The diagram below represents the male reproductive system of a bull - NSC Agricultural Sciences - Question 4 - 2018 - Paper 1
Question 4
The diagram below represents the male reproductive system of a bull.
4.1.1 Identify part A and part B.
4.1.2 State TWO functions of the secretion of the vesicular ... show full transcript
Worked Solution & Example Answer:The diagram below represents the male reproductive system of a bull - NSC Agricultural Sciences - Question 4 - 2018 - Paper 1
Step 1
Identify part A and part B.
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Answer
Part A is the 'Vesicular gland' and part B is the 'Prostate gland'.
Step 2
State TWO functions of the secretion of the vesicular gland.
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Answer
The vesicular gland provides nourishment and energy to the sperm cells, and it also protects the sperm cells against changes in pH.
Step 3
Name a congenital defect of part D that can lead to an inability to service cows.
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A congenital defect could be 'Hypoplasia' or 'Under-development' of the penis.
Step 4
Identify the effect on the fertility of the bull if part E is:
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If part E is:
(a) Hanging very close to the body at all times due to a shorter scrotum, it can lead to reduced spermatogenesis and lower sperm count, causing infertility.
(b) If totally removed, no sperm will be produced, rendering the bull sterile.
