Question # 1

_____________is the basic and smallest unit of classification.

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Species

Genus

Class

Order

Exchange of materials between blood and surrounding tissues occurs in:

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Arteries

Veins

Capillaries

All of these

Examples of protists are _____________

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Protozoan

Euglena

Bacteria

Bath a & b

Rough endoplasmic reticulum is the area in a cell where_______are synthesized.

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Saccharomyces

Proteins

Lipids

DNA

Rickets develops due to deficiency of _____________ vitamin.

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B

A

D

C

Dalk reaction takes place in the .......... of chloroplasts.

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Grana

Strome

Intergrana

All

Pyruvic acid is produced in ______ respiration:

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Aeorbic

Anaerobic

Both aerobic and anaerobic

None of these

Which of the following may be the correct way of writing the scientific name of an organism?

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Canis lupis

Saccharum

Grant's gazelle

E.Coli

Blood is composed of ................. parts.

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One

Two

Three

fOUR

Which one of the following is specific in action ?

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Catalyst

Enzyme

Both

None

Biodiversity means :

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Variety with in a species

Variety among the species

Variety within a species and among the species

None of these

What do some bones produce?

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Mucous

Harmones

Oxygen

Blood cells

A recovery of one of paper can save how many trees?

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17

170

200

1000

When we eat the onion, our trophic level is

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Primary consumer

Secondary consumer

Decomposer

Producers

One of the drugs derived from minerals.

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Aspirin

Opium

Iodine tincture

Streptomycin

DNA is surronded by a protein and form a structure called:

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Nucleotide

Nucleoside

Nucleosome

Nucleus

Which one of the example of abiotic factor?

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Decomposoer

Light

Water

Soil

The materials flow forms one trophic level to the next by means of:

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food chains

food webs

energy pyramids

both A and B

Elastic cartilage is found in:

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In Larynx

In Trachea

In Bronchial tubes

In Epiglototis

Ribisome reads the sequence of mRNA nucleotides and joins specific amino acids to form protein. This step is known as:

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Combination

Replication

Transcription

Translation

_________ are sensitive to dim light.

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Rods

Cones

Retina

Cornea

Paracitamol is:

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Sedative

Analgesics

Antibiotics

Vaccines

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