MCQOPTIONS
Saved Bookmarks
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. |
Which among the following is incorrect about bulb? |
| A. | In bulb, stem is underground and condensed with fleshy leaves |
| B. | Leaves are arranged in concentric fashion |
| C. | In garlic, a single bulb is present |
| D. | Scale leaves are present on the bulb |
| Answer» D. Scale leaves are present on the bulb | |
| 2. |
The eyes in the potato are the nodes in the potato. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which among the following is incorrect about rhizome? |
| A. | Thick stems that grow horizontally under the soil are rhizomes |
| B. | Nodes and internodes are present in this kind of roots and the adventitious roots arise from the node |
| C. | Rhizomes are unaffected during unfavourable conditions |
| D. | The edible part of ginger is a root |
| Answer» E. | |
| 4. |
Which among the following statements is incorrect about creepers? |
| A. | Runners are modified sub-aerial stem that run along the ground and roots develop at nodes |
| B. | Suckers arise from the underground part of the stem and these roots are present in Mentha |
| C. | Stolon arises from the base of the main stem and gives rise to a new plant when meets the soil |
| D. | In pineapple, stem is modified into stolon |
| Answer» E. | |
| 5. |
Which among the following is incorrect about different modes of modifications in stems? |
| A. | Tendrils are tender and spirally coiled structures that arise from the axillary buds help in climbing of plants |
| B. | Stem thorns are woody and pointed structures that develop from apical buds and provides protection of plants |
| C. | Phylloclades are similar to stem thorns in structure but phylloclades are modification of leaves carry photosynthesis and also reduce transpiration |
| D. | In cladodes, only some part of stem is fleshy and green and they are capable of performing photosynthesis |
| Answer» C. Phylloclades are similar to stem thorns in structure but phylloclades are modification of leaves carry photosynthesis and also reduce transpiration | |
| 6. |
Which among the following is not correct about aerial stems? |
| A. | Aerial stems can be classified into week stems and strong stems |
| B. | Trailers are classified into procumbent, decumbent and diffuse based on the way they trail on the ground |
| C. | Tridax is an example of diffused stem |
| D. | Climbers are those plants that climb on any neighboring plants using modified stem structure called tendrils |
| Answer» D. Climbers are those plants that climb on any neighboring plants using modified stem structure called tendrils | |
| 7. |
Which among the following is not correct about different modifications of stem? |
| A. | Weak stems are aerial stems that are further classified into trailer, creeper and climber |
| B. | Stems in rhizome, tuber and bulb grow under the ground |
| C. | In some plants, stems are modified into thorns for defense |
| D. | Stems in corn grow above the ground |
| Answer» E. | |
| 8. |
Which among the following statements is incorrect about stem? |
| A. | The region of stem where buds arise is called a node |
| B. | The region between two consecutive nodes is called inter-node |
| C. | Stem helps in conduction of water and nutrients between root and shoot |
| D. | Stem system includes fruits, flowers, buds and leaves etc |
| Answer» E. | |
| 9. |
Which among the following is incorrect about stem? |
| A. | It is initially greenish and turns woody gradually |
| B. | A stem bears leaves, flowers, buds and fruits etc. and grows vertically erect |
| C. | Both the shoot and stem refers to the same part of a plant |
| D. | Aerial axis of a grown plant is called a stem |
| Answer» D. Aerial axis of a grown plant is called a stem | |
| 10. |
A stem is positively phototropic and most of the times negatively geotropic. |
| A. | True |
| B. | False |
| Answer» B. False | |