Question # 1

There are about ............. to ........ enzymes in cell.

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1000-2000

1000-2050

2000-6000

2000-3000

The cells which can divide in plants are:

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Sclerenchyma cells

Collenchyma cells

Parenchyma cells

Meristematic cells

Rickets develops due to deficiency of _____________ vitamin.

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B

A

D

C

Which one of these in "not" a characteristic of hypothesis?

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Must be consistent with all available data

Must be testable

Must be correct

Must predictions

the division of cytoplasm is called ............. .

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Karyokinesis

Cytokinesis

Anaohase

Telophase

Arteries can be divided into ........... types.

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Two

Three

Four

Five

______________ is an inorganic compound of carbon which have poor energy value.

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Glucose

ATP

CO₂

NADPH

In every proportion of two ratios are

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Two terms

Three terms

Four terms

Five terms

During which phase of mitosis spindles are formed?

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G2

Interphase

Prophase

Metaphase

Classes are grouped into ____________

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Phylaum

Order

Class

Kingdom

The term wildlife covers ____________

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All non-cultivated

All non domesticated

Both a & b

None

Bacterium (E.coli) which prepares human growth hormones was Synthesized in:

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1980

1910

1970

1977

Planaria reproduces asexually by

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budding

binary fission

parthenogenesis

spore formation

Which one of the following is not a temporary parasite?

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Mosquito

Virus

Leech

Bed bug

How many ureters take part in human excetory system:

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two

one

three

five

The base of food chain is always formed by:

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Producers

Consumers

Decomposrs

Heterotrophs

Enzyme used to cut the identified gene from the total DNA of Donor organisms is.

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Endonuclease

Ligase

Restriction Endonuclease

Amylase

Enzyme is used to cut the adentified gene from the total DNA of Donar organism is:

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Endonuclease

Ligase

Restriction endonuclease

Amylase

Which scientist discovered the antibiotic penicilin?

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Joseph Lister

Sir Alexander Fleming

Lan Wilmut

Edward Jenner

The number of drug addicts in Pakistan's currently to be about.

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200000

300000

400000

500000

The first step of genetic engineering is:

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Growth of the genetically modified organism

Transfer of the recombinant DNA into the host organism

Isolation of the gene of interest

Insertion of gene into a vector.

The gas produced in mesophyll cells as by product during day time is called.

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Oxygen

Carbon dioxide

Nitrogen

Chlorine

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