National Open University Exam Past Question BIO 303 MARCH/APRIL 2015

National Open University of Nigeria

14-16 Ahmadu Bello Way, Victoria Island Lagos

School of science and technology

MARCH/APRIL 2015 Examination

^{COURSE CODE: BIO 303}

^{COURSE TITTLE: GENERAL CYTOLOGY}

^{TIME ALLOWED: 2hrs}

^{Instructions: ANSWER QUESTION 1
AND ANY OTHER THREE QUESTIONS}

^{1. a. three major control
check point exits during the course of eukaryotic cell cycle. Mention these
checkpoints. Explain anyone of these checkpoint 10marks}

^{b.
in a tabular form make a brief comparism between RNA and Proteins 15
marks}

^{2. a. define the following
terms}

^{i. cytogenetics 2marks}

^{ii. cytology 2 marks}

^{iii. genetics 2 marks}

^{b. i. mention the different types of
structural chromosomal variations 4 marks}

^{ii. define each of the mention structural
chromosomal variation 4marks}

^{c. i. what is numeric chromosomal variation
? 5marks}

^{ii. mention the different types of
chromosomal variations 6marks}

^{3. a. mention the general
cytogenetic procedures synonymous to all cytogenetics techniques 8marks}

^{b. i. define karyotype 2marks}

^{ii. after karyotyping mention the
observable characteristics in the chromosomes 5marks}

^{c. Outline the importance
and application of cytogenetics. 10marks}

^{4. a. mention the molecular
composition of a cell 5marks}

^{b. state the functions and importanse of
protein in living cell 5marks}

^{c. mention the different type of nucleic
acids 5marks}

^{d. outline the roles of the different type
of nucleic aciss 10 marks}

^{5. i. mention the two major phase of cell cycle 4 marks}

^{ii. name the five stages of mitosis 5marks}

^{iii. define the word EMBRYOLOGY 2 marks}

^{iv. mention the stages of Embryogenesis 4marks}

^{v. explain briefly the word DIAKINESIS 10MARKS}

^{6. a. state the functions of the following part
of a Light Microscope}

^{I. eye piece}

^{ii. Body tube}

^{iii. Objectives}

^{iv. Diaphragm}

^{v. stage 15marks}

^{b. state the advantages of phase contrast microscope}

^{c define dark
field microscopy 2marks}

^{d.
mention two advantages of an electron microscope}

^{1. a. three major control
check point exits during the course of eukaryotic cell cycle. Mention these
checkpoints. Explain anyone of these checkpoint 10marks}

^{b.
in a tabular form make a brief comparism between RNA and Proteins 15
marks}

^{2. a. define the following
terms}

^{i. cytogenetics 2marks}

^{ii. cytology 2 marks}

^{iii. genetics 2 marks}

^{b. i. mention the different types of
structural chromosomal variations 4 marks}

^{ii. define each of the mention structural
chromosomal variation 4marks}

^{c. i. what is numeric chromosomal variation
? 5marks}

^{ii. mention the different types of
chromosomal variations 6marks}

^{3. a. mention the general
cytogenetic procedures synonymous to all cytogenetics techniques 8marks}

^{b. i. define karyotype 2marks}

^{ii. after karyotyping mention the
observable characteristics in the chromosomes 5marks}

^{c. Outline the importance
and application of cytogenetics. 10marks}

^{4. a. mention the molecular
composition of a cell 5marks}

^{b. state the functions and importanse of
protein in living cell 5marks}

^{c. mention the different type of nucleic
acids 5marks}

^{d. outline the roles of the different type
of nucleic aciss 10 marks}

^{5. i. mention the two major phase of cell cycle 4 marks}

^{ii. name the five stages of mitosis 5marks}

^{iii. define the word EMBRYOLOGY 2 marks}

^{iv. mention the stages of Embryogenesis 4marks}

^{v. explain briefly the word DIAKINESIS 10MARKS}

^{6. a. state the functions of the following part
of a Light Microscope}

^{I. eye piece}

^{ii. Body tube}

^{iii. Objectives}

^{iv. Diaphragm}

^{v. stage
15marks}

^{b. state the advantages of phase contrast microscope}

^{c define dark
field microscopy 2marks}

^{d.
mention two advantages of an electron microscope}

^{1. a. three major control
check point exits during the course of eukaryotic cell cycle. Mention these
checkpoints. Explain anyone of these checkpoint 10marks}

^{b.
in a tabular form make a brief comparism between RNA and Proteins 15
marks}

^{2. a. define the following
terms}

^{i. cytogenetics 2marks}

^{ii. cytology 2 marks}

^{iii. genetics 2 marks}

^{b. i. mention the different types of
structural chromosomal variations 4 marks}

^{ii. define each of the mention structural
chromosomal variation 4marks}

^{c. i. what is numeric chromosomal variation
? 5marks}

^{ii. mention the different types of
chromosomal variations 6marks}

^{3. a. mention the general
cytogenetic procedures synonymous to all cytogenetics techniques 8marks}

^{b. i. define karyotype 2marks}

^{ii. after karyotyping mention the
observable characteristics in the chromosomes 5marks}

^{c. Outline the importance
and application of cytogenetics. 10marks}

^{4. a. mention the molecular
composition of a cell 5marks}

^{b. state the functions and importanse of
protein in living cell 5marks}

^{c. mention the different type of nucleic
acids 5marks}

^{d. outline the roles of the different type
of nucleic aciss 10 marks}

^{5. i. mention the two major phase of cell cycle 4 marks}

^{ii. name the five stages of mitosis 5marks}

^{iii. define the word EMBRYOLOGY 2 marks}

^{iv. mention the stages of Embryogenesis 4marks}

^{v. explain briefly the word DIAKINESIS 10MARKS}

^{6. a. state the functions of the following part
of a Light Microscope}

^{I. eye piece}

^{ii. Body tube}

^{iii. Objectives}

^{iv. Diaphragm}

^{v. stage
15marks}

^{b. state the advantages of phase contrast microscope}

^{c define dark
field microscopy 2marks}

^{d.
mention two advantages of an electron microscope}

^{1. a. three major control
check point exits during the course of eukaryotic cell cycle. Mention these
checkpoints. Explain anyone of these checkpoint 10marks}

^{b.
in a tabular form make a brief comparism between RNA and Proteins 15
marks}

^{2. a. define the following
terms}

^{i. cytogenetics 2marks}

^{ii. cytology 2 marks}

^{iii. genetics 2 marks}

^{b. i. mention the different types of
structural chromosomal variations 4 marks}

^{ii. define each of the mention structural
chromosomal variation 4marks}

^{c. i. what is numeric chromosomal variation
? 5marks}

^{ii. mention the different types of
chromosomal variations 6marks}

^{3. a. mention the general
cytogenetic procedures synonymous to all cytogenetics techniques 8marks}

^{b. i. define karyotype 2marks}

^{ii. after karyotyping mention the
observable characteristics in the chromosomes 5marks}

^{c. Outline the importance
and application of cytogenetics. 10marks}

^{4. a. mention the molecular
composition of a cell 5marks}

^{b. state the functions and importanse of
protein in living cell 5marks}

^{c. mention the different type of nucleic
acids 5marks}

^{d. outline the roles of the different type
of nucleic aciss 10 marks}

^{5. i. mention the two major phase of cell cycle 4 marks}

^{ii. name the five stages of mitosis 5marks}

^{iii. define the word EMBRYOLOGY 2 marks}

^{iv. mention the stages of Embryogenesis 4marks}

^{v. explain briefly the word DIAKINESIS 10MARKS}

^{6. a. state the functions of the following part
of a Light Microscope}

^{I. eye piece}

^{ii. Body tube}

^{iii. Objectives}

^{iv. Diaphragm}

^{v. stage
15marks}

^{b. state the advantages of phase contrast microscope}

^{c define dark
field microscopy 2marks}

^{d.
mention two advantages of an electron microscope}

^{1. a. three major control
check point exits during the course of eukaryotic cell cycle. Mention these
checkpoints. Explain anyone of these checkpoint 10marks}

^{b.
in a tabular form make a brief comparism between RNA and Proteins 15
marks}

^{2. a. define the following
terms}

^{i. cytogenetics 2marks}

^{ii. cytology 2 marks}

^{iii. genetics 2 marks}

^{b. i. mention the different types of
structural chromosomal variations 4 marks}

^{ii. define each of the mention structural
chromosomal variation 4marks}

^{c. i. what is numeric chromosomal variation
? 5marks}

^{ii. mention the different types of
chromosomal variations 6marks}

^{3. a. mention the general
cytogenetic procedures synonymous to all cytogenetics techniques 8marks}

^{b. i. define karyotype 2marks}

^{ii. after karyotyping mention the
observable characteristics in the chromosomes 5marks}

^{c. Outline the importance
and application of cytogenetics. 10marks}

^{4. a. mention the molecular
composition of a cell 5marks}

^{b. state the functions and importanse of
protein in living cell 5marks}

^{c. mention the different type of nucleic
acids 5marks}

^{d. outline the roles of the different type
of nucleic aciss 10 marks}

^{5. i. mention the two major phase of cell cycle 4 marks}

^{ii. name the five stages of mitosis 5marks}

^{iii. define the word EMBRYOLOGY 2 marks}

^{iv. mention the stages of Embryogenesis 4marks}

^{v. explain briefly the word DIAKINESIS 10MARKS}

^{6. a. state the functions of the following part
of a Light Microscope}

^{I. eye piece}

^{ii. Body tube}

^{iii. Objectives}

^{iv. Diaphragm}

^{v. stage
15marks}

^{b. state the advantages of phase contrast microscope}

^{c define dark
field microscopy 2marks}

^{d.
mention two advantages of an electron microscope}

^{1. a. three major control
check point exits during the course of eukaryotic cell cycle. Mention these
checkpoints. Explain anyone of these checkpoint 10marks}

^{b.
in a tabular form make a brief comparism between RNA and Proteins 15
marks}

^{2. a. define the following
terms}

^{i. cytogenetics 2marks}

^{ii. cytology 2 marks}

^{iii. genetics 2 marks}

^{b. i. mention the different types of
structural chromosomal variations 4 marks}

^{ii. define each of the mention structural
chromosomal variation 4marks}

^{c. i. what is numeric chromosomal variation
? 5marks}

^{ii. mention the different types of
chromosomal variations 6marks}

^{3. a. mention the general
cytogenetic procedures synonymous to all cytogenetics techniques 8marks}

^{b. i. define karyotype 2marks}

^{ii. after karyotyping mention the
observable characteristics in the chromosomes 5marks}

^{c. Outline the importance
and application of cytogenetics. 10marks}

^{4. a. mention the molecular
composition of a cell 5marks}

^{b. state the functions and importanse of
protein in living cell 5marks}

^{c. mention the different type of nucleic
acids 5marks}

^{d. outline the roles of the different type
of nucleic aciss 10 marks}

^{5. i. mention the two major phase of cell cycle 4 marks}

^{ii. name the five stages of mitosis 5marks}

^{iii. define the word EMBRYOLOGY 2 marks}

^{iv. mention the stages of Embryogenesis 4marks}

^{v. explain briefly the word DIAKINESIS 10MARKS}

^{6. a. state the functions of the following part
of a Light Microscope}

^{I. eye piece}

^{ii. Body tube}

^{iii. Objectives}

^{iv. Diaphragm}

^{v. stage
15marks}

^{b. state the advantages of phase contrast microscope}

^{c define dark
field microscopy 2marks}

^{d.
mention two advantages of an electron microscope}

^{*******************************************************************************}

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