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Fruit and Seed Dispersal Test

Description: This test helps the student to revise the topic
Number of Questions: 25
Created by:
Tags: classification of fruit and seed dispersal Biology Trigonometry
Attempted 0/25 Correct 0 Score 0

________ is the fruit that develops from a superior ovary in which the pericarp and the seed coat remain free from each other.

  1. Achene

  2. Cypsela

  3. Nut

  4. Samara


Correct Option: A

______ develops from any part of the flower other than the ovary. It may develop from the receptacle or the calyx.

  1. Simple fleshy fruit

  2. Aggregate fruit

  3. False fruit

  4. Composite or multiple fruit


Correct Option: C

______ is the fruit that develops from chambered monocarpellary superior ovary. The dry papery seed coat remains fused with the pericarp.

  1. Achene

  2. Cypsela

  3. Caryopsis

  4. Samara


Correct Option: C

_________ develops from an inflorescence.

  1. Simple fleshy fruit

  2. Aggregate fruit

  3. Simple dry dehiscent fruit

  4. Composite or multiple fruit


Correct Option: D

True fruit develops from the ovary, but false fruit develops from flora parts such as

  1. corolla

  2. androecium

  3. ovary

  4. calyx


Correct Option: D

A fruit can be described as a ripened

  1. corolla

  2. androecium

  3. ovary

  4. calyx


Correct Option: C

A fruit wall developed from ovary is called

  1. epicarp

  2. mesocarp

  3. endocarp

  4. pericarp


Correct Option: D
Explanation:

 A fruit wall developed from ovary is called pericarp.

Sometimes the ovary develops normally into a fruit without fertilization. Such a type of fruit development is called ______.

  1. achene

  2. parthenocarpy

  3. nut

  4. samara


Correct Option: B

____ is a one-seeded fruit in which the pericarp becomes hard and woody.

  1. Achene

  2. Cypsela

  3. Caryopsis

  4. Nut


Correct Option: D

______ is a one or two-seeded fruit in which the pericarp bears flat wing-like structures adapted for wind dispersal.

  1. Achene

  2. Cypsela

  3. Caryopsis

  4. Samara


Correct Option: D

____ is the fruit that develops from a monocarpellary, multi-seeded gynoecium. The fruit dehisces longitudinally along two sutures.

  1. Capsule

  2. Siliqua

  3. Legume

  4. Follicle


Correct Option: C

____ is the fruit formed of two or more fused carpels containing many seeds.

  1. Capsule

  2. Siliqua

  3. Legume

  4. Follicle


Correct Option: A

______ develops from a monocarpellary multi-seeded gynoecium but dehisces longitudinally along the ventral suture only.

  1. Capsule

  2. Siliqua

  3. Legume

  4. Follicle


Correct Option: D

_____ is a collection of simple fruit developing from the apocarpous pistil of a flower.

  1. Simple fleshy fruit

  2. Aggregate fruit

  3. Simple dry dehiscent fruit

  4. Composite or multiple fruit


Correct Option: B

An aggregate of simple fruit borne by a single flower is called an _____.

  1. etaerio

  2. epicarp

  3. siliqua

  4. capsule


Correct Option: A

______ are thin, flat membranous appendages developed in certain fruits and seeds.

  1. Hair

  2. Wings

  3. Light seeds and fruits

  4. Censer mechanisms


Correct Option: B

Parthenocarpy can also be induced artificially by spraying the flowers with growth promoting hormones called

  1. auxins

  2. insulin

  3. ethylene

  4. gibberellins


Correct Option: A
Explanation:

 Parthenocarpy can also be induced artificially by spraying the flowers with growth promoting hormones called auxins.

Ash, maple, yam, shorea etc. are the examples of ______.

  1. winged seeds

  2. winged fruits

  3. parachute mechanism

  4. light seeds


Correct Option: B

The calyx gets modified into hair-like structures called _____, which persists in the fruit.

  1. pappus

  2. pericarp

  3. endosperm

  4. mesocarp


Correct Option: A

Some plants distribute their seeds by violently ejecting them so that they fall well away from the parent plant. This is ______.

  1. persistent hairy style

  2. parachute mechanism

  3. censer mechanism

  4. explosive mechanism


Correct Option: D

Sometimes the style of the flower persists and becomes plume-like or feathery. This is called ________.

  1. persistent hairy style

  2. parachute mechanism

  3. censer Mechanism

  4. None of these


Correct Option: A

Seeds of eaten fruits pass out undigested or are discarded. This type of dispersal is called

  1. dispersal by animals

  2. dispersal by wind

  3. dispersal by water

  4. explosive mechanism


Correct Option: A

____ stored by animals as reserve, are forgotten and germinate under favourable conditions.

  1. Fruits

  2. Seeds

  3. Embryos

  4. Nuts


Correct Option: D

_____ is the middle layer of a true fruit.

  1. Epicarp

  2. Mesocarp

  3. Endocarp

  4. Pericarp


Correct Option: B

____ seeds have sticky glands which adhere to the feet of birds.

  1. Xanthium

  2. Martynia

  3. Mistletoe

  4. Guava


Correct Option: C
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