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4

Translocation of food takes place in plants through

A. xylem

B. phloem

C. cambium

D. cortex

Correct Answer :

B. phloem


Related Questions

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4

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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4

The medulla oblongata encloses the

A. optic lobe

B. optic capsule

C. second ventricle

D. fourth ventricle

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4

The hormone that contains iodine is

A. Prolactin

B. Vasopressin

C. Thyroxine

D. Adrenalin

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4

Measles is caused by

A. bacteria

B. fungus

C. virus

D. protozoan

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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

Dwarf plants can be made to attain their normal stature by applying

A. IAA

B. Ethylene

C. Gibberelins

D. Cytokinins

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4

Bird nu is a disease which affects and spreads through

A. Cattle

B. Sheep

C. Prawn

D. Poultry

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4

What is 'atavism'?

A. The genes which show numerous phenolypic effects

B. Reappearance of traits after several generations

C. Effects of mutation

D. Intermediate inheritance of genes

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4

If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?

A. A

B. AB

C. O

D. Both (a) and (c)

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4

Which of the following crops helps in nitrogen fixation?

A. Rice

B. Wheat

C. Maize

D. Beans

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4

Chemical substances that called have effect on growth of plants are called

A. enzymes

B. catalysts

C. hormones

D. pesticides

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4

The universal recipient belongs to blood group

A. A

B. B

C. AB

D. O

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4

Nucleus was first discovered by

A. Porter

B. Robert Brown

C. Palade

D. None of these

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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

Valve a are present inside

A. Arteries

B. Capillaries

C. Veins

D. Lymph vessels

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4

Accepted theory for the origin of life is

A. Cosmozoic theory

B. Biogenesis

C. Abiogenesis

D. Oparin's theory

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4

What are top carnivores?

A. biggest carnivores

B. tigers

C. all carnivorous animals

D. carnivores that are not eaten by any other animal

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4

Sleeping sickness in man is caused by the organism

A. plasmodium

B. entamoeba

C. giardia

D. trypanosome

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4

Maintenance of pregency is under the control of

A. Follicular stimulating hormone

B. Growth hormone

C. Estrogen

D. Progesterone

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4

Dinosaur is a/an

A. Fish

B. Amphibian

C. Reptile

D. Bird

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4

Calcium and phosphorus assimilation will depend on sufficient intake of

A. vitamin B complex

B. vitamin D

C. vitamin A

D. vitamin C

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4

The animal without urinary bladder is

A. Bird

B. Man

C. Rabbit

D. Cow

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4

Sex linked genes are carried by

A. X-chromosomes

B. Y-chromosomes

C. different part of X- and Y-chromosomes

D. autosomes

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4

Desert plants are called

A. Xerophytes

B. Bryophytes

C. Pteridophytes

D. Halophytes

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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

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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4

Herbivores are

A. primary consumers

B. secondary consumers

C. tertiary consumers

D. decomposers

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4

The influenza vaccine was discovered by

A. Salk

B. Khorana

C. Mittel

D. None of the above

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4

Fledgling is a term often used to denote the young one of a

A. bird

B. fox

C. dog

D. man

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4

Charles Darwin was influenced in his work by

A. Wallace

B. Lamarck

C. Malthus

D. Mendel