Biosynthetic Phases of Photosynthesis
Biosynthetic Phases of Photosynthesis: Overview
This Topic covers sub-topics such as C3 Cycle, C4 Cycle, Kranz Anatomy, CAM Pathway, Rubisco, Differences between C3 and C4 Pathway, Carboxylation phase of Calvin Cycle, Reduction Phase of Calvin Cycle and, Regeneration of RuBP during Calvin Cycle
Important Questions on Biosynthetic Phases of Photosynthesis
Select the incorrect statement

In C4 plants, the first carbon dioxide acceptor is

Which of the following is representing the correct set of inputs in the dark reaction - pathway, for the fixation of molecule of ?

Read the following statements and select the correct option:
I. In plants, the first stable product is formed in bundle sheath cells
II. In maize plants, the chloroplasts of the mesophyll cells are larger and with abundant starch stored
III. In mango plants, there are two types of cells in the leaves, mesophylls, and bundle sheath, which are involved in the carboxylation process separately.
IV. The productivity of maize is much lower as there is huge loss in photorespiration

Find the mismatched pair:

One of the common compounds in pathway and the Krebs cycle is:

For yielding one molecule of glucose, Calvin cycle turns

Read the following statements and select the incorrect ones:
I. In plants like maize, Sorghum, the mesophyll cells are equipped with RuBisCO.
II. CO2-compensation point for the C4-plants are very low, as compared to the C3-plants.
III. Primary carboxylation occurs in maize in the bundle sheath cells.
IV. C4-plants keep their stomata closed in the daytime.

Kranz anatomy is a feature of

Calvin cycle is major biochemical pathway for

Which among the following statements are correct?
(i) The quantum yield of photosynthesis decreases with an increase in temperature in plants, as compared to plants.
(ii) The first stable product in pathway is phosphoglycerate, whereas in the pathway it is oxaloacetate.
(iii) pathway is present only in plants and pathway is present in all plants.
(iv) The rate of photorespiration is very high in plants and very low in plants.

In CAM plants, stomata:

According to Dr. Arnon, a substance present in chloroplast that acts as H-acceptor is _________.

The entire reactions of pathway takes place in

Which of the statements is not true of the pathway

In sugarcane plant is fixed in malic acid, in which the enzyme that fixes is

are plant

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 | Bundle Sheath | Night | |
Sugarcane |
Choose the correct combination.

Which of the following statement is not correct, with reference to factors affecting the rate of photosynthesis?

When is acid concentration in plants more?
