Genetics of Life — Important Questions
Kerala Board · Class 10 · Biology
45 important questions from Genetics of Life for Kerala Board Class 10 Biology, with answers. Includes multiple choice and multiple correct questions.
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Important Questions from Genetics of Life
Which of the following are components of a nucleotide? (Select all correct answers)
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Deoxyribose sugar, Phosphate group, Nitrogen base
A nucleotide consists of three components: deoxyribose sugar, phosphate group, and nitrogen base. Amino acids are building blocks of proteins, and histone proteins are associated with chromosomes but not part of nucleotides.
Which of the following statements about RNA are correct? (Select all correct answers)
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RNA is usually single-stranded, RNA contains ribose sugar, RNA contains Uracil instead of Thymine
RNA is typically single-stranded, contains ribose sugar (not deoxyribose), and has Uracil (U) instead of Thymine (T). The nitrogen bases in RNA are A, U, G, and C.
In Mendel's monohybrid cross, what was the phenotypic ratio in the F2 generation?
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3:1
In Mendel's monohybrid cross, the F2 generation showed a 3:1 ratio of dominant to recessive traits. For example, 3 tall plants : 1 dwarf plant.
What is the process of formation of mRNA from DNA called?
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Transcription
Transcription is the process where mRNA is formed from a specific gene sequence in DNA. Translation is the process where proteins are synthesized from mRNA.
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Sources & Official References
- Kerala Board of Public Examinations — keralapareekshabhavan.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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