Self Assessment-Class 10 -Science-Biology-Chapter 8 :Heredity and Evolution

Class 10 -Science-Self Assessment-Biology-Chapter 8 :Heredity and Evolution

Very Short Answer

Q1.How are germinal variations caused?:

Q2.Who was Gregor Johann Mendel?:

Q3.What is a dominant trait?:

Q4.What is the difference between dominant and recessive traits?:

Q5.Which scientist gave the first modern theory of the origin of new species from existing ones?:

Short Answer

 Q1. Distinguish between heredity and variations:

Q2. What is the difference between genotype and phenotype?:

Q3. What are the similarities between Mendel’s ‘factors’ and the genes as we know today?:

Q4. Define homologous organs:

Q5. How do embryological studies provide evidence for evolution?:

Long Answer

Q1. Explain whether a bacterium or a chimpanzee has a better body design:

Q2. Trace human migration from the time it began in Africa:

Q3. Explain the role of fossils in tracing evolutionary relationships:

Q4. What are variations? Distinguish between germinal and somatic variations: