NSC Life Sciences Genetics and Inheritance: 1.1 Which part of the male repro

Question

1.1 Which part of the male reproductive system secretes testosterone?
A. Epididymis
B. Prostate gland
C. Testis
D. Seminal vesicle

1.2 Which of the following represents the CORRECT sequence of development in humans?
A. Zygote → morula → blastocyst → foetus
B. Morula → zygote → blastocyst → foetus
C. Blastocyst → morula → zygote → foetus
D. Zygote → blastocyst → morula → foetus

1.3 A function of the medulla oblongata is to ...
A. control higher thought processes.
B. coordinate heart rate.
C. impact voluntary movement.
D. regulate reflexes.

1.5 Which ONE of the following is a part of the nerve that grommies invertebrates?
A. Grey matter
B. Ventricular canal
C. Spinal cord
D. Pine

1.6 Depth perception relates to the ability to judge distance.
An investigation was carried out to determine the effect of using different eyes on depth perception.
The number of attempts needed to successfully thread a needle was recorded.

The results of the investigation are shown in the table below.

|Eyes used              |Number of attempts|
|----------------------|------------------|
|One eye only          |12                |
|Both eyes             |9                 |
|Binocular vision      |6                 |

1.7 Which ONE of the following plays a part of the nervous system that is involved in the regulation of body temperature?
A. Corpus callosum 
B. Cerebellum
C. Hypothalamus
D. Spinal cord

1.8 A person experiences the following symptoms:
- Loss of weight steadily
- Severe thirst
- Frequent urination
The most likely explanation for this combination of symptoms is that the person:
A. has too much growth hormone.
B. has an overactive thyroid gland.
C. is diabetic and has just started insulin injection.
D. has an underactive hypothalamus.

1.9 The diagram below represents a cell during the early stages of prophase I.

Various combinations of chromosome arrangements are given below.

| 1  | 2  | 3  | 4  |
|----|----|----|----|
|A   |B   |C   |D   |

Which diagram(s) (1, 2, 3, or 4), poses representations of the chromosomes at the poles of the cell that indicates normal meiosis?
A. 1 only
B. 2 only
C. 1 and 2 only
D. 4 only

(1)

1.1 Which part of the male reproductive system secretes testosterone? A - NSC Life Sciences - Question 1 - 2018 - Paper 1

Worked Solution & Example Answer:1.1 Which part of the male reproductive system secretes testosterone? A - NSC Life Sciences - Question 1 - 2018 - Paper 1

Which part of the male reproductive system secretes testosterone?

Which of the following represents the CORRECT sequence of development in humans?

A function of the medulla oblongata is to ...

Which ONE of the following is a part of the nerve that grommies invertebrates?

Which ONE of the following plays a part of the nervous system that is involved in the regulation of body temperature?

The most likely explanation for this combination of symptoms is that the person:

Which diagram(s) (1, 2, 3, or 4), poses representations of the chromosomes at the poles of the cell that indicates normal meiosis?

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