CHAPTER PRACTICE PROBLEM

Chapter Practice Problems

FIITJEE CHENNAI CENTRE

Subject: Biology

Topic CELL

TIME/MM : MIN/

Chapter Practice Problems

1 Mark question

1. Of the four classes of cellular macromolecules, which one is not a component of cell membranes?

(a) nucleic acids(b) lipids(c) carbohydrates (d) proteins

2. Which is near to plasma membrane?

(a) Tonoplast

(b) primary cell wall

(c) middle lamella

(d) secondary cell wall

3. The membrane which allows passage of certain substances more readily than others is termed as

(a) permeable

(b) impermeable

(c) semipermeable

(d) selectively permeable

4. The function of channel proteins in membrane is to

(a) transport phospholipids across the membrane

(b) act as receptor molecules which can bind to hormones

(c) permit the diffusion of specific substances through the membrane

(d) bind to a substance on one side of the membrane & release it on the other side

5. Diffusion of water through a selectively permeable membrane is called

(a) osmosis

(b) diffusion only

(c) active transport

(d) facilitated diffusion

6. Carrier molecules facilitating transport across membrane are

(a) alkaloids(b) starch(c) proteinaceous (d) fatty acids7. Plant cell walls mainly consist of

(a) starch (b) cellulose(c) protein (d) glycogen

8. Sarcosome are

(a) Myofibrils

(b) muscle proteins

(c) muscle fibres

(d) muscle mitochondria

9. Which statement is correct?

(a) mitochondria contain circular DNA, but chloroplasts lack it

(b) chloroplasts contain circular DNA, but mitochondria lack it

(c) Neither mitochondria nor chloroplasts contain any DNA

(d) Both of them contain circular DNA

10. The chloroplast thylakoids are in the form of

(a) stacked discs

(b) interconnected sacs

(c) independent discs

(d) inter connected tubule

11. Factory for synthesis of sugars in autotrophic eukaryotes is

(a) Mitochondrion

(b) ribosome

(c) Endoplasmic reticulum(d) chloroplast

12. The color of chromoplast can be:

(a) red(b) yellow (c) orange(d) all of the above

13. Smooth endoplasmic reticulum is well developed in cells which synthesize

(a) proteins (b) steroids(c) carbohydrates(d) all of these

14. Which organelle is located near nucleus and contains a collection of flattened membrane bounded cisternae?

(a) nucleus (b) glogi complex (c) centriole(d) mitochondrion

15. The functional unit of golgi appartus is

(a) cristae(b) oxysomes(c) cisternae(d) thylakoids

3 mark questions

16. Explain the cell theory

17. What are the basic function of a cell?

18. Differentiate a plant cell and animal cell

19. Explain about the cytoplasm in detail

20. State the differences between chromatin, chromosome & chromatid

21. Explain about the fluid-mosaic model

22. What are non-membranous organelles, write a short note on their functions

23. Draw & explain about the nucleus?

24. Draw an animal cell neatly & label its parts

25. Draw a plant cell neatly & label its parts

5 mark questions

26. Explain about the double membranous organelles with a neat diagram

27. Explain the basic properties of cells

28. Explain about Lysosomes & vacuoles

FIITJEE Chennai Centre. New No: 11, 29th Cross Street, Indira Nagar, Adyar, Chennai-20. Ph.64609556.E-mail:adyar@fiitjee.com.

FIITJEE Chennai Centre. New No: 11, 29th Cross Street, Indira Nagar, Adyar, Chennai-20. Ph.64609556.E-mail:adyar@fiitjee.com.