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Plant Translocation Process Quiz

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Questions and Answers

What is the primary function of translocation in plants?

Absorbing water in the xylem

Producing sucrose in the companion cells

Releasing sucrose in the sink cells

Transporting assimilates in the phloem (correct)

In which cells does active loading of sucrose occur?

Companion cells (correct)

Xylem cells

Sink cells

Source cells

What is the role of proton pumps in the process of translocation?

Facilitating osmosis in the sieve tube

Creating a diffusion gradient for hydrogen ions (correct)

Producing sucrose molecules

Transporting water molecules

How does sucrose enter the sieve tube elements from companion cells?

Through plasmodesmata (D) Signup and view all the answers

What effect does sucrose entering the sieve tube elements have on water potential?

Reduces it (C) Signup and view all the answers

Which cells use ATP to transport hydrogen ions during translocation?

Companion cells (D) Signup and view all the answers

What process allows H+ ions to bring sucrose molecules into companion cells?

Facilitated diffusion involving cotransporter proteins (B) Signup and view all the answers

Why does water enter the sieve tube via osmosis during translocation?

Due to reduced water potential inside the tube (C) Signup and view all the answers