Plant Morphology — MCQs Biology 50 min Score: 0 Attempted: 0/50 Subscribe 1. Plant morphology deals with the study of: (A) Internal structure of plants (B) External form and structure of plants (C) Physiological processes (D) Classification of plants 2. The part of plant that develops from plumule is: (A) Root (B) Leaf (C) Stem (D) Flower 3. Which part of the plant anchors it to the soil? (A) Stem (B) Leaf (C) Flower (D) Root 4. Which type of root system is found in wheat? (A) Tap root system (B) Adventitious roots (C) Fibrous root system (D) Aerial roots 5. The main function of roots is: (A) Photosynthesis (B) Reproduction (C) Transpiration (D) Absorption of water and minerals 6. Which root modification stores food? (A) Pneumatophores (B) Storage roots (C) Prop roots (D) Climbing roots 7. Which plant has prop roots? (A) Pea (B) Banyan (C) Wheat (D) Mustard 8. Pneumatophores are found in: (A) Desert plants (B) Mangrove plants (C) Aquatic plants (D) Epiphytes 9. The stem grows upward showing: (A) Hydrotropism (B) Phototropism (C) Geotropism (D) Thigmotropism 10. Which stem modification is used for storage of food? (A) Tuber (B) Thorn (C) Tendril (D) Climber 11. Potato is an example of: (A) Root tuber (B) Rhizome (C) Stem tuber (D) Bulb 12. Which stem modification helps in climbing? (A) Thorn (B) Tuber (C) Tendril (D) Sucker 13. Which stem modification helps in protection? (A) Tendril (B) Climber (C) Thorn (D) Bulb 14. The leaf stalk is called: (A) Lamina (B) Midrib (C) Petiole (D) Vein 15. Which part of leaf is mainly involved in photosynthesis? (A) Petiole (B) Lamina (C) Midrib (D) Vein 16. Leaves without petiole are called: (A) Compound (B) Sessile (C) Simple (D) Stipulate 17. The arrangement of leaves on stem is known as: (A) Venation (B) Phyllotaxy (C) Vernation (D) Aestivation 18. Which type of phyllotaxy is found in sunflower? (A) Opposite (B) Whorled (C) Spiral (D) Alternate 19. Reticulate venation is characteristic of: (A) Dicots (B) Monocots (C) Gymnosperms (D) Ferns 20. Parallel venation is found in: (A) Dicots (B) Ferns (C) Gymnosperms (D) Monocots 21. Which leaf is divided into leaflets? (A) Simple leaf (B) Compound leaf (C) Sessile leaf (D) Foliage leaf 22. Pea plant has which type of leaf? (A) Compound (B) Simple (C) Needle-like (D) Scale-like 23. Which structure protects the leaf bud? (A) Petiole (B) Lamina (C) Stipules (D) Veins 24. The arrangement of sepals and petals in flower bud is called: (A) Phyllotaxy (B) Aestivation (C) Vernation (D) Inflorescence 25. Which flower has all four whorls? (A) Incomplete (B) Inconspicuous (C) Complete (D) Sterile 26. A flower having both androecium and gynoecium is called: (A) Bisexual (B) Neutral (C) Unisexual (D) Sterile 27. Which flower lacks gynoecium? (A) Pistillate (B) Bisexual (C) Staminate (D) Complete 28. The male reproductive part of flower is: (A) Calyx (B) Androecium (C) Corolla (D) Gynoecium 29. The female reproductive part of flower is: (A) Calyx (B) Corolla (C) Gynoecium (D) Androecium 30. Which part of flower produces pollen grains? (A) Filament (B) Anther (C) Stigma (D) Ovary 31. Which part of carpel receives pollen? (A) Stigma (B) Ovary (C) Style (D) Ovule 32. Which structure connects stigma and ovary? (A) Anther (B) Filament (C) Receptacle (D) Style 33. Ovules are present inside: (A) Ovary (B) Stigma (C) Anther (D) Style 34. Which part of flower develops into fruit? (A) Ovule (B) Ovary (C) Stigma (D) Style 35. Which part of flower develops into seed? (A) Ovary (B) Anther (C) Petal (D) Ovule 36. The arrangement of flowers on floral axis is called: (A) Aestivation (B) Inflorescence (C) Phyllotaxy (D) Vernation 37. Which type of inflorescence is found in wheat? (A) Umbel (B) Raceme (C) Spike (D) Capitulum 38. The edible part of sunflower seed is: (A) Seed coat (B) Endosperm (C) Cotyledons (D) Plumule 39. Which fruit develops without fertilization? (A) Drupe (B) Berry (C) Aggregate fruit (D) Parthenocarpic fruit 40. Which type of fruit is mango? (A) Berry (B) Drupe (C) Pome (D) Capsule 41. Coconut is a type of: (A) Berry (B) Nut (C) Drupe (D) Legume 42. Which seed lacks endosperm at maturity? (A) Maize (B) Wheat (C) Rice (D) Pea 43. The seed coat consists of: (A) Testa only (B) Testa and tegmen (C) Tegmen only (D) Endosperm 44. Which part of seed grows into shoot? (A) Radicle (B) Plumule (C) Cotyledon (D) Testa 45. Which part of seed grows into root? (A) Plumule (B) Radicle (C) Cotyledon (D) Tegmen 46. Which type of germination occurs in bean? (A) Epigeal (B) Hypogeal (C) Vivipary (D) Asexual 47. Which type of germination occurs in maize? (A) Epigeal (B) Hypogeal (C) Vegetative (D) Vivipary 48. Which plant part shows thigmotropism? (A) Root (B) Stem tendril (C) Leaf (D) Flower 49. Which root modification provides additional support? (A) Storage roots (B) Climbing roots (C) Prop roots (D) Pneumatophores 50. Which structure marks the point of attachment of seed to fruit? (A) Micropyle (B) Chalaza (C) Hilum (D) Testa