MCQs Zoology [1] Posted on April 29, 2023Author admin 0 Please enter your email: 1. ____________ is the level of taxonomic study concerned with the biological aspects of taxa, including intraspecific populations, speciation, evolutionary rates and trends Alpha Taxonomy Beta Taxonomy Gamma Taxonomy Theta Taxonomy 2. In pond ecosystem, benthos are___________ Zooplankton Phytoplankton Carnivore fish Primary consumers 3. ________ proposed germplasm theory Francis Galton Von Baer August Weismann None 4. ___________ are not herbivores Cows Bears Goat Dear 5. Dengue is transmitted to humans through______________- Female Anopheles mosquito Female Aedes mosquito Male Aedes mosquito Male Anopheles mosquito 6. Transformation of a species over time, without branching of the evolutionary line of descent, is called_________________ Monogenesis Anagenesis Cladogenesis Polygenesis 7. Watson and Crick’s model of DNA was described in __________ 1882 1942 1906 1952 8. __________%of animal species are invertebrates Around 5% Around 65% Around 45% around 95% 9. Concentration of oxygen in the atmosphere is approximately ____________________________ 0.9 0.04 78% 21% 10. Insects belong to phylum___________ Mollusca Arthropoda Chordata Nematoda 11. _______________ species have an extremely high impact on ecosystem, and it define the entire ecosystem population Keystone species Dominant species Eco-tone species Opportunistic species 12. Cephalopods are__________ Invertebrates None Mollusks Vertebrates 13. At____________oC temperature water has maximum density 100 10 4 0 14. Concentration of CO2 in the atmosphere is approximately ____________________________ 21% 0.9 0.04 78% 15. ________ describes attempt of two or more organisms to utilize the same resource Taxis Competition Food Security Social Behavior 16. Gregor Mendel was born in ________ 1822 1836 1840 1906 17. Malaria is transmitted to humans through______________- Female Anopheles mosquito Male Anopheles mosquito Female Aedes mosquito Male Aedes mosquito 18. Function of DNA ligase during DNA replication is ___________________ Addition of new nucleotides to the growing DNA strand Proofreading of DNA strands for errors Unwinds the double helix Glue fragments of DNA together 19. _________ insects feed on only one type of food Polyphagous Monophagous Aphagous Biphagous 20. A mass extinction is_______ Extinction of species with massive size Simultaneous extinction of few species Extinction of small-sized species Simultaneous extinction of many species Loading … Question 1 of 20
