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4

The bird that lays the largest egg is

A. crow

B. ostrich

C. cuckoo

D. eagle

Correct Answer :

B. ostrich


Related Questions

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Riboflavin is otherwise known as

A. vitamin B-complex

B. vitamin B2

C. vitamin A

D. vitamin E

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4

Haemophilia is a hereditary disease carried by

A. females and expressed by females

B. females and expressed by males

C. males and expressed by females

D. males and expressed by males

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4

Which among the following is the best source of proteins?

A. apples

B. butter

C. beans

D. fish

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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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4

Which of the following crops helps in nitrogen fixation?

A. Rice

B. Wheat

C. Maize

D. Beans

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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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Who discovered the electron microscope?

A. Knoll and Ruska

B. Rudolf and Kolliker

C. Robert Hooke

D. CP Swanson

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Saffron is the dried ________ of the saffron plant.

A. fruit

B. aril

C. stigmas and tops of styles

D. tender leaves and sprouts

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4

The cortex of human brain normally consists of

A. five billion, two hundred million cells

B. nine billion, two hundred million cells

C. six billion, two hundred million cells

D. eight billion, two hundred million cells

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4

The study of ecology with pyramids was invented by

A. Darwin

B. Elton

C. Odum

D. Joshua

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4

Blood of cockroach is

A. red

B. bluish

C. greenish

D. colourless

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A person with a blood group ____ is considered to be an universal donor.

A. A Positive

B. AB Positive

C. AB Negative

D. O Positive

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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

When does the heart start functioning?

A. At birth

B. After birth

C. Before birth

D. After a week from birth

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4

The rate of growth of plants can be measured by a/an

A. manometer

B. auxanometer

C. photometer

D. thermometer

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4

Chlorosis is the phenomenon where leaves have

A. more chlorophyll

B. less chlorophyll

C. no chlorophyll

D. patches of chlorophyll

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4

India's first transgenic crop was

A. Potato

B. Brinjal

C. Sugarcane

D. Bt cotton

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The plant that is dispersed with the help of water is

A. mango

B. coconut

C. teak

D. paddy

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4

Blood is

A. acidic

B. alkaline

C. neutral

D. like a buffer

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The valve between the right auricle and right ventricle is called

A. Tricuspid

B. Bicuspid

C. Monocuspid

D. Semilunar

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Eugenics is the application of genetics to improve

A. crop plants

B. fruit trees

C. cattle

D. human beings

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Origin of species was published by

A. Lamarck

B. Weismann

C. de Vries

D. Charles Darwin

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4

The tallest tree in the world Sequoia™ is found in

A. UK

B. USA

C. former USSR

D. China

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4

Fat present below the skin surface in our body acts as a barrier against

A. loss of heat from the body

B. loss of essential body fluids

C. loss of salts from the body

D. entry of harmful micro-organisms from the environment

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4

What do you mean by lentic biota?

A. Plants and animals in lakes and ponds

B. Plants and animals in forest

C. Plants and animals in sea water

D. Desert plants and animals

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4

The metallic part in haemoglobin is

A. Copper

B. Molybdenum

C. Nickel

D. Iron

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4

Hormones are carried from their place of production by

A. ducts

B. blood

C. lymph

D. muscus

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4

Xerophthalmia is a deficiency disease. Deficiency of _________ causes it.

A. vitamin A

B. vitamin B

C. vitamin C

D. vitamin E

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4

Dr Khorana's work relates to

A. synthesis of simple DNA

B. genetic code

C. reduction of mutation

D. synthesis of RNA from bacterial cell

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Typhoid is a disease caused by

A. virus

B. bactena

C. fungus

D. animal