Question # 1

One of the accessory photosynthetic pigments carotenes are mostly.

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Green to yellow

Red to orange

Yellow to Orange

Orange and Red

Energy poor inorganic oxidized compounds are reduced to energy rich carbohydrates during.

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Respiration

Photosynthesis

Growth

Development

Conversion of one pyruvic acid into one acetyl Co A gives off one molecule of.

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ATP

Oxygen

Water

Carbon di oxide

The first in the Krebs cycle is the union of acetyl CoA with Oxaloacetate to form.

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Citrate

Fumarate

succinate

Acetate

The electron transport chain system play role in generation of ATP by.

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Photosynthesis

Chemiosmosis

Dark reaction

Photosynthesis

Magnesium is an important untrient ion in green plants as it is an essential component of

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Cell sap

Protein

Chlorophyll

Glucose

pH gradient drives the formation of ATP across membrane in the process called.

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Respiration

Chemiosmosis

Conduction

Calvin cycle

Pyruvic acid is formed from glucose in.

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Matrix of mitochondria

cytosol

Stroma

Chloroplast

Which is stimulus for cyclic phosphorylation.

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Low CO2

Low O2

Low ATP

Low NADPH

Carbon di oxide enters the leaves through.

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epidermis

Cuticle

Stomata

Air space

The first action spectrum was obtained by.

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T.W. Engelmann

Van Neil

Melvin Calvia

Ernst Haeckel

A group of similar cells that perform specific function is called.

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Tissue

Organ

System

Organdies

Which statement about oxidative phosphorylation is not true

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Its functions can be served equally well by fermentation

In eukaryotes, its takes place in mitochondria

It is brought about by the chemiosmotic mechanism

It is the formation of ATP during the operation of the respiratory chain

Co-enzyme Q is in turn oxidized by cytochrome

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a

a³

a²

b

Carbon dioxide enters the leaves through

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Stomata

Stroma

Gurad cells

Cuticle

The number of oxidation steps during one Krebs. cycle are.

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02

03

04

05

In the first step of citric acid cycle, acetyl CoA reacts with oxaloacetate to form

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Pyruvate

Citrate

NADH

ATP

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Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers

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