Welcome to your Class 11-Biology-Plant Kingdom
Total Questions : 20
Total time :20 min
Total Marks : 20 x 3 = 60 Marks
Each Correct Question carries : 3 Marks
Each incorrect Question Carries : -1 Marks
Each Unattempted Question carry : 0 Marks
Be careful On Negative Markings
Haploid condition is shown by
Porphyra and Dictyota contain the following pigments respectively
Match column I with column II and select the correct option from the codes given below.
Brown algae have a characteristic pigment ______.
The heterosporous pteriodophytes are-
Which one of the following photosynthetic pigment is called bili proteins?
Commercial product "Agar " which is used in " ice creams" and to grow microbes in the laboratory is extracted from
Mannitol is stored food of
Heterosporous pteridophytes show certain characteristics, which are precursors to the 'seed habit' in gymnosperms. One such characteristics is
Besides forming substrate for laboratory culture, agar is used in ________.
Spore dispersal in mosses occurs by-
While studying a plant, you discover that it has chlorophyll, no xylem. Its multicellular sex organs are enclosed in a layer of jacket cells. Its gametophyte Stage is free living. The plant probability belongs to ____.
Which class of algae reproduces asexually by non-motile spores and sexually by non-motile gametes?
A plant having thallose plant body, developing embryo and reproducing by means of spores will be placed in
Diatomaceous earth is obtained from
Which is responsible for peat formation?
Frog Spawn Alga is
Choose the correct answers from the alternatives given.
Thermal algae survive at
Which of the following organisms requires a medium through which male gametes move?
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