Class 12 Biology Important Questions | Chapter 3 Inheritance And Variation

Here we have a given Class 12 Biology Important Questions for Maharashtra Board HSC Examination 2023. Every students want to score good marks in Class 12 Board Exam,but number of students don't know how to score good marks. Dear students, given following questions had been asked in earlier HSC Board Examinations. From this post, you will know which type of questions had been asked in earlier Board Exams and same questions or same type of questions will be asked in your upcoming examination. If you study all these questions, you will get very good marks in your board examinations, Because so many questions from the following given questions will be asked in your upcoming examination.Therefore go through our Class 12 Biology Important Questions which are given in chapter-wise manner and simply try to solve these questions to score very good marks in Biology and obviously, you will! Best wishes to all dear students for your upcoming Maharashtra State Board Exam 2023.

यहां हमारे पास महाराष्ट्र बोर्ड HSC परीक्षा 2023 के लिए कक्षा 12वीं के Biology के महत्वपूर्ण प्रश्न दिए गए हैं। प्रत्येक छात्र कक्षा 12वीं की बोर्ड परीक्षा में अच्छे अंक प्राप्त करना चाहते हैं, लेकिन कई छात्र यह नहीं जानते कि अच्छे अंक कैसे प्राप्त करें। प्रिय छात्रों, नीचे दिए गए प्रश्न पिछले एचएससी बोर्ड परीक्षाओं में पूछे गए थे। इस पोस्ट से आप जानेंगे कि पिछली बोर्ड परीक्षाओं में किस प्रकार के प्रश्न पूछे गए थे और आपकी आगामी परीक्षा में भी इसी प्रकार के प्रश्न पूछे जाएंगे। यदि आप इन सभी प्रश्नों का अध्ययन करते हैं, तो आप अपनी बोर्ड परीक्षाओं में बहुत अच्छे अंक प्राप्त करेंगे, क्योंकि निम्नलिखित दिए गए प्रश्नों में से बहुत सारे प्रश्न आपकी आगामी परीक्षा में पूछे जाएंगे। इसलिए हमारे कक्षा 12 के Biology के महत्वपूर्ण प्रश्नों को देखें जो अध्याय में दिए गए हैं | Biology में बहुत अच्छे अंक प्राप्त करने के लिए इन प्रश्नों को बुद्धिमान तरीके से हल करने का प्रयास करें और जाहिर है, आप करेंगे! सभी प्रिय छात्रों को आपकी आगामी महाराष्ट्र राज्य बोर्ड परीक्षा 2023 के लिए शुभकामनाएं।



Class 12 Biology Important Questions | Chapter 3 Inheritance And Variation

 • 'In incomplete dominance and co-dominance, genotypic and phenotypic ratios are identical. Explain how co-dominance differs from incomplete dominance in phenotypic nature of their hybrids. (March 2013)

• A heterozygous tall plant of pea is crossed with a dwarf plant of pea. Calculate the phenotypic ratio of the progeny. (Oct 2013)

• Explain dihybrid cross with suitable example. (Oct 2013)

• Explain the Law of Independent Assortment with a suitable example. (March 2014, March 2018)

• Mendel selected the garden pea plants for his experiments. Explain. (March 2015)


• A pea plant pure for yellow seed colour is crossed with a pea plant pure for green seed colour. In F1 generation, all pea plants were with yellow seed. Which law of Mendel is applicable? (March 2015)

• Write a note on multiple alleles considering example of human blood groups. (Oct 2015)

• What is test cross? (March 2016)

• Why the ratio in pleiotropy is 2:1? Explain it with example. (March 2016)

• What is a 'test cross'? Explain significance of a test cross.(March 2017)

• What is Neo-Mendelian genetics? Describe quantitative inheritance controlled by two pairs of genes. (July 2017)

• Identify which one of the following is a test cross.
(a) Tt x Tt
(b) TT x tt
(c) Tt x tt   (July 2018)

• Which phenomenon gives 2:1 ratio instead of 3:1 ratio?  Describe with graphical representation. (March 2019)

• A pea plant homozygous for yellow round seed is crossed with its recessive parents. Calculate the phenotypic and genotypic ratio with the help of checker board. (March 2019)

• Classify the chromosomes on the basis of position of centromere. (March 2019)

• A homozygous tall pea plant is crossed with its homozygous recessive parent. Find out the genotypic and phenotypic ratio with the help of Punnet square method. (July 2019)

• Define the term recessive. (March 2020)

• How will you identify that, F1 hybrid is homozygous or heterozygous? Explain it with a suitable example. (March 2020)

• Satish is a colorblind boy. His mother has normal vision but his maternal grandfather is colourblind. His father and maternal grandmother have normal vision. Explain the pattern of inheritance with a suitable chart. (March 2020)

• Give any two contrasting traits studied by Mendel. (March 2020)

• The genotypic ratio 1:2:2:4:1:2:1:2:1 is obtained in F2 generation. What will be the phenotypic ratio? (March 2020)

👉 Students are suggested to go through our Class 12 Biology Important Questions to score more in your upcoming 2023 Board Examination. 👇👇

Class 12 Biology Important Questions Chapter-wise

 Click on the following links to get Class 12 Biology Important Questions.👇👇 

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