General Knowledge Questions And Answers :: General Science: part11



General Knowledge : General Science QUESTIONS AND ANSWERS :: part11 : 81 to 85

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :

81.Which of the following is the correct sequence in which the given animal groups appeared on the earth during the course of evolution ?

Porifera-Annelida-Coelenterata-Protozoa
Protozoa-Coelenterata-Porifera-Annelida
Annelida-Porifera-Protozoa-Coelenterata
Protozoa-Porifera-Coelenterata-Annelida

82.Which era is known as the Golden Age of Reptiles due to the dominance of Dinosaurs over all possible habitats on Earth ?

Precambrian
Mesozoic
Cenozoic
None of these

83.The scientific study of ageing is known as

Etiology
Gerantology
Osteology
Teratology

84.The first organisms on earth were

autotrophs
heterotrophs
saprotrophs
None of these

85.Genetic variation arises by

recombination
mutation
chromosomal aberrations
All of these

More General Science QUESTIONS AND ANSWERS available in next pages

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