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First stable compound during Calvin cycle is:
PMC 2020
Biology
Bioenergetics
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The light dependent reaction of photosynthesis occurs in:
NTS 2011
Biology
Bioenergetics
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The oxidation of PGAL during glycolysis yields ____ molecules.
NUMS 2019 Reconduct
Biology
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Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.
Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on
The main process that occurs in the dark reaction in photosynthesis is:
NTS 2010
Biology
Bioenergetics
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At which times there is no net gaseous exchange between leaves and the atmosphere.
Glucose → 2 pyruvic acid + 2H2O
2ADP + 2Pi → 2 ATP
2NAD + 4H → 2NADH + 2H+
These three reactions collectively constitute ______.
NTS 2012
Biology
Bioenergetics
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During cellular respiration NADH2 produces:
NUMS 2014
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The inner membrane of mitochondrion has many infoldings into the inner chamber, these folding are called as:
NUMS 2019 Reconduct
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Aerobic respiration results in how much ATP?
NUMS 2016
Biology
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Which is the correct order of energy transfer from assessory pigments to main photosynthetic pigment?
Light reaction takes place on/in
In the Krebs cycle, substrate-level phosphorylation accompanies the formation of:
NTS 2013
Biology
Bioenergetics
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Three word equations are shown:
P. Carbon dioxide + water gives glucose + oxygen
Q. Glucose + oxygen gives carbon dioxide + water
R. Glucose gives alcohol + carbon dioxide
What is / are the equations for anaerobic respiration in yeast?
NTS 2015 SMBBMC
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Dark reaction of photosynthesis takes place in _______ of chloroplast.
NUMS 2020
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Which of the following is a compensation point:
The point at which there is no net exchange of gases between leaves and atmosphere is known as
Which of the following is a chemical link between catabolism and anabolism?
Molecular formula of chlorophyll ‘a’ molecule is:
The end product of Glycolysis is:
NTS 2011
Biology
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1 NADH in respiratory chain produces:
NUMS 2015
Biology
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Many substances which are urgently required by the cell while cell absorbs them against the concentration gradient by utilizing energy in the form of:
NUMS 2019 Reconduct
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Estimating relative CO2 consumption or O2 release during photosynthesis at different wavelengths of light, is termed as:
NUMS 2019 Reconduct
Biology
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Which component enters into mitochondria after glycolysis?
NUMS 2015
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In the Calvin cycle, the reducing power from NADPH is used during:
NUMS 2019 Reconduct
Biology
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Which of the following statement about the head of a chlorophyll molecule is incorrect:
Which of the following processes does NOT need Pyruvic Acid as a substrate?
PMC 2020
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Exposure to ______ light is effective in photosynthesis as it enables guard cells to take up K+ and opening of stomata.
NUMS 2019 Reconduct
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During the first three steps of glycolysis, glucose is converted to Fructose 1, 6-diphosphate by the rearrangement of the molecule and addition of two phosphate groups. The phosphate comes from?
NTS 2015 SMBBMC
Biology
Bioenergetics
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Immediate source of energy for cellular respiration is:
NUMS 2016
Biology
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Where do the light – dependent reactions of photosynthesis occur?
NTS 2016 SMBBMC
Biology
Bioenergetics
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C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:
Pyruvic acid is the end product of:
NTS 2017
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Its membranes are the sites where sunlight energy is trapped and where glucose is formed.
Which organelle is this?
NUMS 2014
Biology
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Chlorophyll molecule resemble the haem group of hemoglobin, the main difference between these two molecule is that chlorophyll has ____ ion.
NUMS 2019 Reconduct
Biology
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Exposure to ______ light is effective in photosynthesis as it enables guard cells to take up K+ and open the stomata.
NUMS 2015
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What is the function of Ribulose?
PMC 2020
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How does chemosynthesis differ from photosynthesis?
NUMS 2020
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Lactic Acid Fermentation is a type of anaerobic respiration that occurs in human muscle cells. It yields only ____ % of the energy present in a glucose molecule.
NUMS 2019 Reconduct
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Carbon dioxide joins the photosynthetic pathway at:
NTS 2018
Biology
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Of the following which one is not an energy releasing process?
Cyanides are potent poisons of the living organism and can kill by inhibiting _____, essential for cellular respiration:
NUMS 2020
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Quantitative study of energy relationships in biological systems obeys.
The end product of glycolysis in anaerobic respiration is:
PMC 2020
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Which of the following is a copper containing protein in electron transport chain?
PMC 2020
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NAD is an example of ______:
NUMS 2020
Biology
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Which of the following light is least absorbed by the plants:
Estimating relative CO2consumption or O2release during photosynthesis at different wavelengths of light, is termed as:
NUMS 2015
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3-Phosphoglycerate in the presence of ATP and reduced NADP (from the light-dependent stage) is reduced to:
NUMS 2020
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Photophosphorylation takes place in the _____ of the chloroplasts:
PMC 2020
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In electron transport chain, ATP synthesis takes place when electrons move from:
PMC 2020
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Visible light used in photosynthesis ranges from:
Stroma of chloroplast carries the fixation of:
NUMS 2014
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Which part of the cell does glycolysis occur in?
NTS 2018
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The dark reactions of photosynthesis are characterized by:
NTS 2016 DUHS & JSMU
Biology
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Which of the following pigment is Blue- green in colour:
Which of the light is mainly absorbed by the plants:
Chlorophyll is insoluble in:
FADH2 is produced during which step of the Krebs cycle?
NUMS 2019 Reconduct
Biology
Bioenergetics
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Net yield of H2O in Photosynthesis is
The organisms able to use sunlight directly as a source of energy are
The process by which one molecule of Glucose splits up into molecules of Pyruvate is called:
NTS 2018
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NADH produces how many ATP?
NUMS 2016
Biology
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In paper chromatography xanthophyll will give ______ color:
NTS 2010
Biology
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FADH2 is produced during which step of Krebs cycle?
NUMS 2015
Biology
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RuBP + O2 —Rubisco—> PGA + _______
NTS 2016 DUHS & JSMU
Biology
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