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What is the colour of the outer portion of the spinal cord?

A. gray

B. brown

C. white

D. yellow

Correct Answer :

C. white


Related Questions

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Loss of blood is

A. clotting

B. receding

C. healing

D. drying up

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What is an antigen?

A. toxic substance

B. a kind of protein

C. blood platelets

D. blood corpuscles

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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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The deficiency of Vitamin A which leads to poor vision during night is termed

A. nyctolopia

B. myopia

C. glaucoma

D. colour blindness

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When one gene controls two or more different characters simultaneously, the phenomenon is called

A. Apomixis

B. Pleiotropy

C. Polyploidy

D. Polyteny

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What is an antigen?

A. Toxic substance

B. A kind of protein

C. Blood platelets

D. Blood corpuscles

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Waldeyer gave the name

A. microsome

B. chromosome

C. ribosome

D. lysosome

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The human heart is

A. Neurogenic heart

B. Myogenic heart

C. Pulsating heart

D. Ampullary heart

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The blood pressure is controlled by the hormone

A. Vasopressin

B. Oxytocin

C. Oestrogen

D. Testasterone

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Bird nu is a disease which affects and spreads through

A. Cattle

B. Sheep

C. Prawn

D. Poultry

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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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Which among the following diseases is not caused by viral infection?

A. pneumonia

B. small pox

C. mumps

D. active transport

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Pearl is secreted by the __________ of the pearl oyster.

A. foot

B. mantle

C. gills

D. None of these

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Diabetes is a disease which is

A. contagious

B. non-communicable

C. communicable

D. epidemic

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Blood platelets are found in

A. all vertebrates

B. all chordates

C. mammals only

D. birds and mammals

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The larva of the housefly is called

A. maggot

B. caterpillar

C. grub

D. wriggler

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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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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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The energy for the sperm to swim and reach the egg is provided by

A. tail

B. head

C. neck

D. mitochondria

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The bird that lays the largest egg is

A. crow

B. ostrich

C. cuckoo

D. eagle

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The cavities of the brain are filled with

A. Blood

B. Lymph

C. Water

D. Cerebrospinal fluid

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Kangaroo is one of the animals popularly called as

A. egglaying

B. pouched

C. placental

D. Volant

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Deciduous forests are those with trees

A. that are evergreen

B. that shed leaves periodically

C. that have needle like leaves

D. that have no leaves at all

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Pulse rate is measured in the wrist by observing the jerks of blood In the

A. veins

B. capillaries

C. arteries

D. nerves

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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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The hormone secreted when one is frightened or excited

A. pituitrin

B. thyroxine

C. adrenaline

D. parathormone

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Organisms that feed on the excreta of other organisms are called

A. autotrophs

B. heterotrophs

C. coprophagous

D. saprotrophs

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The specific gravity of blood is

A. lower than water

B. higher than water

C. same as water

D. many times that of water

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Athlete's Coot is the common name for the fungal disease

A. Tinea pedis

B. Tinea cruris

C. Tinea corporis

D. Tinea capitis

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Nucleus was first discovered by

A. Porter

B. Robert Brown

C. Palade

D. None of these