MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The term Anthesis is used for [AIEEE 2004] |
| A. | Cluster of anthers |
| B. | Opening of flowers |
| C. | Dehiscence of anthers |
| D. | Falling of flowers |
| Answer» C. Dehiscence of anthers | |
| 2. |
In syngynia the flowers are |
| A. | Epigynous |
| B. | Fused to form a disc |
| C. | Fused by gynaecia only |
| D. | Both [a] and [b] |
| Answer» D. Both [a] and [b] | |
| 3. |
Thymus possesses two types of plants, female flowered and hermaphrodite flowered. The condition is called |
| A. | Trioecious |
| B. | Polygamous |
| C. | Gynomonecious |
| D. | Gynodioecious |
| Answer» E. | |
| 4. |
A true gynophore is present in |
| A. | Capparis and Cleome |
| B. | Euphorbia and Capparis |
| C. | Passiflora and Cleome |
| D. | All of these |
| Answer» D. All of these | |
| 5. |
Maturation of male and female sex organs at different time in a flower is called |
| A. | Apogamy |
| B. | Polygamy |
| C. | Dichogamy |
| D. | Herkogamy |
| Answer» D. Herkogamy | |
| 6. |
Study of flowers is |
| A. | Anthology |
| B. | Pomology |
| C. | Floriculture |
| D. | Spermology |
| Answer» B. Pomology | |
| 7. |
In Hibiscus rosa-sinensis there is an additional floral whorl known as |
| A. | Calyx |
| B. | Involucre |
| C. | Epicalyx |
| D. | Obdiplostemonous layer |
| Answer» D. Obdiplostemonous layer | |
| 8. |
Ligulate/strap-shaped corolla occurs in sunflower in [CPMT 1991] |
| A. | Disc florets |
| B. | Immature florets |
| C. | Ray florets |
| D. | Both ray and disc florets |
| Answer» D. Both ray and disc florets | |
| 9. |
In Gossypium the type of cohesion is [RPMT 1992, 96] |
| A. | Monoadelphous |
| B. | Diadelphous |
| C. | Polyadelphous |
| D. | Monothecous |
| Answer» B. Diadelphous | |
| 10. |
Anthophore is an internode between |
| A. | Two opposite leaves in spiral phyllotaxy |
| B. | Calyx and corolla |
| C. | Corolla and androecium |
| D. | Androecium and gynoecium |
| Answer» C. Corolla and androecium | |
| 11. |
Parachute like pappus is found in [CPMT 1986; BHU 1987; RPMT 1991; JKCMEE 2000] |
| A. | Liliaceae/Cotton |
| B. | Gramineae/Paddy |
| C. | Compositae/Marigold |
| D. | Solanaceae/Calotropis |
| Answer» D. Solanaceae/Calotropis | |
| 12. |
Ascending imbricate corolla is found in [CPMT 1986; RPMT 1988] |
| A. | Pisum/Papilionatae |
| B. | Tamarindus/Caesalpinoidae |
| C. | Mimosa/Mimosoidae |
| D. | Datura/Solanaceae |
| Answer» C. Mimosa/Mimosoidae | |
| 13. |
Two spines in Trapa fruit ('Singhara' fruit) are modifications of |
| A. | Seed coat |
| B. | Pericarp |
| C. | Sepals |
| D. | Bracts |
| Answer» D. Bracts | |
| 14. |
Oblique septum and swollen placenta is characteristic feature of [CPMT 1985; MP PMT 1986; RPMT 1985, 89] |
| A. | Gloriosa superba |
| B. | Capsicum frutescence |
| C. | Althea rosea |
| D. | Dalbergia sissoo |
| Answer» B. Capsicum frutescence | |
| 15. |
When stamens are superior the flower is [RPMT 1988] |
| A. | Hypogynous |
| B. | Perigynous |
| C. | Epigynous |
| D. | Hypogeous |
| Answer» D. Hypogeous | |
| 16. |
Compound apocarpous gynoecium is found in [CBSE PMT 1989, 91] |
| A. | Lily |
| B. | Hollyhock |
| C. | Lotus/Ranunculus |
| D. | Pumpkin |
| Answer» D. Pumpkin | |
| 17. |
Floral formula represents [NCERT 1984; CPMT 1978] |
| A. | Position of flower |
| B. | Symmetry of a flower |
| C. | Functions of a flower |
| D. | Diagrammatic notation of floral characters |
| Answer» E. | |
| 18. |
Polyadelphous anthers are present in [RPMT 1991] |
| A. | Sunflower |
| B. | Lemon |
| C. | Lady's finger |
| D. | Peanut |
| Answer» C. Lady's finger | |
| 19. |
Flowers and stamens of compositae are [CPMT 1978; AIIMS 1981; MP PMT 1986] |
| A. | Hypogynous and inferior |
| B. | Epigynous and superior |
| C. | Hypogynous and superior |
| D. | Epigynous and inferior |
| Answer» E. | |
| 20. |
Largest flower is that of [BHU 1978, 80, 84, 90; DPMT 1983; CPMT 1987, 96; BHU 2005; Orissa JEE 2005] |
| A. | Sunflower |
| B. | Rafflesia |
| C. | Nelumbo |
| D. | Drosera |
| Answer» C. Nelumbo | |
| 21. |
Smallest flower belongs to [BHU 1987, 91] |
| A. | Rosa indica |
| B. | Wolffia microscopica |
| C. | Ranunculus scleratus |
| D. | Colocasia antiquorum |
| Answer» C. Ranunculus scleratus | |
| 22. |
Which is present in monocot flowers [AFMC 1975, 76; CPMT 1989] |
| A. | Sepals |
| B. | Petals |
| C. | Tepals |
| D. | None of these |
| Answer» D. None of these | |
| 23. |
Flower is a modified shoot as[CPMT 1981, 82; DPMT 1983] |
| A. | Thalamus may elongate to show internodes |
| B. | There is aggregation into inflorescence |
| C. | It bears essential organs |
| D. | It may have epicalyx |
| Answer» B. There is aggregation into inflorescence | |
| 24. |
A flower is zygomorphic when [Bihar PMT 1991] |
| A. | Any transverse section divides it into two equal halves |
| B. | Only one transverse section divides it into two equal halves |
| C. | Every vertical section passing through its centre divides it into two equal halves |
| D. | Only one vertical section passing through its centre divides it into two equal halves |
| Answer» E. | |
| 25. |
The perianth is the term used when [AFMC 1979, 89] |
| A. | Androecium and gynoecium are similar |
| B. | Androecium and calyx are similar |
| C. | Corolla and gynoecium are similar |
| D. | Calyx and corolla are similar |
| Answer» E. | |
| 26. |
Aestivation of corolla in Pea is [CPMT 1976] |
| A. | Contorted |
| B. | Valvate |
| C. | Imbricate |
| D. | Vexillary |
| Answer» E. | |
| 27. |
Ray florets of sunflower (Compositae) are [AFMC 1981] |
| A. | Bisexual |
| B. | Unisexual |
| C. | Asexual |
| D. | None of these |
| Answer» C. Asexual | |
| 28. |
Part of pistil which receives pollen is [AFMC 1979; MP PMT 2004] |
| A. | Ovary |
| B. | Style |
| C. | Stigma |
| D. | Ovule |
| Answer» D. Ovule | |
| 29. |
Choose the product that is derived from style and stigma [CBSE PMT 1992] |
| A. | Saffron |
| B. | Fenugreek |
| C. | Asafoetida |
| D. | Psyllium |
| Answer» B. Fenugreek | |
| 30. |
Versatile anther is attached to filament [BHU 1996] |
| A. | At top firmly |
| B. | At base firmly |
| C. | Throughout length |
| D. | About middle of connective allowing free movement |
| Answer» E. | |
| 31. |
Flower of Hibiscus is [AIIMS 1999] |
| A. | Actinomorphic and epigynous |
| B. | Actinomorphic and hypogynous |
| C. | Zygomorphic and hypogynous |
| D. | Zygomorphic and epigynous |
| Answer» C. Zygomorphic and hypogynous | |
| 32. |
Two minute scales or lodicules occur in [AIIMS 1997; CET Chd. 1997] |
| A. | Citrus medica |
| B. | Triticum aestivum |
| C. | Helianthus annus |
| D. | Gossypium herbaceum |
| Answer» C. Helianthus annus | |
| 33. |
Monadelphous androecium occurs in [BHU 1992, 95] |
| A. | Pea |
| B. | Hibiscus |
| C. | Brassica |
| D. | Helianthus |
| Answer» C. Brassica | |
| 34. |
Synandrous condition is fusion of [Bihar PMT 1994] |
| A. | Filaments only |
| B. | Both filaments and anthers |
| C. | Anthers only |
| D. | Petals |
| Answer» C. Anthers only | |
| 35. |
Cruciform corolla is found in [CPMT 1991] |
| A. | Pea |
| B. | China Rose |
| C. | Radish |
| D. | Sunflower |
| Answer» D. Sunflower | |
| 36. |
Pappus is modification of [CPMT 1986; BHU 1992, 2005; CET Chd. 1997] |
| A. | Bracts |
| B. | Bracteoles |
| C. | Corolla |
| D. | Calyx |
| Answer» E. | |
| 37. |
Glumes are modified [JIPMER 1986; AFMC 1988] |
| A. | Petals |
| B. | Bracts (Dry and scaly bracts) |
| C. | Gynoecium |
| D. | Androecium |
| Answer» C. Gynoecium | |
| 38. |
Sometimes sepals are modified into hairy structures which are useful in dispersal of seeds. These are called [BHU 1992] |
| A. | Tepals |
| B. | Epik |
| C. | Pappus |
| D. | Trichome |
| Answer» D. Trichome | |
| 39. |
Odd sepal is enlarged and leaf-like in [MP PMT 1984] |
| A. | Rose |
| B. | Smilax |
| C. | Mussaenda |
| D. | Bougainvillea |
| Answer» D. Bougainvillea | |
| 40. |
In Maize, the flowers are [CPMT 1994] |
| A. | Absent |
| B. | Unisexual but on different plants |
| C. | Bisexual |
| D. | Unisexual but on the same plant |
| Answer» E. | |
| 41. |
Most important part in the life cycle of a plant is [CPMT 1979] |
| A. | Leaf |
| B. | Root |
| C. | Flower |
| D. | All of these |
| Answer» D. All of these | |
| 42. |
National flower of India is [CPMT 1979, 81, 96; DPMT 1982] |
| A. | Lotus |
| B. | Rosa |
| C. | Carica |
| D. | Colocasia |
| Answer» B. Rosa | |
| 43. |
Thalamus is [Bihar PMT 1994] |
| A. | Base of flower |
| B. | Base of ovary |
| C. | Modification of pollen |
| D. | Modification of petal |
| Answer» B. Base of ovary | |
| 44. |
Butterfly shaped flower with one stranded, two wing-like and two keeled petal belong to [AIIMS 2000] |
| A. | Compositae |
| B. | Rubiaceae |
| C. | Malvaceae |
| D. | Papilionaceae |
| Answer» E. | |
| 45. |
Ligulate corolla found in compositae is [CPMT 1986; JIPMER 2000] |
| A. | Wheel-shaped |
| B. | Strap-shaped |
| C. | Masked |
| D. | Two-lipped |
| Answer» C. Masked | |
| 46. |
Flowers are monochlamydeous in [AMU 1988] |
| A. | Malvaceae |
| B. | Fabaceae |
| C. | Liliaceae |
| D. | Polygonaceae |
| Answer» E. | |
| 47. |
Polyadelphous condition is related to [APMEE 1981; DPMT 1984] |
| A. | Calyx |
| B. | Androecium |
| C. | Corolla |
| D. | Gynoecium |
| Answer» C. Corolla | |
| 48. |
A plant with both male and female flowers borne over it is [CPMT 1993] |
| A. | Monoecious |
| B. | Dioecious |
| C. | Unisexual |
| D. | Bisexual |
| Answer» B. Dioecious | |
| 49. |
Axis developing between androecium and gynoecium is [MP PMT 1984; JIPMER 1984, 90; AIIMS 1989] |
| A. | Anthophore |
| B. | Androphore |
| C. | Gynophore |
| D. | Gynandrophore |
| Answer» D. Gynandrophore | |
| 50. |
Flower in which only one set of essential organ is present are said to be [CBSE PMT 2004] |
| A. | Bisexual |
| B. | Monoecious |
| C. | Dioecious |
| D. | Polygamous |
| E. | Unisexual |
| Answer» F. | |