MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 6551. |
Well-developed pith is found in [BHU 1980] |
| A. | Monocot stem and dicot root |
| B. | Monocot and dicot stems |
| C. | Dicot stem and dicot root |
| D. | Dicot stem and monocot root |
| Answer» E. | |
| 6552. |
In dicot root [CPMT 1982] |
| A. | Vascular bundles are scattered and with cambium |
| B. | Vascular bundles are arranged in a ring and have cambium |
| C. | Xylem and phloem radially arranged |
| D. | Xylem is always endarch |
| Answer» D. Xylem is always endarch | |
| 6553. |
Which of the following is correct sequence of layers in typical monocot root (from outer surface to inside) [CPMT 2005] |
| A. | Pericycle, cortex, endodermis, epiblema |
| B. | Epiblema, endodermis, cortex, pericycle |
| C. | Epiblema, cortex, endodermis, pericycle |
| D. | Epiblema, pericycle, cortex, endodermis |
| Answer» D. Epiblema, pericycle, cortex, endodermis | |
| 6554. |
Pith is a central part of the ground [J&K CET 2005] |
| A. | Parenchyma |
| B. | Collennohyma |
| C. | Chlorenchyma |
| D. | Sclerenchyma |
| Answer» B. Collennohyma | |
| 6555. |
Monocot root differs from dicot root in [AMU 2005] |
| A. | Presence of more than six xylem bundle |
| B. | Well-developed pith |
| C. | Absence of secondary growth |
| D. | All of these |
| Answer» E. | |
| 6556. |
In monocot leaf [CBSE PMT 1990] |
| A. | Bulliform cells are absent from the epidermis |
| B. | Veins form a network |
| C. | Mesophyll is well differentiated into these parts |
| D. | Mesophyll is not differentiated into palisade and spongy parenchyma |
| Answer» E. | |
| 6557. |
Conjoint, collateral and closed vascular bundle is found in [CPMT 1998; RPMT 1992, 02; BHU 2002; BCECE 2005] |
| A. | Monocot stem |
| B. | Monocot root |
| C. | Dicot stem |
| D. | Dicot root |
| Answer» B. Monocot root | |
| 6558. |
Largest number of chloroplast is found in [CPMT 2004] |
| A. | Palisade tissue |
| B. | Spongy tissue |
| C. | Transfusion tissue |
| D. | Bundle sheath cells |
| Answer» B. Spongy tissue | |
| 6559. |
In monocot stem, following is absent [DPMT 2004] |
| A. | Endodermis |
| B. | Hypodermis |
| C. | Cortex |
| D. | Both [a] and [b] |
| Answer» B. Hypodermis | |
| 6560. |
In dicot roots, cells of which region show casparian strips [RPMT 1997; CBSE PMT 1999; Orissa JEE 2005] |
| A. | Cambium |
| B. | Endodermis |
| C. | Pericycle |
| D. | Hypodermis |
| Answer» C. Pericycle | |
| 6561. |
Kranz anatomy is found in [CPMT 1998] |
| A. | Monocots |
| B. | Dicots |
| C. | Both [a] and [b] |
| D. | None of these |
| Answer» D. None of these | |
| 6562. |
Lateral roots arise from [CPMT 1994; DPMT 2003] |
| A. | Pericycle |
| B. | Pith |
| C. | Stem |
| D. | Root |
| Answer» B. Pith | |
| 6563. |
Origin of lateral root of secondary root is [RPMT 1987] |
| A. | Exogenous |
| B. | Endogenous |
| C. | Lysigenous |
| D. | Schizogenous |
| Answer» C. Lysigenous | |
| 6564. |
In monocot roots which types of vascular bundles are found [BHU 2003] |
| A. | Collateral, conjoint and closed |
| B. | Radial V.B. with exarch xylem |
| C. | Bicollateral, conjoint and closed |
| D. | Radial V.B. with endarch xylem |
| Answer» C. Bicollateral, conjoint and closed | |
| 6565. |
Sclerenchymatous sheath is present in vascular bundles [CET Pune 1998] |
| A. | Monocot root |
| B. | Dicot root |
| C. | Dicot stem |
| D. | Monocot stem |
| Answer» E. | |
| 6566. |
Collenchyma tissue is present in [RPMT 1995] |
| A. | Dicot stem |
| B. | Monocot stem |
| C. | Dicot root |
| D. | Flowers |
| Answer» B. Monocot stem | |
| 6567. |
In root, xylem is [CBSE PMT 1990] |
| A. | Mesarch |
| B. | Exarch |
| C. | Placed at different places in different plants |
| D. | Endarch |
| Answer» C. Placed at different places in different plants | |
| 6568. |
Phloem parenchyma is absent in [RPMT 1985] |
| A. | Dicot root |
| B. | Dicot leaf |
| C. | Monocot stem |
| D. | Dicot stem |
| Answer» D. Dicot stem | |
| 6569. |
The vascular bundles in the stem of monocots are typically [CPMT 1989] |
| A. | Collateral |
| B. | Bicollateral |
| C. | Concentric |
| D. | Radial |
| Answer» B. Bicollateral | |
| 6570. |
Collenchyma generally occurs [Bihar MDAT 1992] |
| A. | Scattered in dicot roots |
| B. | In a ring in monocot roots |
| C. | In patches under epidermis in dicot stem |
| D. | In all of the above |
| Answer» D. In all of the above | |
| 6571. |
Abundant pith is characteristic of |
| A. | Monocot root and monocot stem |
| B. | Monocot root and dicot stem |
| C. | Dicot stem and dicot root |
| D. | Dicot root and monocot stem |
| Answer» C. Dicot stem and dicot root | |
| 6572. |
In isobilateral leaf more plastids are found in [Bihar MDAT 1995] |
| A. | Upper epidermis |
| B. | Lower epidermis |
| C. | Mesophyll cells |
| D. | Pericycle |
| E. | None of these |
| Answer» D. Pericycle | |
| 6573. |
In what respect, the pericycle of a root differs from that of the stem |
| A. | Sclerenchymatous in root and collenchymatous in stem |
| B. | Collenchymatous in root and parenchymatous in stem |
| C. | Parenchymatous in root and sclerenchymatous in stem |
| D. | Parenchymatous in root and collenchymatous in stem |
| Answer» D. Parenchymatous in root and collenchymatous in stem | |
| 6574. |
Which of the following is seen in a monocot root [BHU 1991] |
| A. | Large pith |
| B. | Vascular cambium |
| C. | Endarch xylem |
| D. | Medullary ray |
| Answer» B. Vascular cambium | |
| 6575. |
T.S. of stem of Cucurbita can be identified from the T.S. of sunflower stem by the presence of |
| A. | Bicollateral vascular bundles |
| B. | Conjoint vascular bundles |
| C. | Scattered vascular bundles |
| D. | Cambium in the vascular bundles |
| Answer» B. Conjoint vascular bundles | |
| 6576. |
Palisade tissue is present on both sides of leaf of |
| A. | Helianthus |
| B. | Nerium |
| C. | Wheat |
| D. | Maize |
| Answer» C. Wheat | |
| 6577. |
Velamen tissue in orchids is found in [RPMT 2002] |
| A. | Shoot |
| B. | Root |
| C. | Leaves |
| D. | Flowers |
| Answer» C. Leaves | |
| 6578. |
Cortex and pith are not distinguished in |
| A. | Dicot stem |
| B. | Monocot stem |
| C. | Dicot root |
| D. | Monocot root |
| Answer» C. Dicot root | |
| 6579. |
In a dorsiventral leaf, location of palisade tissue and phloem respectively are [RPMT 1999] |
| A. | Abaxial and abaxial |
| B. | Adaxial and abaxial |
| C. | Adaxial and adaxial |
| D. | Abaxial and adaxial |
| Answer» C. Adaxial and adaxial | |
| 6580. |
Vascular bundles in dicot stem are [MHCET 2001] |
| A. | Conjoint and collateral |
| B. | Conjoint and closed |
| C. | Conjoint, collateral and open |
| D. | Collateral and open |
| Answer» D. Collateral and open | |
| 6581. |
Collenchymatous hypodermis is characteristics of [CPMT 1984; JIPMER 1986; MP PMT 1986] |
| A. | Dicot stem |
| B. | Monocot stem |
| C. | Monocot as well as dicot stem |
| D. | Hydrophytes |
| Answer» B. Monocot stem | |
| 6582. |
Vascular bundles have a prominent sheath of fibres in |
| A. | Dicot root |
| B. | Monocot root |
| C. | Monocot stem |
| D. | Dicot stem |
| Answer» C. Monocot stem | |
| 6583. |
Two to five xylem bundle are found in |
| A. | Monocot root |
| B. | Monocot stem |
| C. | Dicot stem |
| D. | Dicot root |
| Answer» E. | |
| 6584. |
Exarch xylem is found in [KCET 1999] |
| A. | Root |
| B. | Stem |
| C. | Leaf |
| D. | Rachis |
| Answer» B. Stem | |
| 6585. |
Phloem parenchyma is absent in |
| A. | Vascular rays |
| B. | Monocot stem |
| C. | Dicot root |
| D. | Dicot leaf |
| Answer» C. Dicot root | |
| 6586. |
Monocot root differs from dicot root in |
| A. | Showing secondary growth |
| B. | No xylem |
| C. | No cambium |
| D. | No phloem |
| Answer» D. No phloem | |
| 6587. |
Cortex in the monocot root constitutes |
| A. | Parenchymatous cells |
| B. | Collenchymatous cells |
| C. | Sclerenchymatous cells |
| D. | Companion cells |
| Answer» B. Collenchymatous cells | |
| 6588. |
The cell layer located at the periphery in the cross-section of the root is called |
| A. | Endodermis |
| B. | Epiblema |
| C. | Pericycle |
| D. | Xylem |
| Answer» C. Pericycle | |
| 6589. |
The lacunae in the vascular bundles of monocot stem is |
| A. | A large sized protoxylem |
| B. | A mucilage canal |
| C. | Metaxylem |
| D. | Lysigenous water cavity |
| Answer» E. | |
| 6590. |
In a vertical section of a dorsiventral leaf, the protoxylem in its midrid bundle [BHU 1994] |
| A. | Faces the dorsal epidermis of the leaf |
| B. | Faces the ventral epidermis of the leaf |
| C. | Is not distinct |
| D. | Is surrounded by metaxylem |
| Answer» B. Faces the ventral epidermis of the leaf | |
| 6591. |
Endodermis of dicot stem is also called [RPMT 1986] |
| A. | Bundle sheath |
| B. | Starch sheath |
| C. | Mesophyll |
| D. | Pith |
| Answer» C. Mesophyll | |
| 6592. |
Polyarch condition is seen in [JIPMER 1986] |
| A. | Monocot stem |
| B. | Monocot root |
| C. | Dicot root |
| D. | Dicot stem |
| Answer» C. Dicot root | |
| 6593. |
Which of the following is not a characteristic feature of the anatomy of dicotyledonous root [CPMT 1990] |
| A. | Radial vascular bundles |
| B. | Secondary growth |
| C. | Pith little or absent |
| D. | Vascular bundles 15 - 20 |
| Answer» E. | |
| 6594. |
Generally hypodermis in monocots is composed of [MP PMT 1986] |
| A. | Parenchyma |
| B. | Sclerenchyma |
| C. | Collenchyma |
| D. | Chlorenchyma |
| Answer» C. Collenchyma | |
| 6595. |
Exarch and polyarch vascular bundles occur in [DPMT 1980; MP PMT 2000] |
| A. | Monocot stem |
| B. | Monocot root |
| C. | Dicot stem |
| D. | Dicot root |
| Answer» C. Dicot stem | |
| 6596. |
Vascular bundles are scattered in [CPMT 1992; Kerala CET 2002] |
| A. | Bryophytes |
| B. | Dicot root |
| C. | Dicot stem |
| D. | Monocot stem |
| Answer» E. | |
| 6597. |
Colour of endosperm in maize is an example of |
| A. | Duplicate genes |
| B. | Inhibitory genes |
| C. | Polymeric genes |
| D. | Quantitative inheritance |
| Answer» B. Inhibitory genes | |
| 6598. |
Which is the example of supplementary gene |
| A. | Cucurbitta pepo |
| B. | Skin colour of mice |
| C. | Comb shape of poults |
| D. | None of the above |
| Answer» C. Comb shape of poults | |
| 6599. |
The example of epistatic gene is shown by |
| A. | Comb colour of poult |
| B. | Sweet pea |
| C. | Cucurbitta pepo |
| D. | None of the above |
| Answer» D. None of the above | |
| 6600. |
Dominant epistasis is shown by |
| A. | Antirrhinum majus |
| B. | Lathyrus odoratus |
| C. | Mirabilis jalapa |
| D. | None of the above |
| Answer» E. | |