Photosynthesis in Higher Plants — practice questions
83 curated practice questions from Photosynthesis in Higher Plants (Biology Class 11, CBSE) — 83 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Study the given flow chart of cyclic photophosphorylation and select the correct answer for A, B and C. A
- Identify the correct sequence of stages of Calvin cycle.
- Select the incorrect statement as far as kranz anatomy is concerned.
- Identify the parts marked as A , B and C in the given figure showing ATP synthesis through chemiosmosis.
- Read the following statements and select the correct ones. (i) PS I is involved in non-cyclic photophosphorylation…
- In the given representation of Calvin cycle, identify A, B and C and select the correct option.
- Study the following statements. (i) Red light falling range of wavelength 660 –760 nm is the most effective for…
- Accessory photosynthetic pigments in most green plants are
- Reaction centre of PS I is _______ and reaction centre of PS II is _______.
- Absorption spectrum of chl a shows maximum absorption in ______ and _______ regions of light.
- Which organelle out of these does not participate in photorespiration?
- The herbicide DCMU kills the weeds because it inhibits
- Refer the given reaction. It is the first reaction of
- Select the correct statement regarding the first stable product formed in Hatch and Slack pathway in C 4 plants.
- In an experiment in which photosynthesis is performed during the day, you provide a plant with radioactive carbon…
- Which kind of cells are represented by letters P and Q in the given figure showing C 4 pathway?
- During the different processes of photosynthesis, splitting of water is associated with
- Identify A, B, C, D and E in the given flowchart showing Z-scheme of light reaction.
- Yellowish colour of autumn foliage is due to the presence of a type of xanthophyll pigment called as
- Which one of the following correctly depicts the biochemical reaction for photosynthesis?
- Photosynthetic pigments such as chl a , chl b , xanthophyll and carotene can be separated by which of the following…
- _______ is the process of synthesis of ATP from ADP and P i in the presence of light.
- Ingenhousz in an experiment showed that in bright sunlight, small bubbles were formed around the green parts of the…
- Given table shows the CO 2 compensation point and optimum CO 2 concentration for photosynthesis for C 3 and C 4 plants…
- During fixation of one molecule of CO 2 by C 3 plants, number of ATP and NADPH 2 required are
- Moll’s half-leaf experiment proves that ______ is essential for photosynthesis to take place.
- If green plant cells are incubated with O 18 - labelled water, which of the following molecules will become radioactive…
- During non-cyclic photophosphorylation, electrons are continuously lost from the reaction centre of PS II. Which source…
- A point at which illuminated plant parts stop absorbing CO 2 from their environment, is known as
- Red colour of tomatoes, carrots and chillies is due to the presence of a type of carotene pigment called as
- CO 2 combines with RuBP in the presence of enzyme RuBisCO to form 3-PGA. This process of Calvin cycle is included under
- Assuming a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma…
- Given figure represents C 4 pathway. Select the suitable options for A, B and C.
- In C 4 plants, Calvin cycle enzymes are present in
- Which one is involved in Z-scheme of photosynthesis?
- Who demonstrated that green plants purify the foul air produced by breathing animals and burning candles?
- Breakdown of proton gradient developed during chemiosmosis leads to the release of
- Read the given statements and select the correct option. Statement 1 : In photosynthesis, during ATP synthesis, protons…
- If green plant cells are incubated with O 18 -labelled CO 2 , which of the following molecules will become radioactive…
- Tropical plants have a ______ temperature optimum than the plants adapted to temperate climates.
- Glucose synthesis occurs during which stage of C 3 cycle?
- Which of the following is not an external factor influencing photosythesis?
- Which one of the following ions is essential for photolysis of water?
- Study the following statements regarding chl a molecule. (i) Molecular formula of chl a is C 55 H 72 O 5 N 4 Mg (ii) It…
- Consider following statements with respect to the C 4 pathway and select the correct ones. (i) Mesophyll cells…
- Who provided the evidence that glucose is formed during photosynthesis and is then stored in the form of starch ?
- How many number of CO 2 molecules are required to synthesize one molecule of glucose during C 3 cycle?
- Who used prism, green alga Cladophora , and aerobic bacteria and plotted the first action spectrum for photosynthesis?
- Which one of the following equations suggests that O 2 released during photosynthesis comes from water?
- Which range of wavelength (in nm) is called as photosynthetically active radiation (PAR)?
- How many ATP and NADPH molecules are respectively required to make one molecule of glucose through Calvin cycle ?
- Which of the following is produced during the light phase of photosynthesis?
- When temperature is increased from minimum to optimum, rate of photosynthesis doubles for every ______ rise in…
- Which of the following is/are formed during Z-scheme of photophosphorylation?
- In PS I, the reaction centre Chl a has absorption maxima at _______; whereas in PS II, the reaction centre Chl a has…
- Refer the given reaction. 2H 2 O → 2H + + O 2 + 4e – Where does this reaction take place in the chloroplasts of plants?
- The ‘law of limiting factors’ was given by ______ in the year _____.
- Kranz anatomy is not exhibited by which of the following plants?
- Read the given statements and select the correct option. Stateement 1: Photorespiration interferes with the successful…
- Match Column - I with Column - II and select the correct option from the codes given below. A. C 3 plants (i)…
- Following table summarizes the differences between light reactions and dark reactions. Light reactions Dark reactions…
- Synthesis of complex organic substances from simple inorganic raw materials in the presence of sunlight and chlorophyll…
- Which of the following scientists concluded by his experiments that green plant parts play a role in purifying the…
- Chlorophyll a appears ______ in colour and chlorophyll b appears ______ in colour in the chromatogram.
- When CO 2 is added to PEP, the first stable product synthesised is
- How many ATP and NADPH 2 are respectively produced in the process of photorespiration?
- The Z sheme of photophosphorylation follows the following sequence: Which of the following options is correct for A, B…
- Who, after conducting experiments on purple and green sulphur bacteria, inferred that O 2 evolved during photosynthesis…
- Read the given statements and select the correct option. Statement 1 : Crassulacean acid metabolism occurs in succulent…
- The reaction that is responsible for the primary fixation of CO 2 is catalysed by which of the following enzymes in C 4…
- Read the given statements and select the correct option. Statement 1 : Carboxylation is the most crucial step of Calvin…
- The enzyme that is not found in C 3 plants is
- Which of the following statements is incorrect regarding the Calvin cycle of C 3 plants ?
- Given figure depicts the light harvesting complex (LHC) of photosystem I (PS I). Select the correct identification for…
- PEP (Phosphoenol pyruvic acid) is primary CO 2 acceptor in
- Optimum temperature conditions for photosynthesis in C 3 and C 4 plants are respectively
- Study the given graph showing the effect of light intensity on the rate of photosynthesis. Which of the following…
- In cyclic photophosphorylation, the electron released by reaction centre (P 700 ) is ultimately accepted by
- What does the given diagram represent with respect to the various photosynthetic processes?
- Which of the following statements about dark reactions is correct?
- During Z scheme electrons excited by absorption of light in PS I are transferred to the primary acceptors, and…
- Given graph represents the absorption spectra of three photosynthetic pigments, chl a , chl b and b -carotene. Select…
- During Hatch and Slack pathway, PEP combines with CO 2 in the presence of enzyme PEPcase, to form OAA. This process of…