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4

Best growth of plants is attained if they are supplied with

A. low carbohydrate and high nitrogen

B. high carbohydrate and low nitrogen

C. high carbohydrate and moderate nitrogen

D. equal carbohydrate and nitrogen

Correct Answer :

C. high carbohydrate and moderate nitrogen


Related Questions

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4

India's first transgenic crop was

A. Potato

B. Brinjal

C. Sugarcane

D. Bt cotton

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Cretinism is due to the disorder of the glands

A. Thymus

B. Parathyroid

C. Thyroid

D. Adrenal

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4

Origin of species was published by

A. Lamarck

B. Weismann

C. de Vries

D. Charles Darwin

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4

Who was the first scientist/doctor who attempted vaccination?

A. Joseph Lister

B. Robert Koch

C. Elie Metchnikoff

D. Edward Jenner

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4

Tse-Tse fly is the vector for

A. malarial parasite

B. try peorosoma

C. piroplasm

D. microfilaria

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Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What proportion of their offspring will be dwarf?

A. 0.5

B. 0.25

C. 0.75

D. 1

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4

Translocation of food takes place in plants through

A. xylem

B. phloem

C. cambium

D. cortex

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4

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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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

Plantain is

A. a tree

B. an annual herb

C. a perennial herb

D. a shrub

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4

Which hormone is secreted when there is a rise in the blood glucose level?

A. Glucagon

B. Insulin

C. Nor-adrenaline

D. Thyroxine

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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

Chromosome theory of inheritance was propounded by

A. Sutton and Boveri

B. Mendel

C. Muller

D. Beadle and Tatum

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4

Total number of amino acids in plants is

A. 10

B. 20

C. 30

D. Plenty

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4

The waste product In the urine of man is

A. urea

B. uric acid

C. ammonia

D. non-nitrogenous

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Which among the following is a Cast growing tree?

A. Teak

B. Eucalyptus

C. Banyan

D. Coconut

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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

The bone cells are connected with each other by

A. Haversian canal

B. canaliculi

C. capillaries

D. matrix

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Injection of insulin causes

A. increase in glucose in blood

B. decrease in glucose in blood

C. increase in blood pressure

D. decrease in blood pressure

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4

Vessels proceeding to the heart are

A. veins

B. arteries

C. capillaries

D. lymph ducts

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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

Dinosaur is a/an

A. Fish

B. Amphibian

C. Reptile

D. Bird

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4

The universal donor belongs to blood group

A. A

B. B

C. AB

D. O

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The theory that all animals and plants are made up of cells and they could arise only from pre-existing cells was propounded by

A. Robert Hooke

B. Matthias Schleiden and Theodore Schwann

C. Purkinije

D. Leuwenhoek

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The grouping o( blood is based on substances called

A. antibodies

B. antigens

C. antitoxin

D. enzymes

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4

Who coined the term gene?

A. Mendel

B. Devries

C. Jacob and Monod

D. Johanson

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The mode of nutrition in which particulate food is devoured is

A. holozoic

B. holophytic

C. saprophytic

D. parasitic

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The organ that produces antibodies in our body is

A. pancreas

B. salivary gland

C. liver

D. gonads

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4

Which organism probably arrived first in the world?

A. Algae

B. Fungi

C. Protozoa

D. None of the above

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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