The layer of stagnant water in which light penetrates is called

Question

The layer of stagnant water in which light penetrates is called

A. Aphotic

B. Euphotic

C. Epilimnion

D. Disphotic

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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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Most of the enzymes are

A. proteins

B. lipids

C. acids

D. alkalis

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Sadabahar, a common weed, is the raw material that provides the source of medicines used In the treatment of

A. gout

B. blood cancer

C. coronary heart disease

D. polio

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Which of the following diseases is not caused by a virus?

A. Cancer

B. Rabies

C. AlDS

D. Severe Acute Respiratory Syndrome (SARS)

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Kwashiorkar is a deficiency disease

A. due to poor intake of proteins

B. due to poor intake of carbohydrates

C. due to (a) and (b)

D. due to poor intake of lipids

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The heart of the human embryo starts beating in the _____ week of its development.

A. second

B. third

C. fourth

D. first

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Organisms that feed on the excreta of other organisms are called

A. autotrophs

B. heterotrophs

C. coprophagous

D. saprotrophs

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The bile contains the pigments

A. haemoglobin and haemoerythrin

B. biliviridin and bilirubin

C. bilirubin and haemocyanin

D. haemoglobin and biliviridin

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Insects that make a clicking sound are

A. crickets

B. beetles

C. flies

D. silver fish

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The juice from the leaves of ________ is used for the treatment of diarrhoea, cholera and dysentery.

A. Caeselpinea

B. Bryophyllum

C. Centella

D. None of the above

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Gases of Jupiter' are

A. Ammonia, Methane, Hydrogen

B. Sulphur, Urethane, Oxygen

C. Carbon, Phosphorus and Oxygen

D. Nitrogen, Hydrogen and Chlorine

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Vestigeal organs are those which are

A. fully formed and functional

B. much reduced but functional

C. much reduced and functionless

D. fully formed but functionless

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In one minute normally the heart beats

A. 60 times

B. 80 times

C. 100 times

D. 72 times

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Polyploid wheat does not normally show an increase in

A. size

B. vigour

C. length of the life cycle

D. resistance to desease

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Athlete's Foot' is a disease caused by

A. Bacteria

B. Fungus

C. Protozoa

D. Nematode

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Whale reproduces by

A. ovipary

B. vivipary

C. ovovivipary

D. fission

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The eland having endorine as well as exocrine function is

A. Adrenal gland

B. Thyroid gland

C. Pituitary gland

D. Pancreatic gland

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The gestation period for the elephant is

A. 10 months

B. 15 months

C. 22 months

D. 30 months

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Digestion of proteins starts in the

A. mouth

B. stomach

C. duodenum

D. intestine

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Antisnake venom is prepared by

A. Pasteur institute

B. Hoffkine's institute

C. Birla's institute

D. Indian Science Institute

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What is the bacterial disease in lime fruits?

A. Phythophthora

B. White rust

C. Citrus canker

D. Smut disease

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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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Blood plasma from which fibrinogen is removed is known as

A. serum

B. blood concentrate

C. lymph

D. antibody component

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The larva of the housefly is called

A. maggot

B. caterpillar

C. grub

D. wriggler

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Nucleus was first discovered by

A. Porter

B. Robert Brown

C. Palade

D. None of these

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Small pox is caused by

A. bacteria

B. fungus

C. virus

D. algae

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Light compensation zone refers to

A. where light is available in plenty

B. where all light energy is used

C. where light is maximum

D. beyond which light does not penetrate

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During dehydration, the human body is usually lost by the human body is

A. sugar

B. sodium chloride

C. potassium chloride

D. iodine

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Kangaroo is one of the animals popularly called as

A. egglaying

B. pouched

C. placental

D. Volant

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Herbivores are

A. primary consumers

B. secondary consumers

C. tertiary consumers

D. decomposers

Discuss this answer

Accepted Answer

B. Euphotic

The layer of stagnant water in which light penetrates is called

Correct Answer :

Show all General Biology Set 2 MCQ

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