Flowers, Fruits, And Seeds

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  • 1/57 Questions

    How many cotyledons do dicots have?

    • 1
    • 2
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About This Quiz

Explore the fundamentals of plant life in the 'Flowers, Fruits, and Seeds' quiz. Understand the differences between annuals and perennials, learn about the structure of flowers including peduncles, receptacles, sepals, and petals. This quiz enhances knowledge crucial for students of botany and plant biology.

Flowers, Fruits, And Seeds - Quiz

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  • 2. 

    How many cotyledons do monocots have?

    • 1

    • 2

    Correct Answer
    A. 1
    Explanation
    Monocots have only one cotyledon. Cotyledons are embryonic leaves that provide nutrients to the developing plant. In monocots, such as grasses and lilies, the seed typically contains a single cotyledon, while in dicots, like beans and roses, there are usually two cotyledons. The number of cotyledons is one of the key characteristics used to differentiate between these two major groups of flowering plants.

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  • 3. 

    What is the exocarp?

    • Inner boundary around the seed(s)

    • Outer skin

    • Everything in between

    Correct Answer
    A. Outer skin
    Explanation
    The exocarp refers to the outer skin of a fruit. It is the outermost layer of the fruit that protects the inner parts, such as the seed(s) and the mesocarp. The exocarp can vary in texture and thickness depending on the fruit type, but its main function is to provide a barrier against external factors and to help retain moisture within the fruit.

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  • 4. 

    What is anther?

    • Slender structure

    • Produces pollen

    • Refers to the calyx and the corolla together

    Correct Answer
    A. Produces pollen
    Explanation
    Anther refers to the part of a flower that produces pollen. It is a crucial reproductive structure in plants, responsible for the production and release of pollen grains. The anther is typically located at the top of the stamen, which is the male reproductive organ of a flower. Pollen produced by the anther plays a vital role in the fertilization of plants, as it is transferred to the stigma of the female flower parts, leading to the formation of seeds and fruits.

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  • 5. 

    What is the endocarp?

    • Inner boundary around the seed(s)

    • Outer skin

    • Everything in between

    Correct Answer
    A. Inner boundary around the seed(s)
    Explanation
    The endocarp refers to the inner boundary that surrounds the seed(s) of a fruit. It is the layer that provides protection and support to the seed(s) within the fruit. This boundary separates the seed(s) from the mesocarp and the exocarp, which are the other layers of the fruit.

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  • 6. 

    Which of the following is the correct definition for style?

    • Connects the stigma & ovary

    • At the top of the pistil

    • Swollen base

    Correct Answer
    A. Connects the stigma & ovary
    Explanation
    The correct definition for style is that it connects the stigma and ovary. The style is a part of the pistil, which is the female reproductive organ of a flower. It is located at the top of the pistil and has a swollen base. The style plays a crucial role in the process of pollination, as it allows the pollen to travel from the stigma to the ovary, where fertilization takes place.

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  • 7. 

    What are annuals?

    • Have several years to complete life cycle

    • Has a two year life cycle

    • As a one year life cycle

    Correct Answer
    A. As a one year life cycle
    Explanation
    Annuals are plants that complete their life cycle in just one year. This means that they germinate, grow, flower, produce seeds, and die within a single year. Unlike perennial plants that live for multiple years, annuals complete their entire life cycle in a shorter period. This adaptation allows them to quickly reproduce and spread their seeds, taking advantage of favorable growing conditions. Annual plants are commonly found in gardens and cultivated for their vibrant flowers or edible fruits and vegetables.

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  • 8. 

    What kind of skin do True berries have?

    • Thick

    • Thin

    Correct Answer
    A. Thin
    Explanation
    Examples: Tomatoes, grapes, blueberries, bananas, etc

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  • 9. 

    What is a peduncle?

    • Petals

    • Stamens

    • Flower Stalk

    Correct Answer
    A. Flower Stalk
    Explanation
    A peduncle refers to the flower stalk, which is the structure that supports the flower and connects it to the main stem or branch of the plant. It provides support and allows the flower to be elevated for better visibility, pollination, and seed dispersal. The peduncle also transports water, nutrients, and sugars to and from the flower, aiding in its growth and development.

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  • 10. 

    Which of the following is the correct definition for ovary?

    • Swollen base

    • At the top of the pistil

    • Connects stigma & ovary

    Correct Answer
    A. Swollen base
    Explanation
    The correct definition for ovary is a swollen base. This is because the ovary is the part of a flower's reproductive system that contains the ovules, which eventually develop into seeds. It is located at the base of the pistil, the female reproductive organ of a flower. The ovary is responsible for producing and releasing eggs for fertilization.

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  • 11. 

    What is the radicle?

    • Develops into the roots

    • The stem above the cotyledons

    • The stem between the cotyledons and the radicle

    Correct Answer
    A. Develops into the roots
    Explanation
    The radicle is the part of a plant embryo that develops into the roots. It is the first organ to emerge from the seed during germination and plays a crucial role in anchoring the plant and absorbing water and nutrients from the soil. The radicle is located below the cotyledons, which are the embryonic leaves, and above the stem. As the plant grows, the radicle elongates and gives rise to the primary root, which then branches out into secondary roots, forming the root system of the plant.

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  • 12. 

    Which of the following is the correct definition for stigma?

    • Swollen base

    • Connects stigma & ovary

    • At the top of the pistil

    Correct Answer
    A. At the top of the pistil
    Explanation
    The correct definition for stigma is "at the top of the pistil." The stigma is a part of the female reproductive structure of a flower called the pistil. It is located at the top of the pistil and is responsible for receiving pollen during pollination.

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  • 13. 

    Ovary wall develops into a fruit which surrounds the seeds

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because in many plants, the ovary wall develops into a fruit that surrounds the seeds. This process is known as fruit development and it occurs after fertilization. The ovary wall undergoes changes, such as thickening and enlargement, to form the fruit. The fruit provides protection and aids in seed dispersal, allowing for the successful reproduction of the plant.

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  • 14. 

    What is perianth?

    • Produces pollen

    • Refers to the calyx and the corolla together

    • Slender Structure

    Correct Answer
    A. Refers to the calyx and the corolla together
    Explanation
    Perianth refers to the calyx and the corolla together. The calyx is the outermost whorl of a flower that protects the developing bud, while the corolla is the second whorl that consists of the petals and is responsible for attracting pollinators. Therefore, perianth encompasses both the calyx and the corolla, representing the outer non-reproductive parts of the flower.

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  • 15. 

    Which of the following is a characteristic of a grain?

    • Pericarp forms wings for dispersal

    • Pericarp is fused to the seed and cannot be separated

    Correct Answer
    A. Pericarp is fused to the seed and cannot be separated
    Explanation
    Examples: Corn, wheat, oats, etc

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  • 16. 

    Many seeds require a dormant period

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Many seeds require a dormant period before they can germinate and grow into plants. This period of dormancy allows the seed to conserve energy and protect itself from unfavorable conditions such as extreme temperatures or lack of water. During this time, the seed is in a state of suspended animation and does not actively grow. Once the conditions are favorable, such as when there is enough moisture and warmth, the seed will break its dormancy and start to grow. Therefore, the statement "Many seeds require a dormant period" is true.

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  • 17. 

    What is a filament?

    • Slender structure

    • Refers to the calyx and the corolla together

    • Produces pollen

    Correct Answer
    A. Slender structure
    Explanation
    A filament is a slender structure that is part of a flower. It is specifically the stalk-like structure that holds up the anther, which is the part of the flower that produces pollen. The filament is usually long and thin, allowing the anther to be positioned in a way that maximizes the exposure of the pollen to pollinators.

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  • 18. 

    Monocots are flower parts in threes and multiple of threes and Dicots are flowering parts in fours or fives and multiples of four or five

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Monocots and dicots refer to the two main categories of flowering plants. Monocots have flower parts in threes or multiples of threes, while dicots have flower parts in fours or fives, or multiples of fours or fives. This statement is true because it accurately describes the characteristics of monocots and dicots.

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  • 19. 

    What are ovules?

    • A single peduncle which leads to the flowers and a pedicel

    • Egg-shaped and attached to ovary wall

    • A mature ovary and accessory parts that usually contain seeds

    Correct Answer
    A. Egg-shaped and attached to ovary wall
    Explanation
    Ovules are egg-shaped structures that are attached to the ovary wall. They are part of the female reproductive system of plants and contain the female gametes, or eggs. Ovules develop into seeds after fertilization occurs.

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  • 20. 

    What kind of skin do pepo's have?

    • Thick

    • Thin

    Correct Answer
    A. Thick
    Explanation
    Examples: Pumpkins, watermelons, cucumbers, squash, etc

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  • 21. 

    Which of the following is a characteristic of samaras?

    • Pericarp is fused to the seed and cannot be separated

    • Pericarp form wings for dispersal

    Correct Answer
    A. Pericarp form wings for dispersal
    Explanation
    Examples: Maples, ashes, elms, etc

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  • 22. 

    What do seeds consist of?

    • Cotyledons

    • Embryo

    • Seed Coat

    Correct Answer(s)
    A. Cotyledons
    A. Embryo
    A. Seed Coat
    Explanation
    Seeds consist of cotyledons, which are the embryonic leaves of the plant. They also contain an embryo, which is the young, developing plant. Additionally, seeds have a seed coat, which is the protective outer covering that helps to prevent damage and drying out of the embryo.

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  • 23. 

    What are perennials?

    • Has several years to complete a life cycle

    • Has a year long life cycle

    • Has a two year life cycle

    Correct Answer
    A. Has several years to complete a life cycle
    Explanation
    Perennials are plants that have several years to complete their life cycle. Unlike annuals, which complete their life cycle in one year, perennials live for multiple years. They can survive through different seasons and continue to grow and reproduce year after year. This characteristic allows perennials to establish deep root systems and develop stronger structures, making them more resilient and long-lasting compared to other types of plants.

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  • 24. 

    What is the mesocarp?

    • Everything in between

    • Outer skin

    • Inner boundary around the seed(s)

    Correct Answer
    A. Everything in between
    Explanation
    The mesocarp refers to everything in between the outer skin and the inner boundary around the seed(s). It is the middle layer of a fruit that is responsible for protecting the seeds and providing them with nutrients. The mesocarp is usually fleshy and can vary in texture and taste depending on the type of fruit. It plays a crucial role in the development and dispersal of seeds.

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  • 25. 

    Which of the following is the characteristic of Achene?

    • Seed is attached to the pericarp but easily separated

    • A cup formed from bracts is attached to the bottom

    Correct Answer
    A. Seed is attached to the pericarp but easily separated
    Explanation
    Examples: Sunflowers, etc.

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  • 26. 

    The ovary is above the calyx and corolla is known as:The receptacle grows up and around the ovary and the ovary appears to be below the calyx and corolla is known as:

    • Inferior; Superior

    • Superior; Inferior

    Correct Answer
    A. Superior; Inferior
    Explanation
    The correct answer is "Superior; Inferior." In this case, the receptacle grows up and around the ovary, causing the ovary to appear below the calyx and corolla. This arrangement is referred to as "inferior." On the other hand, the calyx and corolla are positioned above the ovary, making them "superior."

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  • 27. 

    Which of the following are characteristics of drupes?

    • Single seed within a hard, stony endocarp (pit)

    • Oily skin and inner wall of ovary very juicy

    • A cup formed from bracts is attached to the bottom

    Correct Answer
    A. Single seed within a hard, stony endocarp (pit)
    Explanation
    Examples: Cherries, peaches, olives, almonds, and coconuts

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  • 28. 

    What are siliques? 

    • Splits along two seams, but the seeds are attached to a central partition

    • Splits along two seams

    • Splits along one seam

    Correct Answer
    A. Splits along two seams, but the seeds are attached to a central partition
    Explanation
    Examples: Mustard family

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  • 29. 

    Inflorescence is a single peduncle which leads to the flowers and a pedicel, then leads to each flower 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    An inflorescence refers to a cluster of flowers that are arranged on a single peduncle. The peduncle acts as the main stalk or support for the entire inflorescence. Each individual flower within the inflorescence is attached to the peduncle by a smaller stalk called the pedicel. Therefore, the statement that inflorescence is a single peduncle which leads to the flowers and a pedicel, then leads to each flower is true.

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  • 30. 

    Shizocarps are twin fruits that break apart upon drying into two one-seeded fruits

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Examples: carrots, parsley, dill

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  • 31. 

    What is epicotyl?

    • The stem above the cotyledons

    • Develops into the roots

    • The stem between the cotyledons and the radicle

    Correct Answer
    A. The stem above the cotyledons
    Explanation
    The epicotyl refers to the stem that is located above the cotyledons in a plant. This part of the stem is responsible for the development of the upper portion of the plant, including the leaves and flowers. It is an important part of the plant's growth and plays a crucial role in determining the overall structure and form of the plant.

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  • 32. 

    What is a receptacle?

    • Flower Stalk

    • Swelling on the tip of peduncle that the other parts of the flower attach to

    • Sepals

    Correct Answer
    A. Swelling on the tip of peduncle that the other parts of the flower attach to
    Explanation
    A receptacle in a flower refers to the swelling on the tip of the peduncle where the other parts of the flower attach. It acts as a base for the attachment of sepals, petals, stamens, and pistils. The receptacle provides support and allows these floral organs to be arranged in a specific pattern. It is an essential part of the flower's structure and plays a crucial role in the overall development and function of the flower.

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  • 33. 

    Which regions together are called the pericarp?

    • Mesocarp

    • Endocarp

    • Exocarp

    Correct Answer(s)
    A. Mesocarp
    A. Endocarp
    A. Exocarp
    Explanation
    The pericarp is the protective layer that surrounds the seed in a fruit. It is made up of three regions: the mesocarp, endocarp, and exocarp. The mesocarp is the middle layer of the pericarp, which is often fleshy and contains the majority of the fruit's tissue. The endocarp is the innermost layer of the pericarp, which directly surrounds the seed. The exocarp is the outermost layer of the pericarp, which is typically the skin or peel of the fruit. Together, these three regions make up the pericarp.

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  • 34. 

    What kind of skin do hesperidum's have?

    • Thick

    • Thin

    • Oily/Very juicy inner

    Correct Answer
    A. Oily/Very juicy inner
    Explanation
    Examples: Oranges, lemons, grapefruit, etc

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  • 35. 

    What are the characteristics of stamens?

    • Attached to the receptacle

    • Small, usually green

    • Outermost whorl

    Correct Answer
    A. Attached to the receptacle
    Explanation
    The characteristics of stamens are that they are attached to the receptacle, meaning they are connected to the base of the flower. They are usually small in size and often green in color. Stamens are also part of the outermost whorl of floral organs, which means they are located towards the outer edge of the flower structure.

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  • 36. 

    What is hypocotyl?

    • The stem above the cotyledons

    • The stem between the cotyledons and the radicle

    • Develops into the roots

    Correct Answer
    A. The stem between the cotyledons and the radicle
    Explanation
    The hypocotyl refers to the stem of a young plant embryo that is located between the cotyledons (seed leaves) and the radicle (embryonic root). It is responsible for connecting the cotyledons to the developing root system. As the plant grows, the hypocotyl elongates and pushes the cotyledons above the soil surface, allowing them to receive sunlight for photosynthesis. Eventually, the hypocotyl develops into the lower part of the stem, while the radicle develops into the roots.

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  • 37. 

    Most seeds will not germinate until they are in favorable environmental conditions including:

    • Temperature

    • Water

    • Oxygen

    • Light

    Correct Answer(s)
    A. Temperature
    A. Water
    A. Oxygen
    A. Light
    Explanation
    Seeds require specific environmental conditions to germinate successfully. Temperature is important as it affects the enzymatic reactions necessary for germination. Water is crucial for activating enzymes and providing the necessary hydration for the seed to swell and begin growth. Oxygen is needed for respiration, which provides energy for the germination process. Light is necessary for some seeds to germinate, as it triggers the production of certain hormones that stimulate growth. Therefore, the correct answer includes all four factors: temperature, water, oxygen, and light.

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  • 38. 

    Scarification is breaking dormancy artificially by putting seeds in a refrigerator in damp sand

    • True

    • False

    Correct Answer
    A. False
    Explanation
    STRATIFICATION is breaking dormancy artificially by putting seeds in a refrigerator in damp sand

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  • 39. 

    What is a folicle?

    • Splits along two seams, but the seeds are attached to a central partition

    • Splits along two seams

    • Splits along one seam

    Correct Answer
    A. Splits along one seam
    Explanation
    Examples: Milkweed etc

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  • 40. 

    How many different types of berries are there?

    • 3

    • 2

    • 4

    Correct Answer
    A. 3
  • 41. 

    An ovary position is a mature ovary and accessory parts that usually contains seeds

    • True

    • False

    Correct Answer
    A. False
    Explanation
    An ovary position is the position of the ovary in relation to where the calyx and the corolla attach to the receptacle

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  • 42. 

    What is a legume?

    • Splits along one seam

    • Splits along two seams

    • Splits along two seams, but the seeds are attached to a central partition

    Correct Answer
    A. Splits along two seams
    Explanation
    Examples: Peas, beans, peanuts, etc

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  • 43. 

    What are the characteristics of a pistil?

    • Often vase-shaped

    • Has a stigma

    • Has a style

    • Has an ovary

    Correct Answer(s)
    A. Often vase-shaped
    A. Has a stigma
    A. Has a style
    A. Has an ovary
    Explanation
    A pistil is the female reproductive part of a flower. It is often vase-shaped, with a stigma, style, and ovary. The stigma is the sticky surface where pollen is received, the style is the tube connecting the stigma to the ovary, and the ovary contains the ovules, which develop into seeds after fertilization. These characteristics are essential for the pistil's role in reproduction, as they allow for the reception, transfer, and development of pollen.

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  • 44. 

    A nut is a mature ovary and accessory parts that usually contains seeds

    • True

    • False

    Correct Answer
    A. False
    Explanation
    A FRUIT is a mature ovary and accessory parts that usually contains seeds

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  • 45. 

    Dormancy is broken by the development of large cracks in the seed coat over a long period of time

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Dormancy is broken by the development of SMALL cracks in the seed coat over a long period of time

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  • 46. 

    Which of the following are true about simple fleshy fruits?

    • Develop from a single flower with a single pistil

    • Ovaries fuse together to form a single fruit

    • Mesocarp is fleshy at maturity

    Correct Answer(s)
    A. Develop from a single flower with a single pistil
    A. Mesocarp is fleshy at maturity
    Explanation
    Simple fleshy fruits develop from a single flower with a single pistil. This means that the fruit is formed from the ovary of a single flower, which contains a single pistil. The ovaries of these fruits do not fuse together, so they do not form a single fruit. Additionally, the mesocarp of simple fleshy fruits is fleshy at maturity, which means that the middle layer of the fruit becomes soft and juicy as it ripens.

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  • 47. 

    What is the most common dry fruit?

    • Legume

    • Capsules

    • Siliques

    Correct Answer
    A. Capsules
    Explanation
    Splits all sorts of ways
    Examples: Lilies, irises, violets

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  • 48. 

    Almost 80%, of all flowering plants are dicots 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Almost 75%, of all flowering plants are dicots

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  • 49. 

    Which fruits contain growth inhibitors?

    • Apples

    • Pears

    • Citrus fruits

    • Tomatoes

    Correct Answer(s)
    A. Apples
    A. Pears
    A. Citrus fruits
    A. Tomatoes
    Explanation
    Apples, pears, citrus fruits, and tomatoes all contain growth inhibitors. These fruits naturally produce chemicals that inhibit the growth of other plants and organisms. This is a defense mechanism to prevent competition for resources and protect themselves from pests and diseases. These growth inhibitors can be found in the skin, seeds, and flesh of these fruits.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 16, 2011
    Quiz Created by
    Mpridemore14
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