Endomembrane system: ER, Golgi, lysosomes, vacuoles
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : The primary function of the Golgi apparatus is to package the materials made by the endoplasmic reticulum and deliver it to intr… Answer: 1. Both A and R are true and R is the correct explanation of A Key idea: The Golgi apparatus is the packaging and dispatch centre of... 1
- Which of the following are NOT considered as the part of endomembrane system?A. MitochondriaB. Endoplasmic ReticulumC. ChloroplastsD. Golgi complexE. PeroxisomesChoose the most appropriate answer from the options given below: Answer: 3. A, C and E only Key idea: The endomembrane system includes organelles whose functions are coordinated: ER, Golgi complex, lysosom... 1
- Which of the following statements with respect to Endoplasmic Reticulum is incorrect ? Answer: 4. In prokaryotes only RER are present Key idea: Prokaryotes have no endoplasmic reticulum at all, because they lack membrane-bound... 1
- The organelles that are included in the endomembrane system are : Answer: 2. Endoplasmic reticulum, Golgi complex, Lysosomes and Vacuoles The endomembrane system includes organelles whose functions are coor... 1
- Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells ? Answer: 3. Golgi bodies Key idea: Golgi bodies modify and package products from the ER. Proteins and lipids from the ER reach the Golgi, whe... 1
- Which of the following statements is not correct ? Answer: 4. Lysosomes are formed by the process of packaging in the endoplasmic reticulum. Lysosomes are membrane-bound vesicles holding hydr... 1
- Which of the following events does not occur in rough endoplasmic reticulum ? Answer: 4. Phospholipid synthesis Key idea: The rough ER has ribosomes and handles proteins that enter its lumen. Protein folding, cleavage... 1
- The Golgi complex participates in Answer: 3. Formation of secretory vesicles The Golgi complex packs and sorts proteins and lipids into vesicles, including secretory vesicles... 1
- A cell organelle containing hydrolytic enzymes is Answer: 4. lysosome Lysosomes are membrane-bound sacs filled with hydrolytic enzymes (acid hydrolases) that digest proteins, lipids, carbohy... 1
- Which one of the following cell organelles is enclosed by a single membrane ? Answer: 3. Lysosomes Lysosomes are single-membrane sacs, so the answer is option 3. Mitochondria and chloroplasts are enclosed by a double m... 1
- Water soluble pigments found in plant cell vacuoles are : Answer: 4. Anthocyanins Anthocyanins are water-soluble pigments dissolved in the cell sap of vacuoles and give red, blue and purple colours... 1