Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BIOLOGY > Chapter 1 > Flashcards

Chapter 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

Exine is made up of

A

Sporopollenin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Intine made up of

A

Pectin and cellulose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Pectin is (hard/elastic)

A

Elastic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Examples of plants causing pollen allergy

A

Parthenium ,
Amaranthus ,
Chenopodium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Pollen products are rich in

A

Nutrient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is pollen viability of Rice

A

30 mins.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cryopreservation

A

Storage of pollen grains for future plant breeding programmes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the tempting of N2 for storing pollen grain

A

-196°C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Vegetative cell function

A

It has abundant food supply

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Difference between monocarpellary and multicarpellary flower

A

Carpel (pistil)(Gynocieum)
Many carpel :multi
Single carpel:mono

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

If in multicatpellary flower the carpel is fused , what is it called and give and example

A

Syncarpus eg.Papaver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

If in multicatpellary flower the carpel is free , what is it called and give and example

A

Apocarpus eg: Michellia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Example of ovary with single ovule

A

Mango , Wheat , Rice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Example of ovary with many ovules

A

Watermelon , Papaya ,Orchids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Funicles

A

Stalk like structure which remains attached to placenta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Integument

A

The outer protective envelope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Micropyle

A

The point where integument is absent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Crassinucellate ovule ex

A

Polypetale, well developed nucellus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Tenuinucellate

A

Less developed ; gamopetale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Embryo sac is

A

Female gametophyte located in nucellus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Orthotropus eg.

A

Piper , Polygonum, Cycas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Anatropus eg

A

82% of angios families

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Hemianatropus eg.

A

Ranucullus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Camylotropus

A

Leguminosae, Cruciferae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Amphitropus

A

Leena, Poppy , Alisma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Circinotropus

A

Opuntia , plumbaginacea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Who classified embryo sac on basis of number of megaspore nuclei participating

A

P.Maheshwari

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Monosporic e.s

A

Oenothera , polygonum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Bisporic eg.

A

Allium, Endymion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Tetrasporic

A

Adoxa , Plumbago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Which megaspore is functional in monosporic contd

A

4th from micropyle end

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

The megaspore mother cell undergoes………..and forms a linear tetrad of megaspores.

A

Meiosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

…………..embryo sac is most common in angiospermic plants

A

Monosporic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Mature female gametophyte in angiosperms………..celled and ……….nucleated

A

7 celled and 8 nucleated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

……….are the vegetative cells of embryosac

A

Antipodal cells.

36
Q

Synergids have nucleus at

A

Micropylar end

37
Q

Chalazal vacuole is present in

A

Synergids

38
Q

Filliform apparatus is present in which part of embryosac

A

Synergids

39
Q

Autogamy Is ensured by

A

Bisexuality, cleistogamy, bud pollination, homogamy

40
Q

Bud pollination is seen in

A

Pea and rice

41
Q

Examples if flower which are both cleistogamous and chasmogamous

A

Viola , oxalis , commelina

42
Q

Example of wind pollinated flower

A

Maize , wheat , sugarcane, bamboo

43
Q

Water pollination is seen mostly in

A

Monocots

44
Q

Fresh water plants

A

Vallisneria and hydrilla

45
Q

Marine Water plant

A

Zostera

46
Q

Epihydrophilly

A

Vallisneria

47
Q

Hydrophily

A

Zostera *sea grass

48
Q

Water hyacinth and water lily are pollinated by

A

By insects

49
Q

Pollen and nectar robers

A

Queens of bombus affinis perforate Aquilegia spurs and steal nectar

50
Q

Unisexuality monoecious example

A

Castor maize

51
Q

Unisexuality dioecious

A

Valliseneria , Papaya

52
Q

Entry of pollen tube through chalaza

A

Casuarina

53
Q

Entry of pollen tube through integuments

A

Cucurbita

54
Q

What is solution of in vito fertilisation contain

A

Boric acid ,Mg, Ca, K salts

55
Q

Endosperm absent in

A

Orchidaceae , podostemaceae, Trapaceae

56
Q

Endosperm is diploid in

A

Oenothera

57
Q

Stony endosperm

A

Betel nut and date palm

58
Q

Date palm is……
Ivory palm is……
Castor coconut …….
Maize…….
Rice wheat………

A

Date palm is hemicellulosic
Ivory palm is Cellulosic
Castor coconut oily
Maize protienacious*aleurone
Rice wheat starchy

59
Q

Free nuclear endosperm development

A

Cotton and Maize:many nuclei are made then cell wall

60
Q

Cellular mode

A

Petunia consequent nucleus and cell wall formation

61
Q

Non endospermic

A

Pea beans groundnuts

62
Q

Endosperm persist

A

Castor Maize rice wheat coconut and barley

63
Q

Example of parthenocarpic fruit

A

Banana :seedless fruit

64
Q

False fruit example

A

Apple, strawberry , cashew nut

65
Q

Seed that loose viability within several months

A

Oxalis

66
Q

Seed viability of 10000 years

A

Lupine

67
Q

Seed viability of 2000 years

A

Date palm

68
Q

Adventitive embryony example and other name

A

Mango opuntia and citrus ;sporophytic embryony

69
Q

Recurrent agamospermy

A

Apple pear

70
Q

Who discovered poly embryony

A

Leeuwenhoek in citrus

71
Q

Non endospermic seeds are also called

A

Exalbuminous

72
Q

Example of exalbuminous seed

A

Pea bean groundnut

73
Q

Example of albuminous seed

A

Castor coconut barley wheat Maize rice

74
Q

Perispermic seed are

A

The one in which nucellus persists

75
Q

Choose the correct option w.r.t. the function of the germ pore.

(1)It allows growth of pollen tube
(2) It allows water absorption in seed (3) It helps dehiscence of pollen grain
(4) More than one option is correct

A

Option 1

76
Q

Which of the following plant provides safe place to insect for laying eggs?

A

Amorphophallus

77
Q

Which of the following is not a characteristic feature of insect pollinated flowers?

(1) Fragrance
(2)Nectaries
(3)foul odour
(4)mucilagenous cover

A

Option 4

78
Q

production of seed without fertilization is called

A

Apomixis

79
Q

The central cell after triple fusion becomes the

A

PEC *primary endospermic cell

80
Q

Double endosperm is found in

A

Coconut

81
Q

Parthinocarpic fruits are

A

Seedless fruits

82
Q

Choose the odd one wrt to reward for insects in entomophily
1)Nectar
3)Safe place for laying eggs
4)Fragrance

A

Option 4

83
Q

If artificial hybridization is performed in Maize,then which of the following steps will not be required

A

Emasculation

84
Q

The event unique to angio

A

Fusion of male gamete with Secondary nucleus

85
Q

If there is only one primary microsporemother cell in a pollen sac then the Total number of male gametes produced by it is

A

8

BIOLOGY (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions