Question # 1

Prosthetic by all enzymes :

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Required by all enzymes

Loosely attached with enzymes

Proteins In nature

Tightly bound to enzyme

Jabir Bin Hayan was born in.

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Iraq

Iran

Pakistan

England

.......... is the most abundant .

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Chlorophyll a

Chlorophyll b

Chlorophyll c

Chlorophyll d

The elements that makes 65% if tge titak nass if kuvubg irgabusns us,

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Oxygen

Nitrogen

Carbon

Hydrogen

Stomata close when the guard cells:

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Lose water

Gain chloride ions

Become turgid

Gain potassium ions

............... is an essential requirement of photosynthesis.

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CO2

H2O

O2

All

According to Binomial nomenclature the name of organism is composed of _____________ parts.

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Three

Four

Two

One

How many elements maek 99% of the total mass.

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Four

Six

Eight

Ten

Males with two Y chromosomes have more .................. tendensies.

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Citizenship

Criminal

Good

None

The grater the no. of stomata on leaf , the ............. would be transpiration.

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Higher

Lower

Remain constant

None

Enzymatic reactions are _______ of times faster than uncatalyzed reactions:

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Millions

Hundreds

Thousands

Billion

In experiments to show transpiration from lead surfaces cobalt chloride paper changes its colour from:

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Pink to blue

Blue to pink

Pink to colourless

Colourless to pink

.............. have no membrane bounded nucleus.

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Prokaryotic cells

Eukaryotic celss

Both

NOne

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