Exp:C The interxylary phloem is found in 'Calotropis stem'. Interxylary phloem is the presence of phloem strands embedded within the secondary xylem and produced by the activity of a single cambium, calotropis stem said to be interxylary due to its presence inside xylem.
BHU PMT (Mains)-2011
Anatomy of Flowering Plants
271583
The plant tissue having aquatic adaptation is
1 collenchyma
2 sclerenchyma
3 aerenchyma
4 parenchyma
Explanation:
Exp:C The plant tissue having aquatic adaptation is 'aerenchyma'. Aerenchyma is a special spongy tissue with large intercellular air spaces that is found in aquatic plants. These air spaces are help in gaseous exchange. These are makes the plant light, hence, the plants can float very easily in water.
UP CPMT-2012
Anatomy of Flowering Plants
271584
Which of the following maintains continuity between the water and lipid phases inside and outside the cells?
1 Cell wall
2 Lecithin
3 Cell vacuole
4 Cell membrane of woody plants
Explanation:
Exp:B 'Lecithin' maintains continuity between the water and lipid phases inside and outside of the cells. The major phospholipids is made up of phosphotidylcholines, also called lecithin. It maintains the continuity between the water and lipid phases.
Uttarakhand PMT-2004
Anatomy of Flowering Plants
271585
Damaged sieve tubes are sealed by deposition of
1 Pectin
2 Callus
3 Suberin
4 Lignin
Explanation:
Exp:B Damaged sieve tubes are sealed by deposition of 'callus'. Callus is formed by a carbohydrate called callose. When callus is formed the pores are blocked and so the transport of food material is retarded. At the advance of spring this substance dissolve and the pores open again. Callose is deposited into the tangled mass in the sieve pores of damaged sieve tubes, which serves to seal off the damaged sieve elements.
Exp:C The interxylary phloem is found in 'Calotropis stem'. Interxylary phloem is the presence of phloem strands embedded within the secondary xylem and produced by the activity of a single cambium, calotropis stem said to be interxylary due to its presence inside xylem.
BHU PMT (Mains)-2011
Anatomy of Flowering Plants
271583
The plant tissue having aquatic adaptation is
1 collenchyma
2 sclerenchyma
3 aerenchyma
4 parenchyma
Explanation:
Exp:C The plant tissue having aquatic adaptation is 'aerenchyma'. Aerenchyma is a special spongy tissue with large intercellular air spaces that is found in aquatic plants. These air spaces are help in gaseous exchange. These are makes the plant light, hence, the plants can float very easily in water.
UP CPMT-2012
Anatomy of Flowering Plants
271584
Which of the following maintains continuity between the water and lipid phases inside and outside the cells?
1 Cell wall
2 Lecithin
3 Cell vacuole
4 Cell membrane of woody plants
Explanation:
Exp:B 'Lecithin' maintains continuity between the water and lipid phases inside and outside of the cells. The major phospholipids is made up of phosphotidylcholines, also called lecithin. It maintains the continuity between the water and lipid phases.
Uttarakhand PMT-2004
Anatomy of Flowering Plants
271585
Damaged sieve tubes are sealed by deposition of
1 Pectin
2 Callus
3 Suberin
4 Lignin
Explanation:
Exp:B Damaged sieve tubes are sealed by deposition of 'callus'. Callus is formed by a carbohydrate called callose. When callus is formed the pores are blocked and so the transport of food material is retarded. At the advance of spring this substance dissolve and the pores open again. Callose is deposited into the tangled mass in the sieve pores of damaged sieve tubes, which serves to seal off the damaged sieve elements.
Exp:C The interxylary phloem is found in 'Calotropis stem'. Interxylary phloem is the presence of phloem strands embedded within the secondary xylem and produced by the activity of a single cambium, calotropis stem said to be interxylary due to its presence inside xylem.
BHU PMT (Mains)-2011
Anatomy of Flowering Plants
271583
The plant tissue having aquatic adaptation is
1 collenchyma
2 sclerenchyma
3 aerenchyma
4 parenchyma
Explanation:
Exp:C The plant tissue having aquatic adaptation is 'aerenchyma'. Aerenchyma is a special spongy tissue with large intercellular air spaces that is found in aquatic plants. These air spaces are help in gaseous exchange. These are makes the plant light, hence, the plants can float very easily in water.
UP CPMT-2012
Anatomy of Flowering Plants
271584
Which of the following maintains continuity between the water and lipid phases inside and outside the cells?
1 Cell wall
2 Lecithin
3 Cell vacuole
4 Cell membrane of woody plants
Explanation:
Exp:B 'Lecithin' maintains continuity between the water and lipid phases inside and outside of the cells. The major phospholipids is made up of phosphotidylcholines, also called lecithin. It maintains the continuity between the water and lipid phases.
Uttarakhand PMT-2004
Anatomy of Flowering Plants
271585
Damaged sieve tubes are sealed by deposition of
1 Pectin
2 Callus
3 Suberin
4 Lignin
Explanation:
Exp:B Damaged sieve tubes are sealed by deposition of 'callus'. Callus is formed by a carbohydrate called callose. When callus is formed the pores are blocked and so the transport of food material is retarded. At the advance of spring this substance dissolve and the pores open again. Callose is deposited into the tangled mass in the sieve pores of damaged sieve tubes, which serves to seal off the damaged sieve elements.
Exp:C The interxylary phloem is found in 'Calotropis stem'. Interxylary phloem is the presence of phloem strands embedded within the secondary xylem and produced by the activity of a single cambium, calotropis stem said to be interxylary due to its presence inside xylem.
BHU PMT (Mains)-2011
Anatomy of Flowering Plants
271583
The plant tissue having aquatic adaptation is
1 collenchyma
2 sclerenchyma
3 aerenchyma
4 parenchyma
Explanation:
Exp:C The plant tissue having aquatic adaptation is 'aerenchyma'. Aerenchyma is a special spongy tissue with large intercellular air spaces that is found in aquatic plants. These air spaces are help in gaseous exchange. These are makes the plant light, hence, the plants can float very easily in water.
UP CPMT-2012
Anatomy of Flowering Plants
271584
Which of the following maintains continuity between the water and lipid phases inside and outside the cells?
1 Cell wall
2 Lecithin
3 Cell vacuole
4 Cell membrane of woody plants
Explanation:
Exp:B 'Lecithin' maintains continuity between the water and lipid phases inside and outside of the cells. The major phospholipids is made up of phosphotidylcholines, also called lecithin. It maintains the continuity between the water and lipid phases.
Uttarakhand PMT-2004
Anatomy of Flowering Plants
271585
Damaged sieve tubes are sealed by deposition of
1 Pectin
2 Callus
3 Suberin
4 Lignin
Explanation:
Exp:B Damaged sieve tubes are sealed by deposition of 'callus'. Callus is formed by a carbohydrate called callose. When callus is formed the pores are blocked and so the transport of food material is retarded. At the advance of spring this substance dissolve and the pores open again. Callose is deposited into the tangled mass in the sieve pores of damaged sieve tubes, which serves to seal off the damaged sieve elements.
