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#Question id: 40433
#Botany
Which of the following statements are correct regarding the C4 pathway of photosynthesis?
A. The primary CO₂ acceptor is a 3-carbon molecule, Phosphoenolpyruvate (PEP).
B. The first stable product is a 4-carbon compound, Oxaloacetic Acid (OAA).
C. The enzyme RuBisCO is absent in the mesophyll cells of C4 plants.
D. The decarboxylation of malic acid to release CO₂ occurs in the mesophyll cells.
Choose the correct answer from the options given below:
TLS Online TPP Program
#Question id: 40434
#Botany
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The net gain of ATP in aerobic respiration is significantly higher than in fermentation.
Reason (R): In fermentation, glucose is only partially oxidized, and the NADH produced in glycolysis is not utilized to generate ATP via the Electron Transport Chain.
In the light of the above statements, choose the correct answer from the options given below:
TLS Online TPP Program
#Question id: 40435
#Botany
Match the Metabolic Process in LIST-I with its specific location in LIST-II.
| LIST-I (Process) | LIST-II (Location in Cell) |
| A. Glycolysis | I. Inner Mitochondrial Membrane |
| B. Krebs Cycle | II. Cytoplasm |
| C. Electron Transport Chain | III. Chloroplast Stroma |
| D. Calvin Cycle | IV. Mitochondrial Matrix |
TLS Online TPP Program
#Question id: 40436
#Botany
Which of the following molecules acts as the specific electron donor to Nitrate Reductase during Nitrogen metabolism?
A.FADH2
B. ATP
C. NAD(P)H
D. Ferredoxin
Choose the correct answer from the options given below:
TLS Online TPP Program
#Question id: 40437
#Botany
Match the Respiratory Substrates in LIST-I with their corresponding Respiratory Quotient (R.Q.) in LIST-II.
| LIST-I (Substrate) | LIST-II (R.Q. Value) |
| A. Carbohydrates (Glucose) | I. 0.7 |
| B. Fats (Tripalmitin) | II. > 1 (e.g., 1.33) |
| C. Proteins | III. 1.0 |
| D. Organic Acids (Malic Acid) | IV. 0.9 |
TLS Online TPP Program
#Question id: 40438
#Botany
Read the following statements regarding the Chemiosmotic Hypothesis of ATP synthesis in chloroplasts.
Statement I: The splitting of the water molecule takes place on the inner side of the membrane, releasing protons (H⁺) into the lumen of the thylakoid.
Statement II: The enzyme NADP reductase is located on the stroma side of the membrane, and its activity removes protons from the stroma.
In the light of the above statements, choose the correct answer from the options given below: