The correct answer is [C] A is true but R is false.The maximum concentration of chemicals and pesticides occurs at the highest trophic level, not the first. These chemicals are non-biodegradable, so they accumulate through the food chain, causing ...
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The correct answer is [A] Both A and R are true, and R is the correct explanation of A.The father contributes either an X or Y chromosome. If the child inherits X from father, it becomes XX (girl), and ...
The correct answer is [D] 100% tall with round seeds.Here, tallness (T) and round seeds (R) are dominant traits. Crossing TTRR with ttrr gives all F₁ offspring as TtRr, which are tall and round since dominant characters express themselves. class ...