CBSE Class 9 c9fivekingdoms — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 9 c9fivekingdoms in the app →Per NCERT Class 9 Science, who in the 4th century BCE first grouped animals by HABITAT (land, water, air)?Per NCERT, when scientists first introduced the TWO-KINGDOM system in the 18th century, what were the two kingPer NCERT, why was the 2-kingdom system found inadequate — leading to addition of PROTISTA as the third kingdoPer NCERT, which kingdom contains UNICELLULAR PROKARYOTES (organisms without a true nucleus)?Per NCERT, which kingdom contains UNICELLULAR EUKARYOTES (organisms with a true membrane-bound nucleus)?Per NCERT, which kingdom contains MOSTLY MULTICELLULAR, HETEROTROPHIC eukaryotes with a CHITIN cell wall — incPer NCERT, why is YEAST classified in Kingdom Fungi even though it is UNICELLULAR?Per NCERT, what is MYCELIUM — referenced in the Fungi kingdom?Per NCERT, what is the PRIMARY ECOLOGICAL ROLE of fungi in ecosystems?Per NCERT, which fungus is used to make ENZYMES + ANTIBIOTICS — including the antibiotic-producing genus?Per NCERT, what is a LICHEN — referenced in the 'Bridging Science and Society' box?Per NCERT, who proposed the THREE DOMAIN system (Bacteria, Archaea, Eukarya) in 1977 — using DNA-based compari