Question # 1

The power house of the cell is

Choose an answer

Ribosome

RER

SER

Mitochondria

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

Choose an answer

Nitrogen atom

Sulpher atom

Magnesium atom

Potassium atom

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

Choose an answer

Photosynthesis

Chemiosmosis

Dark reaction

Photosynthesis

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

Choose an answer

1

2

3

4

Thylakoid membranes are involved in ATP synthesis by.

Choose an answer

Glycolysis

Dark reaction

Chemlosmosis

Photolysis

The mechanism for ATP synthesis is

Choose an answer

Chemosynthesis

Photosynthesis

Chemiosmosis

Phosphorylation

Acetic acid on entering the mitochondrion unites with co enzyme A to form

Choose an answer

Active acetate

Furnarate

Pyruvic acid

Alpha ketoglutarate

Accessory photosynthetic pigment xanthophyll's are

Choose an answer

Green in colour

Red in colour

Yellow in colour

None of these

In the absence of oxygen, yeast cells obtain energy by fermentation, producing CO3, ATP and.

Choose an answer

Acetyl CO-A

Ethanol

Lactate

Pyruvate

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

Choose an answer

Respiration

Chemiosmosis

Conduction

Calvin cycle

Engelmann used in his experiment in 1883

Choose an answer

sprogyra

Aerobic bacteria

Anaerobic bacteria

Both a and b

When a green plant performs photosynthesis at it maximum rate

Choose an answer

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 statement about the chemiosmotic mechanism is not true

Choose an answer

Protons return through the membrane by way of a channel protein

Proton are pumped across a membrane

Proton pumping is associated with the respiratory chain

Has no connection with the respiratory chain

End product of an aerobic respiration in yeast.

Choose an answer

Lactic acid

Methyl alcohol

Ethyl alcohol and CO2

Ethyl alcohol only

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

Choose an answer

Citric acid

Pyruvic acid

Malonic acid

Fumaric Acid

Carbon di oxide enters the leaves through.

Choose an answer

epidermis

Cuticle

Stomata

Air space

Chlorophyll molecule contains except.

Choose an answer

Magnesium

Iron

Calcium

Phosphorus

In respiratory chain NAHD is oxidized by

Choose an answer

Co factor

co enzyme

Cytochome 'b'

Cytochrome 'C'

More Classes

Other Links

Biology Fsc Part 1 Chapter 11 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer