Photosynthesis in higher plants practice · Mixed difficulty

In leaves of ${C_4}$ plants, malic acid synthesis during $C{O_2}$ fixation occurs in?

In an experiment demonstrating the evolution of oxygen inHydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favorable?

The chlorophyll molecule in reaction centre of PS II has maximum absorption at

Which of the following is concerned with carbon dioxide fixation?

When $C{O_2}$ is added to PEP, the first stable product synthesized is?

How many additional ATP and $\mathrm{NADPH}_2$ molecules are required during synthesis of one glucose molecule in sugarcane than rice plant?

Maximum absorption by chlorophyll-a is seen in (P). The maximum rate of photosynthesis is seen in (Q). The correct words filling (P) and (Q) are

Adenosine diphosphate contains

Identifying the correct statements regarding chemiosmotic hypothesis

a) Cytochrome ${b_6}/f$ acts a proton pump

b) $C{F_0}$ forms a transmembrane channel that carries out facilitated diffusion of protons across the membrane

c) Conformational change in the $C{F_1}$ particle of the ATP synthase leads to ATP formation

d) Energy is not used to pump protons across a membrane, to create a gradient or a high concentration of protons with in the thylakoid lumen.

e) ATP synthesis occurs due to breakdown of proton concentration gradient established between lumen and stroma.

The amount of $\mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{O}$ absorbed to produce $180 \mathrm{~g}$ of glucose are

How many molecules of glycine is required to release one $C{O_2}$ molecule in photorespiration?

Assertion (A): Photosynthesis is a redox process.

Reason (R): Oxidation of carbon dioxide and reduction of water takes place in photosynthesis.

Photo System is made up of which of the following?

Which of the following statements with regard to photosynthesis is/are correct?
I. In ${C_4} -$plants, the primary $C{O_2}$ acceptor is PEP.
II. In the photosynthetic process, PS-II absorbs energy at or just below 680 nm.
III. The pigment that is present in the Pigment System-I is${P_{683}}$.

Photosynthetic pigments in chloroplast are embedded in the membrane of

In higher plants, the shape of the chloroplast is

In grana of chloroplast, the reaction $ADP + {P_i} = ATP$ during day shows

Which of the following statements is not correct regarding Blackman’s law of limiting factors ?

The synthesis of one molecule of glucose during Calvin cycle requires

Tropical plants have a ____ temperature optimum that the plants adapted to temperate climates?

In blue-green algae photosynthesis takes place in:

PEP carboxylase
I. is involved in atleast some $C{O_2}$ fixation in both ${C_3}$ and ${C_4} -$ plants
II. Catalyses the reaction of fixing $C{O_2}$ into pyruvic acid in bundle sheath cells
III. is capable of fixing $C{O_2}$ more efficiently at lower atmospheric $C{O_2}$ concentration than RuBP carboxylase
Select the correct option

The enzyme responsible for primary carboxylation in ${C_3} -$ plants is

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?

During the experiment in laboratory, the thylakoid is some how punctured so that the interior of the thylakoid is no longer separated from stroma. This damage will have the direction effect on

Which of the given processes is not common between $\mathrm{C}_3$ and $\mathrm{C}_4$ plants?

Molecular formula of chlorophyll- $b$ is

Which of the following is a copper-containing protein acting as a mobile electron carrier in thylakoid membrane?

The enzyme that is not found in a ${C_3}$ plant is?

The net requirement of assimilatory power for the formation of 6 hexose molecules in maize plant is