Photosynthesis in Higher Plants

In a chloroplast the highest number of protons are found in:

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?

Emerson's enhancement effect and Red drop have been instrumental in the discovery of:

The process which makes major difference between C3 and C4 plants is

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

Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in :

Which of the following is not a product of light reaction of photosynthesis?

Oxygen is not produced during photosynthesis by

Which of the following statements is incorrect?

Which out of the following statements is incorrect?

In Hatch and Slack pathway, the primary CO2 acceptor is -

One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:

In light reaction, plastoquinone facilitates the transfer of electrons from

The oxygenation activity of RuBisco enzyme is photorespiration leads to the formations of:

The first stable product of CO2 fixation in sorghum is:

Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:

Given below are two statements: Statement I : The primary CO2 acceptor in C4 plants is phosphoenolpyruvate and is found in the mesophyll cells. Statement II : Mesophyll cells of C4 plants lack RuBisCo enzyme. In the light of the above statements, choose the correct answer from the options given below:

What is the role of large bundle sheath cells found around the vascular bundles in C4 plants?

How many ATP and NADPH2 are required for the synthesis of one molecule of Glucose during Calvin cycle?

The reaction centre in PS II has an absorption maxima at

Which micronutrient is required for splitting of water molecule during photosynthesis?

Which of the following combinations is required for chemiosmosis?

Match List I with List II and choose the correct answer: List I A. Chlorophyll a B. Chlorophyll b C. Xanthophyll D. Carotenoid List II I. Yellow to yellow orange II. Yellow green III. Blue green IV. Yellow Choose the correct answer from the options given below:

Given below are two statements : Statement I: RuBisCO is the most abundant enzyme in the world. Statement II: Photorespiration does not occur in C4 plants. In the light of the above statements, choose the most appropriate answer from the options given below :

How many molecules of ATP and NADPH are required for every molecule of CO2 fixed in the Calvin cycle

Which of the following are required for the dark reaction of photosynthesis? A. Light B. Chlorophyll C. CO2 D. ATP E. NADPH Choose the correct answer from the options given below:

Given below are two statements. Statement 1: in C3 plants, some O2 binds to RuBisCO, hence CO2 fixation is decreased. Statement 2: In C4 plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration. In the light of the above statements, choose the correct answer from the options given below.

Match List I (Pigment) with List II (Colour) and choose the correct answer: List I A. Chlorophyll a B. Chlorophyll b C. Xanthophylls D. Carotenoids List II I. Yellow-green II. Yellow III. Blue-green IV. Yellow to Yellow-orange Choose the correct answer from the options given below:

Which of the following statements about RuBisCO is true?

Which of the following statements regarding photorespiration are correct? (a) Does not occur in C3 plants; (b) CO$_2$ is consumed and O$_2$ is generated; (c) Phosphoglycolate is formed; (d) No synthesis of ATP and NADPH.

Select the correct sequence of experiments that led to a gradual understanding of photosynthesis in green plants.

How many turns of the Calvin cycle are required for the formation of three molecules of glucose?

Find the incorrect statement(s) about photosynthesis from the following: A. The water splitting complex is associated with PS I. B. C4 plants use the C3 pathway of CO2 fixation as the main biosynthetic pathway. C. In C4 plants, photorespiration does not occur. D. C3 plants exhibit 'Kranz' anatomy. E. ATP synthesis in chloroplast occurs through chemiosmosis. Choose the answer from the options given below:

The enzyme required for carboxylation in the Calvin cycle is

How many ATP and NADPH molecules are required to make one molecule of glucose through the Calvin pathway?

The photorespiration reaction catalysed by RuBisCO is: $\text{RuBP} + \text{O}_2 \rightarrow$ 3-Phosphoglycerate $+ X$. Identify $X$.

Which pigment has an absorption peak at 700 nm in the photosynthetic reaction centre PS I (P700)?