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4

Hormone promoting maleness in flowering plants is

A. Indole Acetic Acid

B. Kinetin

C. Cytokinin

D. Gibberellin

Correct Answer :

D. Gibberellin


Related Questions

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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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4

Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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An organism eating its own species is called

A. carnivore

B. detritivore

C. cannibal

D. herbivore

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The drug Ergot is obtained from

A. Alga

B. Fungus

C. Bacteria

D. Virus

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4

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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Afforestation means

A. study of forests

B. growing new forests

C. destroying the forests

D. go into the forests

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The diseases that are caused by lack of vitamins are called

A. deficiency diseases

B. communicable diseases

C. epidemics

D. tropical diseases

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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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4

Mendel chose for his experiments the plant

A. Bean

B. Pea

C. Cucumber

D. Rose

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4

The normal temperature of human body on the Kelvin scale is

A. 280

B. 290

C. 300

D. 310

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4

Scrub jungle Is characterised by

A. heavy rainfall

B. no rainfall

C. poor rainfall

D. none of the above

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4

The small pox vaccine was discovered by

A. Louis Pasteur

B. Edward Jenner

C. John

D. Harvey

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4

The primary energy for living organisms is

A. Solar energy

B. Chemical energy

C. Mitochondria

D. ATP

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The endocrine glands secrete

A. bile

B. harmones

C. sweat

D. genes

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What do you mean by the term fauna?

A. plant kingdom

B. animal kingdom

C. both plant and animal kingdoms

D. A part of plant kingdom

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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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Herbivores are

A. primary consumers

B. secondary consumers

C. tertiary consumers

D. decomposers

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Measles is caused by

A. bacteria

B. fungus

C. virus

D. protozoan

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4

The cell theory of Schleiden and Schwann states that

A. cells reproduce by mitosis or meiosis

B. all cells have nuclei

C. cells are basic units of plants and animals

D. cells arise only from pre-existing cells

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Plant diseases are spread by

A. insects

B. man

C. wind

D. All the above

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Riboflavin is otherwise known as

A. vitamin B-complex

B. vitamin B2

C. vitamin A

D. vitamin E

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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

India's first transgenic crop was

A. Potato

B. Brinjal

C. Sugarcane

D. Bt cotton

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A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory system. Which among the following is caused by bacteria while passing through the respiratory tract?

A. diphtheria

B. dysentery

C. jaundice

D. typhoid

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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

Oxygen transport is a function of

A. White Blood Corpuscles

B. Red Blood-Corpuscles

C. Blood Platelets

D. Plasma

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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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4

Vivipary is defined as germination

A. during storage

B. within the fruit

C. with cotyledons coming out of soil

D. with cotyledons remaining inside the soil

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4

The part of the eye behind the lens is filled with

A. aqueous humor

B. vitreous humor

C. lymph

D. blood

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Blood clot Inside blood vessels is prevented by

A. heparin

B. fibrinogen

C. thrombin

D. prothrombin