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12th Standard Zoology — Reproduction in Organisms: Book Back Online Practice Test

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In which type of parthenogenesis are only males produced?

A.Arrhenotoky B.Thelytoky C.Amphitoky D.Both a and b

The mode of sexual reproduction in bacteria is by

A.Formation of gametes B.Endospore formation C.Conjugation D.Zoospore formation

In which mode of reproduction variations are seen

A.Asexual B.Parthenogenesis C.Sexual D.Both a and b

Assertion: In bee society, all the members are diploid except drones. Reason: Drones are produced by parthenogenesis.

A.If both A and R are true and R is correct explanation for A B.If both A and R are true but R is not the correct explanation for A C.If A is true but R is false D.If both A and R are false

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This free online practice test covers Reproduction in Organisms from the 12th Standard Zoology (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

More chapters in Zoology

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2 Human Reproduction 3 Reproductive Health 4 Principles of Inheritance and Variation 5 Molecular Genetics 6 Evolution 7 Human Health and Diseases 8 Immunology 9 Microbes in Human Welfare 10 Applications of Biotechnology 11 Organisms and Populations 12 Biodiversity and its Conservation 13 Environmental Issues