Test-MCQ Class 10-NCERT -Science-Chapter 9-Test-1

1. An example of homologous organs is

2. The science, which deals with study of heredity and variations is called

3. Archaeopteryx is a connecting link between

4. For palaeontological studies a scientist will gather the evidences from

5. In evolutionary terms, we have more in common with

6. Aditya was observing some organisms in lab and tried to compare them. The presence of which organs will confirm to him that they share evolutionary history?

7. New species may be formed if I. DNA undergoes significant changes in germ cells. . II. chromosome number changes in the gamete. III. there is no change in the genetic material. IV. mating does not take place.

8. Which of the following statements is not true with respect to variation?

9. Select the statement that describes characteristics of genes. .

10. If a round, green seeded pea plant (RRyy) is crossed with wrinkled, yellow seeded pea plant (rrYY), the seeds produced in F1 – generation will be

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