Tag: harmful microorganism for humans

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Multiple choice zoology our health harmful microorganism for humans microbes and diseases categories of diseases

What is the main difference between communicable and non-communicable diseases?

  1. NCD can be treated whereas CD cannot

  2. CD can spread to others whereas NCD cannot

  3. CD can be treated whereas NCD cannot

  4. NCD can spread to others whereas CD cannot
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Explanation: Communicable diseases are caused by pathogens passed from one human to another. Non-communicable disease (NCD) is a medical condition or disease that is non-infectious or non-transmissible.

Multiple choice zoology our health harmful microorganism for humans microbes and diseases categories of diseases

The following are all methods to prevent the spread of communicable disease EXCEPT:

  1. Washing your hands before you eat

  2. Sneezing into the inside or your arm or into a tissue

  3. Going outside and getting some sun

  4. Avoid touching your face or mouth
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Communicable diseases are caused by pathogens passed from one human to another. Use soap, warm water and disposable paper towels. Wash your hands frequently and avoid direct contact.

Multiple choice zoology our health harmful microorganism for humans microbes and diseases categories of diseases

Which one of the following is a communicable disease?

  1. Measles

  2. Cancer

  3. Heart stroke

  4. Allergy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Communicable diseases are the ones that can spread from the infected person to a healthy person.
Measles is caused by a virus which is rubella virus. It is characterized by fever, inflammation of nasal mucous membrane, red watery eyes sensitive to light, flushed face followed by a typical rash. The incubation period is about 10 days. It is a communicable disease and can transfer from one individual to another.
Hence, the correct answer is 'Measles'
Multiple choice zoology our health harmful microorganism for humans microbes and diseases categories of diseases

Which one of the following hormone has potential to prevent certain chronic disease like cancer and multiple sclerosis?

  1. Melatonin

  2. Testosterone

  3. Estrogen

  4. Dehydro-epiandro sterone
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dehydroepiandrosterone (DHEA) is an important endogenous steroid hormone. It is the most abundant circulating steroid hormone in humans. DHEA is used to treat systemic lupus erythematosus (SLE), osteoporosis, multiple sclerosis (MS), low levels of steroid hormones (Addison disease), depression, schizophrenia, chronic fatigue syndrome (CFS), and to slow the progression of Parkinson disease. It is also used for preventing heart disease, breast cancer, diabetes, and metabolic syndrome. DHEA is used for weight loss, for decreasing the symptoms of menopause, and for boosting the immune system. It is naturally produced in the human body.

So, the correct answer is option D.

Multiple choice zoology our health harmful microorganism for humans microbes and diseases categories of diseases

Which one of the following metabolic conversions requires oxygen > 

  1. Glucose to pyruvate
  2. Glucose to $CO _2$ and ethanol

  3. Glucose to lactate
  4. Glucose to $CO _2$ and $H _2O$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Aerobic respiration requires oxygen to fully oxidize glucose into carbon dioxide and water. The other options describe anaerobic processes or partial oxidation.