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হোম›নবম-দশম শ্রেণি›English Version›Biology›C-12 — Heredity in Organisms and Biological Evolution›C-12-Q118

C-12-Q118mediummulti_combo_mcq

According to modern geneticists, new varieties may be produced by— Which of the following is correct?

Isolation from the original population
Hybridization
Accidental increase of chromosomes during cell division

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

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118/146

Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-12-Q119Macroevolution refers to—
C-12-Q120The conditions required for natural selection are— Which of the following is correct?
C-12-Q121Which category of variable trait favours environmental tolerance or adaptation?
C-12-Q122Non-Darwinian evolution can occur by— Which of the following is correct?
C-12-Q123The emergence of new flu virus strains almost every year is mainly explained by—
C-12-Q124A bird's wing, a bat's wing, a whale's flipper and a human hand are examples of—
C-12-Q125The wings of a bat and the wings of a moth used for flight are examples of—
C-12-Q126The third eyelid and tail bone in humans are examples of—
C-12-Q127Platypus, mudskipper and gnetum are best described as—
C-12-Q128Limulus and Ginkgo biloba are known as—

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