Transport in Plants - Tamil Nadu Board STD 11 BIO BOTANY Questions

Q 1Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

A dry cobalt chloride strip, when hydrated, turns:

A
white
B
red
C
green
✓
pink

Answer: D.

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Q 2Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

The liquid coming out of hydathode of grasses is:

A
pure water
B
not pure water
✓
a solution containing a number of dissolved substances
D
salt water

Answer: C.

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Q 3Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Indicate the correct statement:

A
Anti – transpirants increases the loss of water by transpiration.
B
Anti – transpirants do not alter the rate of transpiration.
C
Anti – transpirants do not decrease the loss water by transpiration in cross plants.
✓
Anti – transpirants reduce the enormous loss of wafer by transpiration in crop plants.

Answer: D.

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Q 4Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Ganongs potometer is used to measure:

A
the rate of photosynthesis
B
the rate of gaseous exchange
C
the rate of water transport
✓
the rate of transpiration

Answer: D.

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Q 5Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Hydathodes are generally present in plants that grow in:

A
dry places
✓
moist and shady places
C
sunny places
D
deserts

Answer: B.

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Q 6[2 Mark Questions]2 Marks

Define the term Ion – Exchange.

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Q 7[2 Mark Questions]2 Marks

What is meant by translocation of organic solutes.

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Q 8[2 Mark Questions]2 Marks

Mention any two uses of anti – transpirants.

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Q 9[2 Mark Questions]2 Marks

Briefly explain plant anti – transpirants.

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Q 10[2 Mark Questions]2 Marks

Give any two objections to starch – sugar inter conversion theory.

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Q 11[3 Mark each]3 Marks

Explain the term Donnam equilibrium.

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Q 12[3 Mark each]3 Marks

What is meant by phloem unloading?

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Q 13[3 Mark each]3 Marks

Why plants transport sugars as sucrose and not as starch or glucose or fructose?

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Q 14[3 Mark each]3 Marks

What do you understand by the source and sink organ of plant?

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Q 15[3 Mark each]3 Marks

What is the significance of transpiration in plants?

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Q 16[5 Mark each]5 Marks

What will happen if an indoor plant is placed under fan and AC?

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Q 17[5 Mark each]5 Marks

Select a leafy twig of fully grown plant in your school campus. Cover the twig with a transparent polythene bag and tie the mouth of the bag at the base of the twig. Observe the changes after two hours and discuss with your teacher.

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Q 18[5 Mark each]5 Marks

Find the role of turgor pressure in sudden closing of leaves when we touch the ‘touch me not’ plant.

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Q 19[5 Mark each]5 Marks

Imbibition experiment: Collect 5 gm of gum from Drumstick tree or Babool tree or Almond tree. Immerse in 100 ml of water. After 24 hours observe the changes and discuss the results with your teacher.

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Q 20[5 Mark each]5 Marks

Write an essay on Lunde – gardh’s cytochrome pump theory of mineral transport.

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Transport in Plants question types

Transport in Plants questions

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Transport in Plants BIO BOTANY - Transport in Plants

Transport in Plants question types

Transport in Plants questions

Generate a Transport in Plants paper free