The bone cells are connected with each other by

Question

The bone cells are connected with each other by

A. Haversian canal

B. canaliculi

C. capillaries

D. matrix

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The rate of heartbeat is accelerated by the hormone

A. adrenaline

B. acetylcholine

C. thyroxine

D. pituitrin

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The scientist who discovered the blood groups is

A. Landsteiner

B. TH Morgan

C. William Harvey

D. Darwin

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Louis Pasteur developed the vaccine for ______ for the first time.

A. smallpox

B. cowpox

C. tetanus

D. chicken cholera

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Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

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AIDS is caused by the organisms which are

A. bacteria

B. fungi

C. viruses (HTLV III)

D. Protozoa

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What are halophytes?

A. plants found in fresh water

B. plants growing in saline conditions

C. mesophytic plants

D. desert plants

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The theory of use and disuse was used to explain evolution by

A. Lamarck

B. Darwin

C. De Vries

D. Wallace

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Scurvy is prevented by vitamin

A. A

B. B

C. C

D. D

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The protein synthesis takes place in

A. Ribosomes

B. Chromosomes

C. DNA

D. None of these

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Organisms that live in the deep sea are mainly

A. Herbivores

B. Carnivores

C. Detritivores

D. None of the above

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In plants water is carried upwards by

A. phloem

B. paranchyma

C. xylem

D. meristem

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Hydrotropism means the growth of roots

A. away from water

B. towards water

C. into water

D. out of water

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Diabetes is a disease which is

A. contagious

B. non-communicable

C. communicable

D. epidemic

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Blood clot Inside blood vessels is prevented by

A. heparin

B. fibrinogen

C. thrombin

D. prothrombin

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The animal without urinary bladder is

A. Bird

B. Man

C. Rabbit

D. Cow

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Which among the following is a communicable disease?

A. Beri Beri

B. Diabetes

C. Leucoderma

D. Dysentery

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Which one of the following is viral disease?

A. Syphilis

B. Influenza

C. Lock Jaw

D. Typhoid

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Prions are composed largely of

A. DNA

B. proteins

C. RNA

D. None of these

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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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Afforestation means

A. study of forests

B. growing new forests

C. destroying the forests

D. go into the forests

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The enzyme that is necessary to bring about clotting of blood is

A. peptidase

B. amylase

C. lipase

D. thrombokinase

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Veins carry blood

A. towards the heart

B. away from the heart

C. both to and from the heart

D. only around the heart

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The method of inducing artificial immunity was discovered by

A. Jenner

B. Tolstoy

C. Pasteur

D. Morgan

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Plants grown in darkness show

A. stout stem

B. long internodes

C. bigger leaves

D. no growth at all

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The smallest size of a cell which can be seen directly by the eye is

A. One micron

B. 10 micron

C. 100 micron

D. 1000 micron

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Plant diseases are spread by

A. insects

B. man

C. wind

D. All the above

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The counting of RBC's can be performed by

A. Haemocytometer

B. Haemoglobinometer

C. Clinostat

D. Thermometer

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Bird nu is a disease which affects and spreads through

A. Cattle

B. Sheep

C. Prawn

D. Poultry

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Malarial parasite is brought to human host by

A. male anopheles mosquito

B. female anopheles mosquito

C. male culex

D. female culex

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The plants will stop growing if the shoot tip is cut off because

A. shoot tip produces growth hormones

B. shoot tip contains meristematic cells

C. shoot tip is the growing part

D. the plant dies

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Accepted Answer

B. canaliculi

The bone cells are connected with each other by

Correct Answer :

Show all General Biology Set 2 MCQ

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