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Botany 11th > Morphology Of Flowering Plants > Flashcards

Morphology Of Flowering Plants Flashcards

1
Q

Give example of tap root system

A

Mustard

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2
Q

Fibrous root system (root emerges from base of stem)

A

Wheat

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3
Q

Adventitious root system (roots emerge from parts of the plant other than radicle)

A

Banyan, Grass, Monstera

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4
Q

Main functions of roots

A
  1. Absorption of water and minerals
  2. Anchorage
  3. Synthesis of plant growth regulators
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5
Q

Stilt roots are found in (root modification for support)

A

Maize, sugarcane

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6
Q

Prop roots example (root modification for support)

A

Banyan tree

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7
Q

Root modification for respiration

A

Pneumatophores

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8
Q

Which plant has pneumatophores

A

Rhizophora

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9
Q

Root modification for storage of food (Tap roots)

A

Carrot and turnip

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10
Q

Root modification for storage in food (Adventitious roots)

A

Sweet potato

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11
Q

Main functions of stem

A
  1. Helps spreading the branches carrying leaves, seeds and fruits
  2. Conduction of water minerals and photosynthates
  3. Anchorage
  4. Support
  5. Protection
  6. Vegetative propagation
  7. Food storage
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12
Q

Modification of stem for storage of food (5)

A

Potato, turmeric, ginger, zaminkand and colocasia

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13
Q

Plants that act as organs of perennation to tide over unfavourable conditions (5)

A

Potato, ginger, turmeric, zaminkand, colocasia

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14
Q

Stem modification for climbing: Stem tendrils

A

Gourd family, grapevine
⬆️
(Cucumber, pumpkin, watermelon)

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15
Q

Modification for stem for prottection: Thorns

A

Citrus and bougainvillea

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16
Q

Plants in arid region modify their stems into flattened structures called -

A

Opuntia

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17
Q

Plants in arid region modify their stems into fleshy cylindrical structures called-

A

Euphorbia

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18
Q

Stem vegetative propagation type: Runners

A

Grass, strawberry

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19
Q

Stem vegetative propagation type: Stolon

A

Mint, jasmine

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20
Q

Stem vegetative propagation type: Offset

A

Pistia, eichhornia

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21
Q

Stem vegetative propagation type: Suckers

A

Pineapple, chrysanthemum, banana

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22
Q

In what plants the leaf base expands into a sheath that cover the stem partially or wholly

A

Monocots

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23
Q

Leaf base of these type of plants swell and are called?

A

Leguminous plants, pulvinus

24
Q

Types of venation found in monocots and dicots

A

Parallel and reticulate venation

25
Q

Types of leaves

A

Simple and compound

26
Q

Types of compound leaves

A

Pinnately and palmately compound leaves

27
Q

Pinnately compound leaves?

28
Q

Palmately compound leaves ?

A

Silk cotton

29
Q

In pinnately compound leaves, leaflets are present on common axis called?

30
Q

Define phyllotaxy

A

Arrangement of leaves on branch or stem

31
Q

Types of phyllotaxy

A

Opposite, alternate and whorled

32
Q

Opposite phyllotaxy example

A

Guava, calotropis

33
Q

Alternate phyllotaxy example

A

Mustard, China rose, sunflower

34
Q

Whorled phyllotaxy example

35
Q

Modification of leaves: tendrils

A

Pea (pisum sativum)

36
Q

Modification of leaves: spines

37
Q

Modification of leaves: food storage

A

Fleshy leaves of onion and garlic

38
Q

Modification of leaves: insectivorous plants

A

Venus fly trap, pitcher plant

39
Q

Leaves are short lived in?

A

Australian acacia

Petiole expands, becomes green and synthesises food

40
Q

Define inflorescence

A

Arrangement of flowers on floral axis

41
Q

Types of inflorescence

A

Cymose, racemose

42
Q

In which type of inflorescence the main axis continues to grow and the flowers are borne laterally in acropetal succession

43
Q

In which type of inflorescence does the main axis have limited axis and main axis terminates in a flower and flowers are in basipetal succession

44
Q

Actinomorphic flower examle

A

Mustard, datura, chilli

45
Q

Zygomorphic flower example

A

Pea, bean, cassia, gulmohar

46
Q

Asymmetric flower example

47
Q

Hypogynous flower

A

Brinjal, mustard, China rose

48
Q

Perigynous flower

A

Plum, peach, roses

49
Q

Epigynous flower example

A

Guava, cucumber and ray florets of sunflower

50
Q

Sepals united are called

A

Gamosepalous

51
Q

Sepals free are called?

A

Polysepalous

52
Q

Petals united are called?

A

Gamopetalous

53
Q

Petals free are called?

A

Polypetalous

54
Q

Valvate aestivation example

A

Calotropis

55
Q

Imbricate aestivation example

A

Cassia, gulmohar

56
Q

Vexilliary/ Papilonaceous aestivation example?

57
Q

Twisted aestivation example?

A

China rose, lady finger, cotton

Botany 11th (1 decks)

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