Question 1 - MCQs from NCERT Exemplar - Chapter 9 Class 10 - Heredity and Evolution

Last updated at August 8, 2026 by

If a round, green seeded pea plant (RRyy) is crossed with wrinkled, yellow seeded pea plant, (rrYY) the seeds produced in F1 generation are

(a) round and yellow.

(b) round and green.

(c) wrinkled and green.

(d) wrinkled and yellow.

 

Answer:

F1 GENERATION ARE ROUND AND YELLOW - Teachoo.jpg

Roundness and yellow color are shown in capital letters, so they are dominant traits. In the F1 generation, only dominant traits are expressed.

So, If a round, green seeded pea plant (RRyy) is crossed with wrinkled, yellow seeded pea plant, (rrYY) the seeds produced in F1 generation are round and yellow . 

So, the correct answer is (a).

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Transcript

F1 GENERATION ARE ROUND AND YELLOW RRyy Round Green rrYY Wrinkle Yellow RrYy Round and Green seeds

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