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হোম›নবম-দশম শ্রেণি›English Version›Biology›C-12 — Heredity in Organisms and Biological Evolution›C-12-Q138

C-12-Q138mediummulti_combo_mcq

According to the textbook, how do new species originate? Which of the following is correct?

Isolation from the original species population
Hybridization
Accidental increase of chromosomes (polyploidy) during cell division

ai and ii
bi and iii
cii and iii
di, ii and iii

Kপূর্ববর্তী

138/146

Jপরবর্তী

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C-12 — Heredity in Organisms and Biological Evolution — সব প্রশ্ন দেখুন (146টি) →