If a person loses a large amount of water in a short period of time, he or she may die from dehydration. Antidiuretic hormone (ADH) can help reduce water loss through its interaction with its target cells in the ________.

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#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

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#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

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#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:

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#Question id: 40439

#Botany

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Photorespiration is considered a wasteful process in C3 plants. 

Reason (R): In photorespiration, RuBisCO binds with oxygen instead of carbon dioxide, leading to the release of CO₂ with the utilization of ATP and no synthesis of sugars.

In the light of the above statements, choose the correct answer from the options given below:

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#Question id: 40440

#Botany

Which of the following metabolites serves as the connecting link between Glycolysis and the Krebs Cycle?

A. Citric Acid 

B. Acetyl Coenzyme A 

C. Phosphoenolpyruvate (PEP) 

D. Oxaloacetic Acid (OAA)

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#Question id: 40441

#Botany

Match the Photosynthetic Complexes in LIST-I with their specific characteristics/components in LIST-II.

LIST-I (Complex)	LIST-II (Characteristic)
A. Photosystem I (PS I)	I. Located on the inner side of thylakoid membrane; associated with Oxygen Evolving Complex (OEC)
B. Photosystem II (PS II)	II. Reaction center is P700; involved in both cyclic and non-cyclic photophosphorylation
C. Cytochrome b6f Complex	III. Mobile electron carrier found on the lumen side of the thylakoid membrane
D. Plastocyanin	IV. Acts as a proton pump, transferring protons from stroma to lumen

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