Solapur University
B.Sc. – I (Biotechnology) (Semester – I) (Old) Examination, 2015
CELL BIOLOGY AND BIOSTATISTICS
Paper – I : Cell Biology
Day and Date : Friday, 17-4-2015 Total Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
Instructions : 1) All questions are compulsory.
2) Figures to the right indicates full marks.
3) Draw diagrams wherever necessary.
1. Rewrite the sentences using correct alternative : 10
1) ________________ are called as power house of cell.
a) Golgi complex b) Mitochondria c) Lysosomes d) ER
2) ________________ are involved in protein synthesis.
a) Ribosomes b) Centrioles c) Lysosomes d) SER
3) ________________ is correct sequence of cell cycle.
a) G1, S, G2, M b) M, G1, G2, S
c) G2, G1, S, M d) S, M, G1, G2
4) Thylakoids are present in ________________
a) Stroma b) Grana
c) Plastid membrane d) Golgi complex
5) SER is involved in ________________
a) Lipid synthesis b) Protein synthesis
c) Energy synthesis d) Food synthesis
6) In human being ________________ pairs of chromosomes are present.
a) 23 b) 20 c) 25 d) 24
7) Meiosis occurs in ________________ cells.
a) Somatic b) Germ c) Virus d) Bacteria
SLR-M – 13
8) ________________ is most accepted model of plasma membrane.
a) Fluid mosaic model b) Sandwich model
c) Micelle d) Unit membrane
9) In bacteria, the nuclear material is called as ________________
a) Nucleoid b) Chromatin c) DNA d) Chromosome
10) In prokaryotic cells, ________________ S ribosomes are present.
a) 70 b) 80 c) 90 d) 60
2. Answer the following (any 5) : 10
1) Define cell cycle.
2) What is cell synchrony ?
3) Define apoptosis.
4) Describe wobble hypothesis.
5) What are cytoskeleton ?
6) What is PPLOs ?
3. A) Answer the following (any 2) : 6
1) Describe the cytoskeleton in brief.
2) Describe the structure of mitochondria.
3) Describe the metaphase.
B) Explain the central dogma of protein synthesis. 4
4. Answer the following (any 2) : 10
1) Give the properties of genetic code.
2) Describe the structure of prokaryotic cell.
3) Explain the structure of plasma membrane.
5. Answer the following (any 2) : 10
1) Give an account of polytene chromosome.
2) Describe the structure of nucleus.
3) Describe the animal cell structure.
_____________________
B.Sc. – I (Biotechnology) (Semester – I) (Old) Examination, 2015
CELL BIOLOGY AND BIOSTATISTICS
Paper – I : Cell Biology
Day and Date : Friday, 17-4-2015 Total Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
Instructions : 1) All questions are compulsory.
2) Figures to the right indicates full marks.
3) Draw diagrams wherever necessary.
1. Rewrite the sentences using correct alternative : 10
1) ________________ are called as power house of cell.
a) Golgi complex b) Mitochondria c) Lysosomes d) ER
2) ________________ are involved in protein synthesis.
a) Ribosomes b) Centrioles c) Lysosomes d) SER
3) ________________ is correct sequence of cell cycle.
a) G1, S, G2, M b) M, G1, G2, S
c) G2, G1, S, M d) S, M, G1, G2
4) Thylakoids are present in ________________
a) Stroma b) Grana
c) Plastid membrane d) Golgi complex
5) SER is involved in ________________
a) Lipid synthesis b) Protein synthesis
c) Energy synthesis d) Food synthesis
6) In human being ________________ pairs of chromosomes are present.
a) 23 b) 20 c) 25 d) 24
7) Meiosis occurs in ________________ cells.
a) Somatic b) Germ c) Virus d) Bacteria
SLR-M – 13
8) ________________ is most accepted model of plasma membrane.
a) Fluid mosaic model b) Sandwich model
c) Micelle d) Unit membrane
9) In bacteria, the nuclear material is called as ________________
a) Nucleoid b) Chromatin c) DNA d) Chromosome
10) In prokaryotic cells, ________________ S ribosomes are present.
a) 70 b) 80 c) 90 d) 60
2. Answer the following (any 5) : 10
1) Define cell cycle.
2) What is cell synchrony ?
3) Define apoptosis.
4) Describe wobble hypothesis.
5) What are cytoskeleton ?
6) What is PPLOs ?
3. A) Answer the following (any 2) : 6
1) Describe the cytoskeleton in brief.
2) Describe the structure of mitochondria.
3) Describe the metaphase.
B) Explain the central dogma of protein synthesis. 4
4. Answer the following (any 2) : 10
1) Give the properties of genetic code.
2) Describe the structure of prokaryotic cell.
3) Explain the structure of plasma membrane.
5. Answer the following (any 2) : 10
1) Give an account of polytene chromosome.
2) Describe the structure of nucleus.
3) Describe the animal cell structure.
_____________________
0 comments:
Pen down your valuable important comments below