Cell: The Unit of Life

Class 11 · Biology · 12 Questions

1beginner🧠 Remember1 markMCQ

Which of the following is not correct?

2beginner🧠 Remember1 markMCQ

New cells generate from

3intermediate💡 Understand3 marksMatching

Match the following

Column I	Column II
(a) Cristae	(i) Flat membranous sacs in stroma
(b) Cisternae	(ii) Infoldings in mitochondria
(c) Thylakoids	(iii) Disc-shaped sacs in Golgi apparatus

4beginner💡 Understand1 markMCQ

Which of the following is correct:

6intermediate💡 Understand3 marksShort Answer

How do neutral solutes move across the plasma membrane? Can the polar molecules also move across it in the same way? If not, then how are these transported across the membrane?

7intermediate💡 Understand5 marksLong Answer

Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their functions and draw labelled diagrams of both.

8intermediate💡 Understand5 marksLong Answer

What are the characteristics of prokaryotic cells?

9intermediate💡 Understand3 marksShort Answer

Multicellular organisms have division of labour. Explain.

10intermediate💡 Understand3 marksShort Answer

Cell is the basic unit of life. Discuss in brief.

11beginner🧠 Remember2 marksShort Answer

What are nuclear pores? State their function.

12intermediate🔍 Analyze2 marksShort Answer

Both lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their functions. Comment.

14intermediate💡 Understand5 marksLong Answer

What is a centromere? How does the position of centromere form the basis of classification of chromosomes. Support your answer with a diagram showing the position of centromere on different types of chromosomes.