Match the plants in Column I with their features listed in the Column II, III and IV. Column I: Types of plants Column II: Types of Photosynthesis Column III: Site of Calvin cycle Column IV: Time of stomata opening Rice CAM Mesophyll Day Pineapple C 4 Bundle Sheath Night Sugarcane C 3 Choose the correct combination.

Rice- C 3 -Mesophyll-Day, Pineapple-CAM-Mesophyll-Night, Sugarcane- C 4 -Bundle sheath-day

Rice- C 3 -Mesophyll-Day, Pineapple-CAM- Mesophyll-Night, Sugarcane- C 4 - Mesophyll-Day

Rice- C 4 -Mesophyll-Day, Pineapple- C 3 -Bundle sheath-Night, Sugarcane-CAM-Bundle sheath-Day

Rice-CAM-Mesophyll-Day, Pineapple-CAM-Mesophyll-Day, Sugarcane- C 4 -Bundle sheath-Day

Assertion (A): In C 3 plants photosynthesis is more than C 4 plants. Reason (R): C 4 plants have a shorter CO 2 fixation cycle.

Both (A) and (R) are true (R) is correct explanation of (A).

Both (A) and (R) are true but (R) is not correct explanation of (A).

Give comparisons between the C 3 and C 4 pathways.

C 3 pathways C 4 pathways First stable compound The first product of carbon fixation is a three-carbon atom compound 3-phosphoglyceric acid. The first product of carbon fixation is a four-carbon atom compound oxaloacetic acid. C 3 pathways C 4 pathways ATP and NADPH It requires three ATP and two NADPH to reduce one molecule of carbon dioxide. It requires five ATP and three NADPH to reduce one molecule of carbon dioxide. C 3 pathways C 4 pathways Location of dark reaction It occurs only in the mesophyll cells of the leaves. It occurs in the mesophyll and bundle-sheath cells of the leaves.

EASY

Earn 100

Dark reaction is also called?

50% studentsanswered this correctly

Important Questions on Photosynthesis

MEDIUM

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Match the plants in Column I with their features listed in the Column II, III and IV.

Column I: Types of plants	Column II: Types of Photosynthesis	Column III: Site of Calvin cycle	Column IV: Time of stomata opening
Rice	CAM	Mesophyll	Day
Pineapple	$C 4$	Bundle Sheath	Night
Sugarcane	$C 3$

Choose the correct combination.

EASY

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

The numbers of ATP molecules consumed for the synthesis of one glucose molecule by rice and maize plants are, respectively

MEDIUM

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

With reference to factors affecting the rate of photosynthesis, which of the following statements are not correct?

EASY

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

For the same amount of

{CO}_{2}

fixed, a

C_{4}

plant in comparison to

C_{3}

plant loses only

HARD

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Compare

C_{4}

plants and CAM plants.

MEDIUM

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Assertion (A): In C₃ plants photosynthesis is more than C₄ plants.
Reason (R): C₄ plants have a shorter CO₂ fixation cycle.

EASY

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Which part of the photosynthetic process does not require light and is temperature dependent?

EASY

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Give comparisons between the C₃ and C₄ pathways.

EASY

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Select the incorrect statements for CAM plants from the following:

MEDIUM

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Read the given statements and select the correct option.
Statement I: Crassulacean acid metabolism occurs in succulent plants which grow in xeric conditions.
Statement II: Stomata are generally sunken in succulent plants.

MEDIUM

Biology>Plant Physiology>Photosynthesis>Overview of C2, C3 and C4 Pathways

Match column I with II and select the correct option from the given codes.