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Study the following statements regarding chlorophyll a molecule.
(i) Molecular formula of chlorophyll a is C55H72O5N4Mg.
(ii) It is the primary photosynthetic pigment.
(iii) In the pure state, it is red and thus, it absorbs more blue wavelength of light than the red wavelength.
(iv) It is soluble in water as well as petroleum ether.
Which of the above statements is/are not correct?

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Important Questions on Photosynthesis in Higher Plants

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 17
Red colour of tomatoes, carrots and chillies is due to the presence of a type of carotene pigment called as
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 18
Yellowish colour of autumn foliage is due to the presence of a type of xanthophyll pigment called as
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 19
Which of these is a type of phycobilin pigment?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 20
Visible part of electromagnetic spectrum consists of radiations having a wavelength in the range of
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 21
Indigo and red regions of VIBGYOR, respectively fall in the range of wavelength
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 22
The absorption spectrum of chlorophyll a shows maximum absorption in _____ and _____ regions of light.
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 23
Given graph represents the absorption spectra of three photosynthetic pigments, chl a , chl b and β -carotene.
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Select the correct statement regarding this.
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 13 - Photosynthesis in Higher Plants>MCQS CORNER>Q 24
Study the following statements.
(i) Red light falling in the range of wavelength 660-760 nm is the most effective for photosynthesis.
(ii) Green light falling in the range of wavelength  500-580 nm is the least effective for photosynthesis.
(iii) Chl a , chl b , carotenes and xanthophylls are soluble in organic solvents.
(iv) Phycobilins (phycocyanin, allophycocyanin and phycoerythrin) are soluble in water.
Which of the above statements is/are incorrect?