studying biology with الهوجاس خاص لـ nurses

[الهوجاس]

الذين يشاهدون محتوى الموضوع الآن : 8 ( الأعضاء 8 والزوار 0)
الهوجاس, FuTure, دلوعه606, JENNY, N.S.ReEeM, غرورالورد, فركتوزة
إخفاء / عرض قائمة من شاهد الموضوع عدد الأعضاء الذين شاهدوا هذا الموضوع : 12
الهوجاس, FuTure, دلوعه606, JENNY, N.S.ReEeM, Romantic--Rose, THE QUEEN, عبير, غرورالورد, فركتوزة

<<<

ماشاء الله



اهم شي تدعون لي :hahaha_2008:

[غرورالورد]

ياربي احس اني مخنوقه وعيوني بتنفجر
ششكرا حبيبتي على هالمراجعه فعلا هائلة
بس الي قاهرني اني شفتها بوقت متأخر:bngo12::Cry 111:

[الهوجاس]

هدي بالك

<<-

وان شاء الله خير

:g20:

[الهوجاس]

Genetics

1- If you know that the alleles of unattached ear lobe trait is dominant over the alleles of attached ear lobes. What is the genotype of a human who has attached ear lobes?
a- EE
b- Ee
c- ee #
d- could be (a) or (b)

2- The term genotype means the:
a- traits of an individual
b- arrangement of duplicated chromosomes in the cells
c- number of an offspring
d- genetic make up of an individual #

3- Normally, humans inherit ……….. pairs of chromosomes from parents.
a- 46
b- 92
c- 23 #
d- 44

4- Which of the following cause(s) (يسبب) change in chromosomal structure?
a- deletion
b- inversion
c- translocation
d- all of the above #

5- Normally, a human male has:
a- two Y chromosome
b- two Y chromosomes and one X chromosome
c- one X chromosome and one Y chromosome #
d- two X chromosomes




6- Persons with Down’s syndrome have trisomy of the:
a- X chromosome
b- Y chromosome
c- chromosome 21 #
d- chromosome 23

7- If an organism of a genotype WW is crossed with another individual ww, ……..
a- 1/4 of their offspring will be WW
b- 1/2 of their offspring will be ww
c- 3/4 of their offspring will be Ww
d- all of their offspring will be Ww #

8- If a man with a blood group O married a woman known to be homozygous for a blood group B, their offspring will have a blood group:
a- B only #
b- A and B
c- AB only
d- O and B

9- Triosomy means presence of………..…. of a definite type of chromosomes in the cells of an individual.
a- a single copy
b- many copies
c- two copies
d- three copies #

10- Which of the following is true, if two individuals of genotype BbCc are crossed?
a- 9/16 of their offspring will have the genotype BBCC
b- 3/16 of their offspring will have the genotype bbcc
c- 3/16 of their offspring will have the genotype BBCC
d- 1/16 of their offspring will have the genotype bbcc #

11- If an individual has a dominant phenotype for a given trait, the genotype will be:
a- homozygous recessive
b- homozygous dominant
c- heterozygous dominant
d- (b) or (c) could be possible #
1- If you know that the alleles of unattached ear lobe trait is dominant over the alleles of attached ear lobes. What is the genotype of a human who has attached ear lobes?
a- EE
b- Ee
c- ee
d- could be (a) or (b)

2- The term genotype means the:
a- traits of an individual
b- arrangement of duplicated chromosomes in the cells
c- number of an offspring
d- genetic make up of an individual

3- Normally, humans inherit ……….. pairs of chromosomes from parents.
a- 46
b- 92
c- 23
d- 44

4- Which of the following cause(s) (يسبب) change in chromosomal structure?
a- deletion
b- inversion
c- translocation
d- all of the above

5- Normally, a human male has:
a- two Y chromosome
b- two Y chromosomes and one X chromosome
c- one X chromosome and one Y chromosome
d- two X chromosomes




6- Persons with Down’s syndrome have trisomy of the:
a- X chromosome
b- Y chromosome
c- chromosome 21
d- chromosome 23

7- If an organism of a genotype WW is crossed with another individual ww, ……..
a- 1/4 of their offspring will be WW
b- 1/2 of their offspring will be ww
c- 3/4 of their offspring will be Ww
d- all of their offspring will be Ww

8- If a man with a blood group O married a woman known to be homozygous for a blood group B, their offspring will have a blood group:
a- B only
b- A and B
c- AB only
d- O and B

9- Triosomy means presence of………..…. of a definite type of chromosomes in the cells of an individual.
a- a single copy
b- many copies
c- two copies
d- three copies

10- Which of the following is true, if two individuals of genotype BbCc are crossed?
a- 9/16 of their offspring will have the genotype BBCC
b- 3/16 of their offspring will have the genotype bbcc
c- 3/16 of their offspring will have the genotype BBCC
d- 1/16 of their offspring will have the genotype bbcc

11- If an individual has a dominant phenotype for a given trait, the genotype will be:
a- homozygous recessive
b- homozygous dominant
c- heterozygous dominant
d- (b) or (c) could be possible

55. In the ABO blood grouping system, the general donner (معطي عام) is normally considered to be:
a. O
b. AB
c. A
d. B

56. If a piece deleted from one chromosome is inserted into its homologue, this is called:
a. variation
b. translocation
c. duplication
d. inversion

57 A person with Xo genetic constitution, suffers from:
a. Turner,s syndrome
b. Klinefelter’s syndrome
c. Non-disjunction of sex chromosomes
d. .both a and c

58. Non-disjunction in an autosome chromosomes could result in :
a. Turner,s syndrome
b. Down,s syndrome
c. Klinefelter’s syndrome
d. all of the above

59. Chromosome structure can be altered ( يتغير) by:
a. deletion
b. translocation and duplication
c. inversion
d. all of the above


63 T F Blood group O is known as universal acceptor.
64 T F Generally, there is no effect of the environmental conditions on gene expression.
65 T F A person with Turner’s syndrome is normally a sterile female.
63 T F Blood group O is known as universal acceptor.
64 T F Generally, there is no effect of the environmental conditions on gene expression.
65 T F A person with Turner’s syndrome is normally a sterile female.
66 T F The ABO blood grouping in humans is an example of codominance of genes.

[الهوجاس]

Cell structure
1. A mature human cell could be:
a. with out nucleus
b. with a single nucleus
c. multinucleated
d. all are correct #

2. The eukaryote cell:
a. has distinct organelles that carry out specific functions #
b. lacks a distinct nucleus and organelles
c. DNA molecule is not surround by membrane
d. contains ribosomes and nucleoid

3. Which of the following is not correct considering the cell theory:
a. all organisms consist of one or more cells
b. all cells have cytoplasm and membranes #
c. all cells arise from pre-existing cells
d. cells are basic units of life

4. Which of the following pairs is not matched?
a. prokaryotic cell - nucleoid
b. Golgi apparatus – packaging and secretion
c. nucleolus – eukaryotic cell
d. lysosomes – prokaryotic cell #

5. The endoplasmic reticulum:
a. has two different surfaces
b. is associated with protein synthesis
c. has sites for lipid synthesis
d. all of the above are correct #



6. Ribosomes are:
a. attached to the rough endoplasmic reticulum
b. concerned with the synthesis of proteins
c. free or attached to membranes
d. all of the above are true #

7. Which of the following is / are true about cilia and flagella:
a. are not of the same length
b. are locomotry organs
c. have (9 + 2) micro-tubular arrangement
d. all of the above are true #

8. All of the following are characteristics of mitochondria, except:
a. production of ATP for cell needs
b. have cristae
c. site of lipid synthesis #
d. have double membrane

9. Component of the cell cytoskeleton are:
a. centriole
b. microfilament
c. microtubules
d. both (b) and (c) are true #

10. Every living cell has a:
a. plasma membrane @
b. lysosome
c. mitochondrion
d. cilia or flagella
In questions 4 –7, match an organelle to each function in the table:

a- cellular respiration b- lipid synthesis
c- protein synthesis d- surround cell ****************************s

4- plasma membrane (d)

5- ribosomes (c)

6- smooth endoplasmic reticulum (b)

7- mitochondrion (a)

8- Inner membrane of mitochondrion is infolded to form:
a- cristae @
b- villi
c- cisternae
d- micro-villi


9- A cell without lysosomes would have difficulty [صعوبة] in:
a- producing short chain polypeptides and amino acids.
b- processing, packaging and secretion of macromolecules
c- digesting food particles @
d- appropriate movement.



10- Which pair of the following structures is generally found in both, eukaryotic and
prokaryotic cells?
a- nucleolus and cell membrane
b- ribosomes and cell membrane @
c- mitochondria and cell membrane
d- nucleus and cell wall

11- The “power houses” of the cell are:
a- cytoskeleton
b- endoplasmic reticulum
c- mitochondria @
d- lysosomes

12- Which one of the following not included in the cytomembrane system?
a- vesicles
b- Golgi bodies
c- lysosomes
d- plasma membrane @

13- Cilia and flagella have the following type of micro-tubular arrangement:
a- (9 + 0)
b- (9 + 2) @
c- (9 + 4)
d- (9 + 6)

In questions 4 –7, match an organelle to each function in the table:

a- cellular respiration b- protein synthesis
c- control center of the cell d- surround cell ****************************s

4- mitochondrion (a)

5- nucleus (c)

6- ribosomes (b)

7- plasma membrane (d)

8- The internal folds of the inner mitochondrial membrane are called:
a- cytoskeleton
b- cristae #
c- cilia
d- centrosome


9- A cell without lysosomes would have difficulty [صعوبة] in:
a- producing short chain polypeptides and amino acids.
b- processing, packaging and secretion of macromolecules
c- digesting food particles #
d- appropriate movement.

10- Which of the following is a membranous structure in the cell?
e- nucleous
f- endopasmic reticulum #
g- ribosome
h- chromosome

11- A mitochondrion:
a- is surrounded by two membranes
b- is considered as a site of ATP production
c- contains its own DNA
d- all of the above #

12- Of the endomembrane system organelles are:
a- mitochondria and lysosomes
b- endoplasmic reticulum and Golgi bodies #
c- nucleolus and plasma membrane
d- cilia and flagella

13- The microtubule array of a flagellum arises [تنشأ] from a:
a- basal body #
b- centromere
c- kinetochore
d- chromosome
10. New cells arise:
a. from tissues
b. from pre-existing cells
c. from abiotic (غير حى) materials
d. by regeneration (تجديد ) of organelles

11. Presence of ………… differentiate a prokaryotic cell from a eukaryote one.
a. plasma membrane
b. DNA molecules
c. ribosomes
d. nucleus

12. One item of the cell theory states that:
a. all cells have nuclei
b. all cells are living
c. cells have different organelles
d. cells are basic units of life

13. Which pair of the following structures is generally found in both, eukaryotic and prokaryotic cells?
a. mitochondria and cell membrane
b. ribosomes and cell membrane
c. nucleus and cell membrane
d. nucleus and cell wall

14. Eukaryotic cell organelles are found in the:
a. cytoplasm
b. nucleoplasm
c. nucleus
d. cytoskeleton



15. The organisms which are made of single cell only are called:
a. unicellular organisms
b. multicellular organisms
c. living organisms
d. prokaryotic organisms

16. Cilia and flagella have the following type of micro-tubular arrangement:
a. (9 + 0)
b. (9 + 1)
c. (9 + 2)
d. (9 + 3)

17. Both ………… and ………. are non membranous cell organelles.
a. nucleus – rough endoplasmic reticulum
b. Golgi bodies – mitochondria
c. cytoskeleton – centrioles
d. smooth endoplasmic reticulum - ribosomes

18. The types of cells are:
a. prokaryote and bacteria
b. animal and plant
c. prokaryote and eukaryote
d. eukaryote and amoeba

19. Which organelle below has its own DNA?
a. lysosome
b. ribosome
c. Golgi body
d. mitochondrion




20. Inside the cell, modification of proteins and lipids occurs finally in the:
a. ribosomes
b. mitochondria
c. Golgi apparatus
d. endoplasmic reticulum

21. The nucleoulus is rich in:
a. DNA and proteins
b. DNA and lipids
c. RNA and lipids
d. RNA and proteins

22. Microtubules of the cell:
a. are components of cilia and flagella
b. make up the cell’s cytoskeleton
c. help hold adjacent (متجاورة ) cells together
d. both a and b are true

23. Which one of the following structures has an important role towards both the cell shape and cell movement?
a. cytoskeleton
b. cytoplasm
c. nucleus
d. cytomembrane system

24. Lysosomes function directly in:
a. cellular respiration
b. synthesis of carbohydrates
c. intracellular digestion
d. intracellular transportation

7. Plant cells not animal cells are characterized by :
a. cell wall.
b. Golgi bodies.
c. plasma membrane.
d. nucleus.

8. Which of the following has triples of microtubular arrangement?
a. flagella.
b. cilia.
c. basal body.
d. both a and b are true.

9. Eukaryotic DNA is contained inside the:
a. Golgi bodies.
b. ribosomes.
c. nucleus.
d. endoplasmic reticulum.

10. Inside the cell the main site for lipid synthesis is:
a. cytoplasm.
b. smooth ER.
c. Golgi bodies.
d. rough ER.

11. The folds of the inner membrane of the mitochondrion are called:
a. endoskeleton.
b. cytoskeleton.
c. cristae.
d. grana.

12. Lysosomes are directly associated with:
a. protein synthesis.
b. lipid synthesis.
c. interacellular digestion.
d. both a and b are true.

25. In the cell theory which of the following statements is not correct:
a. cell is the basic unit of life
b. all organisms are composed of cells
c. new cells arise from pre-existing cells
d. DNA molecules are present inside the nucleus *

26. The power house of the cell is an organelle named as:
a. Golgi body
b. mitochondrion *
c. smooth endoplasmic reticulum
d. ribosome

27. In the cell, centers for protein synthesis are the:
a. mitochondria
b. lysosome
c. ribosomes *
d. centriole




28. Which of the following are prokaryotes?
a. bacteria *
b. fungi
c. protistans
d. plants

29. Proteins are transported out of the cell through:
a. exocytic vesicles *
b. endocytic vesicles
c. diffusion
d. osmosis

30. ………… has significant role (دور هام) in the synthesis of lipids.
a. cytoplasm
b. rough endoplasmic reticulum
c. smooth endoplasmic reticulum *
d. Golgi bodies

31. Eukaryotic DNA molecules are found in:
a. nucleus *
b. plastids
c. nucleolus
d. centriole

32. The prokaryotic cells are characterized by:
a. a distinct nuclear membrane
b. absence of chromatin material
c. presence of chromosomes
d. absence of nuclear membrane *





33. Plant cells have a ………… external to the plasma membrane.
a. cytosol
b. cell wall *
c. cell membrane
d. DNA molecules

34. Peroxisomes are cocerned with:
a. degradation of hydrogen peroxide *
b. conversion of lipid into sugar
c. conversion of carbohydrates into lipid
d. synthesis of hydrogen peroxide

35. The function of the ……….is final modification of lipids and proteins.
a. lysosomes
b. peroxisome
c. smooth endoplasmic reticulum
d. Golgi bodies *

36. The organelle which give the cell it’s characteristic shape and structure composed of:
a. microtubules
b. intermediate filaments
c. microfilaments
d. all of these *

37. The inner membrane of mitochondria composed of folds structure which are called:
a. cristae *
b. endoskeleton
c. cytoskeleton
d. grana



38. Nucleoid is present in:
a. plant cell
b. animal cell
c. bacterial cell *
d. eukaryotic cell

39. ………… is responsible for both the cell shape and the cell movement.
a. cytomembrane system
b. cytosol
c. cytoskeleton *
d. nucleus

40. The two organelles that directly involved in protein synthesis are:
a. endoplasmic reticulum and mitochondria
b. endoplasmic reticulum and ribosomes *
c. lysosomes and ribosomes
d. Golgi bodies and lysosomes

41. An organelles where most ATP production occurs are called:
a. Golgi bodies
b. mitochondria *
c. lysosomes
d. ribosomes

42. …………. is the region where ribosomal unit’s are produce.
a. lysosome
b. nucleoid
c. nucleolus *
d. cytoskeleton

43. The organelles means:
a. are membrane-bound compartments
b. are typical of eukaryotic cells, not prokaryotic cells
c. separate chemical reactions in time and space
d. all of the above are features of the organelles *

44. All of the following are components of the cytomembrane system except:
a. endoplasmic reticulum
b. vesicles
c. Golgi bodies
d. ribosomes *

45. A cellular organelle which is found in both mice and bacteria is the:
a. endoplasmic reticulum
b. ribosomes *
c. Golgi bodies
d. nucleolus

46. Vesicles may bud off:
a. smooth endoplasmic reticulum
b. rough endoplasmic reticulum
c. Golgi bodies
d. all of the above *

47. The cell theory states that:
a. cells are the basic units of life *
b. cells have a plasma membrane
c. mitochondria are present in cells
d. every cell usually has a nucleus




48. An animal cell could be:
a. eukaryotic *
b. prokaryotic
c. a bacterial cell
d. both (a) and (b) are true

49. Of the following which organelle is derived (ينشا من) from the Golgi body:
a. rough endoplasmic reticulum
b. mitochondria
c. lysosomes *
d. ribosomes

50. The (9+2) arrangement of microtubules is found in:
a. centrioles
b. cilia *
c. basal bodies
d. the cytoskeleton

51. Which of the following pairs is not matched:
a. nucleus - DNA
b. lysosomes – lipid synthesis *
c. flagella - locomotion
d. rough endoplasmic reticulum – protein synthesis

52. Which one of the following is not a cell organelle:
a. nucleus
b. Golgi body
c. lysosome
d. cytosol *





53. All of the following are characteristics of mitochondria, except:
a. production of ATP for cell needs
b. presence of cristae
c. presence of inner and outer membranes
d. site of lipid synthesis *

54. Which of these structures is absent in a bacterial cell :
a. DNA
b. nucleoid
c. plasma membrane
d. Golgi bodies *

55. Ribosomes are the site of synthesis of:
a. carbohydrates
b. lipids
c. proteins *
d. starch

56. The function of lysosomes is:
a. protein synthesis
b. synthesis of sugar
c. intracellular digestion *
d. none of the above

57. All cells have a:
a. chloroplast
b. cell wall
c. cell membrane *
d. large central vacuole





58. The cytoskeleton of a cell is made up of:
a. centrioles
b. cilia
c. flagella
d. microfilaments and microtubules *

59. A ……….. is not found in a prokaryotic cell:
a. cell membrane
b. nucleus *
c. ribosome
d. cell wall

60. Cilia and flagella arise from:
a. lysosomes
b. basal bodies *
c. ribosomes
d. smooth endoplasmic reticulum

61. Which organelle below does not belong (ينتمى) to the cytomembrane system, the:
a. endoplasmic reticulum
b. Golgi body
c. lysosome
d. centriole *

62. The fluid part of the cytoplasm of a cell is called:
a. the cytoskeleton
b. an organelle
c. the cytomembrane
d. the cytosol *





63. The …………. plays a significant role (دور هام) in the synthesis of lipids:
a. cytoplasm
b. peroxisome
c. Golgi bodies
d. smooth endoplasmic reticulum *

64. Microtubules of the cell:
a. are components of cilia and flagella
b. make up the cell’s cytoskeleton
c. help hold adjacent cells together
d. both a and b are true *


23. T F Ribosomes are made up of DNA and proteins.
24. T F Centrioles are typically composed of microtubules.

25 T F Cristae are the folds of the inner membrane of the mitochondrion.
64- F Cilia and flagella are of the same length.

65- F The organelle is the basic living unit.

66- T Cells are different in size and shape.

63- F Lysosomes are not part of the endomembrane system.

64- F Cilia and flagella have 9+0 pattern of microtubules

65- T A centrosome has two centrioles.

66- T Cells are different in size and shape.

55. T* F The cells are differ in size and shape.

47. T* F New cells originate (تنشأ ) from pre-existing cells.

48. T F* A fluid portion of the cytoplasm is called the cytoskeleton.

49. T* F Both basal bodies and centrioles have the same structure of microtubules.

51. T F* Smooth endoplasmic reticulum is membrane system that has many ribosomes associated with it.

57. T* F Nuclear pores allow the exchange of materials between the nucleus and the cytoplasm.

[الهوجاس]

Introduction
1. ………. are the fundamental (أساسى ) unit of the life.
a. cells *
b. organs
c. organ systems
d. organelles

2. Transmission of DNA molecules from parents to offspring is controlled by:
a. ribosomes
b. nucleus *
c. Golgi bodies
d. endoplasmic reticulum

3. The ****************bolic processes involves:
a. building up reactions
b. breakdown reactions
c. catabolism
d. both (a) and (b) *

4. The organism can detect a stimulus through:
a. response
b. sensation *
c. reproduction
d. mutation

5. The characteristics of living beings are:
a. ****************bolism
b. homeostasis
c. reproduction
d. all of these *


6. By which of the following processes energy is released from a cell:
a. reproduction
b. catabolism *
c. homeostasis
d. inheritance

7. The energy carrier of cell is:
a. DNA
b. RNA
c. lipid
d. ATP *

1 – The organisms which are made of single cell only are called:
a- living organisms
b- prokaryotic organisms
c- unicellular organisms @
b- multicellular organisms

2- Break down of complex molecules into smaller molecules within a cell is called:
a- anabolism
b- catabolism @
c- ****************bolism
d- none of the above

3- DNA molecules:
a- are passed from one to the following generation
b- are contained within the nucleus of eukaryotic cell
c- undergo mutation
d- all of the above @
1 - The level of organization at which the life starts would be:
a- a cell #
b- a molecule
c- a multicelled organism
b- an ecosystem

2- The ability to get, store and use energy is called:
a- respiration
b- photosynthesis
c- ****************bolism #
d- sensation

3- By which of the following processes DNA can be transferred from one generation to the next?
a- growth
b- reproduction #
c- cell division
d- ****************bolism

1. DNA molecules passes from generation (جيل) to generation through:

a. reproduction.
b. ****************bolism.
c. growth.
d. homeostasis

2. The basic structural and functional unit of life is the:

a. organelle.
b. tissue.
c. organ.
d. cell

3. The ability of organism to react with the stimulus is known as a:

a. sensation.
b. reproduction.
c. growth.
d. response

4. The plants and other photosynthetic organisms are:

a. decomposers.
b. producers.
c. consumers.
d. omnivores.

5. The ability of organisms to control changes of their internal conditions is called:

a. development.
b. mutation.
c. sensation.
d. homeostasis.


6. The organisms that feed only on plants are called:

a. omnivores.
b. herbivores.
c. carnivores..
d. producers.

8. The study of life and living things is known as:
a. biology *
b. ecology
c. biochemistry
d. histology

9. All of the following are characteristics of life except:
a. classification *
b. adaptation
c. reproduction
d. homeostasis

10. ****************bolism in a living organism is the:
a. ability to grow and reproduce
b. ability to adapt
c. total of all chemical reactions that occur inside it’s cells *
d. sensation of the body to stimuli

60- F Prokaryotic cells have a nucleus and membrane bound organelles.

61- T Reproduction and growth are characteristics of all living things.

62- T Mutations may be harmful or harmless.

60- T Eukaryotic cells have a nucleus and membrane bound organelles.

61- T Reproduction and growth are characteristics of all living things.

62- F All genetic mutations are beneficial.

28. T*
F All living organisms are capable of responding to stimuli.

[الهوجاس]

يالله بالتوفيق بنااااااااااااااااات

:D

[فركتوزة]

ماخلصوووووووووو


هااااااااا...........هووووووووووووووووووووف


حلقي يعورني ونعساانة بس كل ماشوف الااسئله ترووح النعسه عفر ماكأني مذااكرة شيء

دهتني الدهتين

الهرمونات أني مافتحته وبكل صراحه :t1: ماحبه ولاشيء ولا ابغا افتحه

أن شاء الله تراقب علينا مس كريس :hahaha_2008:

ونصير اني وشلتي في قاعةً واحدة...حتى نجتهد وبكل أخلاص والدفاع عن الوطن :hahaha_2008:

تصبحو على خيررر ...أكمل الااسئله الساعه ثنتين بعد ماصحى من قيلولتييي:c8:



بالتوفيق قمرررررررررررات


فركتوزة

[غرورالورد]

شكرا
هجووسه
بس بجد سويتي لي حرب اعصاب
ههههههههههه
<<جالسه تراجع في السيكوليتر
حتى النوم طاررررررررررررررررر
بالتوفيق بونيات حلواتتتتتتتتتتتتتت
تذكرا
لازم تتعاونوا على البر والتقوى:hahaha_2008:

[إيلاف]

نيرسز .. هدواا بالكم ..

وركزوا أكثر في المذاكرة .. وان شاء الله ربي ماراح يخيبكم ولا يضيع تعبكم ..

^
^

بسم الله .. ببدأ مراجعة الأسئلة ..