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4

Wallace's line is a line

A. drawn by Darwin

B. across the mountains

C. between two zoo-geographical areas

D. between different classes of animals

Correct Answer :

C. between two zoo-geographical areas


Related Questions

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4

The insect vector for the disease Leishmaniasis is

A. Tsetse fly

B. Culex

C. Phlebotomus

D. Anopheles

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4

The layer of stagnant water in which light penetrates is called

A. Aphotic

B. Euphotic

C. Epilimnion

D. Disphotic

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4

Heart is made up of

A. nonstriated muscle

B. cardiac muscle

C. connective tissue

D. nervous tissue

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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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4

The blood without corpuscles is called

A. bile

B. lymph

C. plasma

D. blood

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4

Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______ years.

A. 2

B. 3

C. 5

D. 8

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4

Late Blight' is a disease that affects the _______ crop.

A. coconut

B. cashew

C. potato

D. pepper

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4

Turner's syndrome is a disease caused by

A. bacteria

B. virus

C. fungus

D. chromosomal imbalance

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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

Which among the following vitamins is considered to be a harmone?

A. A

B. B

C. C

D. D

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4

Eugenics is the application of genetics to improve

A. crop plants

B. fruit trees

C. cattle

D. human beings

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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

Man has ____ pairs of salivary glands.

A. 3

B. 4

C. 6

D. 8

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4

The genetic code DNA is carried from the nucleus to Ribosome by

A. t-RNA

B. r-RNA

C. S-DNA

D. ATP

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4

The most accepted theory of the origin of earth is the fiery origin which was propounded by

A. Laplace

B. Chamberlain

C. James Jean

D. Hoyle

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4

The counting of RBC's can be performed by

A. Haemocytometer

B. Haemoglobinometer

C. Clinostat

D. Thermometer

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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

Baldness is seen only in the males because

A. it is a male disorder

B. it is linked with male Y chromosome

C. it is influenced by male hormone

D. females cover it up with wigs

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4

Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?

A. snake

B. peacock

C. parrot

D. camel atmospheric pressure

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4

The muscles of the heart are

A. striated and involuntary

B. striated and voluntary

C. smooth and involuntary

D. smooth and voluntary

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4

Nephrons are found inside

A. Liver

B. Lung

C. Brain

D. Kidneys

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4

The larva of the housefly is called

A. maggot

B. caterpillar

C. grub

D. wriggler

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4

The part of the brain which is responsible for intelligence is

A. cerebrum

B. opthalmic

C. cochlea

D. semicircular canals

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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

Blood of cockroach is

A. red

B. bluish

C. greenish

D. colourless

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4

What are oncogenes?

A. a dominant gene

B. a set of genes which produce cancer

C. a gene present in the X-chromosomes causing haemophilia

D. a recessive gene

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4

A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's blood serum there is a drop In

A. calcium

B. iron

C. sodium

D. phosphorus

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4

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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4

Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called

A. Rickets

B. Beriberi

C. Xerophthalmia

D. Sterility

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4

The specific gravity of blood is

A. lower than water

B. higher than water

C. same as water

D. many times that of water