Question # 1

When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and

Choose an answer

Acetyl CoA

Ethyl alcohol

Lactate

Pyruvate

Haem portion of hemoglobin is same to porphyrin ring with a difference of.

Choose an answer

Carbon atom

Hydrogen atom

Iron atom

Oxygen atom

Plastocyanin protein contains.

Choose an answer

Iron

copper

Potassium

Magnesium

Glycolysis

Choose an answer

Produces no ATP

It is same as fermentation

Takes place in the mitochondria

Reduces two molecules of NAD⁺For every glucose molecule processed

The citric acid cycle

Choose an answer

Takes place in the mitochondrion

Produces two molecules of NAD⁺for every glucose molecule processed

It is same as fermentation

Has no connection with the respiratory chain

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

Choose an answer

Photosynthesis

Chemiosmosis

Dark reaction

Photosynthesis

chlorophylls are insoluble in.

Choose an answer

Alcohol

Acetone

Carbon tetra chloride

Water

Before pyruvate enters the citric acid cycle, it is decarboxylated, oxidized and combined with coenzyme A forming acetyl CoA, carbon dioxide and one molecule of

Choose an answer

NADH

FADH₂

ATP

ADP

Oxygen released during photosynthesis comes from.

Choose an answer

Nitrates

Carbon di oxide

Water

Glucose

Van Niel hypothesized that source of oxygen during photosynthesis is.

Choose an answer

Water

NADP

Chlorophyll

Carbon di oxide

Carbon fixation refers to the initial incorporation of

Choose an answer

Carbon

Oxygen

CO₂

Hydrogen

The dark reaction occurs in.

Choose an answer

Cytoplasm

chloroplast

Stroma

Grana

The first action spectrum was obtained by.

Choose an answer

T.W. Engelmann

Van Neil

Melvin Calvia

Ernst Haeckel

During respiratory chain co enzyme Q is oxidized.

Choose an answer

Cytochrome a

Cytochrome b

Cytochrome c

Cytochrome a3

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

Choose an answer

Citric acid

Pyruvic acid

Malonic acid

Fumaric Acid

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

Choose an answer

Active acetate

Furnarate

Pyruvic acid

Alpha ketoglutarate

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

Choose an answer

Respiration

Chemiosmosis

Conduction

Calvin cycle

Chlorophyll 'a' of photosystem I absorbs maximum light of.

Choose an answer

670 nm

700 nm

680 nm

690 nm

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