Question # 1

Absorption of blue light is maximum at

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430 nm

550 nm

750 nm

670 nm

The breaking of terminal phosphate of ATP releases energy of about.

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4.5 Kcal

6.5 Kcal

7.3 Kcal

3.7 Kcal

Haem portion of hemoglobin is also a porphyria ring but containing an iron atom instead of.

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Nitrogen atom

Sulpher atom

Magnesium atom

Potassium atom

Pyruvic acid is produced as a result of.

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Glycolysis

ETC cycle

Calvin cycle

Krebs cycle

From one pyruvate passing through Kreb's cycle FADH2 molecules are formed.

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1

2

3

4

Quantitative study of energy relationship in biological system is called.

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Bioenergetics

Biodegradation

Biosynthesis

Biotechnology

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

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Respiration

Photosynthesis

Growth

Development

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

Which one is not the phase of Calvin cycle.

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Carbon fixation

Reduction

Regeneration of CO2 acceptor

Phosphorylation

Glycolysis is the break down of

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Fructose

Glucose

Lactose

Maltose

The first action spectrum was obtained by.

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T.W. Engelmann

Van Neil

Melvin Calvia

Ernst Haeckel

Calvin cycle is also known as

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C1 Pathway

C2 pathway

C3 Pathway

C4 Pathway

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

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02

03

04

05

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

When a green plant performs photosynthesis at it maximum rate

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The rate of water loss in high

The water content of the plant will be low

The energy content of the plant will be low

The energy content will be unaffected

Which metal atom is present in chlorophyll.

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Cu

Fe

Mg

K

The product of succinic acid by the action of enzyme is.

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Citric acid

Pyruvic acid

Malonic acid

Fumaric Acid

chlorophylls are insoluble in.

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Alcohol

Acetone

Carbon tetra chloride

Water

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Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers

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