Bioenergetics MCQs – Are you preparing for your upcoming Biology exam? If so, then you’ve come to the right place! This blog post is here to help you get ready for your exam with these Bioenergetics MCQs and Biology MCQs. With this collection of questions, you’ll be able to review the key concepts and facts related to bioenergetics and biology so you can confidently take your exam. These bioenergetics MCQs are part of the class 11 biology book and these Biology MCQs class 11 help you in job exams, medical exams/MDCAT, etc Let’s get started!
1st-year biology MCQs and Bioenergetics MCQs
- which mineral is used to bind ribosomal subunits together?
A.calcium
B.magnessium
C.sodium
D.harshium
Answer: Magnesium - which is the microtubule organizing center?
A.nucleolus
B.ribosomes
C.centrosomes
D.chromosomes
Answer: Centrosomes - The main function of water in photophosphorylation is to
A.provide necessary oxygen for the photosynthetic process
B.supply energy required for photosynthesis
C.provide electrons which are energized by light energy
D.none of these
Answer: Provide electrons that are energized by light - about_pigment molecules are found in each antennae complex
A.25-40
B.250_400
C.2500-4000
D all of these
Answer: 250_400 - the chlorophyll-a molecule in reaction center of photosystem-2 boots up its two electrons from its
A.nitrogens
B.carbons
C.magnesium
D.oxygen
Answer: Magnesium - all of the following are correct for cyclic photophosphorylation except
A.one ATP is produced
B.no NADpH2 is produced
C.no photolysis occurs
D.only ps-¹¹ is involved
E all are above
Answer: Only ps-¹¹ is involved - electrons used in etc of light reaction belongs to and are filled by
A.water, chlorophyll
B.magnessium of chlorophyll -a , water
C.a and b.
D.n.o.t
Answer: Magnesium and chlorophyll-a water - the red color protein contains an iron cluster and Its either forwards electrons to NADpH2 reductase or bounces back to the plastoquinone during photosynthesis this protein is
A.plastocyanin
B.ferredoxin
C.a and b.
D.Atp synthase
Answer: Plastocyanin - water splitting complex is found in
A.ps-¹ only
B.ps-¹¹ only
C.a and b
D.cytochrome
Answer: Ps-¹¹ only - All the following are the products of light-dependent reactions of photosynthesis except
A.oxygen
B.c6H12O6
C.ATP
D.none of these
Answer: C6H12O6 - all are the followings are concerned with the light-dependent reaction of photosynthesis except
A.electron transport
B.chemoiosmosis
C.photolysis
D.all are correct
Answer: All are correct - during what stage of photosynthesis is O2 produced
A.cyclic photophosphorylation
B.linear photophosphorylation
C.carbon fixation
D.krebs cycle
Answer: Linear photophosphorylation - What is correct for the dark reaction of photosynthesis
A.take place in the stroma of the chloroplast
B.involves photolysis of water
C.formation of lactic acid
D.none of these
Answer: take place in the stroma of the chloroplast - all are followings are consumed in dark reaction except
A.nadph
B.ATP
C.glucose
D. A and b
Answer: Glucose - the final product of the Calvin cycle is
A.PAG
B.G3P
C.ATP
D.RuBP
Answer: G3P - to reduce six molecules of carbon dioxide to glucose via photosynthesis how many molecules of NADpH and ATP are required
A.6 NADpH and 6ATP
B.12 NADpH and ATP
C.12 NADpH and 18ATP
D. None of these
Answer: 12 NADpH and 18 ATP - First stable product in c⁴ pathways is
A.PEP
B.Malate
C.oxaloacetate
D . pyruvate
Answer: Oxaloacetate - pEP cycle occurs in the leaf at
A.mesophyll
B.vascular bundle
C.b.o.t
D.n.o.t
Answer: Mesophyll - Glycolysis occurs at
a.mitochondria
B.cyotsol
c.peroxissome
D.chloroplast
E.none of these
Answer: Cytosol - the number of ATPs produced in glycolysis is
A.2 ATPs
B.36 ATPs
C.6 ATPs
D.12 ATPs
E none of these
Answer: 2