Bioenergetics, bioenergetics mcqs, bioenergetics mdcat mcqs, bioenergetics definition, bioenergetics in biochemistry.
On Nokryan.com, your go to platform for the full range of biology resources, you’ll find an exciting world of bioenergetics! Let us begin by understanding the basic concept of bioenergetics, which examines the flow and transformation of energy in living organisms. Engage with bioenergetics MCQs tailored for MDCAT preparation, covering topics like ATP synthesis, metabolic pathways, and for more visit Nokryan.com ensures a thorough understanding of bioenergetics.
1. The pigments found in the thylakoid membranes are ?
- Xanthophyll
- Chlorophyll
- All of thesecorrect
- Carotenoids
2. The principles of energy transformations in living systems is called ?
- Biochemistry
- Bioenergeticscorrect
- Biophysics
- THermodynamics
3. What is not correct of photosynthesis ?
- None of these
- It uses oxygencorrect
- It uses water
- It occurs during day time
4. Thylakoid membranes are involved in ATP formation by ?
- Osmosis
- Oxidative phosphorylation
- Chemosynthesis
- Chemiosmosiscorrect
5. The color of chlorophyll b is ?
- Orange red
- Blue and green
- Yellow and greencorrect
- Orange green
6. The presence of free oxygen made possible the evolution of ?
- Man
- Respirationcorrect
- Dark reactions
- Photosynthesis
7. The interior of thylakoid apace is also called a ?
- Enteron
- Lumencorrect
- Coelom
- Cavity
8. Spectrophotometer is used to measure ?
- Absorption of different wavelengthscorrect
- Absorption of blue light
- Absorption of carbon
- Absorption of water
9. Chlorophyll contains magnesium in which part ?
- Pyrrole ring
- Hacme portion
- Phytol tail
- Porphyrincorrect
10. Which equation of photosynthesis is correct one ?
A=6CO 2 + 12H 2 O + Light→C 6 H 12 O 6 + 6O 2 + 6H 2 O
B=6CO 2 + 6H 2 O + Light→C 6 H 12 O 6 + 6O 2
C=Both of these
- B
- A
- Ccorrect
11. Thylakoid sacs are stacked in columns called ?
- Lamellae
- Piles
- Stroma
- Granacorrect
12. Which wavelengths are least absorbed by chlorophyll ?
- Orange and indigo
- Blue and red
- Violet and yellow
- Green and yellowcorrect
Question was not answered13. Loght can work in photosynthesis only if it is ?
- Absorbedcorrect
- Reflected
- Transmitted
- Refracted
14. Which statement about chlorophyll is not true ?
- It contains porphyring ring
- It contains phytol tail
- It contains magnesium
- It contains terminal carbonyl groupcorrect
15. The number of chloroplastis in a square millimeter of leaf surface is about ?
- 5 lac
- Half a million
- 0.5 million
- All of abovecorrect
16. Which part of plant captures light energy ?
- Stomata
- Mesophyll cell
- Choroplastcorrect
- Plastids
17. Oxygen released during photosynthesis comes from ?
- Haydrogencorrect
- Carbian dia axcide
- Atmosphere
- soil
18. Which statement about photosynthesis is not correct ?
A=CO 2 and H 2 O are used
B=Take place in light and dark
C=Light energy absorbed by chlorophy
D=Occurs in almost all the green parts of Plant
- A
- C
- Bcorrect
- D
19. Process of photosynthesis is almost exactly opposite to ?
- Aerobic respirationcorrect
- Combustion
- Fermentation
- Anaerobic repiration
20. The products of photosynthetic light reaction are ?
- ATP and NADH
- ATP and FADPH
- ATP and NAD
- ATP and NADPHcorrect
21. What is unrelated to light reactions ?
- ATP is produced in it
- It can occur in darkcorrect
- NADPH is produced in it
- It can occur in light only
22. Which wavelengths are mainly absorbed by chlorophyll ?
- Violet and orange
- Red and indigo
- Green and blue
- Violet blue and orange redcorrect
23. The number of chlorroplasts in each mesophyll cell ranges from ?
- 20-60
- 60-80
- 20-100correct
- 20-40
24. Magnesium is an important nutrient ion in green plants as it is an essential component of ?
- Protein
- Chlorophyllcorrect
- Cell sap
- Glucose
25. Chloroplast encloses a dense fluid filled region called ?
- Matrix
- Stromacorrect
- Cytosol
- Grana