Hamad Biology Mcqs 03/09/2021 A. C-H bond B. C-O bond C. C-N bond D. P-O-C bond Related Mcqs: In term of spore production Selaginella is characterized by________________?A. Homosporous B. Hetrosporous C. Both depending upon the conditions D. None of these... Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls?A. Psilopsida B. Lycopsida C. Sphenopsida D. Prteropsida... Which of the followings are effectors______________?A. Muscles B. Glands C. Sensory organs D. Both ‘a’ & ‘b’... The first action spectrum was obtained by___________?A. T.W.Englemam B. Malleus C. T.W.Inws D. W.Stapes... The air spaces may comprise upto _________ of total volume of leaf surface?A. 30% B. 20% C. 40% D. 50%...
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