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. |
Periwinkle is an example of ______ |
| A. | Dimerous |
| B. | Trimerous |
| C. | Tetramerous |
| D. | Pentamerous |
| Answer» C. Tetramerous | |
| 2. |
A mustard flower is an example of ___________ |
| A. | Actinomorphic flower |
| B. | Zygomorphic flower |
| C. | Asymmetric flower |
| D. | Epigynous flower |
| Answer» B. Zygomorphic flower | |
| 3. |
Which among the following is incorrect about classification of flowers based on the arrangement of whorls in a flower? |
| A. | In hypogynous flower, ovary is present at the lower most level when compared to sepals, petals and stamens |
| B. | In perigynous flower, ovary is neither the bottom most whorl nor the top most whorl |
| C. | Ovary in perigynous flower is called half superior ovary |
| D. | Ovary in epigynous flower is called inferior ovary |
| Answer» B. In perigynous flower, ovary is neither the bottom most whorl nor the top most whorl | |
| 4. |
Which among the following statements is incorrect about classification of flowers based on position of whorls? |
| A. | In hypogynous flower, gynoecium occupies the highest position |
| B. | Superior ovary is present in hypogynous flower |
| C. | In epigynous flower, gynoecium and other whorls of the flower remain on the same level |
| D. | China rose is an example of hypogynous flower |
| Answer» D. China rose is an example of hypogynous flower | |
| 5. |
Which among the following is incorrect about classification of flowers? |
| A. | Pea possesses bilateral symmetry |
| B. | Jasmine is an example of trimerous flower |
| C. | Papaya is an example of unisexual flower |
| D. | Hibiscus is an example of pentamerous flower |
| Answer» C. Papaya is an example of unisexual flower | |
| 6. |
Flowers are classified as unisexual or bisexual flowers based on the presence of male/ female sex organs. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which among the following is not correct about classification of flowers? |
| A. | A flower containing only stamen is called staminate |
| B. | Based on symmetry, flowers are classified into actinomorphic, zygomorphic and asymmetric flowers |
| C. | Flowers that possess radial symmetry is said to be zygomorphic flower |
| D. | Canna is an asymmetric flower |
| Answer» D. Canna is an asymmetric flower | |
| 8. |
Vexilary aestivation is usually seen in ________ |
| A. | Dimerous flowers |
| B. | Pentamerous flowers |
| C. | Tetramerous flowers |
| D. | Trimerous flowers |
| Answer» E. | |
| 9. |
Which among the following is incorrect about aestivation? |
| A. | Arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl is called aestivation |
| B. | In valvate aestivation, sepals or petals in a whorl just touch each other at the margin, without overlapping |
| C. | In twisted aestivation, margin of a sepal overlaps with that of the next one and so on in either clock-wise or counter clock-wise direction |
| D. | Gulmohar flower is an example of twisted aestivation |
| Answer» E. | |
| 10. |
Flowers are classified as trimerous, tetramerous and pentamerous based on the number of floral appendages in multiples of 3, 4 and 5 respectively. |
| A. | True |
| B. | False |
| Answer» B. False | |