What is dispersal of seeds? State four agents of dispersal. Explain four disadvantages of vegetative propagation.

March 18, 2026Biology

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March 18, 2026

Question 1: A displacement reaction is a chemical reaction in which a more reactive element takes the place of a less reactive element in a compound.

Example: Zinc displaces copper from copper(II) sulfate solution.

\ce{Zn(s) + CuSO4(aq) -> ZnSO4(aq) + Cu(s)}

Question 2: Three components of a solar panel are:

Photovoltaic (solar) cells
Tempered glass cover
Aluminium frame

Question 3: Two compounds formed by magnesium and chlorine: Magnesium chloride ( $\ce{MgCl2}$ ). (Note: Primary stable compound is magnesium chloride; perhaps referring to systematic name magnesium dichloride.)

Question 4: Two compounds formed

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Question 1: A displacement reaction is a chemical reaction in which a more reactive element takes the place of a less reactive element in a compound.
Example: Zinc displaces copper from copper(II) sulfate solution.
(Note: Primary stable compound is magnesium chloride; perhaps referring to systematic name magnesium dichloride.) Question 4: Two compounds formed.

Asked on March 18, 2026Biology

This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.

ScanSolve AI AnswerAnswered on March 18, 2026

Question 1: A displacement reaction is a chemical reaction in which a more reactive element takes the place of a less reactive element in a compound. Example: Zinc displaces copper from copper(II) sulfate solution. Zn(s) + CuSO4(aq) -> ZnSO4(aq) + Cu(s) Question 2: Three components of a solar panel are: Photovoltaic (solar) cells Tempered glass cover Aluminium frame Question 3: Two compounds formed by magnesium and chlorine: Magnesium chloride (MgCl2). (Note: Primary stable compound is magnesium chloride; perhaps referring to systematic name magnesium dichloride.) Question 4: Two compounds formed