of superior males because?

Answer 30

Males produce millions of gametes per ejaculation

Question 31

Castration in the bull typically involves?

Answer 31

Cutting the blood supply to the testes with a consequence reduction in libido

Question 32

The spermatic chord in order

Answer 32

Van Deferens, vasculature, cremaster muscle and pampiniform plexus

Question 33

In the male FSH stimulates?

Answer 33

Spermatogenesis

Question 34

Daily sperm production I farm animals is approximately?

Answer 34

15-30 X 109 sperm per gram of testis

Question 35

During each oestrus cycle cows typically have?

Answer 35

2-3 waves of follicular growth

Question 36

A signalling pheromone?

Answer 36

Has a direct effect on the behaviour of the recipient animal

Question 37

The Whitten Effect in mice?

Answer 37

Refers to a tendency to shorten and synchronise oestrus cycles in females induced by the introduction of a male, is caused by androgens in male urine and is similar to the ram effect in sheep. (ALL OF THE ABOVE)

Question 38

The duration of spermatogenesis is?

Answer 38

Months

Question 39

40. In rams the difference between body and testicular temperature is approximately?

Answer 39

4’ degrees

Question 40

Sertoli Cells are contained in the?

Answer 40

Seminiferous tubules

Question 41

The main reason why collecting semen using an artificial vagina is preferable to using an electro-ejaculate is because?

Answer 41

You get a better sample

Question 42

Function of the Leydig Cells is to?

Answer 42

Produce androgens

Question 43

An average ejaculate in the bull contains?

Answer 43

10 billion spermatozoa

Question 44

The typical number of sperm used in bovine AI with frozen-thawed semen is?

Answer 44

20 million

Question 45

If a boar is given fence line access to a group of gilts, this will cause the age of puberty to be decreased compared to non-exposed gilts?

Answer 45

True

Question 46

Spermatogenesis includes the 3 main phases of spermatocytogenesis, meiosis and spermatogenesis?

Answer 46

True

Question 47

Best fertility is achieved if a cow is inseminated at the start of behavioural oestrus?

Answer 47

False

Question 48

The CL produces Oestradiol which is responsible for maintenance of pregnancy?

Answer 48

False

Question 49

Prostaglandin F2 Alpha is the main luteolytic factor and is produced by?

Answer 49

The uterus

Question 50

Progesterone (P4) and Prostaglandin F2 Alpha have similar actions during reproduction?

Answer 50

False