A succession of plants on sand is called Psammosere, In aquatic plants In aquatic plants

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Free Online Mock Biology Multiple Choice Test on Organism and Environment

Sub Category : Organism and Environment	Test : 1	Time Left :
1.Which of the following birds perch on the black Rhinoceros of Africa and rn them of tick and other parasites?
(1) Buphagus erythrohynchus (2) Red-billed ox packer (3) B. africanus (4) All the above.
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2.A succession of plants on sand is called
(1) Lithosere (2) Halosere (3) Psammosere (4) Xcrosere.
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3.In aquatic plants
(1) In aquatic plants (2) Root system is well developed (3) Sclerenchyma is more than parenchyma (4) Stom atal system is as in the terrestrial plants.
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4.Iron is maximum in ?
(1) Petrolleum (2) Laterite soil (3) Humus (4) Coal-deposit.
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5.Tansley is the following is physiological xerophyte??
(1) Cuscuta (2) Cactus (3) Rhizophora (4) Nerium.

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Free Online Mock Biology Multiple Choice Test on Organism and Environment