Toppers Study Toppers Study Toppers StudyGet complete NCERT Solutions for 10 Science 9. Heredity and Evolution with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Get complete NCERT Solutions for 10 Science 9. Heredity and Evolution with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Preparing for exams becomes easier with Additional Questions With Solutions. Whether you are studying for board exams or mid-term exams, 10 Science Chapter 9. Heredity and Evolution solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.
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Q1. 'Different species use different strategies to determine sex of a newborn individual. It can be environmental cues or genetically determined'. Explain the statement by giving example for each.
Answer: Different species use very different strategies for this. Some rely entirely on environmental cues. Thus, in some animals, the temperature at which fertilised eggs are kept determines whether the animals developing in the eggs will be male or female. In other animals, such as snails, individuals can change sex, indicating that sex is not genetically determined. However, in human beings, the sex of the individual is largely genetically determined. In other words, the genes inherited from our parents decide whether we will be boys or girls.
Q2.
Additional Questions With Solutions are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 10 Science Chapter 9. Heredity and Evolution solutions help you understand the core concepts and practice effectively.
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Our Additional Questions With Solutions are useful for both board exams and mid-term exams. For 10 Science, we provide notes, exercises, and important Q&A so that you can revise smartly and write perfect answers in exams.
In short, Additional Questions With Solutions for 10 Science Chapter 9. Heredity and Evolution are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.
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