MCQ - Fruits

Fruits


 * A fruit is botanically defined as:

   a) A sweet, fleshy structure eaten by humans.

   b) The mature and ripened ovule after fertilization.

   c) The mature and ripened ovary after fertilization.

   d) The entire inflorescence that becomes fleshy.

   Answer: c) The mature and ripened ovary after fertilization.


 * The wall of the fruit, which develops from the ovary wall, is called the:

   a) Epicarp

   b) Mesocarp

   c) Endocarp

   d) Pericarp

   Answer: d) Pericarp


 * In a fleshy fruit like a mango, the pericarp is differentiated into:

   a) Epicarp and endocarp only.

   b) Epicarp, mesocarp, and endocarp.

   c) Mesocarp and endocarp only.

   d) Just a single fleshy layer.

   Answer: b) Epicarp, mesocarp, and endocarp.

 

* Which layer of the pericarp forms the "stone" or "pit" in a drupe fruit like a peach?

   a) Epicarp

   b) Mesocarp

   c) Endocarp

   d) Seed coat

   Answer: c) Endocarp


 * Fruits that develop from a single ovary of a single flower are known as:

   a) Aggregate fruits

   b) Multiple fruits

   c) Simple fruits

   d) False fruits

   Answer: c) Simple fruits


 * A fruit that develops from a monocarpellary superior ovary and splits along both dorsal and ventral sutures is a:

   a) Follicle

   b) Capsule

   c) Legume (Pod)

   d) Siliqua

   Answer: c) Legume (Pod)


 * Which of the following is an example of a dry indehiscent fruit where the pericarp is fused with the seed coat?

   a) Pea

   b) Wheat grain

   c) Mustard

   d) Cotton

   Answer: b) Wheat grain (Caryopsis)


 * The fleshy part of an apple is mainly contributed by the:

   a) Ovary wall

   b) Thalamus

   c) Sepals

   d) Pedicel

   Answer: b) Thalamus


 * A fruit formed without fertilization is called a:

   a) Parthenocarpic fruit

   b) Pseudocarpic fruit

   c) Aggregate fruit

   d) Simple fruit

   Answer: a) Parthenocarpic fruit


 * Aggregate fruits develop from:

   a) A single flower with a syncarpous ovary.

   b) An entire inflorescence.

   c) A single flower with an apocarpous ovary.

   d) An inferior ovary.

   Answer: c) A single flower with an apocarpous ovary.


 * An example of a multiple (composite) fruit is:

   a) Mango

   b) Strawberry

   c) Raspberry

   d) Pineapple

   Answer: d) Pineapple


 * Which of the following is NOT a dry dehiscent fruit?

   a) Legume

   b) Follicle

   c) Caryopsis

   d) Capsule

   Answer: c) Caryopsis (It's dry indehiscent)


 * The coconut is botanically classified as a:

   a) Berry

   b) Nut

   c) Drupe

   d) Pome

   Answer: c) Drupe


 * Which part of the pericarp forms the fibrous "husk" of the coconut?

   a) Epicarp

   b) Mesocarp

   c) Endocarp

   d) Seed coat

   Answer: b) Mesocarp


 * In a simple fleshy fruit like a tomato, the epicarp, mesocarp, and endocarp are typically:

   a) Hard and woody.

   b) Fused and indistinguishable.

   c) Fleshy and often not clearly differentiated into distinct layers.

   d) Very thin and dry.

   Answer: c) Fleshy and often not clearly differentiated into distinct layers.


 * Botanically, a fruit is primarily defined as the:

   a) Edible, fleshy part of a plant.

   b) Mature and ripened ovule after fertilization.

   c) Mature and ripened ovary after fertilization.

   d) Structure that develops from the flower's petals.

   Answer: c) Mature and ripened ovary after fertilization.


 * The entire fruit wall that develops from the ovary wall is collectively known as the:

   a) Epicarp

   b) Mesocarp

   c) Endocarp

   d) Pericarp

   Answer: d) Pericarp


 * In a fruit like the mango, the edible fleshy part constitutes the:

   a) Epicarp

   b) Mesocarp

   c) Endocarp

   d) Thalamus

   Answer: b) Mesocarp


 * The hard, stony part of a drupe (like a peach or plum) is formed by the:

   a) Epicarp

   b) Mesocarp

   c) Endocarp

   d) Seed

   Answer: c) Endocarp


 * Which type of fruit develops from a single ovary of a single flower?

   a) Aggregate fruit

   b) Multiple fruit

   c) Simple fruit

   d) False fruit

   Answer: c) Simple fruit


 * A fruit where the pericarp is dry and fused with the seed coat, as seen in wheat or maize, is called a:

   a) Achene

   b) Caryopsis

   c) Nut

   d) Samara

   Answer: b) Caryopsis


 * In which of the following fruits is the fleshy part primarily formed by the thalamus, rather than the ovary wall?

   a) Mango

   b) Tomato

   c) Apple

   d) Pea

   Answer: c) Apple (This is an example of a false fruit/pome)


 * Fruits that develop without the process of fertilization are known as:

   a) Apocarpous fruits

   b) Parthenocarpic fruits

   c) Aggregate fruits

   d) Composite fruits

   Answer: b) Parthenocarpic fruits


 * An example of a fruit that develops from multiple separate carpels of a single flower is:

   a) Pineapple

   b) Mango

   c) Strawberry

   d) Lemon

   Answer: c) Strawberry (An aggregate of achenes)


 * The coconut is botanically classified as a:

   a) Berry

   b) Nut

   c) Drupe

   d) Pome

   Answer: c) Drupe (due to its fibrous mesocarp and stony endocarp)


 * Which of the following describes a 'berry' type of fruit?

   a) Dry with a single seed and a hard pericarp.

   b) Pericarp differentiated into epicarp, fleshy mesocarp, and stony endocarp.

   c) Entire pericarp is fleshy, typically with one or many seeds.

   d) Fleshy part derived from the thalamus.

   Answer: c) Entire pericarp is fleshy, typically with one or many seeds.


 * Multiple fruits, like the pineapple, are formed from:

   a) A single flower with multiple ovaries.

   b) The fusion of fruitlets from an entire inflorescence.

   c) A flower with an inferior ovary.

   d) Unfertilized ovaries.

   Answer: b) The fusion of fruitlets from an entire inflorescence.


 * In a dry indehiscent fruit, the pericarp at maturity is:

   a) Fleshy and juicy, splitting open to release seeds.

   b) Dry and hard, splitting open to release seeds.

   c) Dry and hard, not splitting open to release seeds.

   d) Soft and pulpy, enclosing many seeds.

   Answer: c) Dry and hard, not splitting open to release seeds.


 * The outer skin or rind of a fruit is called the:

   a) Mesocarp

   b) Endocarp

   c) Epicarp

   d) Pericarp (It's part of the pericarp, but epicarp is more specific for the outer layer)

   Answer: c) Epicarp


 * A fruit that develops from a flower where the ovary is covered by the thalamus and the fleshy part includes the thalamus is termed a:

   a) True fruit

   b) False fruit (Pseudocarp)

   c) Aggregate fruit

   d) Parthenocarpic fruit

   Answer: b) False fruit (Pseudocarp)

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