Question # 1

Which one of the following is not concerned with oxidative phosphorylation.

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Co enzyme Q

Cytochrome b

Cytochrome a3

Plastocyanin

Which metal atom is present in chlorophyll.

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Cu

Fe

Mg

K

Oxygen released during photosynthesis comes from.

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Nitrates

Carbon di oxide

Water

Glucose

The moment of plants when carbon di oxide required by photosynthesis is termed as.

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Compensation point

Homeostasis

Chemisoris

Action spectrum

Thylakoid membrane are involved is ATP synthesis by a process known as.

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Photolysis

Chemiosmosis

Redox process

Glycolysis

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

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Tissue

Organ

System

Organdies

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

Carbon dioxide enters the leaves through

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Stomata

Stroma

Gurad cells

Cuticle

From one pyruvate passing through Krebs cycle how many FADH2 molecules are formed.

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01

02

03

04

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

One of the following is not an accessory pigment.

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chlorophyll 'a'

Xanthophyll

Carotenes

Chlorophyll 'b'

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

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Photosynthesis

Chemiosmosis

Dark reaction

Photosynthesis

The mechanism for ATP synthesis is

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Chemosynthesis

Photosynthesis

Chemiosmosis

Phosphorylation

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

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

Absorption of blue light is maximum at

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430 nm

550 nm

750 nm

670 nm

Pyruvic acid the end product of glycolysis before entering the krebs cycle is changed into a two carbon compound.

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Citric acid

Acetic acid

succinic acid

None of these

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Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers

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