336199
Choose the correct option: Mycorrhiza is a symbiotic association of fungus with root system which helps in i. Absorption of water ii. Mineral nutrition iii. Translocation iv. Gaseous exchange
1 Only i
2 Only ii
3 Both i and ii
4 Both ii and iii
Explanation:
Mycorrhiza plays no role in translocation and gaseous exchange.
NCERT Exemplar
BIOXI11: TRANSPORT IN PLANTS
336200
The following diagram represents the pathway of water movement in the root. Identify A, B and \(\mathrm{C}\) respectively.
1 A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
2 A - Tight junctions, B - Casparian strips, \(\mathrm{C}\) - Endodermis
3 A - Gap junctions, B - Endodermis, C - Casparian strips
4 A - Desmosome, B - Casparian strips, \(\mathrm{C}\) - Endodermis
Explanation:
A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
BIOXI11: TRANSPORT IN PLANTS
336201
While studying transpiration, cobalt chloride paper turns to which color on absorbing water?
1 Red
2 Pink
3 Orange
4 Black
Explanation:
While studying transpiration, blue cobalt chloride paper turns Pink on absorbing water.
BIOXI11: TRANSPORT IN PLANTS
336205
Assertion : Effect of root pressure observable at night and early morning. Reason : At night and early morning evaporation is very low.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or early morning or when transpiration is low during the day.
336199
Choose the correct option: Mycorrhiza is a symbiotic association of fungus with root system which helps in i. Absorption of water ii. Mineral nutrition iii. Translocation iv. Gaseous exchange
1 Only i
2 Only ii
3 Both i and ii
4 Both ii and iii
Explanation:
Mycorrhiza plays no role in translocation and gaseous exchange.
NCERT Exemplar
BIOXI11: TRANSPORT IN PLANTS
336200
The following diagram represents the pathway of water movement in the root. Identify A, B and \(\mathrm{C}\) respectively.
1 A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
2 A - Tight junctions, B - Casparian strips, \(\mathrm{C}\) - Endodermis
3 A - Gap junctions, B - Endodermis, C - Casparian strips
4 A - Desmosome, B - Casparian strips, \(\mathrm{C}\) - Endodermis
Explanation:
A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
BIOXI11: TRANSPORT IN PLANTS
336201
While studying transpiration, cobalt chloride paper turns to which color on absorbing water?
1 Red
2 Pink
3 Orange
4 Black
Explanation:
While studying transpiration, blue cobalt chloride paper turns Pink on absorbing water.
BIOXI11: TRANSPORT IN PLANTS
336205
Assertion : Effect of root pressure observable at night and early morning. Reason : At night and early morning evaporation is very low.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or early morning or when transpiration is low during the day.
NEET Test Series from KOTA - 10 Papers In MS WORD
WhatsApp Here
BIOXI11: TRANSPORT IN PLANTS
336199
Choose the correct option: Mycorrhiza is a symbiotic association of fungus with root system which helps in i. Absorption of water ii. Mineral nutrition iii. Translocation iv. Gaseous exchange
1 Only i
2 Only ii
3 Both i and ii
4 Both ii and iii
Explanation:
Mycorrhiza plays no role in translocation and gaseous exchange.
NCERT Exemplar
BIOXI11: TRANSPORT IN PLANTS
336200
The following diagram represents the pathway of water movement in the root. Identify A, B and \(\mathrm{C}\) respectively.
1 A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
2 A - Tight junctions, B - Casparian strips, \(\mathrm{C}\) - Endodermis
3 A - Gap junctions, B - Endodermis, C - Casparian strips
4 A - Desmosome, B - Casparian strips, \(\mathrm{C}\) - Endodermis
Explanation:
A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
BIOXI11: TRANSPORT IN PLANTS
336201
While studying transpiration, cobalt chloride paper turns to which color on absorbing water?
1 Red
2 Pink
3 Orange
4 Black
Explanation:
While studying transpiration, blue cobalt chloride paper turns Pink on absorbing water.
BIOXI11: TRANSPORT IN PLANTS
336205
Assertion : Effect of root pressure observable at night and early morning. Reason : At night and early morning evaporation is very low.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or early morning or when transpiration is low during the day.
336199
Choose the correct option: Mycorrhiza is a symbiotic association of fungus with root system which helps in i. Absorption of water ii. Mineral nutrition iii. Translocation iv. Gaseous exchange
1 Only i
2 Only ii
3 Both i and ii
4 Both ii and iii
Explanation:
Mycorrhiza plays no role in translocation and gaseous exchange.
NCERT Exemplar
BIOXI11: TRANSPORT IN PLANTS
336200
The following diagram represents the pathway of water movement in the root. Identify A, B and \(\mathrm{C}\) respectively.
1 A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
2 A - Tight junctions, B - Casparian strips, \(\mathrm{C}\) - Endodermis
3 A - Gap junctions, B - Endodermis, C - Casparian strips
4 A - Desmosome, B - Casparian strips, \(\mathrm{C}\) - Endodermis
Explanation:
A - Plasmodesmata, B - Casparian strips, \(\mathrm{C}\) - Endodermis
BIOXI11: TRANSPORT IN PLANTS
336201
While studying transpiration, cobalt chloride paper turns to which color on absorbing water?
1 Red
2 Pink
3 Orange
4 Black
Explanation:
While studying transpiration, blue cobalt chloride paper turns Pink on absorbing water.
BIOXI11: TRANSPORT IN PLANTS
336205
Assertion : Effect of root pressure observable at night and early morning. Reason : At night and early morning evaporation is very low.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or early morning or when transpiration is low during the day.