The mode of nutrition in which particulate food is devoured is

Question

The mode of nutrition in which particulate food is devoured is

A. holozoic

B. holophytic

C. saprophytic

D. parasitic

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The mouth of a river opening into the sea is termed as

A. shore line

B. littoral zone

C. continental shelf

D. estuary

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Formation of blood

A. Histolysis

B. Histogenesis

C. Haemopoiesis

D. Haemolysis

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Who discovered the electron microscope?

A. Knoll and Ruska

B. Rudolf and Kolliker

C. Robert Hooke

D. CP Swanson

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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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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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The liver destroys old

A. leucocytes

B. thrombocytes

C. erythrocytes

D. lymphocytes

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Enzymes are produced by

A. endocrine glands

B. exocrine glands

C. liver

D. spleen

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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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Blood plasma from which fibrinogen is removed is known as

A. serum

B. blood concentrate

C. lymph

D. antibody component

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Scurvy is prevented by vitamin

A. A

B. B

C. C

D. D

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Aphids are

A. insect pests

B. fungal pests

C. bacterial pests

D. viral pests

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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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Decomposition of organic matter is due to

A. Virus

B. Fungi

C. Bacteria

D. None of these

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The bone cells are connected with each other by

A. Haversian canal

B. canaliculi

C. capillaries

D. matrix

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Leaves Call off branches In the winter because of

A. fall in atmospheric pressure

B. completion of the duration of life of the plant

C. formation of separation (absciss layer) just outside the cork

D. shortening of day time

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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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Ecology of a population is known as

A. demecology

B. synecology

C. autecology

D. space ecology

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Chromosome theory of inheritance was propounded by

A. Sutton and Boveri

B. Mendel

C. Muller

D. Beadle and Tatum

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Colour vision is made possible by the cells in the retina called

A. rods

B. cones

C. fovea

D. blind spot

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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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The part of the human brain concerned with sight is the

A. Frontal lobe

B. Parietal lobe

C. Temporal lobe

D. Occipital lobe

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The theory that cells arise from the pre-existing cells was proposed by

A. Nageli

B. Virchow

C. Schleiden

D. Muller

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The valve between the right auricle and right ventricle is called

A. Tricuspid

B. Bicuspid

C. Monocuspid

D. Semilunar

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Dialysis is used when there is a failure of

A. heart

B. lungs

C. liver

D. kidneys

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In movable joints the tips of the bones are covered with

A. hyaline cartilage

B. calcified cartilage

C. elastic cartilage

D. fibrous cartilage

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Blood platelets are found in

A. all vertebrates

B. all chordates

C. mammals only

D. birds and mammals

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The thrombocytes are associated with

A. blood coagulation

B. transport of respiratory gases

C. removal of nitrogenous wastes

D. All the above

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Blood clotting requires vitamin

A. A

B. B

C. C

D. K

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The external ears of man are intended for

A. ornaments

B. scattering sound waves

C. collect sound waves

D. beauty

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Haemophllia is a genetic disorder which leads to

A. decrease in haemoglobin level

B. rheumatic heart disease

C. increase in haemoglobin level

D. non-clothing of blood

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Accepted Answer

A. holozoic

The mode of nutrition in which particulate food is devoured is

Correct Answer :

Show all General Biology Set 2 MCQ

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