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Morphology of Angiosperms

Description: Angiosperm morphology new 5
Number of Questions: 15
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Tags: Shruti Angiosperms
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Censor mechanism in seed dispersal is found in

  1. liliaceae

  2. papaveraceae

  3. leguminosae

  4. rosaceae

  5. apiaceae


Correct Option: B
Explanation:

Censor mechanism in seed dispersal is found in papaveraceae.

The prop roots are

  1. fasciculated roots

  2. adventitious roots

  3. tap roots

  4. branched roots

  5. buttress roots


Correct Option: B
Explanation:

The prop roots are the adventitious roots.

If pollen grains of an anther fail to pollinate stigma of the same flower because of a barrier, it is referred to as

  1. dichogamy

  2. herkogamy

  3. heterostyly

  4. cleistogamy

  5. homostyly


Correct Option: B
Explanation:

If pollen grains of an anther fail to pollinate stigma of the same flower because of a barrier, it is referred as herkogamy.

Cyathium is a type of

  1. fruit

  2. inflorescence

  3. seed

  4. tissue

  5. cell


Correct Option: B
Explanation:

Cyathium is a type of inflorescence.

Seeds are winged in _____________.

  1. cheiranthera

  2. hiptage

  3. calotropis

  4. moringa

  5. trigonopleura


Correct Option: D
Explanation:

Seeds are winged in moringa. Moringa, native to parts of Africa and Asia, is the sole genus in the flowering plant family moringaceae.

The fruit of mangifera indica is a

  1. pome

  2. pepo

  3. capsule

  4. drupe

  5. none of these


Correct Option: D
Explanation:

The fruit of mangifera indica is a drupe.

Which of the following would exhibit seed dispersal by parachute mechanism?

  1. Cotton

  2. Mustard

  3. Pea

  4. Tomato

  5. Mango


Correct Option: A
Explanation:

Cotton would exhibit seed dispersal by parachute mechanism.

The fruit of custard apple is an etaerio of

  1. berries

  2. achenes

  3. follicles

  4. drupes

  5. bunches


Correct Option: A
Explanation:

The fruit of custard apple is an etaerio of berries.

The fruit of ricinus (castor) is a

  1. regma

  2. capsule

  3. cremocarp

  4. carcerulus

  5. none of the above


Correct Option: A
Explanation:

The fruit of ricinus (castor) is a regma.

The pericarp becomes modified into wings in

  1. samara

  2. lomentum

  3. achene

  4. cypsela

  5. drupes


Correct Option: A
Explanation:

The pericarp becomes modified into wings in samara. It is a winged nut or achene containing one seed as in ash and maple.

The juicy vesicles from endocarp form the edible part in

  1. strawberry

  2. mango

  3. pineapple

  4. orange

  5. plum


Correct Option: D
Explanation:

The juicy vesicles from endocarp form the edible part in orange.

In onions, the underground swollen edible portion is

  1. underground stem

  2. fleshy leaves

  3. root

  4. rhizome

  5. phylloclade


Correct Option: B
Explanation:

In onions, the underground swollen edible portions are fleshy leaves.

Food in sweet potato is stored in

  1. stem

  2. root

  3. leaves

  4. petiole

  5. bud


Correct Option: B
Explanation:

Food in sweet potato is stored in root.

The fruit of an almond is

  1. berry

  2. siliqua

  3. drupe

  4. samara

  5. none of these


Correct Option: C
Explanation:

The fruit of an almond is drupe.

In opuntia, photosynthesis is performed by

  1. petiole

  2. phylloclade

  3. leaves

  4. photosynthetic roots

  5. phyllode


Correct Option: B
Explanation:

In opuntia, photosynthesis is performed by phylloclade.

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