Question:
Choose the correct statements among the following
A) Sodium and potassium pumps in the cell utilise the ATP
B) For transport of polar molecules across membrane require carrier proteins
C) Secondary cell wall formed by addition of lignin material in the interfibrillar spaces of cellulose
D) Golgi complex, vacuole and peroxisomes constitute the Endomembrane system of cell
Choose the correct statements among the following
A) Sodium and potassium pumps in the cell utilise the ATP
B) For transport of polar molecules across membrane require carrier proteins
C) Secondary cell wall formed by addition of lignin material in the interfibrillar spaces of cellulose
D) Golgi complex, vacuole and peroxisomes constitute the Endomembrane system of cell
A) Sodium and potassium pumps in the cell utilise the ATP
B) For transport of polar molecules across membrane require carrier proteins
C) Secondary cell wall formed by addition of lignin material in the interfibrillar spaces of cellulose
D) Golgi complex, vacuole and peroxisomes constitute the Endomembrane system of cell
Show Hint
Peroxisomes, Mitochondria, and Chloroplasts are NEVER part of the endomembrane system because their metabolic pathways are not functionally coordinated with the ER and Golgi.
Updated On: Jul 22, 2026
- B, C, D
- A, D, C
- A, B, D
- A, B, C
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Question:
The question presents four statements regarding cell biology (membrane transport, cell wall structural changes, and the endomembrane system) and asks to choose the correct set.
Step 2: Key Concepts and Approach:
We evaluate the biochemical mechanisms of membrane transport, cell wall deposition, and the components of the eukaryotic endomembrane system.
Step 3: Detailed Explanation:
• Statement A: Active transport systems, like the sodium-potassium pump (\(\text{Na}^{+}/\text{K}^{+}\) ATPase), transport ions against their concentration gradient by directly hydrolyzing ATP. This statement is correct.
• Statement B: Polar (hydrophilic) molecules cannot easily pass through the hydrophobic lipid bilayer.
They require specialized transmembrane carrier or channel proteins to facilitate their passage. This statement is correct.
• Statement C: The secondary cell wall is deposited inside the primary wall as the cell matures.
The deposition of lignin in the interfibrillar spaces of cellulose microfibrils strengthens the wall. This statement is correct.
• Statement D: The endomembrane system includes the Endoplasmic Reticulum (ER), Golgi complex, Lysosomes, and Vacuoles because their functions are coordinated.
Peroxisomes, mitochondria, and chloroplasts are not part of the endomembrane system because their functions are independent. This statement is incorrect.
Step 4: Final Answer:
Statements A, B, and C are correct, whereas Statement D is incorrect.
The question presents four statements regarding cell biology (membrane transport, cell wall structural changes, and the endomembrane system) and asks to choose the correct set.
Step 2: Key Concepts and Approach:
We evaluate the biochemical mechanisms of membrane transport, cell wall deposition, and the components of the eukaryotic endomembrane system.
Step 3: Detailed Explanation:
• Statement A: Active transport systems, like the sodium-potassium pump (\(\text{Na}^{+}/\text{K}^{+}\) ATPase), transport ions against their concentration gradient by directly hydrolyzing ATP. This statement is correct.
• Statement B: Polar (hydrophilic) molecules cannot easily pass through the hydrophobic lipid bilayer.
They require specialized transmembrane carrier or channel proteins to facilitate their passage. This statement is correct.
• Statement C: The secondary cell wall is deposited inside the primary wall as the cell matures.
The deposition of lignin in the interfibrillar spaces of cellulose microfibrils strengthens the wall. This statement is correct.
• Statement D: The endomembrane system includes the Endoplasmic Reticulum (ER), Golgi complex, Lysosomes, and Vacuoles because their functions are coordinated.
Peroxisomes, mitochondria, and chloroplasts are not part of the endomembrane system because their functions are independent. This statement is incorrect.
Step 4: Final Answer:
Statements A, B, and C are correct, whereas Statement D is incorrect.
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