Monocot root differs from dicot root in
1. Having differentiated ground tissue
2. Presence of centripetal xylem
3. Pericyclic origin of lateral roots
4. Presence of large and well-developed pith
Protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of ______ xylem is present in ________.
1. Secondary, root
2. Primary, stem
3. Secondary, stem
4. Primary, root
Lenticels are present in
1. Outer primary protective tissue
2. The outer layer of secondary protective tissue
3. The middle layer of secondary protective tissue
4. Inner layer of secondary protective tissue
Cells having cellulose, hemicellulose and pectin deposits on the wall and shows its presence commonly in the petiole of leaf and growing green stems belong to
1. Sclerenchyma
2. Collenchyma
3. Aerenchyma
4. Parencyma
As compared to the monocot root, the dicot root has/shows
1. Large and well-developed pith
2. Primary growth only
3. Sclerenchymatous pericycle
4. Fewer xylem bundles
Which of the given figure represents the internal structural details of a monocot root?
1.
2.
3.
4.
The most abundant and common tissue in plants
1. Has non-vacuolated cytoplasm
2. Is living and has cellulosic wall
3. Stores ergastic substances always
4. Cannot take part in photosynthesis
Monocot stems do not have
1. Protophloem
2. Phloem parenchyma
3. Companion cell in phloem
4. Sieve tube and metaphloem
Choose the correct option with respect to sclereids
1. Physiologically active
2. Pits are present
3. Derived from meristems directly
4. Little amount of protoplasm is present
The isobilateral leaf is characterized by all the given characteristics, except
1. Vascular bundles are always closed
2. Xylem is towards the adaxial surface of leaf
3. Mesophyll cells are not differentiated
4. Parenchymatous extensions of the bundle sheath