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What is the correct answer?

4

Total number of amino acids in plants is

A. 10

B. 20

C. 30

D. Plenty

Correct Answer :

B. 20


Related Questions

What is the correct answer?

4

Total number of amino acids in plants is

A. 10

B. 20

C. 30

D. Plenty

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4

Blood platelets are found in

A. all vertebrates

B. all chordates

C. mammals only

D. birds and mammals

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4

Blood of cockroach is

A. red

B. bluish

C. greenish

D. colourless

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4

Hormone promoting maleness in flowering plants is

A. Indole Acetic Acid

B. Kinetin

C. Cytokinin

D. Gibberellin

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4

Pneumonia is ,a bacterial disease caused by the type of bacteria called

A. Bacilli

B. Cocci

C. Sprilli

D. Vibrio

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4

Which of the following is NOT a viral disease?

A. Chicken-pox

B. Influenza

C. Epilepsy

D. Measles

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4

Biological control is to check growth of

A. plants

B. animals

C. weeds

D. one pest by another

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4

The bird that lays the largest egg is

A. crow

B. ostrich

C. cuckoo

D. eagle

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4

Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

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4

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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4

Edward Jenner to find out the efficacy of vaccination used

A. his own body

B. his friend's body

C. a corpse

D. a laboratory animal

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4

The grouping of blood is based on substances called

A. antibodies

B. antigens

C. antitoxin

D. enzymes

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4

A plant cell is distinguishable from an animal cell by the presence of

A. nucleus

B. cell wall

C. chloroplasts

D. cell membrane

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4

The natural defence of our body against foreign germs is formed by

A. red corpuscles

B. white corpuscles

C. platelets

D. lymph

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4

Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

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4

An organism eating its own species is called

A. carnivore

B. detritivore

C. cannibal

D. herbivore

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4

Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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4

Plants grown in darkness show

A. stout stem

B. long internodes

C. bigger leaves

D. no growth at all

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4

The buffer substance in blood is

A. Calcium carbonate

B. Carbon dioxide

C. Sodium bicarbonate

D. Ammonia

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4

The closing and opening of the leaves of Mimosa pudica (Touch me not) plant is due to _______ movement.

A. chemonastic

B. seismonastic

C. thermonastic

D. photonastic

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4

The scientist who discovered the blood groups is

A. Landsteiner

B. TH Morgan

C. William Harvey

D. Darwin

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4

What are the symptoms of Xeroph-thalmia?

A. eye weakness

B. dry skin and night blindness

C. nervous break down

D. All the above

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4

Agroecology relates

A. crops and productivity

B. crops and environment

C. crop productivity and physiology

D. crop resistance to climatic changes

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4

Which one of the following is caused by the expression of a recessive gene present on sex chromosome?

A. Rheumatism

B. Nervous shock

C. Muscular dystrophy

D. Cerebral haemorrhage

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4

It is possible to produce seedless tomato fruits by

A. applying trace elements in tomato fields

B. spraying mineral solution on plants

C. spraying harmones on flowers

D. applying fertilizers containing radioactive elements

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4

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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4

Eugenics is the application of genetics to improve

A. crop plants

B. fruit trees

C. cattle

D. human beings

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4

The specific gravity of blood

A. lower than water

B. higher than water

C. same as water

D. many times that of water

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4

Bordetella pertussis causes

A. tetanus

B. diphtheria

C. whooping cough

D. rabies

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4

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

A. Necton

B. pH indicators

C. Plankton

D. Benthos