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Biology (Medical Entrance)

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The Big Bang theory is related with the

  1. origin of life

  2. origin of earth

  3. origin of species

  4. origin of community


Correct Option: B
Explanation:

The Big Bang theory is related with the origin of Earth.

The author of the book 'Origin Of Life' is

  1. Darwin

  2. Lamarck

  3. A I Oparin

  4. Carl linnaeus


Correct Option: C
Explanation:

'Origin Of Life' was written by Oparin.

The theory of spontaneous generation or abiogenesis was disproved by

  1. A.I.Oparin

  2. Darwin

  3. Louis Pasteur

  4. Sydney fox


Correct Option: C
Explanation:

The theory of spontaneous generation or abiogenesis was disproved by Louis Pasteur.

Which of the following is not a vestigial organ?

  1. Ear pinna muscle.

  2. Plica semilunaris

  3. Epiglottis

  4. Vermiform appendix


Correct Option: C
Explanation:

Epiglottis is the flap covering the wind pipe, and is not a vestigial organ.

The book 'On the Origin of Species' by means of natural selection' was first published in

  1. 1859

  2. 1901

  3. 1779

  4. 1831


Correct Option: A
Explanation:

The book 'On the origin of species' by means of natural selection' was first published in 1859.

Macrophages kill harmful bacteria by

  1. exocytosis

  2. pinocytosis

  3. phagocytosis

  4. osmosis


Correct Option: C
Explanation:

Macrophages kill harmful bacteria  by phagocytosis.

Which of the following immunoglobulins can cross human placenta?

  1. IgA

  2. IgE

  3. IgM

  4. IgG


Correct Option: D
Explanation:

IgG can cross human placenta and provides immunity to the foetus.

Inflammation causing substance called histamine is produced by

  1. lymphocytes

  2. macrophages

  3. fibroblast

  4. mast cells


Correct Option: D
Explanation:

Mast cells produce histamine.

In the human body kupffer cells are found in the

  1. lungs

  2. spleen

  3. liver

  4. thymus


Correct Option: C
Explanation:

Kupffer cells are found in the liver .

Colostrum or first milk contains

  1. IgE

  2. IgG

  3. IgA

  4. IgM


Correct Option: C
Explanation:

Colostrum or first milk contains IgA

A primary lymphoid organ is

  1. tonsil

  2. peyer's patches

  3. thymus

  4. lung


Correct Option: C
Explanation:

Thymus is a primary lymphoid organ.

Which organelle is not surrounded by one or more membranes?

  1. Mitochondrion

  2. Chloroplast

  3. Peroxisome

  4. Ribosome


Correct Option: D
Explanation:

Ribosome is not surrounded by one or more membranes.

The 'Suicidal'bag of an animal cell is

  1. spherosome

  2. dictyosome

  3. lysosome

  4. endosome


Correct Option: C
Explanation:

The 'Suicidal'bag of an animal cell is lysosome.

Which is present in both prokaryotic cells and in eukaryotic plant cells?

  1. Nucleus

  2. Chloroplasts

  3. Cell walls

  4. Mitochondria


Correct Option: C
Explanation:

Cell walls are present in both,  prokaryotic cells and in eukaryotic plant cells

The microtubular arrangement in the flagellar filament is

  1. 9+0

  2. 9+2

  3. (9) + 1

  4. 12+1


Correct Option: B
Explanation:

The microtubular arrangement in the flagellar filament is 9+2

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