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TNPSC - 10th Standard Science Notes for All Exam (Part -1)

1. The Genotype  of a character is influenced by_____
Answer: Genes

2. ______ are called the first human like being
Answer: Homohabilis

3. Expression of Morphological Character is _____
Answer: Phenotype

4. What is theory of Charles Darwin and Lamarck?
Answer: Theory of Natural Selection / Organic Evolution

5. Bio-Chemically significant enzymes are derived from _____
Answer: Microbes

6. How many pairs of contrasting traits in pea plant studied by Mendel?
Answer: 7

7. Insulin dependent diabetes is caused by degeneration of ______
Answer: Beta Cells

8. How many year ago men like hominids walked into Eastern Africa?
Answer: 3-4 million years

9. What is the ratio of  the tall and dwarf plants appeared in second filial generation?
Answer: 3:1

10. Mankind from all over the world from a single species called as ______
Answer: Homosapiens

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