Biology · Science General

Health and Nutrition

2,275 Questions

Health and nutrition questions explore the benefits of physical activity, chronic disease prevention, and dietary choices. This topic bridges human biology with everyday wellness, appearing in general science papers. Practice these questions to master concepts related to healthy lifestyles and aging.

Physical activity benefitsChronic disease preventionWorkplace wellness programsHealthy aging strategiesNutritional supplement benefits

Health and Nutrition Questions

Multiple choice

An example of homeostasis is:

  1. A lightning bolt striking the ground.

  2. Blood vessels dilating to cool off the body after exercise.

  3. A poisonous substance killing a bird.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Homeostasis involves maintaining internal stability. Dilating blood vessels to release heat is a physiological response that helps the body maintain a constant internal temperature.

Multiple choice

Which will reduce hypertension?

  1. Eat saturated fats

  2. Eat a diet high in sodium

  3. Exercise regularly

  4. Reduce physical activity
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Regular exercise helps strengthen the heart and improves blood vessel health, which helps lower blood pressure. High sodium intake and saturated fats generally increase hypertension risk.

Multiple choice

Cleaning teeth is important because

  1. to give you a pretty smile

  2. to make your breath smell nice

  3. to shine your teeth

  4. prevent acid eroding your teeth
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bacteria in the mouth convert sugars into acids, which can erode tooth enamel. Cleaning teeth removes plaque and food particles, preventing this acid buildup.

Multiple choice zoology endocrine system and chemical co-ordination classification of hormones endocrine system and hormone hormones and metabolism

Choose the correct answer from the alternatives given.
Which of the following is not true concerning glucocorticoids?

  1. They help to control electrolyte balance

  2. They help promote normal metabolism

  3. They help, provide resistance to stress

  4. They provide the body with energy through gluconeogenesis
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Glucocorticoids stimulate, gluconeogenesis, lipolysis, and proteolysis; and inhibit cellular uptake and utilization of amino acids. Cortisol is involved in maintaining the cardiovascular system as well as the kidney functions. Glucocorticoids, particularly cortisol, produces anti-inflammatory reactions and suppress the immune response. Cortisol stimulates the RBC production.

So the correct answer is they help to control electrolyte balance.

Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Sexual potency of an alcoholic person

  1. Increases

  2. Decreases

  3. Remains unaltered

  4. Is marred by phobias
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chronic alcohol consumption is known to have detrimental effects on the reproductive system and sexual function. It can lead to decreased libido, erectile dysfunction, and hormonal imbalances.

Multiple choice

What is intravenous injection?

  1. It is administered under the skin

  2. It is administered intradermal

  3. It is administered via the blood vessels

  4. It is administered in the muscle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Intravenous (IV) injection involves delivering medication directly into the bloodstream via a vein, allowing for rapid systemic distribution.

Multiple choice

What is subcutaneous injection?

  1. It is administered intradermal

  2. It is administered via the blood vessels

  3. It is administered in the muscle

  4. It is administered under the skin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A subcutaneous (SQ or SC) injection is administered in the space between the skin and the muscle. This is a common route for many vaccines and medications.