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Which out of the following statements is incorrect regarding photosynthetic mechanisms?
The process which makes a major difference between C3 and C4 plants is:
The photochemical phase of photosynthesis includes:
Match List-I with List-II: List-I A. C4 Pathway B. Light reaction C. Photorespiration D. Calvin cycle List-II I. 2H2O → 4H+ + O2 + 4e- II. Ribulose 1,5-bisphosphate III. 3-carbon molecule, phosphoenol pyruvate IV. Phosphoglycolate
A cylindrical conductor of radius R is carrying a constant current. The plot of the magnitude of the magnetic field B with the distance d from the centre of the conductor is correctly represented by the figure:
Which of the following statements about RuBisCO is true?
Which one of the following concerns photophosphorylation?
Study the pathway given below: In which of the following options, correct words for all the three blanks A, B and C are indicated?
Which one of the following products diffuses out of the chloroplast during photosynthesis?
Which of the following growth regulators is an adenine derivative?
A wire of length $L$ meters carrying a current of $I$ ampere is bent in the form of a circle. What is its magnetic moment?
Read the following four statements A, B, C and D and select the right option having both correct statements: (A) Z-scheme of light reaction takes place in the presence of PSI only (B) Only PSI functional in cyclic photophosphorylation (C) Cyclic photophosphorylation results in a synthesis of ATP and NADPH2 (D) Stroma lamellae lack PSII as well as NADP
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
How many molecules of ATP and NADPH are required, respectively, for fixation of every CO2 molecule entering the Calvin cycle?
In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as
If the concentration of a solution is changed from 0.2 to 0.4, then what will be the rate and rate constant? The reaction is of first order and rate constant is $k = 1 \times 10^{-6}$:
The simple Bohr model is not applicable to He-4 atom because: (a) He-4 is an inert gas. (b) He-4 has neutrons in the nucleus. (c) He-4 has one more electron. (d) electrons are not subject to central forces. Choose the correct option:
Which one of the following pairs is not correctly matched?
Fruit and leaf drop at early stages can be prevented by the application of:
If the initial tension on a stretched string is doubled, then the ratio of the initial and final speeds of a transverse wave along the string is: