Tag: world of microbes

Quizzes (11) Questions (12)

Questions Related to world of microbes

Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

Among the following, most dangerous STD is caused by

  1. Treponema pallidum

  2. Human immunodeficiency virus

  3. Neisseria gonorrhoeae

  4. Hepatitis B virus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

STD are sexually transmitted diseases that are transmitted through sexual contact. Treponema pallidum is a bacterium that causes syphilis disease. Human immunodeficiency virus (HIV) causes AIDS. Neisseria gonorrhoeae is a bacterium that causes Gonorrhea disease. Hepatitis B virus causes hepatitis disease. Out of these diseases, Syphilis is very difficult to diagnose. Hence, this makes it the most dangerous STD.

Thus, the correct answer is 'Treponema pallidum.'

Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

Match the columns

i) Yeast a) Causing AIDS
ii) Virus b) Baking of bread
iii) Rhizobium c) Fixing nitrogen

  1. I- c, II- b, III- a

  2. I- a, II- b, III- c

  3. I- b, II- a, III- c

  4. I- b, II- c, III- a
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  1. Yeast -  Saccharomyces cerevisiae is the scientific name for baker's yeast.
  2. Virus - HIV or Human immunodeficiency virus is the virus which causes AIDS
  3. Rhizobium - These are the bacteria that fix nitrogen after becoming established inside the root nodules of legumes.
 So the correct answer is I- b, II-a, III- c.

Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

Gonorrhoea is caused by

  1. Bacteria

  2. Virus

  3. Fungi

  4. Protozoa
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sexually transmitted diseases also called venereal diseases, are spread by sexual intercourse with an infected person. The major venereal diseases are syphilis and gonorrhea. Gonorrhoea is caused by a diplococcus bacterium, Neisseria gonorrhoeae. The victim feels burning sensation and pain during urination. Thus option A is the correct answer.

Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

Organ that can be affected by untreated syphilis is

  1. Heart

  2. Brain

  3. Liver

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 Syphilis is a sexually transmitted disease, that is caused by a parasite. Untreated Syphilis or tertiary syphilis can affect both heart & brain. Its symptoms vary depending on the organ system affected. 

So, the correct option is 'Both A and B'.

Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

Which of the following is STD?

  1. Cancer

  2. Malaria

  3. Pneumonia

  4. Trichomoniasis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Trichomoniasis is a sexually transmitted disease. It is caused by Trichomonas vaginalis.
Malaria is caused by Plasmodium sp and pneumonia by Diplococcus pneumonia. 

Cancer is caused by mutated DNA in the body cells.
Thus, the correct answer is (D).

Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

Which of the following STDs are not completely curable?

  1. Chlamydiasis, gonorrhoea, trichomoniasis

  2. Chancroid, syphilis, genital warts

  3. AIDS, syphilis, hepatitis B

  4. AIDS, genital herpes, hepatitis B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

AIDS, genital herpes and hepatitis B are not completely curable STDs. AIDS is caused by Human Immunodeficiency Virus. Genital herpes is caused by Herpes Simplex Virus and hepatitis B is caused by Hepatitis B Virus.

Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

It is normally a rare cancer but became a marker of AIDS/ HIV patients.

  1. Squamous cell carcinoma

  2. Retinoblastoma

  3. Kaposi's sarcoma

  4. Lukaemia
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  1. Squamous cell carcinoma is a type of skin cancer occurs due to an uncontrolled division of squamous epithelium.
  2. Retinoblast is cancer caused due to a rapid division of immature cells of the retina.
  3. It is the type of rare cancer that forms masses over several organs like skin, lymph nodes and other parts of the body and skin lesions are found to be purple in color. Since poor immunity and chronic lymphedema are basic causes so it can be considered the marker of HIV/AIDS as it weakens the immune system. In the lesions, the herpes virus is mostly identified.
  4. Leukemia is cancer caused by the division of damaged WBC.
So the correct option is "Kaposi's sarcoma".
Multiple choice biology world of microbes cancer and aids hiv and aids immunity related disorders and problems

Which one of the following statements is correct regarding sexually transmitted diseases (STDs)?

  1. A person may contact syphilis by sharing milk with one already suffering from the disease.

  2. Haemophilia is one of the STDs.

  3. Genital herpes and sickle-cell anaemia are both STDs.

  4. The chances of a 5-years boy contracting a STD are very rare.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Syphilis is caused by bacterium Treponema pallidum. It is a sexually transmitted disease (STD) which is transmitted through sexual intercourse with infected person. Haemophilia is an X-linked genetic disorder of blood, It is not transmitted via any sexual practice. Genital herpes is an STD while sickle-cell anaemia is an autosomal hereditary disorder. The chances of a 5 years old boy contacting an STD are very rare since he is unlikely to have sex at this age. So, the correct answer is 'The chances of a 5-years boy contracting a STD are very rare'.