Photochemical Reactions and Photosynthesis MCQs
The principal laws of photochemistry are _______________
(A).  Lambert’s and Beer’s law
(B).  Raoult’s and Dalton’s law
(C).  Raoult’s and Henry’s law
(D). Â Grothus-Draper and Stark-Einstein law
(E). None of these
Multiple Choice Question Answer: Â d
Why the Medicine bottles are often made with darkened glass?
(A). Â to allow oxidation of drug
(B). Â to allow the photodegradation of drug
(C). Â to reduce the cost
(D). Â to prevent the drug from photodegradation
(E). None of these
Multiple Choice Question Answer: Â d
In the photosynthesis, the energy of sun is converted into chemical energy in Which of the following form?
(A). Â ATP and NADP
(B). Â ADP and NADPH
(C). Â ATP and NADPH
(D). Â ADP and NADP
(E). None of these
Multiple Choice Question Answer:Â c
The nutrients that is not used in the cellular respiration is __________
(A). Â carbohydrates
(B). Â fiber
(C). Â fatty acids
(D). Â amino acids
(E). None of these
Multiple Choice Question Answer: Â b
The Ozone is formed by Which of the following dissociation of molecular oxygen into individual oxygen atoms?
(A). Â ionic
(B). Â thermochemical
(C). Â thermal
(D). Â photochemical
(E). None of these
Multiple Choice Question Answer:Â d
The Mercaptans is produced by the photochemical addition of Which of the following to the alpha-olefins?
(A). Â sulphur
(B). Â hydrogen sulphide
(C). Â hydrogen
(D). Â paraffins
(E). None of these
Multiple Choice Question Answer: Â b
Not the stage in photosynthesis is ___________
(A). Â phosphorousfixation
(B). Â generation of ATP
(C). Â carbon fixation
(D). Â absorption of light
(E). None of these
Multiple Choice Question Answer: Â a
In the photochemistry of photosynthesis, NADPH stands for Which of the following?
(A). Â Nicotinamide Amine Dinucleotide Phosphatic hydrogen
(B). Â Nicotinamide Amine Dinucleotide Phosphate
(C). Â Nicotinamide Adenine Dinucleotide Phosphatic hydrogen
(D). Â Nicotinamide Adenine Dinucleotide Phosphate
(E). None of these
Multiple Choice Question Answer: Â d
The Photosynthesis is called the photochemical process.
(A). Â False
(B). Â True
(E). None of these
Multiple Choice Question Answer: Â b
Not an example of a photoautotroph is _________
(A). Â human beings
(B). Â plants
(C). Â cyanobacteria
(D). Â bacteria
(E). None of these
Multiple Choice Question Answer: Â a
In photosynthesis, ATP stands for Which of the following?
(A). Â Amine Triphosphate
(B). Â Adenosine Triphosphate
(C). Â Amine tri poly phosphate
(D). Â Ammonium Triphosphate
(E). None of these
Multiple Choice Question Answer:Â b
In Which of the following reactions, the molecules absorbing light do not react but induce the other molecules to react?
(A). Â Irreversible
(B). Â Thermal
(C). Â Photosensitized
(D). Â Dark
(E). None of these
Multiple Choice Question Answer: Â c
The Vision is always initiated by Which of the following photochemical reaction?
(A). Â Mercapton
(B). Â Hydrogen Chloride
(C). Â Rhodopsin
(D). Â Enzymes
(E). None of these
Multiple Choice Question Answer:Â c
All organisms always carry out photosynthesis by using carbon dioxide as a source of the carbon atoms.
(A). Â false
(B). Â true
(E). None of these
Multiple Choice Question Answer:Â a
In the photochemical reactions, the absorption of Which of the following radiations takes place?
(A). Â only visible
(B). Â radio
(C). ultraviolet and visible
(D). Â visible and x-rays
(E). None of these
Multiple Choice Question Answer: Â c
Which of the following are The reactions that are caused by the heat and in absence of light?
(A). Â Photochemical reactions
(B). Â Â Reversible photochemical reaction
(C). Â Reversible reaction
(D). Â Dark reactions
(E). None of these
Multiple Choice Question Answer:Â d
In photochemical reactions, the presence of light is never required for the reaction for taking place in it.
(A). Â false
(B). Â true
(E). None of these
Multiple Choice Question Answer: Â a
An example of photochemical reaction is __________
(A). Â Formation of NaOH
(B). Â Decomposition of ammonia
(C). Â Photosynthesis
(D). Â Decomposition of HCl
(E). None of these
Multiple Choice Question Answer: Â c
In photosynthesis, RuBP stands for Which of the following?
(A). Â Ribulose phosphate
(B). Â Ribulose urea Biphosphate
(C). Â Ribulose Bisphosphate
(D). Â Ribulose biurea phosphate
(E). None of these
Multiple Choice Question Answer: Â c
In photosynthesis, carbon dioxide is converted into sugar by _______
(A). Â sugar fixation process
(B). Â carbon reduction process
(C). Â carbon fixation process
(D). Â photolysis process
(E). None of these
Multiple Choice Question Answer: Â c
Engineering Chemistry MCQs
Solved MCQs of engineering Chemistry.
- Engineering Chemistry Important MCQs
- Adsorption Isotherm MCQs | Chemistry
- Biodegradable Polymers MCQs
- Chromatography MCQs Â
- Polymer MCQs
- Chirality MCQs
- Conductivity and Conformations MCQs
- Crystallization and Dendrimers MCQs
- Distillation and Effect of Temperature on reaction rate
- Elastomers MCQs
- Electromeric Effect and Electronic Spectroscopy MCQs
- Electrophilic Substitution Reaction MCQs
- Engineering Materials and Fibers MCQs
- Fission of Covalent Bond MCQs
- Fractional Distillation MCQs
- Gibb’s Phase Rule Solved MCQs
- Hybridization, Homonuclear and Heteronuclear Molecules MCQs | Chemical Engineering MCQs
- Hyperconjugation and Inductive Effect MCQs
- Chemical Reactions MCQs
- Intermolecular Forces and Melting Point MCQs
- Laws of Photochemistry and Mesomeric Effect MCQs
- Micelles and Molecular Aggregation MCQs Questions Answers
- Molecular Spectroscopy and Molecularity of a Reaction MCQs
- Nuclear Magnetic Resonance and Components MCQs Questions Answers
- Nucleophilic Substitution Reaction MCQs
- Optical Isomerism and Order of a Reaction MCQs
- Organic Conducting Polymers and Origin of spectrum MCQs
- Particle Size Measurement and Pseudo Order Reaction MCQs
- Phases and Components MCQs
- Photochemical Reactions and Photosynthesis MCQs
- Polymerization, Polymer Blends, and Polymeric Composites MCQs
- Quantum MCQs
- Silicones and Polymeric Composites and R, S- Configuration and Water Softening MCQs
- Stereoselectivity, Stereospecificity and Stereo Structure of Polymers MCQs
- Steam Distillation and Surface Tension MCQs
- Thermoplastic Polymers MCQs
- Chromatography and Vibrational Spectroscopy MCQs
- Valence Bond Theory and Two-Component System MCQs
