Introduction
Welcome to this NEET Biology past questions tutorial. In today’s lesson, we address an Assertion and Reason question — a common format in NEET that tests your conceptual understanding and reasoning ability in cell biology. This question focuses on the Golgi apparatus and its role in cellular transport and packaging.
Let’s get started with the questions and answers.
Question 1: Assertion and Reason
Instruction:
Read the two statements below carefully and choose the correct option.
Assertion (A):
The primary function of the Golgi apparatus is to package materials made by the endoplasmic reticulum and deliver them to intracellular targets and outside the cell.
Reason (R):
Vesicles containing materials made by the endoplasmic reticulum fuse with the cis-face of the Golgi apparatus, where they are modified and released from the trans-face of the Golgi apparatus.
Options
A) A is true but R is false
B) A is false but R is true
C) Both A and R are true, and R is the correct explanation of A
D) Both A and R are true, but R is not the correct explanation of A
Correct Answer
C) Both A and R are true, and R is the correct explanation of A
Explanation
- The Golgi apparatus functions as the packaging and distribution center of the cell, modifying and sorting proteins and lipids synthesized by the endoplasmic reticulum (ER).
- Vesicles from the ER enter the cis-face of the Golgi apparatus, undergo modifications like glycosylation or phosphorylation, and exit through the trans-face for delivery either within the cell or outside it.
- Since both statements are true and the reason correctly explains the assertion, Option C is correct.
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Conclusion
Understanding the Golgi apparatus and its interaction with the endoplasmic reticulum is essential for mastering cell biology concepts in NEET examinations. Assertion and Reason questions like this test your ability to not only recall facts but also connect processes within the cell. By practicing similar past questions, you develop a deeper understanding of cellular transport, packaging, and secretion, which are foundational for many other topics in molecular biology and physiology.
Regular revision of past NEET questions and focusing on the reasoning behind correct answers will help you boost accuracy and confidence during the actual exam.
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