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Bio mcqs-which of the following is a colonial form of green algae?
Question 1 of 20 Which of the following is a colonial form of green algae? Giardia Thiobacillus Volvox Paramecium Question 2 of 20 Land was first colonized about ______ years ago. 100 million 500 million 570 million 1.7 billion Question 3 of 20 In angiosperms, the male gametophyte develops within ______. male cones mycelia filaments anthers Question 4 of 20 Under what abiotic conditions can monomers spontaneously form polymers? When water evaporates from a hot surface When ribozymes are present to catalyze the reaction With the addition of water By biogenesis Question 5 of 20 Gametophytes reproduce ______. by fission by producing sperm and eggs by alternation of generations by budding Question 6 of 20 Under ideal conditions, prokaryotes are capable of reproducing at a(n) ______ rate. hypergeometric exponential infinite arithmetic Question 7 of 20 A pollen grain is a ______. female gametophyte sporophyte type of seed male gametophyte Question 8 of 20 Where and when does fertilization occur in the mushroom life cycle? Underground, as a mycelium begins to spread. On the surface of the ground, when a spore germinates. In a mushroom, when nuclei of a heterokaryotic cell fuse. In a mushroom, when sperm and eggs meet. Question 9 of 20 According to the theory of endosymbiosis, which organelles evolved from small prokaryotes that established residence within other, larger prokaryotes? Vacuoles and lysosomes Golgi apparatus and endoplasmic reticulum Centrioles and ribosomes Mitochondria and chloroplasts Question 10 of 20 What global climatic change gave gymnosperms an advantage over ferns? The climate becoming hotter and wetter The climate becoming cooler and drier Increased fluctuations in global climate The climate becoming cooler and wetter Question 11 of 20 Which protozoan group consists solely of parasitic forms? Apicomplexans Ciliates Flagellates Amoebas Question 12 of 20 An explorer found a plant that had roots, stems, and leaves. It had no flowers but produced seeds. This plant sounds like a(n) fern. bryophyte. angiosperm. gymnosperm. Question 13 of 20 Plants first moved onto land at least ______ years ago. 65 million 475 million 1.2 billion 3.5 billion Question 14 of 20 The prokaryotic group that tends to inhabit extreme environments belongs to the ______. kingdom Monera kingdom Protista domain Archaea domain Monera Question 15 of 20 In angiosperms, what structures house female gametophytes? Ovules Petals Stigma Sepals Question 16 of 20 Flagellates, amoebas, apicomplexans, and ciliates are all what type of protist? Slime molds Protozoans Diatoms Dinoflagellates Question 17 of 20 All prokaryotic and eukaryotic organisms that photosynthesize fit into which nutritional category? Chemoautotrophs Photoheterotrophs Photoautotrophs Chemoheterotrophs Question 18 of 20 From the point of view of an angiosperm, what is the function of fruit? It is where the male gametophyte develops. It provides structural support for the plant. It is a mechanism for the dispersal of seeds. It attracts pollinators. Question 19 of 20 Whose experiments demonstrated that, given the conditions on the primitive Earth, biological monomers could arise spontaneously? Miller and Urey Darwin Watson Margulis Question 20 of 20 Like plants, fungi have ______; however, in plants they are composed of ______, whereas in fungi they are composed of ______. cell walls; cellulose; chitin cell walls; cellulose; peptidoglycan cell membranes; phospholipids; peptidoglycan cell membranes; cellulose; phospholipids
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29 Feb 2016
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Bio mcqs-which of the following is a colonial form of green algae?
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