Question # 1

Biodiversity is the source of:

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Food

Fibers

Rubber and oil

All of these

Which one of the following sequences shows the correct hierarchy of classification, going from the smaller to the bigger group?

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Kingdom, phylum, Order, Class, Family, Genus, Species

Kingdom, Phylum, Class, Order, Family, Genus, Species

Genus, Species, Kingdom, Phylum, Order, Family

Species, Genus, Family, Order, Class, Phylum, Kingdom

Inactive pepsinogen in juice require ___________ for its activated form (pepsin)

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H2SO4

HCl

HNO3

Saliva

The protein envelope of a bacteriophageis called _____________

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Capsid

Cell wall

Cell membrane

All of above

Prolonged Vitamins A deficiency can lead to ................... blindness.

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Day

Night

Both

None

Jabir Bin Hayan was born in.

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Iraq

Iran

Pakistan

England

In the stomach, pepsinogen is converted into;

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Pepsin

Bicarbonate

HCI

Gastrin

There are_______________chromosomes in radish.

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46

18

16

23

Horticulture belong to.

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Gardening

Poultry

Fishries

Modicine

Nucleus is visible only in:

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Prophase

Interphase

Anaphase

Metaphase

Capillaries are ............ micrometer in diameter.

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7-8 micrometer

8-10 micrometer

8-14 micrometer

7-10 micrometer

The type of environment in which a particular species lives is called.

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Ecosystem

Habitat

Biosphere

Community

The tube between kidney and urinary bladder is the.

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Ureter

Urethra

Renal tubule

Nephron

Which organ filter the blood.

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Intestine

Kidney

Stomach

Brain

The sequence of components of a coordinate action is:

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stimulus→ receptors→ coordinator→ response→ effector

receptor→ effector→ stimulus→ receptor→ response

effector→ response→ stimulus→ effector→ receptor

stimulus→ receptor→ co-ordinator→ effector → response

The drug which is obtanied from animals is.

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Morphine

Aspririn

Antitoxins

Tuncher iodine

Amount of Urea in normal chemical composition is.

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9.3 g/l

1.87 g/l

1.17 g/l

0.75 g/l

The allele which is nto expressed in F₁ generation is called:

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Dominant

Recessive

Mutant

Selected

A disease involving the breakdown of air sacs of the lungs is:

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Bronchitis

emphysemsa

pneumonia

asthma

Organisms in the ecosystem that are responisble for recycling of plant and animal wastes are:

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Producers

Consumers

Decomposers

Compititors

The drugs used to reduce the pain are called.

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Analgesics

Antiseptics

Antibiotics

Sedatives

The study of the ralationship between orgaisms and their environment called:

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Biology

Microbiology

Ecology

Genetics

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