Question # 1

Modern classification (binomial nomenclature) is based on the work of:

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Caesalpino

John Ray

Tournefort

Carolous Linnaeus

There are _________ P-bonds in an ATP molecule.

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Two

Nine

Six

Four

Phloem tissues are made up of:

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Tracheids & Vessel cells

Tracheid & companion cells

Sieve tube cells & companion cells

Sieve tube cells & trancheids

Who published important work on plants classification?

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John Ray

Andrea Caesalpino

Tournefort

Agustus Rivinu

Mendal experimented on ____________ plants.

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Potato

Pea

Rose

Pine

Which of the followings in not true about the opening and Closing of Stomata?

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Light helps in the opening and closing of stomata

K⁺ ions are responsible for the opening and closing of stomata

The osmosis of water is responsible for the opening and closing of stomata

None for these

Organelles assemble ot form

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Tissues

Systems

Organ

Cells

National animal of Pakistan is:

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Cow

Goat

Markhor

None of these

The first step in the cycle of an enzyme is;

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Substrate binds to enzyme

Substrate converted

Products released

Enzyme become free

Golgi bodies consist of ...................... .

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Stakes

Bags

Pockets

All

Plasma contains .................. % water.

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10%

7%

90%

2%

What may be the reason that children need more calcium and iron?

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Both calcium and iron for bones

Both calcium and iron for blood

Calcium for blood and iron for bones

Calcium for bones and iron for blood

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