The diagram below represents the reproductive tract of a bull - NSC Agricultural Sciences - Question 4 - 2017 - Paper 1
Question 4
The diagram below represents the reproductive tract of a bull.
A
B
C
D
E
F
G
4.1.1 Identify parts A and B.
4.1.2 State ONE function of part G.
4.1.3 Ind... show full transcript
Worked Solution & Example Answer:The diagram below represents the reproductive tract of a bull - NSC Agricultural Sciences - Question 4 - 2017 - Paper 1
Step 1
Identify parts A and B.
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Answer
A is the Seminal vesicle/vesicular gland, and B is the Prostate gland.
Step 2
State ONE function of part G.
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Answer
Part G secretes the seminal fluid.
Step 3
Indicate the role of the hormone secreted in part E.
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Answer
The hormone secreted in part E is responsible for the development of secondary male characteristics, normal mating behaviour, and the production and transport of spermatozoa.
Step 4
Give a reason why part F is located outside the body of the bull.
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Part F is located outside the body to regulate the temperature of the testis necessary for optimal conditions for spermatogenesis.
Step 5
Name the process used to remove part E in young calves.
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The process used to remove part E in young calves is called castration.
Step 6
Give a term for the condition referred to above.
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Answer
The condition referred to above is infertility or sterility.
Step 7
Indicate THREE causes of the condition referred to in QUESTION 4.2.1.
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Three causes of infertility include diseases, infections, and congenital defects.
Step 8
Name THREE characteristics of good quality semen that can be observed under a microscope.
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Three characteristics of good quality semen include mobility of sperm cells, high concentration of sperm cells, and less than 20% abnormalities or defects.
