Multiple Choice Questions

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An occupational lung disease that occurs in humans, among those given below is

  • Dyspnea

  • Anthracosis

  • Atelectasis

  • Cyanosis


B.

Anthracosis

Anthracosis is an occupational hazard occurring in coal workers.

Due to the inhalation of organic and inorganic pollutants pneumoconiosis occurs. Deposition of fibrous tissue leads to bronchitis and emphysema.

Dyspnea is a distressed breathing.

Atelectasis is the inability of the lungs to expand at birth cyanosis is bluish or violet discolouration of the skin and mucous membranes due to the reduced Hb.


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Which of the following is not correctly matched?

  • Trichomonas vaginalis – Leishmaniasis

  • Glossina palpalis – Sleeping sickness

  • Aedes agypti – Yellow fever

  • Culex pipceins – Filariasis


Meniere’s disease is associated with

  • Ear

  • Eye

  • Nose

  • Throat


Gonads are derived from

  • Ectoderm

  • Mesoderm

  • Endoderm

  • None of the above


The number of chromosomes in a primary spermatocyte is

  • Same as in spermatid

  • Same as in spermatogonium

  • Help of that in spermatogonium

  • Same as in secondary spermatocyte


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The portion of the endometrium that covers the embryo and is located between the embryo and the uterine cavity is the

  • Decidua basalis

  • Desidua umbilicus

  • Desidua capsularis

  • Deciduas functionalis


Depo-provera refers to

  • Injectible contraceptive

  • Intra uterine device

  • Implant

  • Oral contraceptive


What base is responsible for hot spots for spontaneous pint mutations?

  • Adenine

  • Guanine

  • 5-bromouracil

  • 5-methyl cytosine


During which geological period of evolution did the greatest diversification of life occurred on the earth?

  • Permian

  • Jurassic

  • Cambrian

  • Ordovician


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Specific radioactive identification of ribosomal RNA can be achieved by using C14 labelled

  • Guanine

  • Uracil

  • thymine

  • Cytocine