Question # 1

Carbon fixation refers to the initial incorporation of

Choose an answer

Carbon

Oxygen

CO₂

Hydrogen

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

Choose an answer

Respiration

Chemiosmosis

Conduction

Calvin cycle

The dark reaction occurs in.

Choose an answer

Cytoplasm

chloroplast

Stroma

Grana

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

Choose an answer

Citric acid

Acetic acid

succinic acid

None of these

The first step of krebs cycle is union of acetyl co A with oxaloacetate to form.

Choose an answer

Isocitrate

Citrate

Malate

Alpha ketoglutarate

Which statement about oxidative phosphorylation is not true

Choose an answer

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

Magnesium of chlorophyll is replaced in hemoglobin by.

Choose an answer

Calcium

Iron

Potassium

Phosphorus

Plastocyanin protein contains.

Choose an answer

Iron

copper

Potassium

Magnesium

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

Chlorophyll molecule contains except.

Choose an answer

Magnesium

Iron

Calcium

Phosphorus

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

Choose an answer

02

03

04

05

Absorption of blue light is maximum at

Choose an answer

430 nm

550 nm

750 nm

670 nm

the hypothesis that plants split water as a source of hydrogen was given by.

Choose an answer

Van Niel

Kreb

Pasteur

Calvin

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

Choose an answer

Cell sap

Protein

Chlorophyll

Glucose

The percentage of photosynthesis carried out by terrestrial plants is about.

Choose an answer

10

20

30

40

Chlorophyll 'a' is

Choose an answer

Yellow green

Orange green

Blue green

Green black

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

Choose an answer

670 nm

700 nm

680 nm

690 nm

Photosynthetic pigments are the substances that absorb visible light having wave length.

Choose an answer

150-340 nm

230-450 nm

380-750 nm

350-780 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