TRANSPORT OF MOLECULES IN PLANT QUIZ

Water moves into roots of plants by

active transport

pressure flow mechanism

osmosis

diffusion

TRUE ANSWER : ?
YOUR ANSWER : ?

The movement of most minerals, including potassium into root cells is by

diffusion

active transport

bulk flow

osmosis

TRUE ANSWER : ?
YOUR ANSWER : ?

Normally CO2 and O2 enter a plant by

active transport

osmosis

diffusion

evaporation

TRUE ANSWER : ?
YOUR ANSWER : ?

Phloem is composed of

sieve-tube elements and companion cells

vessel elements and companion cells

tracheids and vessel elements

tracheids and sieve-tube elements

TRUE ANSWER : ?
YOUR ANSWER : ?

When guard cells swell

photosynthesis stops

evaporation stops

stomata close

stomata open

TRUE ANSWER : ?
YOUR ANSWER : ?

The evaporation of water from leaves is called

pressure flow

cohesion

transpiration

tension

TRUE ANSWER : ?
YOUR ANSWER : ?

The cohesion-tension theory of water movement helps to explain how water moves from soil into root?

Into the guard cells

From leaf to root

Through the phloem

Through the xylem

TRUE ANSWER : ?
YOUR ANSWER : ?

A widely accepted explanation for transport of sugar in phloem is called

cytoplasmic streaming

pressure flow hypothesis

transpiration

root pressure theory

TRUE ANSWER : ?
YOUR ANSWER : ?

↑