336508
Plants obtain most of their oxygen required for photosynthesis from
1 \(\mathrm{CO}_{2}\) in the atmosphere
2 Water
3 Soil particles
4 None of the above
Explanation:
Plants obtain most of their oxygen required for photosynthesis from \(\mathrm{CO}_{2}\) in the atmosphere
BIOXI11: TRANSPORT IN PLANTS
336509
Most of the minerals are present in the soil as
1 Neutral molecules
2 Charged ions
3 Bound to other molecules
4 Both 1 and 2
Explanation:
Minerals are present in the soil as charged particles (ions) which cannot move across cell membranes.
BIOXI11: TRANSPORT IN PLANTS
336511
Statement A : Transport proteins of endodermal cells are control points. Statement B : The root endodermis because of the layer of suberin has the ability to actively transport ions in all direction.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The root endodermis because of the layer of suberin has the ability to actively transport ions in one direction only.
BIOXI11: TRANSPORT IN PLANTS
336512
The concentration of minerals in soil is usually ____ than the concentration of minerals in the roots.
1 Lower
2 Equal
3 Higher
4 Cannot predict
Explanation:
The concentration of minerals in the soil is usually lower than the concentration of minerals in the root.
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BIOXI11: TRANSPORT IN PLANTS
336508
Plants obtain most of their oxygen required for photosynthesis from
1 \(\mathrm{CO}_{2}\) in the atmosphere
2 Water
3 Soil particles
4 None of the above
Explanation:
Plants obtain most of their oxygen required for photosynthesis from \(\mathrm{CO}_{2}\) in the atmosphere
BIOXI11: TRANSPORT IN PLANTS
336509
Most of the minerals are present in the soil as
1 Neutral molecules
2 Charged ions
3 Bound to other molecules
4 Both 1 and 2
Explanation:
Minerals are present in the soil as charged particles (ions) which cannot move across cell membranes.
BIOXI11: TRANSPORT IN PLANTS
336511
Statement A : Transport proteins of endodermal cells are control points. Statement B : The root endodermis because of the layer of suberin has the ability to actively transport ions in all direction.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The root endodermis because of the layer of suberin has the ability to actively transport ions in one direction only.
BIOXI11: TRANSPORT IN PLANTS
336512
The concentration of minerals in soil is usually ____ than the concentration of minerals in the roots.
1 Lower
2 Equal
3 Higher
4 Cannot predict
Explanation:
The concentration of minerals in the soil is usually lower than the concentration of minerals in the root.
336508
Plants obtain most of their oxygen required for photosynthesis from
1 \(\mathrm{CO}_{2}\) in the atmosphere
2 Water
3 Soil particles
4 None of the above
Explanation:
Plants obtain most of their oxygen required for photosynthesis from \(\mathrm{CO}_{2}\) in the atmosphere
BIOXI11: TRANSPORT IN PLANTS
336509
Most of the minerals are present in the soil as
1 Neutral molecules
2 Charged ions
3 Bound to other molecules
4 Both 1 and 2
Explanation:
Minerals are present in the soil as charged particles (ions) which cannot move across cell membranes.
BIOXI11: TRANSPORT IN PLANTS
336511
Statement A : Transport proteins of endodermal cells are control points. Statement B : The root endodermis because of the layer of suberin has the ability to actively transport ions in all direction.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The root endodermis because of the layer of suberin has the ability to actively transport ions in one direction only.
BIOXI11: TRANSPORT IN PLANTS
336512
The concentration of minerals in soil is usually ____ than the concentration of minerals in the roots.
1 Lower
2 Equal
3 Higher
4 Cannot predict
Explanation:
The concentration of minerals in the soil is usually lower than the concentration of minerals in the root.
336508
Plants obtain most of their oxygen required for photosynthesis from
1 \(\mathrm{CO}_{2}\) in the atmosphere
2 Water
3 Soil particles
4 None of the above
Explanation:
Plants obtain most of their oxygen required for photosynthesis from \(\mathrm{CO}_{2}\) in the atmosphere
BIOXI11: TRANSPORT IN PLANTS
336509
Most of the minerals are present in the soil as
1 Neutral molecules
2 Charged ions
3 Bound to other molecules
4 Both 1 and 2
Explanation:
Minerals are present in the soil as charged particles (ions) which cannot move across cell membranes.
BIOXI11: TRANSPORT IN PLANTS
336511
Statement A : Transport proteins of endodermal cells are control points. Statement B : The root endodermis because of the layer of suberin has the ability to actively transport ions in all direction.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The root endodermis because of the layer of suberin has the ability to actively transport ions in one direction only.
BIOXI11: TRANSPORT IN PLANTS
336512
The concentration of minerals in soil is usually ____ than the concentration of minerals in the roots.
1 Lower
2 Equal
3 Higher
4 Cannot predict
Explanation:
The concentration of minerals in the soil is usually lower than the concentration of minerals in the root.