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Test: Transport Of Materials Across Cells - Class 9 MCQ


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5 Questions MCQ Test Online MCQ Tests for Class 9 - Test: Transport Of Materials Across Cells

Test: Transport Of Materials Across Cells for Class 9 2024 is part of Online MCQ Tests for Class 9 preparation. The Test: Transport Of Materials Across Cells questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Transport Of Materials Across Cells MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Transport Of Materials Across Cells below.
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Test: Transport Of Materials Across Cells - Question 1

A cell placed in solution swells up. The solution is:

Detailed Solution for Test: Transport Of Materials Across Cells - Question 1

Cell is kept in hypotonic solution then due to osmosis the solvent particles enter into the cell termed as endosmosis which results in bulging of the cell this state is termed as turgid cell.

Test: Transport Of Materials Across Cells - Question 2

If dried apricots are initially placed in plain water for some time and then into a concentrated solution of sugar, they will:

Detailed Solution for Test: Transport Of Materials Across Cells - Question 2

- Dry apricots when placed in pure water swell due end osmosis (inward movement of water) and later when are transferred sugar solution exosmosis (outward movement of water) occurs and they shrink again.
- When a Red Blood Cell is placed in concentrated saline solution exosmosis occurs and the RBCs shrink due to excess loss of water.

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Test: Transport Of Materials Across Cells - Question 3

In the process of ———–substances move across the membrane without the expenditure of ATP.

Detailed Solution for Test: Transport Of Materials Across Cells - Question 3

In facilitated diffusion special proteins help move substances across membranes without expenditure of ATP energy.

Test: Transport Of Materials Across Cells - Question 4

A plant cell becomes swollen due to:

Detailed Solution for Test: Transport Of Materials Across Cells - Question 4

Hypotonic solutions are the ones which have a lower concentration of solute than the inside the cell. Water diffuses into the cell to balance the solute concentration on either side (outside and inside) equal. Here the cell swells up due to entry of water by endosmosis. 

Test: Transport Of Materials Across Cells - Question 5

The fine roots of plants absorb water from the soil through the process of

Detailed Solution for Test: Transport Of Materials Across Cells - Question 5

Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. The absorbed water is transported through the roots to the rest of the plant where it is used for different purposes: It is a reactant used in photosynthesis.

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