ISC (Commerce)
ISC (Arts)
ISC (Science)
Academic Year: 2018-2019
Date: मार्च 2019
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Part I consists of one question of 20 marks having five subparts.
Part II consists of Sections A, B, and C.
Section A consists of Seven questions of two marks each.
Section B consists of seven questions of three marks each and
Section C consists of three questions of five marks each.
Name the antibody which is most effective in allergies.
Chapter: [10] Human Health and Diseases
What is a clone?
Chapter: [11] Strategies for Enhancement in Food Production
Answer the following question:
What do detritus food chains begin with?
Chapter:
How many chromosomes are present in meiocytes of a fruit fly?
Chapter:
Give the scientific term used for the preservation of germplasm at a very low temperature.
Chapter:
Choose the correct options of the following question:
Eyelids in human foetus separate in :
14 weeks
16 weeks
24 weeks
40 weeks
Chapter:
Choose the correct options of the following question:
Study the given monohybrid cross:
A test cross for this Fj will be:
Tt × TT
Tt × tt
Tt × Tt
TT × tt
Chapter: [5] Principles of Inheritance and Variation
Choose the correct options of the following question:
Montreal Protocol aims at:
Reduction of ozone-depleting substances
Biodiversity conservation’
Control of water pollution
Control of CO2 emission.
Chapter:
In the given pedigree chart, the trait shown is:
Autosomal dominant
Autosomal recessive
X-linked
Y-linked
Chapter:
Give one significant contribution to the following scientists:
Wallace
Chapter:
Give one significant contribution to the following scientists:
Prof. R. Mishra
Chapter:
Give one significant contribution to the following scientists:
G. Gamow
Chapter:
Give one significant contribution to the following scientists:
Sanger
Chapter: [6] Molecular Basis of Inheritance
Define the Homologous chromosomes
Chapter: [5] Principles of Inheritance and Variation
Give a reason for the following:
Bagging is essential in artificial hybridisation.
Chapter:
Give a reason for each the following:
Climax stage is achieved quickly in secondary succession as compared to primary succession.
Chapter: [16] Ecosystem
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Enumerate any four essential features of good and effective poultry farm management practices.
Chapter:
What is a single cell protein? How is it significant for human welfare?
Chapter: [11] Strategies for Enhancement in Food Production
List four effects of alcoholism on human health.
Chapter:
State four features of flowers pollinated by insects.
Chapter: [2] Sexual Reproduction in Flowering Plants
What is reproductive fitness? Explain it with the help of an example.
Chapter:
Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.
Chapter: [10] Human Health and Diseases
Explain the term biofortification.
Chapter: [14] Biotechnology and Its Applications
How is the biofortification technique useful for the production of golden rice?
Chapter:
Write a short note on Electrophoresis.
Chapter: [13] Principles and Processes of Biotechnology
Explain the evolution of the long neck of giraffe according to Charles Darwin.
Chapter: [8] Evidences and Theories of Biological Evolution
Draw a labelled diagram of the T.S. of a mature anther.
Chapter:
Draw a diagram of the internal structure of the human ovary.
Chapter:
Describe the structure of a nucleosome.
Chapter: [6] Molecular Basis of Inheritance
Explain the rivet Popper hypothesis.
Chapter: [17] Biodiversity and Its Conservation
Define the Stenothermal organisms.
Chapter: [15] Organisms and Populations
Give the biological name of the following:
The mould from which penicillin is obtained.
Chapter: [12] Microbes in Human Welfare
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Give the biological name of the following:
Baker’s yeast
Chapter: [1] Reproduction in Organisms
Give the biological name of the following:
The microbe used to control insect larvae growing on cotton.
Chapter: [12] Microbes in Human Welfare
Give the biological name of the following:
The microbe used to produce Swiss cheese.
Chapter: [12] Microbes in Human Welfare
Give the biological name of the following:
The fungus that is being developed as a bio-control agent.
Chapter: [12] Microbes in Human Welfare
Give the biological name of the following:
A symbiotic nitrogen-fixing bacterium found in root nodules.
Chapter: [12] Microbes in Human Welfare
Explain the different types of endosperms in angiosperms.
Chapter: [2] Sexual Reproduction in Flowering Plants
A homozygous pea plant with round seed coat and yellow cotyledons are crossed with another homozygous, pea plant having wrinkled seed coat and green cotyledons.
- Give the types of gametes produced by plants of F-generation.
- Give the dihybrid phenotypic ratio with the corresponding phenotypes.
- State Mendel’s principle involved in this cross.
Chapter: [5] Principles of Inheritance and Variation
Describe the physicochemical events that take place during fertilization in humans.
Chapter:
Give the role of amniocentesis.
Chapter: [4] Reproductive Health
Name the causative agent of gonorrhea.
Chapter: [4] Reproductive Health
What is the significance of the dispersal of seeds? Give any two points.
Chapter:
How is the chromosome number maintained in sexually reproducing organisms?
Chapter:
What are the restriction endonucleases? Give the rules of their nomenclature.
Chapter: [13] Principles and Processes of Biotechnology
Explain the mechanism of action of restriction endonucleases that makes them suitable for genetic engineering.
Chapter: [13] Principles and Processes of Biotechnology
Explain what are the desirable characteristics of an ideal cloning vector used in rDNA technology.
Chapter: [13] Principles and Processes of Biotechnology
Describe two vectors less methods of gene transfer used in rDNA technology.
Chapter: [13] Principles and Processes of Biotechnology
Explain the carbon cycle with the help of a simplified model.
Chapter: [16] Ecosystem
Give a graphic representation of the phosphorus cycle in nature (ecosystem).
Chapter: [16] Ecosystem
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