Question # 1

The enzyme cuts the DNA fragment with two ends

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Sticky ends

Blunt ends

Both A and B

None

Charles Darwin observed and collected thousands of specimens of diverse faunas and floras of

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South America

Asia

Western America

Europe

When Cocci occur in pairs then arrangement is called

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Diplococcus

Staphylococcus

Sarcina

All of above

Mendel cross-fertilized a true breeding rounded seed male plant with a true breeding wrinkled seeded female plant he called it a

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First parental generation

First filial generation

2nd filial generation

All of above

Bryophytes are mainly confined to

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Damp shady places

Dry places

Aquatic

None

The thin hair like appendages in bacteria is made up of protein

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Chitin

Flagellum

Pilin

Fibrogen

Mendel choose a pea plants for genetical purpose because of the

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Easily cultivation

Numerous varieties

Generation time is reasonably short

All of above

Sporogenesis is the formation of

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Egg

Sperms

Spores

Embryo

The instrument that is used ti measure the relative abilities of different pigments to absorb different wavelengths of light is

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Viscometer

Thermometer

Spectrophotometer

Electrometer

The term ecology comes from the word oikos which is a word

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Greek

Italic

Latin

French

Which is an organic molecule

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Glucose

Amino acids

Nucleotides

All of above

Which statement about prokaryotic cells is true

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Prokaryotes have a definite nucleus

They are modern type of cells

Fungi and protista included in prokaryotes

Their nuclear material is directly submerged in the cytoplasm

Different alleles of a gene that are both expressed in a heterozygous condition are called

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Co dominance

Incomplete dominance

Over dominane

Complete dominance

Cytochromes contain a pigment

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Magnesium

Sulphur

Phosphorus

Iron

Plasmids are extra circular DNA molecules having genes for

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Antibiotic resistance

Fertility

Both A and B

None

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