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CHSE Board Odisha Biology Health and Disease Chapter Previous 10 Year Questions

Health and disease chapter is the most important chapter for the CHSE Odisha Biology board exam. It is the most important chapter for one-mark questions, short notes or, short answer type questions and differentiates.

First, see the new syllabus and then practice these questions. Because 2010 to 2017 board exams were held as per the old CHSE syllabus.

One mark questions:-
  1. Name the parasite blocking the lymphatics in human and name the disease caused by this parasite. (CHSE – 2010)
  2. Name the cell in the human body destroyed by HIV. (CHSE – 2010)
  3. Which tissue affected in sarcoma? (CHSE – 2010)
  4. Which test is required to diagnose typhoid? (CHSE – 2011)
  5. Which secretion is inhibited by alcohol? (CHSE – 2011)
    1. ADH
    2. Insulin
    3. Oxytocin
    4. Progesterone
  6. Deficiency of which hormone causes diabetes? (CHSE – 2011)
  7. Which test is conducted to identify HIV? (CHSE –            (2012)
  8. ______ test is specifically employed to determine the presence of disease causing Salmonella typhi. (CHSE – 2013)
  9. Which is the infective stage of Plasmodium falciparum? (CHSE – 2014)
  10. Through which vector is Wuchereria bancrofti transmitted? (CHSE - 2015)

CHSE Biology Molecular Basis of Inheritance previous 10-year questions

Chapter- Molecular Basis of Inheritance 

One mark questions:-
  1. _____ is the initiation codon. (CHSE – 2012)
  2. RNA does not have _____ as nitrogenous base. (CHSE – 2013)
  3. The initiation codon AUG normally codes for formylated _______. (CHSE – 2014)
  4. To form a continuous DNA molecule, the enzyme ______ joints Okazaki fragments. (CHSE – 2015)
    • Primase
    • Polymerase
    • Helicase
    • Ligase
  5. _______ coined the term ‘gene’ for Mendelian factor. (CHSE – 2017)
  6. The complementary base of adenine in RNA molecule is _____. (CHSE – 2018)
  7. The example of start codon is _____. (CHSE – 2019)
    • UAA
    • UGA
    • UAG
    • AUG
  8. Mutation that completely eliminates a gene is called _____ mutation. (CHSE – 2019)

CHSE Biology Heredity and Variation (Genetics) previous 10-year questions

Chapter- Heredity and Variation (Genetics)

One mark questions:-
  1. Monohybrid cross yields ______ numbers of genotype. (CHSE – 2014)
  2. The term ‘gene’ was coined by _____ in the year 1909. (CHSE – 2015)
  3. In a cross between red and white flowered plants, F1 hybrids are pink. This is called ______ dominance. (CHSE – 2016)
  4. _______ coined the term ‘gene’ for Mendelian factor. (CHSE – 2017)
  5. If allele for tallness (TT) is dominant and dwarfness (tt) is recessive, then in a cross between ________, 50% of the offspring will be dwarf. (CHSE – 2018)
    • TT x tt
    • Tt x tt
    • tt x tt
    • Tt x Tt
  6. The phenomenon of single gene contributing to multiple phenotypic traits is called _______. (CHSE – 2019)
    • pleiotropy
    • codominance
    • incomplete dominance
    • polygenic inheritance
  7. Mutation that completely eliminates a gene is called ________ mutation. (CHSE – 2019)

CHSE Biology Sexual Reproduction in Flowering Plants 10 Year Questions

Chapter- Sexual Reproduction in Flowering Plants

One mark questions:-
  1. In a dichogamous flower, when anther matures earlier than the ovule, the process is called _____. (CHSE – 2012)
  2. _____ is the nutritive tissue of microspores in angiosperms. (CHSE – 2012)
  3. The motile asexual reproductive unit is called _____. (CHSE – 2012)
    • zoospore
    • aplanospore
    • zygospore
    • microspore
  4. The process of physical removal of anther is called ____. (CHSE – 2016)
  5. The motile asexual reproductive unit is called _____. (CHSE – 2012)
    • porogamy
    • chalazogamy
    • mesogamy
    • herkogamy
  6. The outer sterile tissue that provides to the developing microspores in microsporogenesis is called _____. (CHSE – 2018)
  7. Nutritive tissue of a fertilized egg in angiosperm is _____. (CHSE – 2019)

CHSE HUMAN REPRODUCTION CHAPTER WISE PREVIOUS 10 YEAR QUESTION

Short Notes / Short Answer Type Questions

  1. Explain the phase of maturation in Oogenesis.(CHSE 2010)
  2. Write the function of Placenta. (CHSE 2010)
  3. State the Significance of fertilization. (CHSE 2011)
  4. Why are Polar bodies formed in Oogenesis but not in Spermatogenesis? (CHSE 2012)
  5. Write the Functions of Placenta. (CHSE 2013)
  6. What is fertilization? In man, Where does it take place? (CHSE 2015)
  7. State the function of Yolk. (CHSE 2016)
  8. Write the functions of Placenta. (CHSE 2017)
  9. Spermatogenesis and Oogenesis (Differentiate). (CHSE 2017)
  10. What is Gestation and Praturation? (CHSE 2018)