Free MCQs & Online Quiz Practice for Exams

Q: The number of ATP formed directly by a single Krebs cycle (ETEA 2012)

A) One ATP

B) Two ATP

C) 32 ATP

D) 36 ATP

Q: Chlorophyll a and b chiefly absorb (ETEA 2012)

A) Violet-blue light

B) Orange light

C) Blue-red light

D) Red-orange light

Q: The pigments of chlorophyll-a b and carotenoids are present in (ETEA 2013)

A) Stroma

B) Grana

C) Thylakoid membrane

D) Crista

Q: In chlorophyll-b the porphyrin ring is attached to the (ETEA 2013)

A) Methyl group

B) Carboxyl group

C) Aldehyde group

D) Hydroxyl group

Q: The center of porphyrin ring of hemoglobin is occupied by (ETEA 2013)

A) Magnesium

B) Sodium

C) Iron

D) Potassium

Q: Cristae of mitochondria are the sites of (ETEA 2013)

A) Electron transport chains

B) Photophosphorylation

C) Krebs cycle

D) Glycolysis

Q: Stroma of chloroplasts carries the fixation of (ETEA 2013)

A) N₂

B) O₂

C) CO₂

D) NH₃

Q: Photophosphorylation is (ETEA 2014)

A) ATP synthesis by food energy

B) ATP synthesis by solar energy

C) ATP synthesis by source of water

D) ATP synthesis by source of NADH

Q: Light absorbing pigments in photosystem-I is (ETEA 2014)

A) P600

B) P680

C) P700

D) P760

Q: Accessory pigments are (ETEA 2014)

A) Red-yellow-green

B) Red-orange-blue

C) Orange-blue-green

D) Red-orange-yellow

Q: Chemiosmosis occurs in the (ETEA 2014)

A) Grana

B) Stroma

C) Thylakoids

D) Inter-grana

Q: The product of light independent reactions is (ETEA 2014)

A) RUBP+ATP

B) RUBP+PGAL

C) PGAL+ATP

D) NADH₂+ATP

Q: Chlorophyll is protected from intense light by (ETEA 2014)

A) Photochrome

B) Phytoxinin

C) Phytocyanin

D) Carotenoids

Q: Carotenoid pigments are (ETEA 2015)

A) Yellow red green blue

B) Orange yellow red brown

C) Green yellow blue brown

D) Blue red green yellow

Q: Excited electrons from photosystem-II are captured by (ETEA 2015)

A) PC

B) PQ

C) Cytochrome-b

D) Cytochrome-f

Q: The product of light reaction travels from (ETEA 2015)

A) Cristae to stroma

B) Stroma to grana

C) Grana to cristae

D) Grana to stroma

Q: 6 NADH can yield (ETEA 2015)

A) 12 ATP

B) 36 ATP

C) 18 ATP

D) 32 ATP

Q: Photo-respiration can generate (ETEA 2015)

A) 36 ATP

B) No ATP

C) 4 ATP

D) 32 ATP

Q: Dark reaction gets completed by the regeneration of (ETEA 2015)

A) PGA

B) PGAL

C) RUBP

D) RUBISCO

Q: Pigment combination of carotenoid is (ETEA 2016)

A) Blue green brown or red

B) Orange yellow blue or brown

C) Yellow orange red or brown

D) Blue red orange or brown