Plant Nutrition And Transport Trivia Quiz!

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| By Moetest9

Moetest9

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Quizzes Created: 4 | Total Attempts: 11,224

| Attempts: 4,433 | Questions: 18

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1. In which conditions will a plant photosynthesise fastest?

Increase in rate of carbon dioxide concentration and optimum temperature

Explanation

Increase in rate of carbon dioxide concentration and optimum temperature

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About This Quiz

Plant Nutrition And Transport Trivia Quiz! - Quiz

Explore the dynamics of plant nutrition and transport in the 'Plant Nutrition and Transport Trivia Quiz!' Delve into photosynthesis, cellular structures, and water transport mechanisms. This quiz assesses... see moreunderstanding of key biological processes in plants, essential for students and enthusiasts eager to deepen their botanical knowledge. see less

2. Where and how does carbon dioxide enter a plant?

Carbon dioxide enters the leaves through stomata by a diffusion process. The gas diffuses into the intercellular air spaces and then dissolves in the water layer outside the mesophyll cells.

Explanation

Carbon dioxide enters the leaves through stomata by a diffusion process. The gas diffuses into the intercellular air spaces and then dissolves in the water layer outside the mesophyll cells.

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3. The diagram shows one type of plant cell. What type of cell is it?

Epidermal cell of a leaf

Mesophyll cell of a leaf

Root hair cell

Xylem cell

epidermal cell, root hair cell, xylem - no chloroplast, mesophyll cell - chloroplasts for photosynthesis

Explanation

epidermal cell, root hair cell, xylem - no chloroplast, mesophyll cell - chloroplasts for photosynthesis

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4. The graph shows how the rate of photosynthesis in a plant varies with light intensity at two different carbon dioxide concentrations. The temperature is kept constant at 20 °C. Which factor is limiting the rate of photosynthesis at point X?

Oxygen concentration

Chlorophyll availability

Light intensity and carbon dioxide concentration

Water availability

Limiting factor - factor required in minimum amount. As light intensity increases, the rate of photosynthesis does not continue to increase. Other factors will help to increase the rate of photosynthesis

Explanation

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5. The diagram shows a transverse section from the middle of a root of a dicotyledonous plant. In which tissue are sugars and amino acids transported?

Xylem is found in the centre of the root forming a star shape. The large cells thickened with lignin are the xylem cells which transport water and mineral ions from roots to stems to leaves. Phloem are much smaller found mostly at B. A - xylem, C and D - root cortical cells

Explanation

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6. Which graph shows the effect of temperature on the rate of photosynthesis?

Photosynthesis is controlled by enzymes. High temperature will denature the enzymes. So the graph is the same as that of the enzyme.

Explanation

Photosynthesis is controlled by enzymes. High temperature will denature the enzymes. So the graph is the same as that of the enzyme.

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7. The diagram shows a section of a stem. Which tissue transports sugars and amino acids from the leaves to other parts of the plant?

A is the cortex cell, B is the phloem - transports sugars and amino acids. C is the xylem near to the centre. D is the pith.

Explanation

A is the cortex cell, B is the phloem - transports sugars and amino acids. C is the xylem near to the centre. D is the pith.

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8. The diagrams show transverse sections from the root and the stem of a plant. Which tissues carry amino acids in solution?

Root (1) and stem (3)

Root (1) and stem (4)

Root (2) and stem (3)

Root (2) and stem (4)

xylem vessels are mostly found in the centre of the root and stem sections.

Explanation

xylem vessels are mostly found in the centre of the root and stem sections.

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9. Four regions of a green leaf are listed. 1. air space 2. spongy mesophyll cell 3. stoma 4. xylem vessel In which order does a molecule of water, transported from the stem, pass through these regions into the air surrounding the leaf?

Water is transported by xylem vessels to the leaf xylem. Water enters the spongy mesophyll cells by osmosis. Water forms a layer outside the walls of mesophyll cells. Water evaporates into water vapour into the intercellular air spaces. Water vapour diffuses out of the stomata by transpiration.

Explanation

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10. _________________ traps light energy and converts it into chemical energy for the formation of glucose.

Chlorophyll traps light energy not chloroplast which is just an organelle containing chlorophyll.

Explanation

Chlorophyll traps light energy not chloroplast which is just an organelle containing chlorophyll.

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11. The graph shows the amount of oxygen produced by a green plant during a 24-hour period. Which letter represents midnight?

A - early morning, 3pm, no sunlight, no photosynthesis, B-C , day time and evening, photosynthesis takes place. D - midnight, the level of oxygen declines.

Explanation

A - early morning, 3pm, no sunlight, no photosynthesis, B-C , day time and evening, photosynthesis takes place. D - midnight, the level of oxygen declines.

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12. During translocation in plants, what substance is moved from which organ to which organ?

Phloem - transports sucrose and amino acids (food) from leaves to roots by TRANSLOCATION

Explanation

Phloem - transports sucrose and amino acids (food) from leaves to roots by TRANSLOCATION

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13. When a leafy shoot is placed in a solution of dye, which part becomes most heavily stained?

Guard cells in the leaves

Palisade cells in the leaves

Phloem cells in the stem

Xylem vessels in the stem

xylem transports water and minerals from roots to the leaves.

Explanation

xylem transports water and minerals from roots to the leaves.

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14. When a complete ring of bark is removed from the trunk of a tree, it will eventually die because this action cuts off the supply of

Mineral salts to the leaves.

Nutrients to the roots.

Oxygen to the roots

Water to the leaves.

Bark - phloem tissues, no sucrose and amino acids transported by phloem from leaves to roots.

Explanation

Bark - phloem tissues, no sucrose and amino acids transported by phloem from leaves to roots.

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15. Four tubes, A, B, C and D are left in sunlight for one hour. The bicarbonate indicator solution in each tube is red at the start of the experiment. Bicarbonate indicator solution stays red if there is no change in carbon dioxide concentration. The indicator goes yellow if carbon dioxide concentration increases and purple if the carbon dioxide concentration decreases. In which tube does the colour change to purple?

Bicarbonate indicator solution will change to yellow when it is acidic - presence of CO2.
If less CO2 and more O2 due to photosynthesis, the indicator changes to purple - less CO2.
B - photosynthesis takes place, so more O2 than CO2, purple.
Respiration - breaks down glucose to release energy and CO2, the indicator turns yellow.

Explanation

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16. A young plant may wilt when dug up and re-planted in another place. What causes this?

The leaves lose less water.

The roots cannot take up mineral salts.

The stem cannot transport water.

The surface area of the root is reduced.

When the plant is dug up, some of the roots are damaged or torn away. Hence, less roots results in less surface area for water uptake by osmosis

Explanation

When the plant is dug up, some of the roots are damaged or torn away. Hence, less roots results in less surface area for water uptake by osmosis

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17. The cell wall of xylem vessels is made of ___________ to provide support to the plant. It also helps to prevent bending of stem caused by wind.

The cell wall of xylem vessels is made of lignin, which provides support to the plant. Lignin is a complex polymer that gives rigidity and strength to the cell walls, allowing them to withstand the pressure exerted by water and provide structural support to the plant. Additionally, lignin helps to prevent the bending of the stem caused by wind, as it adds stiffness and resistance to deformation.

Explanation

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18. The diagram shows a photosynthesis investigation. The plant has leaves that are green in the middle and white round the edges. Which leaf areas lack only one factor needed for photosynthesis?

P and Q

P and R

Q and S

R and S

R - green with chlorophyll, sunligh, water and CO2. all factors present. Q - all except chlorophyll - 1 factor missing P - no chlorophyll and CO2 - 2 factors missing S - no CO2 - 1 factor missing

Explanation

R - green with chlorophyll, sunligh, water and CO2. all factors present. Q - all except chlorophyll - 1 factor missing P - no chlorophyll and CO2 - 2 factors missing S - no CO2 - 1 factor missing

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