Nucleus was first discovered by

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Nucleus was first discovered by

A. Porter

B. Robert Brown

C. Palade

D. None of these

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Organisms that live in the deep sea are mainly

A. Herbivores

B. Carnivores

C. Detritivores

D. None of the above

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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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Who discovered the electron microscope?

A. Knoll and Ruska

B. Rudolf and Kolliker

C. Robert Hooke

D. CP Swanson

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The theory of use and disuse was used to explain evolution by

A. Lamarck

B. Darwin

C. De Vries

D. Wallace

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The human heart is

A. Neurogenic heart

B. Myogenic heart

C. Pulsating heart

D. Ampullary heart

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When a movement of a plant organ is stimulated by contact with an object, it is termed

A. heliotropism

B. geotropism

C. haptotropism

D. gardening

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Chlorosis is the phenomenon where leaves have

A. more chlorophyll

B. less chlorophyll

C. no chlorophyll

D. patches of chlorophyll

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One of the following is called a feminine hormone. Which one is it?

A. Oestrogen

B. Testosterone

C. Pituitrin

D. Thyroxine

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Development without fertilization is called

A. parthenogenesis

B. asexual reproduction

C. sporulation

D. budding

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Diabetes is caused by

A. fall in insulin level

B. increase in insulin level

C. eating too much sugar

D. decrease in glucose

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The scientist who discovered the blood groups is

A. Landsteiner

B. TH Morgan

C. William Harvey

D. Darwin

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Blood of cockroach is

A. red

B. bluish

C. greenish

D. colourless

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Late blight of potato is caused by

A. Puccinia

B. Pennisetum

C. Phytophthora

D. Erysiphe

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Milk fever in cows occurs due to lack of

A. Phosphates

B. Calcium

C. Iron

D. Iodine

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Stripes on the bodies of animals Indicate

A. mating habit

B. food habit

C. cave dwelling

D. matching of skin colour with the surroundings

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Oparin is known for his hypothesis on

A. origin of species

B. origin of life

C. one germ one disease

D. one gene one enzyme

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Haemoglobin is dissolved in the plasma of

A. frog

B. fish

C. man

D. earthworm

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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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Which of the following diseases is water borne?

A. Cholera

B. Malaria

C. Filiariasis

D. None of the above

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Plants growing in sunlight are called

A. sciophytes

B. hydrophytes

C. xerophytes

D. heliophytes

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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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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 tear glands help us in

A. sobbing

B. protecting the eye

C. preventing dust

D. providing a clean moist surface

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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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Nephantis is popularly called

A. coconut caterpillar

B. brown plant hopper

C. tobacco caterpillar

D. pulse beetle

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What are the symptoms of 'Pellagra'?

A. Colour blindness

B. Rickets

C. Patches of skin

D. Soft bones

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Who considered evolution as due to mutation?

A. Charles Darwin

B. Lamarck

C. Hugo de Vries

D. Cuvier

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Compared to the veins, the walls of arteries are

A. thicker

B. thinner

C. similar

D. very much thinner

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Carbohydrates are mainly needed for

A. growth

B. immunity

C. repair

D. energy

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If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?

A. A

B. AB

C. O

D. Both (a) and (c)

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Accepted Answer

B. Robert Brown

Nucleus was first discovered by

Correct Answer :

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The human heart is

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The tear glands help us in

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Nephantis is popularly called

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Who considered evolution as due to mutation?

Compared to the veins, the walls of arteries are

Carbohydrates are mainly needed for

If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?

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