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MODEL PAPER 5 — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMODEL PAPER 53 Marks
Question
Study the table showing the population interaction between species Z and Y respectively. Assign the appropriate +/- signs for A, B, D, E and respective interactions for C and F.
Species 'Z'Species 'Y'Name of Interaction
ABMutualism
--C
DEParasitism
+OF
✓

Answer

A = +
B = +
C = Competition
D = +
E = -
F = Commensalism

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