8.4 Transport in plants: Phloem DB024

8.4 Transport in plants: Phloem DB024

12th Grade

10 Qs

quiz-placeholder

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8.4 Transport in plants: Phloem DB024

8.4 Transport in plants: Phloem DB024

Assessment

Quiz

Biology, Science

12th Grade

Medium

NGSS
MS-LS1-6, MS-LS1-7

Standards-aligned

Created by

Miss Firzana

Used 117+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Structure of phloem consists all below, except?

Sieve tube element

Tracheids

Companion cell

Sieve plate

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most abudant solute in phloem sap?

amino acids

hormones

sugar

minerals

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Process in which food substances are moved to the rest of plant by phloem is known as

transpiration

respiration

photosynthesis

translocation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens first during translocation in the phloem?

water enters the sieve tubes by osmosis

sucrose enters the sieve tubes by active transport

water leaves the sieve tubes by osmosis

sucrose leaves the sieve tubes by active transport

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following allows transport of substances from a sieve element cell to a companion cell?

sieve plate

plasmodesmata

cell wall

pits

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Translocation may occur as the mass flow hypothesis. The pressure involved in this hypothesis originates from

The root pressure

Transpiration in the leaves

Accumulation of minerals and water in leaves

The intake of water by sieve tubes in the leaves

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The pressure flow model for phloem translocation states..

that sink strength drives transport in the pholem

that transport in treachery elements is pressure dependent

the water potential gradient in the sieve elements drives transport

the pressure gradient between the sieve elements at the source and the sink drives phloem transport

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