Questions

(A)    Match the following structures with their respective functions:

Ans:  1 – c; 2 – d; 3 – e; 4 – a; 5 – b

(B)    Fill in the blanks:

1. A cell is made up of there main parts. They are _____, _____ and _____.

Ans:  (Cell membrane, Cytoplasm, Nucleus)

2. The outermost wall of a plant cell and animal cell is _____ and _____ respectively.

Ans: (Cell wall, Plasma membrane)

3. Plasma membrane is made up _____ and ______.

Ans: (Protein and lipid)

4. Cell wall in plant or bacterial cells gives _____ and _____ to its structure.

Ans: (Shape and rigidity)

5. The cells are filled with jelly like substance known as _____.

Ans: (cytoplasm)

6. The controlling centre of all the activities of cell is _____.

Ans:  (Nucleus)

7. ______ is the functional unit of inheritance.

Ans:  (Gene)

8. Genes are located on _____ and they are made of ______.

Ans:  (Chromosomes, Deoxyribo Nucleic Acid )

9. Organisms having cells with undeveloped or primitive nucleus are called as _____.

Ans:  (Prokaryotes)

10. Organisms having cells with a wall developed nucleus are called as ______.

Ans:  (Eukaryotes)

11. Nuclear membrane is present only in _____ type of cells.

Ans:  (eukaryotic)

12. Non-living part of cell are _____ and _____.

Ans:  (cell wall, vacuole)

13. Plant cells contain _____ vacuole which animal cells contain _____ vacuoles.

Ans:  (large, smaller)

14. Chloroplasts are green in colour due to presence of ______ pigment.

Ans:  (chlorophyll)

15. Rough endoplasmic reticulum has rough surface due to the presence of ______ on its outer wall.

Ans:  (ribosome)

16. Proteins and lipids synthesized by endoplasmic reticulum are further transported to _____ organelle.

Ans:  (Golgi appartus)

17. Mitochondria plays important role of producing ______ molecule.

Ans:  (energy rich)

18. Centrioles are present in _____ cell but absent in _____ cell.

Ans:  (animal, plant)

(C)     Multiple Choice Questions:

1. Nucleoplasm is present inside the:-

(a) nucleus                                       (b) Endoplasmic reticulum

(c) Lysosome                                    (d) None of the above

Ans:  (a)

2. Which of the following statement is true?

(a) Protoplasm is comprised of cytoplasm and nucleoplasm

(b) Cytoplasm is comprised of protoplasm and nucleoplasm

(c) Nucleoplasm is comprised of protoplasm and cytoplasm

(d) None of the above

Ans:  (a)

3. Chromosome is single in:-

(a) Prokaryotic cell                          (b) Eukaryotic cell

(c) Animal cell                                  (d) Plant cell

Ans:  (a)

4. Cheek cells contain:-

(a) Plasma membrane, nucleus, cytoplasm

(b) Plasma membrane, nucleus, cytoplasm, membrane bound organelles

(c) Plasma membrane, nucleus, cytoplasm, membrane bound organelles, cell wall

(d) Plasma membrane, nucleus, cytoplasm, membrane bound organelles, free ribosome

Ans:  (b)

5. Information for any function of the body is stored in:-

(a) DNA                                            (b) RNA

(c) Protein                                        (d) None of the above

Ans:  (a)

6. Tick the wrong choice: Plasma or cell membrane is _____.

(a) Outer covering of each animal cell.

(b) Made of lipids and proteins

(c) Superheated gases

(d) A mechanical barrier for the protection of inner cell contents

Ans:  (c)

7. Which organelle is known as the director of the cell?

(a) Nucleus                                       (b) Mitochondria

(c) Endoplasmic reticulum             (d) Golgi apparatus

Ans:  (a)

8. In a eukaryotic cell, nuclear membrane is:-

(a) Double layered, discontinuous

(b) Single layered, discontinuous

(c) Double layered, continuous

(d) Single layered, continuous

Ans:  (a)

9. Prokaryotic cell do not possess:-

(a) Nucleus          (b) DNA               (c) RNA                (d) None of the above

Ans:  (a)

10. The hereditary unit of the living system is:-

(a) Gene                                           (b) Chromosome

(c) DNA                                            (d) Protein

Ans:  (a)

11. Which of the following is true?

(a) Cell wall is selectively permeable

(b) Plasma membrane is rigid

(c) Plasma membrane is selectively permeable

(d) Cell wall is flexible

Ans:  (c)

12. Mitochondria are also called _____.

(a) Suicide bags                               (b) Digestive bags

(c) Protein synthesizers                  (d) Power house of the cell

Ans:  (d)

13. Centrioles are present in _____.

(a) Animal cells only

(b) Plant cells only

(c) In both plant cells and animal cells

(d) In neither plant cells nor animal cells

Ans:  (a)

14. Vacuoles in plant cells _____.

(a) Produce energy for the cell

(b) Synthesize proteins

(c) Defend the cell

(d) Provide turgidity and rigidity to plant cells

Ans:  (d)

15. Organelle not present in animal cells is _____.

(a) Plastid                                         (b) Centrosome

(c) Nucleus                                       (d) Mitochondria

Ans:  (a)

16. The “secretory organelle” of cell is also called _____.

(a) Ribosome                                   (b) Golgi apparatus

(c) Peroxisomes                               (d) Centrosome

Ans:  (b)

17. The kitchen of a plant cell is _____.

(a) Chloroplast                                (b) Mitochondrion

(c) Nucleolus                                   (d) Centosome

Ans:  (a)

18. The ‘Scavengers’ or ‘Digestive bags’ of a cell are _____.

(a) Chromosome                            (b) Centrosome

(c) Lysosome                                   (d) ribosome

Ans:  (c)

19. The site of energy production in a cell is the _____.

(a) Mitochondrion                           (b) Endoplasmic reticulum

(c) Golgi apparatus                          (d) Ribosome

Ans:  (a)

20. Lysosomes are reservoirs of _____.

(a) Fat                                               (b) Secretory glycoproteins

(c) RNA                                             (d) Digestive enzymes

Ans:  (d)

21. The network of endoplasmic reticulum is present in the _____.

(a) nucleus                                       (b) Chromosome

(c) Cytoplasm                                  (d) Golgi apparatus

Ans:  (c)

22. Centrioles are associated with ______.

(a) Digestion                                    (b) Respiration

(c) Reproduction                             (d) Cell division

Ans:  (d)

23. Definite shape of cell is seen in case of:-

(a) Animal cell                                 (b) Plant cells

(c) Both (a) & (b)                            (d) None of these

Ans:  (b)

24. Plant cells generally have

(a) No vacuoles at all

(b) All equal sized vacuoles

(c) Small but large number of vacuoles 

(d) Large but less number of vacuoles

Ans:  (d)

25. In animal cheek cells, nucleus is generally located

(a) Near the plasma membrane

(b) on one side

(c) In the centre

(d) any where in the cell

Ans:  (c)

26. The outermost covering of a plant cell is

(a) Cell wall                                      (b) Nuclear membrane         

(c) Plasma membrane                    (d) Middle lamella

Ans:  (a)

27. The organelle not present in human cheek cell is

(a) Nucleus                                      (b) Mitochondria

(c) Cell membrane                          (d) Chloroplast

Ans:  (d)    

28. The outer most layer of human cheek cell is

(a) Cell wall                                      (b) Nuclear membrane

(c) Cell membrane                          (d) Chloroplast

Ans:  (d)

29. Thyllakoids are present in :-

(a) Nucleus                                       (b) Mitochondria

(c) Chloroplast                                 (d) Golgi complex

Ans:  (c)

30. In eukaryotes, a single bilayer membrane surrounds the :-

(a) Cell                                              (b) Mitochondria

(c) Nucleus                                       (d) Ribosome

Ans:  (a)

31. Nucleopore are present in :-

(a) Plasma Membrane                    (b) Nuclear membrane

(c) Mitochondrion membrane      (d) All of the above

Ans:  (b)

32. Proteins are synthesized in Rough endoplasmic reticulum but modified in :-

(a) Smooth Endoplasmic Reticulum

(b) Mitochondria

(c) Chloroplast

(d) Golgi Apparatus

Ans:  (d)

33. The site of photosynthesis is:

(a) Chloroplast                                 (b) Mitochondria

(c) Nucleus                                       (d) Ribosome

Ans:  (a)

34. In eukaryotic cells, ribosome are located on:

(a) Nucleus

(b) Chloroplast

(c) Rough Endoplasmic Reticulum

(d) Smooth Endoplasmic Reticulum

Ans:  (c)

(D)    Name the following:

1. Site of photosynthesis. _____.

Ans:  (chloroplast)

2. Powerhouse of the cell. ______

Ans:  (mitochondria)

3. Hereditary unit of life. _____ .

Ans:  (gene)

4. A cell having cell wall and chloroplast. _____ .

Ans:  (plant cell)

5. A cell having cell wall but no chloroplast. _____.

Ans:  (fungi cell)

6. A cell having no cell wall and no chloroplast. _____.

Ans:  (animal cell)

7. An organelle having digestive enzymes. _____.

Ans:  (lysosome)

8. Organelles that stores and modifies products synthesized by endoplasmic reticulum. _____.

Ans:  (Golgi body)

9. Organelle that controls all the cellular activities. _____.

Ans:  (nucleus)

10. Organelle which is dead and stores the material like water, minerals etc. _____.

Ans:  (vacoule)

11. An organelle where colour providing pigments are present in plant cells. _____

Ans:  (chromoplast)

12. A dead protective layer in plant cell. _____

Ans:  (cell wall)

13. Living semi permeable membrane in animal cells. _____.

Ans:  (plasma membrane)

14. Cells having nuclear membrane to separate nucleoplasm from cytoplasm. _____

Ans:  (eukaryotic cells)

15. Organisms having primitive type of nucleus. _____

Ans:  (prokaryotes)