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4

The corn in an underground stem that grows

A. horizontally

B. vertically

C. above the soil

D. obliquely

Correct Answer :

B. vertically


Related Questions

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The liver destroys old

A. leucocytes

B. thrombocytes

C. erythrocytes

D. lymphocytes

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Scurvy is prevented by vitamin

A. A

B. B

C. C

D. D

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The animal without urinary bladder is

A. Bird

B. Man

C. Rabbit

D. Cow

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Bovine Spongiform Encephalopathy refers to

A. Brain Fever

B. Mad Cow Disease

C. Enteric Fever

D. Poultry Diarrhoea

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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 wall of the heart is made of programmed cell death is known as

A. voluntary muscles

B. involuntary muscles

C. cardiac muscles

D. skeletal muscles

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The disease in which blood clotting does not take place is known as

A. xerophthalmia

B. haemopoiesis

C. haemophilia

D. haemoerythrin

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The gestation period for the elephant is

A. 10 months

B. 15 months

C. 22 months

D. 30 months

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Blood clotting requires vitamin

A. A

B. B

C. C

D. K

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Which of the following cell organelles play the most significant role in protein synthesis?

A. Lysosome and Centrosome

B. Endoplasmic reticulum and Ribosome

C. Golgi apparatus and Mitochondria

D. Lysosome and Mitochondria

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The hormone that contains iodine is

A. Prolactin

B. Vasopressin

C. Thyroxine

D. Adrenalin

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Leafy trees help in preventing

A. Land pollution

B. Water pollution

C. Noise pollution

D. Air pollution

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4

Saliva flows at the sight of food. This action is

A. involuntary

B. voluntary

C. a reflex

D. causative

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Which of the following diseases is caused by the deficiency of iron in human body?

A. Anaemia

B. Scurvy

C. Dermatosis

D. None of these

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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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Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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When the earth was formed it had an atmosphere with

A. Hydrogen, Oxygen and Nitrogen

B. Water Vapour, Hydrogen and Oxygen

C. Oxygen, Carbondioxide and Nitrogen

D. Water Vapour, Ammonia and Methane

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In case of a heart attack a hormone is injected as an emergency measure. Which one is it?

A. Thyroxine

B. Vasopressin

C. Heparin

D. Insulin

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Intravascular clotting of blood is known as

A. anaemia

B. leucopenia

C. thrombosis

D. thrombin

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Which organelle in the cell, other than nucleus, contains DNA?

A. Centriole

B. Golgi apparatus

C. Lysosome

D. Mitochondrion

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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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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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Which among the following is the best source of proteins?

A. apples

B. butter

C. beans

D. fish

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India's first transgenic crop was

A. Potato

B. Brinjal

C. Sugarcane

D. Bt cotton

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The oldest era is

A. Palaeozoic

B. Mesozoic

C. Cenozoic

D. Proterozoic

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Animals that feed only on dead flesh are

A. herbivorous

B. carnivorous

C. omnivorous

D. carrion-eaters

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Synthesis of nutrients by green plants is called

A. photo-oxidation

B. photo-respiration

C. photo-synthesis

D. photo-periodism

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Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

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Origin of species was published by

A. Lamarck

B. Weismann

C. de Vries

D. Charles Darwin

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Diseases in plants can be caused by

A. virus

B. bacteria

C. fungi

D. All the above