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Morphology Of Flowering Plants NEET Question and Answers
1. The word morphology means ___________
a) Study of structure
b) Study of bones
c) Study of change
d) Study of skin
2. Which among the following is incorrect about shoot system?
a) The portion of a plant that grows above the soil is called shoot system
b) Aerial roots are a part of shoot system
c) Shoot system comprises of leaves, branches, flowers and fruits
d) The shoot system develops from plumule
3. Which among the following is incorrect about the root?
a) Radicle grows to form a primary root inside the soil
b) From the primary roots grows the secondary roots from lateral surfaces
c) Most of the monocotyledons adopt tap root system
d) Adventitious roots are present in Banyan tree
4. Which among the following is an incorrect statement about root?
a) The root is covered at the end by a thimble like structure called root cap
b) Meristematic tissue helps in the growth of plants
c) Mersistematic cells when mature forms the so called growing cells
d) Root hairs increase the surface area which helps in increasing the levels of water absorption
5. Which among the following is incorrect about the modifications in roots?
a) Roots undergo modifications to perform conduction of water and minerals
b) Prop roots help in anchoring banyan tree to the ground
c) Pneumatophores are present in maize and sugar cane that help them to respire easily
d) Tap roots in turnip and carrot store food in their roots
6. Which among the following is incorrect about tap root and fibrous root?
a) Tap root grows deep into the soil
b) Fibrous root grows laterally
c) In fibrous root system, one primary root and more than one secondary root is present
d) Most of the dicotyledons adopt tap root system
7. Which among the following is incorrect about root system in carrot?
a) In carrot, roots are edible
b) They adopt fibrous root system
c) Turnip and beetroot also adopt the same type of root system
d) In this root system, one primary root present grows deep into soil and many secondary roots grow along the sides of the primary roots
8. Which among the following is incorrect about adventitious root system?
a) Adventitious roots when buried in soil grows into new roots
b) These roots provide additional anchoring to a plant
c) These are the roots that grow from parts that are other than the radicle
d) Adventitious roots are present in Turnip
9. Which among the following is incorrect about modifications of roots with respect to food storage?
a) Most of the times, tap roots become swollen to store food
b) Radish adopts napiform to store food
c) Napiform is found in turnip and the root is spherical in the top and tapers in the bottom
d) If the root is swollen in the middle and those that tapers on both the sides are called fusiform roots
10. Which among the following is incorrect about modifications in adventitious roots for food storage?
a) Tuberous roots are those roots that are swollen and don’t have any specific shape
b) Tuberous roots are found in plants like sweet potato
c) Slender roots with swollen apex are found in Dahlia
d) Fasciculated roots are those that have tubercles at the stem base
11. Which among the following is not correct about modifications of roots to facilitate respiration?
a) In some plants that grow in marshy areas, roots are modified to facilitate respiration
b) Pneumatophores are specialized breathing roots that help in respiration of plant that grows in marshy areas
c) Breathing roots are present in mango
d) Exchange of gases occur through lenticels in pneumatophores
12. Which among the following is incorrect about modification in roots for mechanical support?
a) Prop roots are those that originate from aerial branches
b) Prop roots are also called hanging roots
c) Those roots that originate from stem base that grow obliquely and penetrate into the soil are called stilt roots
d) Stilt roots are present in beetle
13. Which among the following statements is incorrect?
a) In trapa, roots help in performing photosynthesis
b) In few aquatic plants, roots are modified into spongy structure help in floating by maintaining buoyancy
c) In parasitic plants, haustorial roots penetrate into host to derive nutrition
d) Floating roots are present in cuscuta
14. Which among the following is incorrect about importance of root system?
a) Root system helps in absorption of water and minerals from soil
b) In plants like mangroves, breathing roots called pneumatophores are present
c) Pneumatophores grow vertically upwards and exchange gases through lenticels
d) Plants that grow tall derive their additional mechanical support by sending pillar like woody roots called stilt roots
15. Which among the following is incorrect about roots in banyan tree?
a) Banyan roots have adventitious roots called prop roots that provide them with additional support
b) Prop roots are also called as climbing roots
c) Prop roots on meeting the soil form secondary and tertiary roots
d) Initially these start as tiny outgrowth on the branches and become woody and large
16. Which among the following is incorrect about climbing roots?
a) These roots originate from nodes or internodes
b) They help plant climb on the surface
c) These roots secrete sticky substances that help the plants to stick on the walls
d) Climbing roots help in anchoring the plant to the soil
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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
24. 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
25. Which among the following is incorrect about different parts of the leaf?
a) Lamina contains veins and veinlets that transmit water to different regions of the leaf
b) Petiole is flexible thin structure that helps in fluttering of leaves in the air
c) Grass is an example of petiolate plants
d) Legumes have a swollen leaf base called Pulvinus
26. Which among the following is not correct about leaf?
a) Stipules are the leaf like structure that grows on the leaf base
b) The margin of the lamina can be entire, wavy or notched and the tip of the lamina can be round, acute or obtuse
c) The arrangement of veins and veinlets in the leaf is called venation and veins are the vascular tissues of leaves
d) In pinnate reticulate, there are many strong ribs and these ribs can be either convergent or divergent
27. Which among the following is incorrect about reticulate and parallel venation?
a) In reticulate venation, veins are arranged haphazardly
b) In parallel venation, veins are arranged in a parallel manner
c) In palmate venation, only one strong mid-rib is present
d) Rice is an example of convergent palmate parallel venation
28. Which among the following statements is incorrect about leaves?
a) Simple leaves are those leaves that are either entire or incised without touching the mid-rib
b) Compound leaves are those leaves in which incisions reach the mid-rib breaking the lamina into leaflets called as ‘pinnate’
c) In palmate compound leaves, leaflets are attached at a common point
d) An axillary bud is present at the end of every leaflet
29. Which among the following is incorrect about phyllotaxy?
a) The arrangement of leaves in the plant is called phyllotaxy
b) In alternate phyllotaxy, a single leaf is present at each node
c) Opposite phyllotaxy is present in China rose
d) In whorled phyllotaxy, multiple leaves are present at each node
30. Spines in cactus are due to _______
a) modifications of leaves
b) modifications of stem
c) modifications of flower
d) modifications of bud
31. Scale leaves are present in ______
32. Which among the following is incorrect about racemose and cymose?
a) In racemose inflorescence, the youngest flower remains at the top of floral axis
b) In cymose inflorescence, the floral main axis continues to grow throughout the life
c) In racemose inflorescence, indefinite number of flowers are formed
d) In cymose inflorescence, the axilary branches continue to grow throughout the life
33. Which among the following plays a vital role in pollination of pollen grains?
34. Which among the following is not correct about flower?
a) A flower has 4 whorls arranged successively i.e. calyx, corolla, androecium and gynoecium
b) Members of calyx and corolla are called as sepals and petals respectively
c) In polysepalous, the sepals are arranged in a free manner whereas in gamosepalous, the sepals are united
d) Tulip is an example of polypetalous
35. Which among the following is incorrect about stamens?
a) A stamen mainly contains of anther, filament and connective tissue
b) An anther is a bilobed structure present at the tip of filament with each lobe bearing 2 pollen sacs
c) Epipetalous flowers are those flowers in which stamens are attached to petals
d) Sunflower is an example of epiphyllous
36. Which among the following statements is incorrect about stamens?
a) In epiphyllous flowers, stamens are attached to perianth
b) Stamens attached to carpels are gynandrous
c) In monoadelphous, all filaments of stamens are bunched and all the stamens are united
d) In polystemonous, stamens are free i.e. they are neither attached to any part of the flower nor to each other
37. Which among the following is incorrect about Carpel?
a) Basal enclosed part of carpel is called ovary
b) Ovules are attached to cushion like structure called Placenta
c) Stigma is the part of the carpel that receives pollen grain
d) Arrangement of ovules within the ovary is called Aestivation
38. Which among the following is incorrect about different types of Placentation?
a) In marginal placentation, placenta develops on the ventral side of an ovary
b) Unlike marginal placentation where ovary is single chambered, in axile placentation ovary is multi-chambered
c) Okra is an example of axial placentation i.e. ovary is multi-chambered and ovules are attached to the central axis
d) Papaya is an example of basal placentation
39. Which among the following is not correct about free-central placentation?
a) In basal placentation, ovule is present at base of the ovary
b) In parietal placentation, placenta is swollen at centre and ovules get arranged around it
c) In apical placentation, ovule is present at apex of the ovary
d) Lemon is an example of axial placentation
40. 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
41. Vexilary aestivation is usually seen in ________
a) Dimerous flowers
b) Pentamerous flowers
c) Tetramerous flowers
d) Trimerous flowers
42. 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
43. 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
44. 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
45. 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
46. A mustard flower is an example of ___________
a) Actinomorphic flower
b) Zygomorphic flower
c) Asymmetric flower
d) Epigynous flower
47. Periwinkle is an example of ______
48. Which among the following is incorrect about structure of the fruit?
a) Wall of the fruit is called as “Pericarp”
b) The outer –most layer of epidermal cells is called epicarp
c) The inner most layer is called endo-carp
d) The edible part in apple is the mesocarp
49. The edible part of a coconut is the ______
50. Which among the following is not correct about simple dry fruits?
a) In simple dry fruits, the entire pericarp is dry and hard when it reaches maturity
b) In this type of fruits, a single ripened ovary with one or many seeds
c) In drupe, only mesocarp is fleshy and edible
d) Cherries are an example of berry
51. Which among the following is incorrect about classification of fruits based on their structure?
a) Multiple ovaries of multiple flowers form multiple fruits
b) Fruitlets of multiple and aggregate fruits can be either fleshy or dry
c) Water melon is an example of multiple fruit
d) Pericarp in simple fleshy fruits is mostly fleshy
52. Which among the following statements is incorrect about classification of fruits based on the origin of the fruit?
a) Based on the origin of the fruit, fruits are classified into true fruits and false fruits
b) True fruits are those that develop from ovary of a flower
c) False fruits are those that develops from ovary and other parts
d) False fruits are also called as superior fruit
53. Which among the following is incorrect about fruits?
a) Seedless fruits are formed if fertilization fails to takes place
b) In pineapple, ovary is the edible part
c) In pear, both ovary and thalamus are edible
d) In coconut, endocarp is the edible part
54. Which among the following is incorrect about seed?
a) A seed mainly contains a seed coat and an embryo
b) Embryo contains cotyledons, radicle and plumule
c) Embryo also contains endosperm that reserves nutrition for the embryo
d) Radicle grows into the shoot and the plumule forms the root system
55. Which among the following is incorrect about seeds based on the presence of the endosperm?
a) Endosperm is usually absorbed and digested by the developing embryo
b) Seeds that lack endosperm at maturity are called non-endospermic seeds
c) Seeds that contain endosperm are called endospermic seeds
d) In endospermic seeds, embryo gets absorbed and digested even before the seed gets detached from the plant
56. Which among the following is incorrect about structure of the seed?
a) Testa and tegmen are the two layers of a seed coat
b) Testa and tegmen are closely attached that they can’t be separated unless soaked in water
c) Seed coat provides protection to the embryo
d) Testa is the thin inner layer and tegmen is the thick outer layer of a seed coat
57. A scar on seed coat through which seed is attached to the fruit is called ________
b) Seed coat
58. Which among the following is not correct about embryo inside the seed?
a) An embryo contains cotyledons, radicle and plumule
b) Cotyledons store food and provide nourishment to the developing plumule and radicle
c) A plumule develops into roots
d) Cotyledons are also called as seed leaves
59. Which among the following is incorrect about structure in a monocotyledon seed?
a) A monocotyledonous seed mainly comprises of seed coat, endosperm and aleurone layer
b) Seed coat is due to fusion of pericarp
c) Endosperm comprises of starch required for the nourishment of the endosperm
d) Special tissue surrounding the endosperm is called the seed coat
60. A single cotyledon is also termed as __________
61. Embryonic shoot is covered by a protective layer called _________
62. Embryonic root is covered by a protective layer called ________
63. Which among the following is not correct about a floral diagram?
a) A floral diagram represents a clear pictorial view of a flower
b) The position of the mother axis with respect to the other floral parts is represented by the dot on the top of the floral diagram
c) It is possible to represent the cohesion and adhesion within parts of whorls and between whorls using a floral diagram
d) In a floral diagram, the fusion is represented by enclosing the figure within brackets and adhesion is represented by drawing line over the symbols of the floral parts
64. Fabaceae was earlier known as ________
d) Potato family
65. Which among the following statements is incorrect about Fabaceae?
a) Their venation is reticulate
b) They are found in almost every part of the world
c) They belong to the family of Leguminosae
d) The flowers in this kind grow in basipetal fashion
66. Which among the following is incorrect about Fabaceae?
a) They are zygomorphic and gamosepalous in nature
b) They have an inferior ovary
c) Their androecium is diadelphous
d) Soyabeans belongs to this category
67. Which among the following is incorrect?
a) Solanaceae is also called as the potato family
b) Lupin and sweet pea is also called as ornamentals
c) The flowers in Solanaceae grow in a basipetal fashion
d) The petals in Solanaceae show imbricate aestivation
68. Androecium in Solanaceae is _________
Morphology Of Flowering Plants NEET Question and Answers PDF
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