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Science (English Medium) कक्षा १२ - CBSE Question Bank Solutions for Biology

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Biology
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Placed below are case studies of some couples who were not able to have kids. These couples are not ready for adoption or taking gametes from donors. After thoroughly examining the cases, which Assisted Reproductive Technology will you suggest to these couples as a medical expert? Explain briefly with justification of each case.

Couple Test reports of
Female partner
Test reports of male partner
Couple 1 Normal reports Normal sperms in testes, Missing connection
in epididymis and Vas deferens.
Couple 2 Blockage in the fallopian tube Normal reports
Couple 3 Normal reports Poor semen parameters in terms of count,
motility and morphology.
Couple 4 low ovarian reserve Normal reports
Couple 5 Sterilization in male Morphologically abnormal sperms
[3] Reproductive Health
Chapter: [3] Reproductive Health
Concept: undefined >> undefined

Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase.

[2] Human Reproduction
Chapter: [2] Human Reproduction
Concept: undefined >> undefined

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Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Describe the roles of pituitary and ovarian hormones during the menstrual cycle in a human female.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Name and explain the role of the inner and middle walls of the human uterus.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Explain the role of pituitary and the ovarian hormones in menstrual cycle in human females

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Describe the changes that occur in ovaries and uterus in human female during the reproductive cycle.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Name the function of the following:

Corpus luteum

[2] Human Reproduction
Chapter: [2] Human Reproduction
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What is menstrual cycle?

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Which hormones regulate menstrual cycle?

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Identify True/False statement. Correct false statement to make it true.

Menstrual cycle ceases during pregnancy.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Find out through internet and popular science articles whether animals other than man have self-consciousness.

[6] Evolution
Chapter: [6] Evolution
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List 10 modern-day animals and using the internet resources link it to a corresponding ancient fossil. Name both.

[6] Evolution
Chapter: [6] Evolution
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Using various resources such as your school library or the internet and discussions with your teacher, trace the evolutionary stages of any one animal say horse.

[6] Evolution
Chapter: [6] Evolution
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Discuss briefly the following:

Radioactive wastes

[4] Environmental Issues
Chapter: [4] Environmental Issues
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Why is follicular phase in the menstrual cycle also referred as proliferative phase? Explain.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Explain the events that occur in a graafian follicle at the time of ovulation and thereafter.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Draw a graafian follicle and label antrum and secondary oocyte.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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Explain menstrual cycle in human females.

[2] Human Reproduction
Chapter: [2] Human Reproduction
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How can the scientific understanding of the menstrual cycle of human females help as a contraceptive measure?

[2] Human Reproduction
Chapter: [2] Human Reproduction
Concept: undefined >> undefined
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CBSE Science (English Medium) कक्षा १२ Question Bank Solutions
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Biology
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Chemistry
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Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Hindi (Core)
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Hindi (Elective)
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ History
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Informatics Practices
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Mathematics
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Physical Education
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Physics
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Political Science
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Psychology
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Sanskrit (Core)
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Sanskrit (Elective)
Question Bank Solutions for CBSE Science (English Medium) कक्षा १२ Sociology
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