ninth class biology mcqs (the cell)

14
Chapter 2 The Cell (Why is brain placed higher than heart? It is to keep brilliance of brain higher than heart…!) Biology MCQs 1 Dr. Sajid Ali Talpur

Upload: dr-sajid-ali-talpur

Post on 10-May-2015

5.421 views

Category:

Technology


6 download

DESCRIPTION

In sha Allah no mcq will come out of this in the exam

TRANSCRIPT

Page 1: Ninth class biology mcqs (the cell)

Chapter 2

The Cell

(Why is brain placed higher than heart? It is to keep brilliance of brain higher than heart…!)

Biology MCQs 1 Dr. Sajid Ali Talpur

Page 2: Ninth class biology mcqs (the cell)

1. The scientific study of cell is called:a) biology b) cytologyc) histology d) genetics

2. The first cell was discovered in the:a) Animals b) Plantsc) fungi d) cork

3. Cell and nucleus were discovered by ____ and ____ respectively.a) Schwann, Schliedenb) Robert Hook, Galileoc) Robert Hook, Robert Brownd) R. Virchow, Robert Hook

4. Cell and nucleus were discovered in____ and _____ respectively.a) 1610, 1665 b) 1665, 1710c) 1665, 1831 d) 1765, 1831

5. It is not found in the cells of humans, lions and sparrows:a) nucleus b) cell membrane c) cytoplasm d) cell wall

6. Fugal cell wall is mainly consist of:a) cellulose b) chitinc) amino acid, sugar and chitind) A.O.T

Biology MCQs 2 Dr. Sajid Ali Talpur

Page 3: Ninth class biology mcqs (the cell)

7. All are the postulates of cell theory except:a) all organisms are composed of cellsb) cell is the basic structural and functional unit of lifec) cells can arise from non-living sourced) cells only arise from pre-existing cells

8. All are the properties of cell wall except:a) found in plants cellsb) has three layersc) maintains the shape of celld) is selectively permeable

9. The animal cell without cell membrane is called:a) protoplasm b) protoplastc) cytoplasm d) N.O.T

10. The layer of cell wall found between two adjacent cells is called:a) primary wall b) secondary wallc) tertiary wall d) middle lamellae

11. The fluid mosaic model was proposed by Singer and Nicolson in:a) 1869 b) 1969c) 1872 d) 1972

12. Cell membrane is consist of:

Biology MCQs 3 Dr. Sajid Ali Talpur

Page 4: Ninth class biology mcqs (the cell)

a) proteins + nucleic acidsb) proteins + phospholipidsc) phospholipids + nucleic acidsd) amino acids, sugar and chitin

13. Nucleus is filled with a gel like material called:a) nuclear gel b) chromatin networkc) nucleoplasm d) nucleolus

14. Find the incorrect statement about nuclear membrane:a) it is a double layered membraneb) it covers nucleus in all organismsc) it has pores d) N.O.T

15. Chromosomes are composed of:a) proteins & phospholipidsb) proteins & RNAc) proteins & DNAd) DNA & RNA

16. Regarding the nucleus all are true except:a) it is always covered by nuclear membraneb) it communicates with cytoplasmc) it controls all the activities of celld) it contains genetic material

Biology MCQs 4 Dr. Sajid Ali Talpur

Page 5: Ninth class biology mcqs (the cell)

17. The main metabolic reactions of cell take place in:a) nucleus b) cytoplasmc) cell membrane d) cell wall

18. The number of chromosomes in humans is:a) 23 pair b) 26 pairc) 46 pair d) 48 pair

19. The fluid portion of cytoplasm is called:a) cytosol b) cyclosisc) inclusions d) N.O.T

20. Protein synthesis takes place in:a) nucleus b) cytoplasmc) cell membrane d) cell wall

21. The respiration in bacteria occurs at the level of:a) mitochondria b) ribosomesc) E.R d) N.O.T

22. Find the incorrect statement about mitosis:a) it produces two daughter cellsb) the daughter cells contain half no. of chromosomesc) it takes place in all body except germ celld) N.O.T

Biology MCQs 5 Dr. Sajid Ali Talpur

Page 6: Ninth class biology mcqs (the cell)

23. In which phase of cell division the centromere divides and the chromatids move to the opposite pole:a) prophase b) metaphasec) anaphase d) telophase

Questions 24 - 40 Select from the terms below

A) True B) False

24. Cell is the structural but not the functional unit of life:

25. Galileo was not a biologist but a physicist and astronomist:

26. All the cell structures of all cells are living:

27. Resolution means to enlarge the size of the image

28. All the cells have always constant shape

29. All the activities of life take place within cell

30. Cell wall is a non living structure

31. Cell wall is always composed of cellulose

Biology MCQs 6 Dr. Sajid Ali Talpur

Page 7: Ninth class biology mcqs (the cell)

32. The fluid mosaic model describes cell wall

33. Cell membrane can repair itself

34. All the molecules can easily pass through cell membrane

35. Water can not pass through cell wall

36. Endocytocis can take place within cell wall

37. Chromosomes can be seen every time in the cell

38. The majority of microorganisms have prokaryotic cell

39. Prokaryotic cells are smaller in size than eukaryotic cells.

40. Ribosomes are always found free in the prokaryotic cell.

Questions 41 – 50 Select from the terms below:

A) Mitochondria B) Golgi complexC) Endoplasmic ReticulumD) Riobosomes E) VacuoleF) Chloroplast G) ChromoplastH) Centriole I) N.O.T

Biology MCQs 7 Dr. Sajid Ali Talpur

Page 8: Ninth class biology mcqs (the cell)

41. It is known as power house of cell

42. It is known as kitchen of cell

43. It is known as protein factory

44. It is covered by tonoplast

45. It is involved in the cell division

46. It possesses various colors except green:

47. It is present in the underground parts of plant like roots

48. It is a network of tubules extending from nuclear membrane to cell membrane:

49. It is a rounded structure present near the nucleus in the animal cell:

50. Its inner membrane is folded called cristae:

Biology MCQs 8 Dr. Sajid Ali Talpur

Page 9: Ninth class biology mcqs (the cell)

Answer Key

1 B 2 D 3 C4 C 5 D 6 B7 C 8 C 9 A10 D 11 C 12 B13 C 14 B 15 C16 A 17 B 18 A19 B 20 B 21 D22 B 23 C 24 B25 A 26 B 27 B28 B 29 A 30 A31 B 32 B 33 A34 B 35 B 36 B37 B 38 B 39 A40 A 41 A 42 F43 D 44 E 45 H46 G 47 I 48 C49 I 50 A

Biology MCQs 9 Dr. Sajid Ali Talpur