MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The central portion of the stem is called ________ |
| A. | Pith |
| B. | Cortex |
| C. | Vascular bundles |
| D. | Ground tissue |
| Answer» B. Cortex | |
| 2. |
Vascular bundles are surrounded by _________ |
| A. | Bundle sheath cells |
| B. | Endodermis |
| C. | Epidermis |
| D. | Hypodermis |
| Answer» B. Endodermis | |
| 3. |
Which among the following is incorrect about anatomy of the dicot leaf? |
| A. | Mesophyll is the portion in between adaxial and abaxial epidermis |
| B. | Mesophyll that performs photosynthesis are called palisade parenchyma and spongy parenchyma |
| C. | Spongy parenchyma are placed towards the adaxial epidermis |
| D. | Palisade parenchymatic cells are elongated cells that are arranged parallel to each other |
| Answer» D. Palisade parenchymatic cells are elongated cells that are arranged parallel to each other | |
| 4. |
Which among the following is incorrect about anatomy of a dicot stem? |
| A. | Epidermis is covered with a thin layer of cuticle and it bears few stomata and trichomes |
| B. | The hypodermis is made of collenchymatous cells and is present just below the epidermis |
| C. | Cortex is made of parenchymatic cells with conspicuous intercellular spaces |
| D. | Endodermis are also called as wax sheath as they are rich in waxy materials |
| Answer» E. | |
| 5. |
Vascular bundles, pericycle and pith are combinedly called stele. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Cortical layers of a dicot stem are made of collenchyma cells. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which among the following is incorrect about dicot stem? |
| A. | Xylem and phloem are vascular bundles are arranged in a ring like fashion |
| B. | Hypodermis is present just below the epidermis |
| C. | The vascular bundles are of open type |
| D. | Pith is made of vascular bundles |
| Answer» E. | |
| 8. |
Conjunctive cells are present only in dicot root and absent in monocot roots. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which among the following is an incorrect statement about the anatomy of a dicot root? |
| A. | More xylem bundles are present in a dicot root |
| B. | Conjunctive tissues are made of parenchymatic cells |
| C. | Cortex is made of schlerenchymatous cells |
| D. | Intercellular spaces are absent in endodermis |
| Answer» D. Intercellular spaces are absent in endodermis | |
| 10. |
Which among the following is incorrect about the anatomy of dicot root? |
| A. | The layer just inside the endodermis in a dicot root is called pericycle |
| B. | The portion between endodermis and epidermis is covered by parenchyma cells |
| C. | Secondary growth initiates from the cells of pericycle |
| D. | Pith in a dicot root quite larger than that of a mono cot root |
| Answer» E. | |