When does the heart start functioning?

Question

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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The geotropism of the roots that makes them grow towards gravity is said to be

A. positive

B. negative

C. neutral

D. oblique

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Prions are composed largely of

A. DNA

B. proteins

C. RNA

D. None of these

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1 gm of carbohydrate gives energy which is about

A. 3 k cal

B. 2 k cal

C. 4.2 k cal

D. 8.1 k cal

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Pulse rate is measured in the wrist by observing the jerks of blood In the

A. veins

B. capillaries

C. arteries

D. nerves

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Consumption of potassium cyanide leads to total stoppage of cellular activity in the human body, as it cripples the

A. heart

B. lungs

C. kidneys

D. mitochondria

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Which one of the following is both an exocrine and an endocrine gland?

A. Gastric glands

B. Pancreas

C. Salivary glands

D. Liver

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The function of ribosomes is

A. Secretion

B. Excretion

C. Power house of the cell

D. Protein synthesis

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The specific gravity of blood is

A. lower than water

B. higher than water

C. same as water

D. many times that of water

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Food substances are substances by

A. hormones

B. enzymes

C. vitamins

D. zymogens

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The country's first 'brain bank' that can store up to 300 human brains has been opened at

A. Alleppey

B. Bengaluru

C. Bhubaneshwar

D. Mumbai

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Who coined the term gene?

A. Mendel

B. Devries

C. Jacob and Monod

D. Johanson

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The oldest era is

A. Palaeozoic

B. Mesozoic

C. Cenozoic

D. Proterozoic

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Modern classification of the living world recognise ___________ kingdoms.

A. two

B. three

C. four

D. five

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Sexual selection theory was propounded by

A. Wallace

B. De Vires

C. Lamarck

D. Charles Darwin

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The age of a tree can be determined by

A. counting the number of annual rings

B. thickness of the bark

C. the bulk of the tree

D. the number of leaves

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In case of a heart attack a hormone is injected as an emergency measure. Which one is it?

A. Thyroxine

B. Adrenaline

C. Heparin

D. Insulin

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The equilibrium and co-ordination is looked after by which part of the brain?

A. Cerebrum

B. Medulla oblongata

C. Cerebellum

D. Olfactory lobes

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Insects that make a clicking sound are

A. crickets

B. beetles

C. flies

D. silver fish

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Athlete's Foot' is a disease caused by

A. Bacteria

B. Fungus

C. Protozoa

D. Nematode

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Origin of species was published by

A. Lamarck

B. Weismann

C. de Vries

D. Charles Darwin

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The radicle of the seeding always grows

A. towards the gravity

B. away from gravity

C. neutral to gravity

D. towards light

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India's first transgenic crop was

A. Potato

B. Brinjal

C. Sugarcane

D. Bt cotton

Discuss this answer

Lymphocytes are manufactured by

A. bone marrow

B. spleen

C. liver

D. lymph nodes

Discuss this answer

Infection of salivary glands by a virus leads to

A. tetanus

B. mumps

C. pyorrhoea

D. ulcers

Discuss this answer

Measles and influenza are caused by

A. virus

B. bacteria

C. insects

D. nematodes

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Blood of cockroach is

A. red

B. bluish

C. greenish

D. colourless

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The following disease is prevented by triple-antigen immunization

A. Diphtheria

B. Tuberculosis

C. Smallpox

D. Mumps

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Kwashiorkor' is caused by deficiency of

A. carbohydrates

B. proteins

C. fats

D. vitamins

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Hormone promoting maleness in flowering plants is

A. Indole Acetic Acid

B. Kinetin

C. Cytokinin

D. Gibberellin

Discuss this answer

Evergreen forests are confined to

A. Equatorial region

B. Temperate region

C. Alpine region

D. Arctic region

Discuss this answer

Accepted Answer

C. Before birth

When does the heart start functioning?

Correct Answer :

Show all General Biology Set 2 MCQ

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The geotropism of the roots that makes them grow towards gravity is said to be

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1 gm of carbohydrate gives energy which is about

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Consumption of potassium cyanide leads to total stoppage of cellular activity in the human body, as it cripples the

Which one of the following is both an exocrine and an endocrine gland?

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Sexual selection theory was propounded by

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The equilibrium and co-ordination is looked after by which part of the brain?

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Origin of species was published by

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