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Bioscience Question paper (AS104)

Very short type (10-20 words)1. Who discovered the cell and nucleus?2. What are the main components of plasma membrane/cell membrane?3. What is basic difference between SER and RER?4. What are the main enzymes present in lysosome.5. What is central dogma6. Name the model of DNA replication.7. Glycolysis occurs in ..8. Name the organelle where respiration occur and how many ATP are generated in whole

process.9. ETS, NADH, FADH stand for..10. How many ATP are generated from one NADH and FADH coenzymes molecule?11.What is end product of glycolysis?12.Write the full equation of cellular respiration.13.Name the final electron acceptor in cellular respiration.14.Write the end product of anaerobic respiration.15.Who gave the DNA double helical model?16.What is gene?17.Write the name of Nitrogenous bases present in DNA and RNA.18.Name the main enzyme of DNA replication.19.Name the initiating, terminating codons.20.If a DNA nucleotide is ATTTAGG then what would be the complementary mRNA

nucleotide sequence.

21.What happens to chromosomes during metaphase and anaphase?22.During which stages of cell does DNA replication occur?23. At what phase of mitosis does a chromosomes become visible?24. What VNTR stand for?25.What is the purpose of PCR?26.What techniques does scientist use to compare DNA?27. What are GMO/GMF/Transgenic? Name any two.28.How many pairs of autosomes present in humans?

Short Answer (30-50)

29.Explain cell theory?30.Mention the function of following:

i Endoplasmic reticulum.

ii lysosomes.

iii Nucleus.iv Golgi bodies.v Ribosomes

vi Peroxysomes

vii Placenta31.Differentiate between the following

(a)Prokaryotic and Eukaryotic cell.(b)DNA and RNA.

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(c)Sexual and Asexual reproduction.(d)DNA sequencing and DNA fingerprinting.(e)Mitosis and Meiosis(f) Phagocytosis and Pinocytosis.(g)Plant and Animal cell(h)

Prokaryotic and Eukaryotic cell(i) Embryonic and Adult stem cell.

(j) Oogenesis and Spermatogenesis(k)Animal cloning and gene cloning(l) Haploid and Diploid(m)Protooncogenes and tumour suppressor gene(n)Klinefelter and Turner syndrome

32.Write the main properties of DNA with well labeled diagram.33.Name the important enzymes involved in transcription and translation process.34.How the protein quantity and quality can be regulated inside the cell.35.Describe the function and principle of polymerase chain reaction.36.

What is electrophoresis? Why the DNA migrates fromve to + end terminal.37.What is pleuripotent stem cell? How these cell can be useful for humans.

38.Define following terms:a. Codonsb. Fertilizationc. Gametogenesisd. Genee. Cellf. Somatic cell nuclear transferg. Cytokinensish. Stem celli. Vectorsj. Gene Therapyk. Human genome projectl. Base pair rulem.p53 proteinn. Sanger methodo. Ovarian Cycle

Long Answer (80-120)39.Explain the fluid mosaic model of cell membrane and its function.40.What is cellular respiration with special emphasis given on glycolysis and Krebs cycle

with proper flow diagrammatic representation?41.Discuss the semi conservative model of DNA replication.42.What is cell cycle? Explain the different stages of Mitosis process.43.Explain the process of Translation and Transcription.44.Explain briefly the DNA fingerprinting techniques and its application in modern world45.Define cloning? Explain the gene cloning/animal cloning with the suitable illustration.