SSLC Biology Chapter 1 Genetics of Life class Short Answers

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Below is a comprehensive list of short-answer questions (including application-level questions) based on the Kerala 10th Standard Biology Textbook Chapter 1: Genetics of Life. Each question is designed to cover key concepts, encourage critical thinking, and ensure thorough understanding for examination preparation. These questions cover the chapter comprehensively, including factual recall, conceptual understanding, and application-based scenarios to prepare students for examinations.

Some questions are:

• Who proposed the double helix model of DNA, and what was the key evidence?
  

Answer: James Watson and Francis Crick proposed the double helix model in 1953, based on  Rosalind Franklin’s X-ray diffraction image, "Photo 51."

• Name the nitrogenous bases in DNA and their pairing pattern.
  

Answer: Adenine (A) pairs with Thymine (T), and Guanine (G) pairs with Cytosine ( C).

• What are the components of a nucleotide in DNA?
  

Answer: A nucleotide consists of a deoxyribose sugar, a phosphate group, and a nitrogenous base (A, T, G, or C).

• How long is the DNA in a single human chromosome, and what is the total length in a cell?
  

Answer: A single chromosome’s DNA is about 5 cm long; the DNA from 46 chromosomes in a human cell totals about 2 meters. 

For more questions on  Biology Textbook Chapter 1 Genetics of Life Click below:

  Kerala 10th std Biology Textbook Ch 1 Genetics of Life Short Question and Answers.pdf (Size: 170.02 KB / Downloads: 72)