Damage to hearing is caused by sounds which exceed

Question

Damage to hearing is caused by sounds which exceed

A. 70 decibels

B. 80 decibels

C. 100 decibels

D. 120 decibels

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Vaccine for influenza has been discovered by

A. Khorana

B. John

C. Mittel

D. Salk

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The pH of normal urine of man ranges from

A. 6 - 8

B. 4.5 - 6

C. 2.5 - 6

D. 8 10

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Which among the following may carry rabies?

A. Cat

B. Dog

C. Fox

D. All the three

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Total number of amino acids in plants is

A. 10

B. 20

C. 30

D. Plenty

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The protoplasm of a child is exactly the same as that of its

A. mother

B. father

C. grandfather

D. identical twin

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The phenomenon of summer sleep by animals is called

A. hibernation

B. aestivation

C. laziness

D. lethargy

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Food substances are substances by

A. hormones

B. enzymes

C. vitamins

D. zymogens

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Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

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When the earth was formed it had an atmosphere with

A. Hydrogen, Oxygen and Nitrogen

B. Water Vapour, Hydrogen and Oxygen

C. Oxygen, Carbondioxide and Nitrogen

D. Water Vapour, Ammonia and Methane

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The aphotic zone means that light is

A. always present

B. present during day

C. always absent

D. present during night

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The cavities of the brain are filled with

A. Blood

B. Lymph

C. Water

D. Cerebrospinal fluid

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The spores of Puccinia formed on the leaves of wheat are called

A. Basidiospores

B. Ascidiospores

C. Uredospores

D. Pycnospores

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The theory that all animals and plants are made up of cells and they could arise only from pre-existing cells was propounded by

A. Robert Hooke

B. Matthias Schleiden and Theodore Schwann

C. Purkinije

D. Leuwenhoek

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Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

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The drug Ergot is obtained from

A. Alga

B. Fungus

C. Bacteria

D. Virus

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Insect pollination is known as

A. Hydrophily

B. Ornithophily

C. Anemophily

D. Entomophily

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Who was the first scientist/doctor who attempted vaccination?

A. Joseph Lister

B. Robert Koch

C. Elie Metchnikoff

D. Edward Jenner

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Late Blight' is a disease that affects the _______ crop.

A. coconut

B. cashew

C. potato

D. pepper

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Compared to the veins, the walls of arteries are

A. thicker

B. thinner

C. similar

D. very much thinner

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The science of improving the hereditary qualities of future generations of mankind is referred to as

A. genetics

B. eugenics

C. epigenesist

D. epistasis

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Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called

A. Rickets

B. Beriberi

C. Xerophthalmia

D. Sterility

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When does the heart start functioning?

A. At birth

B. After birth

C. Before birth

D. After a week from birth

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Which one of the following was probably absent in the atmosphere at the time of origin of life?

A. Ammonia

B. Oxygen

C. Hydrogen

D. Carbon

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Phonoreceptor refers to the perception of

A. light

B. sound

C. touch

D. smell

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The cellular and molecular control o( programmed cell death is known as

A. Apoptosis

B. Ageing

C. Degeneration

D. Necrosis

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The 'graveyard of the RBC' refers to

A. spleen

B. liver

C. bone marrow

D. thymus

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Which hormone is secreted when there is a rise in the blood glucose level?

A. Glucagon

B. Insulin

C. Nor-adrenaline

D. Thyroxine

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Those small organisms which float on the surface of water are called

A. Necton

B. pH indicators

C. Plankton

D. Benthos

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Which of the following organelles is known as the 'power House' of the cell?

A. Golgi Bodies

B. Ribosomes

C. Mitochondria

D. None of these

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Whooping cough is caused by

A. Salmonella

B. Bacillus pertussis

C. Variola

D. Vibriona

Discuss this answer

Accepted Answer

D. 120 decibels

Damage to hearing is caused by sounds which exceed

Correct Answer :

Show all General Biology Set 2 MCQ

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