06. C3 and C4 Pathway
Photosynthesis in higher plants

238124 Which of the following characteristics out of $I$, II and III are exhibited by $\mathrm{C}_{4}$ plants?
I. Kranz anatomy.
II. The product of photosynthesis is oxalo acetic acid.
III. Both PEP carboxylase and ribulose-bis phosphate carboxylase act as carboxylating enzyme.
Choose the correct option:

1 I and II, but not III
2 II and III but not I
3 I and III, but not II
4 All of these
Photosynthesis in higher plants

238125 If ' $X$ ' molecules of ATP are utilised to produce one molecule of glucose during photosynthesis of a $C_{3}$-plant and ' $Y$ ' molecules of ATP are formed through substrate level phosphorylation during the breakdown of one molecule of glucose in aerobic respiration, then the ratio of ' $X$ ' and ' $Y$ ' is

1 $3: 1$
2 $5: 2$
3 $1: 1$
4 $2: 3$
Photosynthesis in higher plants

238134 Which one is a $\mathrm{C}_{4}$ - plant?

1 Papaya
2 Pea
3 Potato
4 Maize/corn
Photosynthesis in higher plants

238135 In $C_{4}$ plants, Calvin cycle operates in

1 stroma of bundle sheath chloroplasts
2 grana of bundle sheath chloroplasts
3 grana of mesophyll chloroplasts
4 stroma of mesophyll chloroplasts
Photosynthesis in higher plants

238136 $\mathrm{C}_{4}$ plants can absorb $\mathrm{CO}_{2}$ from

1 Its much low concentration
2 Its much high concentration
3 Carbonates
4 Bicarbonates
Photosynthesis in higher plants

238124 Which of the following characteristics out of $I$, II and III are exhibited by $\mathrm{C}_{4}$ plants?
I. Kranz anatomy.
II. The product of photosynthesis is oxalo acetic acid.
III. Both PEP carboxylase and ribulose-bis phosphate carboxylase act as carboxylating enzyme.
Choose the correct option:

1 I and II, but not III
2 II and III but not I
3 I and III, but not II
4 All of these
Photosynthesis in higher plants

238125 If ' $X$ ' molecules of ATP are utilised to produce one molecule of glucose during photosynthesis of a $C_{3}$-plant and ' $Y$ ' molecules of ATP are formed through substrate level phosphorylation during the breakdown of one molecule of glucose in aerobic respiration, then the ratio of ' $X$ ' and ' $Y$ ' is

1 $3: 1$
2 $5: 2$
3 $1: 1$
4 $2: 3$
Photosynthesis in higher plants

238134 Which one is a $\mathrm{C}_{4}$ - plant?

1 Papaya
2 Pea
3 Potato
4 Maize/corn
Photosynthesis in higher plants

238135 In $C_{4}$ plants, Calvin cycle operates in

1 stroma of bundle sheath chloroplasts
2 grana of bundle sheath chloroplasts
3 grana of mesophyll chloroplasts
4 stroma of mesophyll chloroplasts
Photosynthesis in higher plants

238136 $\mathrm{C}_{4}$ plants can absorb $\mathrm{CO}_{2}$ from

1 Its much low concentration
2 Its much high concentration
3 Carbonates
4 Bicarbonates
Photosynthesis in higher plants

238124 Which of the following characteristics out of $I$, II and III are exhibited by $\mathrm{C}_{4}$ plants?
I. Kranz anatomy.
II. The product of photosynthesis is oxalo acetic acid.
III. Both PEP carboxylase and ribulose-bis phosphate carboxylase act as carboxylating enzyme.
Choose the correct option:

1 I and II, but not III
2 II and III but not I
3 I and III, but not II
4 All of these
Photosynthesis in higher plants

238125 If ' $X$ ' molecules of ATP are utilised to produce one molecule of glucose during photosynthesis of a $C_{3}$-plant and ' $Y$ ' molecules of ATP are formed through substrate level phosphorylation during the breakdown of one molecule of glucose in aerobic respiration, then the ratio of ' $X$ ' and ' $Y$ ' is

1 $3: 1$
2 $5: 2$
3 $1: 1$
4 $2: 3$
Photosynthesis in higher plants

238134 Which one is a $\mathrm{C}_{4}$ - plant?

1 Papaya
2 Pea
3 Potato
4 Maize/corn
Photosynthesis in higher plants

238135 In $C_{4}$ plants, Calvin cycle operates in

1 stroma of bundle sheath chloroplasts
2 grana of bundle sheath chloroplasts
3 grana of mesophyll chloroplasts
4 stroma of mesophyll chloroplasts
Photosynthesis in higher plants

238136 $\mathrm{C}_{4}$ plants can absorb $\mathrm{CO}_{2}$ from

1 Its much low concentration
2 Its much high concentration
3 Carbonates
4 Bicarbonates
Photosynthesis in higher plants

238124 Which of the following characteristics out of $I$, II and III are exhibited by $\mathrm{C}_{4}$ plants?
I. Kranz anatomy.
II. The product of photosynthesis is oxalo acetic acid.
III. Both PEP carboxylase and ribulose-bis phosphate carboxylase act as carboxylating enzyme.
Choose the correct option:

1 I and II, but not III
2 II and III but not I
3 I and III, but not II
4 All of these
Photosynthesis in higher plants

238125 If ' $X$ ' molecules of ATP are utilised to produce one molecule of glucose during photosynthesis of a $C_{3}$-plant and ' $Y$ ' molecules of ATP are formed through substrate level phosphorylation during the breakdown of one molecule of glucose in aerobic respiration, then the ratio of ' $X$ ' and ' $Y$ ' is

1 $3: 1$
2 $5: 2$
3 $1: 1$
4 $2: 3$
Photosynthesis in higher plants

238134 Which one is a $\mathrm{C}_{4}$ - plant?

1 Papaya
2 Pea
3 Potato
4 Maize/corn
Photosynthesis in higher plants

238135 In $C_{4}$ plants, Calvin cycle operates in

1 stroma of bundle sheath chloroplasts
2 grana of bundle sheath chloroplasts
3 grana of mesophyll chloroplasts
4 stroma of mesophyll chloroplasts
Photosynthesis in higher plants

238136 $\mathrm{C}_{4}$ plants can absorb $\mathrm{CO}_{2}$ from

1 Its much low concentration
2 Its much high concentration
3 Carbonates
4 Bicarbonates
Photosynthesis in higher plants

238124 Which of the following characteristics out of $I$, II and III are exhibited by $\mathrm{C}_{4}$ plants?
I. Kranz anatomy.
II. The product of photosynthesis is oxalo acetic acid.
III. Both PEP carboxylase and ribulose-bis phosphate carboxylase act as carboxylating enzyme.
Choose the correct option:

1 I and II, but not III
2 II and III but not I
3 I and III, but not II
4 All of these
Photosynthesis in higher plants

238125 If ' $X$ ' molecules of ATP are utilised to produce one molecule of glucose during photosynthesis of a $C_{3}$-plant and ' $Y$ ' molecules of ATP are formed through substrate level phosphorylation during the breakdown of one molecule of glucose in aerobic respiration, then the ratio of ' $X$ ' and ' $Y$ ' is

1 $3: 1$
2 $5: 2$
3 $1: 1$
4 $2: 3$
Photosynthesis in higher plants

238134 Which one is a $\mathrm{C}_{4}$ - plant?

1 Papaya
2 Pea
3 Potato
4 Maize/corn
Photosynthesis in higher plants

238135 In $C_{4}$ plants, Calvin cycle operates in

1 stroma of bundle sheath chloroplasts
2 grana of bundle sheath chloroplasts
3 grana of mesophyll chloroplasts
4 stroma of mesophyll chloroplasts
Photosynthesis in higher plants

238136 $\mathrm{C}_{4}$ plants can absorb $\mathrm{CO}_{2}$ from

1 Its much low concentration
2 Its much high concentration
3 Carbonates
4 Bicarbonates