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Biology & Geology

Chapter 1 - Support and Movement in Living Organisms

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Chapter 2 - Hormonal Coordination in Living Organisms

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Chapter 3 - Reproduction in Living Organisms

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Chapter 4 - Immunity in Living Organisms

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Chapter 5 - Molecular Biology - DNA Structure and Function

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Chapter 6 - Molecular Biology - RNA, Protein Synthesis and Genetic Engineering

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Chapter 7 - Geology, Earth Sciences and Ecology

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Quiz

Lesson 2 Quiz: Adrenal Glands, The Pancreas and Reproductive Gonads

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1.
To distinguish between a white precipitate of barium sulfate (BaSO4) and a white precipitate of barium phosphate (Ba3(PO4)2), one should add:
Dilute hydrochloric acid (Ba3(PO4)2 dissolves while BaSO4 remains insoluble)
Ammonium hydroxide solution
Boiling distilled water
Concentrated nitric acid in the dark
2.
The ion directly responsible for the explosion of synaptic vesicles and the release of acetylcholine in the neuromuscular synapse cleft is:
Potassium ion K+
Sodium ion Na+
Calcium ion Ca2+
Chloride ion Cl−
3.
The salivary glands and sweat glands in the human body are examples of:
Common glands
Steroid tissue
Exocrine ductal glands discharge their secretions through special channels outside the bloodstream
Aductal endocrine glands
4.
The lymphocytes responsible for secreting specific antibodies in humoral immunity are:
Natural killer (NK) cells
Macrophages
Plasma B cells
Helper T cells (TH)
5.
In the secondary immune response upon exposure to the microbe for the second time, the response is characterized as:
Rely only on the first line of defense
Slow and takes days
It is very rapid and produces huge amounts of antibodies thanks to memory cells, and the individual does not show symptoms of the disease
Limited to non-specialized immunity
6.
The Cowper glands and the prostate gland in the male reproductive system secrete an alkaline fluid that passes into the urethra to:
Balancing the acidity of the urethra to ensure the passage and safety of sperm
Sperm production
Secretion of testosterone
Semen storage
7.
Sertoli cells in the seminiferous tubules of the human male testicle play a functional role in:
Secretion of testosterone
Excretion of fructose
Meiosis to produce precursors
The secretion of a fluid that nourishes sperm inside the testicle and is thought to have an immunological function
8.
Fructose, which is found in semen to nourish sperm outside the testicle, is secreted by:
Tomorrow Cooper
Epididymis
The seminal vesicles
Prostate gland
9.
Interstitial cells in the human male testicle respond directly and secrete testosterone under the influence of a pituitary hormone:
FSH hormone
Luteinizing hormone (LH)
Growth hormone
Prolactin hormone
10.
Mutations that are inherited to future generations and occur in reproductive cells that produce gametes are called:
Somatic mutations
Temporary spikes
Gamete mutations
Rebound mutations
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