NEET UG - Morphology of flowering plants - root stem leaf inflorescence flower fruit seed Online Test (MCQ Quiz)

1. Which part of the plant is typically the first to emerge from a germinating seed?

A) Radicle B) Plumule C) Hypocotyl D) Epicotyl

2. What is the primary function of the root system in most plants?

A) Photosynthesis B) Anchorage and absorption C) Reproduction D) Gas exchange

3. A plant root that grows vertically downwards from the base of the stem is called:

A) Adventitious root B) Tap root C) Fibrous root D) Prop root

4. Which type of root system is characterized by a main root from which numerous smaller lateral roots branch out?

A) Fibrous root system B) Tap root system C) Adventitious root system D) Aerial root system

5. In grasses and wheat, the root system consists of numerous roots arising from the base of the stem. This is known as:

A) Tap root system B) Adventitious root system C) Fibrous root system D) Storage root system

6. Roots modified for storage of food reserves are typically:

A) Pneumatophores B) Aerial roots C) Tap roots and fibrous roots D) Prop roots and stilt roots

7. Which of the following is an example of a modified root for storage?

A) Carrot B) Ginger C) Potato D) Onion

8. Roots that grow upwards from the soil, helping plants in aeration in marshy areas, are called:

A) Suckers B) Rhizomes C) Pneumatophores D) Stolons

9. The root cap is a protective covering for the:

A) Root apex B) Shoot apex C) Leaf primordium D) Vascular cambium

10. The region of the root responsible for the elongation of cells is:

A) Zone of meristematic activity B) Zone of elongation C) Zone of maturation D) Root cap

11. Root hairs are unicellular outgrowths from the epidermis in the:

A) Zone of elongation B) Zone of maturation C) Apical meristem D) Root cap

12. Which part of the plant typically grows upwards and bears leaves, flowers, and fruits?

A) Root B) Stem C) Leaf D) Flower

13. The main function of the stem is to provide:

A) Anchorage B) Absorption of water C) Support and transport D) Photosynthesis

14. A stem that grows horizontally below the ground is called a:

A) Stolon B) Rhizome C) Runner D) Corm

15. Ginger is a modified stem known as a:

A) Tuber B) Bulb C) Rhizome D) Corm

16. Which of the following is a modified stem for vegetative propagation?

A) Sweet potato B) Radish C) Potato D) Carrot

17. What are the small, leaf-like structures at the base of a leaf stalk called?

A) Stipules B) Axillary buds C) Terminal buds D) Tendrils

18. A stem modified into a leaf-like flat green organ for photosynthesis is called a:

A) Phylloclade B) Cladode C) Thorn D) Tendril

19. In plants like Opuntia, the stem is modified into a flattened, green structure for photosynthesis. This modification is called:

A) Phyllode B) Cladode C) Phylloclade D) Thorn

20. Which modification of the stem helps the plant to climb?

A) Thorns B) Tendrils C) Rhizomes D) Bulbs

21. The buds located in the axil of leaves are called:

A) Terminal buds B) Adventitious buds C) Axillary buds D) Apical buds

22. The terminal bud is located at the:

A) Base of the stem B) Apex of the stem C) Axil of a leaf D) Root tip

23. Which part of the plant is the primary site of photosynthesis?

A) Root B) Stem C) Leaf D) Flower

24. A leaf is attached to the stem by a stalk called the:

A) Lamina B) Midrib C) Petiole D) Vein

25. The flattened green part of the leaf is called the:

A) Petiole B) Stipule C) Lamina D) Midrib

26. The arrangement of veins in the leaf lamina is called:

A) Venation B) Phyllotaxy C) Aestivation D) Inflorescence

27. Parallel venation is characteristic of:

A) Dicotyledonous plants B) Monocotyledonous plants C) Gymnosperms D) Pteridophytes

28. Reticulate venation is typically found in:

A) Monocots B) Dicots C) Grasses D) Palms

29. A leaf that is not completely divided into leaflets but has an undivided lamina is called:

A) Compound leaf B) Simple leaf C) Bract D) Spathe

30. In a compound leaf, the leaf blade is divided into several:

A) Lobes B) Leaflets C) Serrations D) Veins

31. Which type of leaf arrangement involves one leaf at each node, alternating on opposite sides of the stem?

A) Whorled B) Opposite C) Alternate D) Spiral

32. In a whorled phyllotaxy, how many leaves are attached at a single node?

A) One B) Two C) Three or more D) Variable

33. Which modification of leaf helps plants in climbing?

A) Spines B) Tendrils C) Scale leaves D) Storage leaves

34. The modification of leaves into sharp, pointed structures for defense is called:

A) Tendrils B) Spines C) Phyllodes D) Bracts

35. The arrangement of flowers on the floral axis is known as:

A) Venation B) Phyllotaxy C) Aestivation D) Inflorescence

36. In a racemose inflorescence, the main axis:

A) Terminates in a flower B) Continues to grow indefinitely C) Is suppressed D) Is reduced to a pedicel

37. Which type of inflorescence has a single flower at the end of the peduncle?

A) Raceme B) Spike C) Solitary D) Cymose

38. In a cymose inflorescence, the main axis:

A) Continues to grow indefinitely B) Terminates in a flower C) Is always branched D) Produces older flowers at the apex

39. A spike inflorescence is similar to a raceme, but the flowers are:

A) Pedicellate B) Sessile C) Branched D) Terminal

40. Which inflorescence has a main axis bearing sessile female flowers towards the base and stalked male flowers towards the apex?

A) Raceme B) Spadix C) Panicle D) Corymb

41. The whorl of petals in a flower is called the:

A) Calyx B) Corolla C) Androecium D) Gynoecium

42. The male reproductive part of a flower, consisting of anther and filament, is called the:

A) Pistil B) Stamen C) Petal D) Sepal

43. The female reproductive part of a flower, consisting of stigma, style, and ovary, is called the:

A) Stamen B) Corolla C) Gynoecium D) Androecium

44. The outermost whorl of a flower, consisting of sepals, is called the:

A) Corolla B) Androecium C) Gynoecium D) Calyx

45. The type of aestivation where petals overlap one another in a particular direction is called:

A) Valvate B) Twisted C) Imbricate D) Papilionaceous

46. In papilionaceous flowers, the largest petal is called the:

A) Keel B) Wings C) Standard D) Apex

47. The swollen basal part of the pistil where ovules are borne is the:

A) Stigma B) Style C) Ovary D) Anther

48. A fruit developed from the ovary of a flower after fertilization is termed a:

A) Parthenocarpic fruit B) Accessory fruit C) True fruit D) False fruit

49. Which of the following is an example of a false fruit?

A) Mango B) Apple C) Tomato D) Pea

50. A fruit in which the pericarp is fleshy throughout is called a:

A) Dry fruit B) Berry C) Nut D) Samara

Morphology of flowering plants - root stem leaf inflorescence flower fruit seed - Online Test

Test Results