333932
Tracheids differ from other trachery elements in
1 Having casparian strips
2 Being imperforate
3 Lacking nucleus
4 Being lignified
Explanation:
Tracheids and vessels both are called tracheary elements because their main function is conduction of sap. They differ from each other in being imperforate. Tracheids are the specific cells which have pits to support upwards and lateral conduction of water sap.
AIPMT - 2014
BIOXI06: ANATOMY OF FLOWERING PLANTS
333933
Phloem fibres (bast fibres) are made up of ____
1 Parenchymatous cells
2 Collenchymatous cells
3 Sclerenchymatous cells
4 Squamous cells.
Explanation:
Phloem fibres (bast fibres) are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333934
Cell wall of xylem parenchyma is made up of ____.
1 Pectinase
2 Pectin
3 Cellulose
4 Pectinose
Explanation:
The thin walls of xylem parenchyma are made up of cellulose.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333956
Which of the following plant organs do not contain collenchyma
1 Monocot root
2 Monocot stem
3 Dicot root
4 Dicot stem
Explanation:
Collenchyma present in groups under epidermis to provide flexible support to the growing plant's organs and thus are present in young dicot stem, pedicel, and petioles, not in leaf base and roots, which are not the growing part. It is not present in monocots.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333957
Secondary thickening in collenchyma is of
1 Cellulose
2 Hemicellulose
3 Pectin
4 All of these
Explanation:
Collenchyma consists of cells which are much thickened at the corners due to a deposition of cellulose, hemicellulose and pectin. It is devoid of lignin.
333932
Tracheids differ from other trachery elements in
1 Having casparian strips
2 Being imperforate
3 Lacking nucleus
4 Being lignified
Explanation:
Tracheids and vessels both are called tracheary elements because their main function is conduction of sap. They differ from each other in being imperforate. Tracheids are the specific cells which have pits to support upwards and lateral conduction of water sap.
AIPMT - 2014
BIOXI06: ANATOMY OF FLOWERING PLANTS
333933
Phloem fibres (bast fibres) are made up of ____
1 Parenchymatous cells
2 Collenchymatous cells
3 Sclerenchymatous cells
4 Squamous cells.
Explanation:
Phloem fibres (bast fibres) are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333934
Cell wall of xylem parenchyma is made up of ____.
1 Pectinase
2 Pectin
3 Cellulose
4 Pectinose
Explanation:
The thin walls of xylem parenchyma are made up of cellulose.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333956
Which of the following plant organs do not contain collenchyma
1 Monocot root
2 Monocot stem
3 Dicot root
4 Dicot stem
Explanation:
Collenchyma present in groups under epidermis to provide flexible support to the growing plant's organs and thus are present in young dicot stem, pedicel, and petioles, not in leaf base and roots, which are not the growing part. It is not present in monocots.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333957
Secondary thickening in collenchyma is of
1 Cellulose
2 Hemicellulose
3 Pectin
4 All of these
Explanation:
Collenchyma consists of cells which are much thickened at the corners due to a deposition of cellulose, hemicellulose and pectin. It is devoid of lignin.
333932
Tracheids differ from other trachery elements in
1 Having casparian strips
2 Being imperforate
3 Lacking nucleus
4 Being lignified
Explanation:
Tracheids and vessels both are called tracheary elements because their main function is conduction of sap. They differ from each other in being imperforate. Tracheids are the specific cells which have pits to support upwards and lateral conduction of water sap.
AIPMT - 2014
BIOXI06: ANATOMY OF FLOWERING PLANTS
333933
Phloem fibres (bast fibres) are made up of ____
1 Parenchymatous cells
2 Collenchymatous cells
3 Sclerenchymatous cells
4 Squamous cells.
Explanation:
Phloem fibres (bast fibres) are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333934
Cell wall of xylem parenchyma is made up of ____.
1 Pectinase
2 Pectin
3 Cellulose
4 Pectinose
Explanation:
The thin walls of xylem parenchyma are made up of cellulose.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333956
Which of the following plant organs do not contain collenchyma
1 Monocot root
2 Monocot stem
3 Dicot root
4 Dicot stem
Explanation:
Collenchyma present in groups under epidermis to provide flexible support to the growing plant's organs and thus are present in young dicot stem, pedicel, and petioles, not in leaf base and roots, which are not the growing part. It is not present in monocots.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333957
Secondary thickening in collenchyma is of
1 Cellulose
2 Hemicellulose
3 Pectin
4 All of these
Explanation:
Collenchyma consists of cells which are much thickened at the corners due to a deposition of cellulose, hemicellulose and pectin. It is devoid of lignin.
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BIOXI06: ANATOMY OF FLOWERING PLANTS
333932
Tracheids differ from other trachery elements in
1 Having casparian strips
2 Being imperforate
3 Lacking nucleus
4 Being lignified
Explanation:
Tracheids and vessels both are called tracheary elements because their main function is conduction of sap. They differ from each other in being imperforate. Tracheids are the specific cells which have pits to support upwards and lateral conduction of water sap.
AIPMT - 2014
BIOXI06: ANATOMY OF FLOWERING PLANTS
333933
Phloem fibres (bast fibres) are made up of ____
1 Parenchymatous cells
2 Collenchymatous cells
3 Sclerenchymatous cells
4 Squamous cells.
Explanation:
Phloem fibres (bast fibres) are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333934
Cell wall of xylem parenchyma is made up of ____.
1 Pectinase
2 Pectin
3 Cellulose
4 Pectinose
Explanation:
The thin walls of xylem parenchyma are made up of cellulose.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333956
Which of the following plant organs do not contain collenchyma
1 Monocot root
2 Monocot stem
3 Dicot root
4 Dicot stem
Explanation:
Collenchyma present in groups under epidermis to provide flexible support to the growing plant's organs and thus are present in young dicot stem, pedicel, and petioles, not in leaf base and roots, which are not the growing part. It is not present in monocots.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333957
Secondary thickening in collenchyma is of
1 Cellulose
2 Hemicellulose
3 Pectin
4 All of these
Explanation:
Collenchyma consists of cells which are much thickened at the corners due to a deposition of cellulose, hemicellulose and pectin. It is devoid of lignin.
333932
Tracheids differ from other trachery elements in
1 Having casparian strips
2 Being imperforate
3 Lacking nucleus
4 Being lignified
Explanation:
Tracheids and vessels both are called tracheary elements because their main function is conduction of sap. They differ from each other in being imperforate. Tracheids are the specific cells which have pits to support upwards and lateral conduction of water sap.
AIPMT - 2014
BIOXI06: ANATOMY OF FLOWERING PLANTS
333933
Phloem fibres (bast fibres) are made up of ____
1 Parenchymatous cells
2 Collenchymatous cells
3 Sclerenchymatous cells
4 Squamous cells.
Explanation:
Phloem fibres (bast fibres) are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333934
Cell wall of xylem parenchyma is made up of ____.
1 Pectinase
2 Pectin
3 Cellulose
4 Pectinose
Explanation:
The thin walls of xylem parenchyma are made up of cellulose.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333956
Which of the following plant organs do not contain collenchyma
1 Monocot root
2 Monocot stem
3 Dicot root
4 Dicot stem
Explanation:
Collenchyma present in groups under epidermis to provide flexible support to the growing plant's organs and thus are present in young dicot stem, pedicel, and petioles, not in leaf base and roots, which are not the growing part. It is not present in monocots.
BIOXI06: ANATOMY OF FLOWERING PLANTS
333957
Secondary thickening in collenchyma is of
1 Cellulose
2 Hemicellulose
3 Pectin
4 All of these
Explanation:
Collenchyma consists of cells which are much thickened at the corners due to a deposition of cellulose, hemicellulose and pectin. It is devoid of lignin.