Which enzyme is used in converting bicarbonate ion to oxaloacetate?

Phosphoenolpyruvate dehydrogenase

Phosphoenolpyruvate hydrogenase

Phosphoenolpyruvate carboxylase

Phosphoenolpyruvate dehydrogenase

What is the enzyme used in the conversion of pyruvate to phosphoenolpyruvate?

Pyruvate monophosphate reductase

Pyruvate monophosphate dikinase

Pyruvate orthophosphate dikinase

Pyruvate monophosphate reductase

Pyruvate orthophosphate reductase

72 + Mcqs in Structure and Function – Plants in BITSAT Page 1 McqOptions

1.	Which of the following plants undergo CAM photosynthesis?
A.	Cactus
B.	Sugarcane
C.	Corn
D.	Wheat
Answer» B. Sugarcane

Discussion

2.	What is the final product of the C4 cycle?
A.	Aspartate
B.	Malate
C.	Oxalate
D.	Acetate
Answer» C. Oxalate

Discussion

3.	How many aquatic plant genera can undergo CAM photosynthesis?
A.	4
B.	5
C.	6
D.	7
Answer» B. 5

Discussion

4.	The CAM pathway starts at daytime.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» C. May be True or False

Discussion

5.	Which of the following leaf anatomy is a characterization of C4 plants?
A.	Piezo anatomy
B.	Norman anatomy
C.	Kranz anatomy
D.	Richard anatomy
Answer» D. Richard anatomy

Discussion

6.	Where does the C4 pathway take place?
A.	Bundle sheath
B.	Xylem
C.	Mesophylls
D.	Phloem
Answer» D. Phloem

Discussion

7.	Where is the malate stored in CAM plants?
A.	Chloroplast
B.	Mitochondria
C.	Vacuoles
D.	Endoplasmic reticulum
Answer» D. Endoplasmic reticulum

Discussion

8.	Which enzyme plays the role of a catalyst in CO₂ fixation in C4 plants?
A.	Carbonic mutase
B.	Carbonic reductase
C.	Carbonic anhydrase
D.	Carbonic dehydrogenase
Answer» D. Carbonic dehydrogenase

Discussion

9.	Which of the following organisms has photosynthetic pigments in it?
A.	Yeast
B.	Nitrosomonas
C.	Spirulina
D.	Phosphobacter
Answer» D. Phosphobacter

Discussion

10.	The number of chloroplasts found in Arabidopsis thaliana is _____________
A.	100
B.	150
C.	50
D.	200
Answer» B. 150

Discussion

11.	Which pigment is responsible for the process of sunlight?
A.	Chlorophyll a
B.	Chlorophyll b
C.	Xanthophyll
D.	Anthocyanin
Answer» B. Chlorophyll b

Discussion

12.	The sunlight is captured by the membrane of thylakoids.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» B. False

Discussion

13.	Which atoms are present in the porphyrin of a chlorophyll molecule?
A.	iron
B.	magnesium
C.	calcium
D.	sulphur
Answer» C. calcium

Discussion

14.	Which part of the chlorophyll is responsible for absorption of light?
A.	hydrophobic phytol chain
B.	porphyrin ring
C.	thylakoid membrane
D.	outer membrane
Answer» C. thylakoid membrane

Discussion

15.	Pigments absorb light of particular wavelengths.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» B. False

Discussion

16.	The CAM plants undergo daytime acidification and nighttime deacidification.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» C. May be True or False

Discussion

17.	Which enzyme is used to convert oxaloacetate to malate?
A.	Malate dehydrogenase
B.	Malate hydrolase
C.	Malate carboxylase
D.	Malate dehydratase
Answer» B. Malate hydrolase

Discussion

18.	Carotenoids dissipate absorbed energy as heat.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» B. False

Discussion

19.	Which redox-regulated protein controls the functioning of Calvin cycle?
A.	CP4
B.	CP8
C.	CP12
D.	CP16
Answer» D. CP16

Discussion

20.	C4 pathway uses 5 ATP molecules and 4 NADPH molecules as the energy source.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» C. May be True or False

Discussion

21.	Which pigment constitutes majorly in absorbing sunlight for photosynthesis?
A.	Chlorophyll a
B.	Chlorophyll b
C.	Xanthophyll
D.	Anthocyanin
Answer» C. Xanthophyll

Discussion

22.	Which enzyme is used in converting bicarbonate ion to oxaloacetate?
A.	Phosphoenolpyruvate reductase
B.	Phosphoenolpyruvate hydrogenase
C.	Phosphoenolpyruvate carboxylase
D.	Phosphoenolpyruvate dehydrogenase
Answer» D. Phosphoenolpyruvate dehydrogenase

Discussion

23.	Which of the following is an example of C4 plants?
A.	Sugarcane
B.	Wheat
C.	Rice
D.	Cactus
Answer» B. Wheat

Discussion

24.	The C4 plants grow in the cold climate places.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» C. May be True or False

Discussion

25.	What are carotenoids?
A.	pigments
B.	cell organelles
C.	terrestrial plants
D.	granulated thylakoids
Answer» B. cell organelles

Discussion

26.	Who discovered C4 cycle?
A.	Hatch and Slack
B.	Kolliker
C.	Robert Brown
D.	Rudolph Markus
Answer» B. Kolliker

Discussion

27.	What is the enzyme used in the conversion of pyruvate to phosphoenolpyruvate?
A.	Pyruvate monophosphate dikinase
B.	Pyruvate orthophosphate dikinase
C.	Pyruvate monophosphate reductase
D.	Pyruvate orthophosphate reductase
Answer» C. Pyruvate monophosphate reductase

Discussion

28.	The total carbon dioxide fixation done by the C4 plants is _________
A.	3%
B.	13%
C.	23%
D.	33%
Answer» D. 33%

Discussion

29.	What is the chemical formula for oxaloacetic acid?
A.	C₄H₃O₅
B.	C₄H₄O₅
C.	C₄H₄O₆
D.	C₃H₄O₅
Answer» C. C₄H₄O₆

Discussion

30.	How many times should the Calvin cycle happen, in order to obtain one glucose molecule?
A.	2
B.	4
C.	3
D.	6
Answer» E.

Discussion

31.	Which of the following contains a linear system of conjugated double bonds?
A.	β-carotene
B.	chlorophyll
C.	chloroplast
D.	thylakoid
Answer» B. chlorophyll

Discussion

32.	Who first discovered chloroplast?
A.	J Rhodin
B.	Robert Porter
C.	Camillo Golgi
D.	Konstantin Mereschkowski
Answer» E.

Discussion

33.	What is the diameter of a chloroplast?
A.	1 – 2 micrometer
B.	2 – 4 micrometer
C.	4 – 6 micrometer
D.	6 – 10 micrometer
Answer» D. 6 – 10 micrometer

Discussion

34.	The mass of chloroplast DNA is __________
A.	10 – 15 million daltons
B.	50 – 100 million daltons
C.	80 – 130 million daltons
D.	25 – 125 million daltons
Answer» D. 25 – 125 million daltons

Discussion

35.	Which of the following type of spectrum is a plot of efficiency of different types of wavelengths in bringing about the photosynthesis?
A.	absorption spectrum
B.	action spectrum
C.	efficiency spectrum
D.	reflection spectrum
Answer» C. efficiency spectrum

Discussion

36.	What is the name of the book written by Jan Ingenhousz, which explains the basis of photosynthesis?
A.	Experiments upon Fruits
B.	Experiments upon Vegetables
C.	Experiments upon Plants
D.	Experiments upon Animals
Answer» C. Experiments upon Plants

Discussion

37.	Photosystem II happens before photosystem I.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» B. False

Discussion

38.	Which of the following amino acid is helpful in the synthesis of plastoquinone?
A.	Valine
B.	Isoleucine
C.	Leucine
D.	Tyrosine
Answer» E.

Discussion

39.	What is the other name of Plastoquinol – plastocyanin reductase?
A.	Cytochrome b₄f complex
B.	Cytochrome b₅f complex
C.	Cytochrome b₆f complex
D.	Cytochrome b₅g complex
Answer» D. Cytochrome b₅g complex

Discussion

40.	What is the maximum wavelength of light photosystem II can absorb?
A.	680nm
B.	450nm
C.	700nm
D.	230nm
Answer» B. 450nm

Discussion

41.	In which part of the plant, does photosynthesis takes place?
A.	Peroxisomes
B.	Glyoxisomes
C.	Quantosomes
D.	Lysosomes
Answer» D. Lysosomes

Discussion

42.	Which pigment protects the photosystem from ultraviolet radiation?
A.	Chlorophyll a
B.	Chlorophyll b
C.	Carotenoids
D.	Anthocyanin
Answer» D. Anthocyanin

Discussion

43.	What is the chemical formula of chlorophyll a?
A.	C₄₅H₇₂MgN₄O₅
B.	C₅₅H₇₂MgN₄O₅
C.	C₅₅H₇₂MnN₄O₅
D.	C₄₅H₇₂MnN₄O₅
Answer» C. C₅₅H₇₂MnN₄O₅

Discussion

44.	Chloroplast divide by binary fission.
A.	True
B.	False
C.	May be True or False
D.	Can't say
Answer» B. False

Discussion

45.	What disease is caused by the dysfunction of chloroplast?
A.	Leaf spot
B.	Blight spot
C.	Leaf variegation
D.	Powdery mildew
Answer» D. Powdery mildew

Discussion

46.	The site of photophosphorylation is __________
A.	Chloroplast
B.	Mitochondria
C.	Endoplasmic reticulum
D.	Nucleus
Answer» B. Mitochondria

Discussion

47.	Which enzyme helps in the flow of protons from the thylakoid to the stroma?
A.	ADP synthase
B.	ATP synthase
C.	ADP hydrolase
D.	ADP hydrolase
Answer» C. ADP hydrolase

Discussion

48.	Which of the following organisms contain Chlorosome?
A.	Green Sulphur bacteria
B.	Blue green bacteria
C.	Purple bacteria
D.	Plant cells
Answer» B. Blue green bacteria

Discussion

49.	How many micromoles of CO₂ is fixed per milligram of chloroplast in an hour?
A.	2.5
B.	3
C.	3.5
D.	4
Answer» D. 4

Discussion

50.	Which of the following organisms lack photophosphorylation?
A.	Algae
B.	Cyanobacteria
C.	Plants
D.	Yeast
Answer» E.

Discussion

Explore topic-wise MCQs in BITSAT.

Which of the following plants undergo CAM photosynthesis?

What is the final product of the C4 cycle?

How many aquatic plant genera can undergo CAM photosynthesis?

The CAM pathway starts at daytime.

Which of the following leaf anatomy is a characterization of C4 plants?

Where does the C4 pathway take place?

Where is the malate stored in CAM plants?

Which enzyme plays the role of a catalyst in CO₂ fixation in C4 plants?

Which of the following organisms has photosynthetic pigments in it?

The number of chloroplasts found in Arabidopsis thaliana is _____________

Which pigment is responsible for the process of sunlight?

The sunlight is captured by the membrane of thylakoids.

Which atoms are present in the porphyrin of a chlorophyll molecule?

Which part of the chlorophyll is responsible for absorption of light?

Pigments absorb light of particular wavelengths.

The CAM plants undergo daytime acidification and nighttime deacidification.

Which enzyme is used to convert oxaloacetate to malate?

Carotenoids dissipate absorbed energy as heat.

Which redox-regulated protein controls the functioning of Calvin cycle?

C4 pathway uses 5 ATP molecules and 4 NADPH molecules as the energy source.

Which pigment constitutes majorly in absorbing sunlight for photosynthesis?

Which enzyme is used in converting bicarbonate ion to oxaloacetate?

Which of the following is an example of C4 plants?

The C4 plants grow in the cold climate places.

What are carotenoids?

Who discovered C4 cycle?

What is the enzyme used in the conversion of pyruvate to phosphoenolpyruvate?

The total carbon dioxide fixation done by the C4 plants is _________

What is the chemical formula for oxaloacetic acid?

How many times should the Calvin cycle happen, in order to obtain one glucose molecule?

Which of the following contains a linear system of conjugated double bonds?

Who first discovered chloroplast?

What is the diameter of a chloroplast?

The mass of chloroplast DNA is __________

Which of the following type of spectrum is a plot of efficiency of different types of wavelengths in bringing about the photosynthesis?

What is the name of the book written by Jan Ingenhousz, which explains the basis of photosynthesis?

Photosystem II happens before photosystem I.

Which of the following amino acid is helpful in the synthesis of plastoquinone?

What is the other name of Plastoquinol – plastocyanin reductase?

What is the maximum wavelength of light photosystem II can absorb?

In which part of the plant, does photosynthesis takes place?

Which pigment protects the photosystem from ultraviolet radiation?

What is the chemical formula of chlorophyll a?

Chloroplast divide by binary fission.

What disease is caused by the dysfunction of chloroplast?

The site of photophosphorylation is __________

Which enzyme helps in the flow of protons from the thylakoid to the stroma?

Which of the following organisms contain Chlorosome?

How many micromoles of CO₂ is fixed per milligram of chloroplast in an hour?

Which of the following organisms lack photophosphorylation?