Reproduction In Plants Botany Part Flashcards
1
Q
Life span define
A
Period from birth to natural death
2
Q
Which organisms are immortal
A
Unicellular organisms
3
Q
Crow life span
A
15 yrs
4
Q
Parrot life span
A
140 years
5
Q
Tortoise life span
A
100-150 years
6
Q
Croc life span
A
60 years
7
Q
Peep all tree life span
A
2500 years
8
Q
Mango tree life span
A
200 years
9
Q
Banyan tree life span
A
200years
10
Q
Life span is a characteristic of ____
A
Species
11
Q
Stages of life
A
Juvenile
Maturity or reproductive
Senescence or aging
Death
12
Q
Rice life span
A
3-4 months
13
Q
Pea life span
A
3-4 months
14
Q
Wheat life span
A
6 months
15
Q
May fly life span
A
1 day
16
Q
Fruit fly life span
A
1 month
17
Q
Butterfly life span
A
1-2 weeks
18
Q
Cow life span
A
20-25 years
19
Q
Tortoise life span
A
100-150
20
Q
Cat life span
A
15 years
21
Q
Bamboo life span
A
50-120 years
22
Q
Dog life span
A
20-30 years
23
Q
Horse life span
A
60 years
24
Q
Crocodile life span
A
60 years
25
Elephant life span
60-90 years
26
Banana tree life span
25 years
27
Rose life span
5-7 years
28
Reproduction is a biological process of _______
Self perpetuation
29
Just read this
Reproduction is not important for survival of organisms but important for survival of population
30
5 important events of reproduction
RNA and protein synthesis
DNA replication
Cell division (key event of reproduction)
Formation of reproductive bodies or units
Development of organisms from reproductive bodies
31
Organisms with simple organisation like ___&____ mostly show asexual reproduction but before onset of adverse conditions they shift to sexual mode of reproduction
Algae
Fungi
32
Most of the _____ show both sexual and asexual mode of reproduction
Higher plants
33
Most of higher animals show ____ mode of reproduction
Sexual
34
There is no ____ in asexual reproduction, only ____\___ takes place
Meiosis
Mitosis
Amitosis (no spindle formation)
35
Sporulation is aka
Sporogenesis
36
Sporogenesis can be ____ or ____
Endospore or endoscopic
Exospore or expscopic
37
___ are produced inside the sporangium
Endospores
38
2 example of endospore
Zoospore
| Aplanospore
39
Eg of exospore
Conidia
40
Conidia are produced on ____ shapes conidiophores
Club shaped
41
Conidia are arranged on conidiophore in ____ succession
Basipetal succession
| Youngest at bottom ;oldest on top
42
Eg of organism which shows unbranched exospore
Albugo
43
Branches of conidiophore are called
Rami
44
Branches of rami are called
Metulee
45
Branches of metulee are called
Sterigmata
46
Eg of 2 organisms which have branched exospore
Aspergillus
Penicellium
47
Budding is seen in (2)
Yeast
Hydra
48
Exogenous budding is seen in
Yeast
49
Endogenous budding is seen in
Gemmule formation in sponges
50
Irregular or simple fission is seen in
Amoeba
51
Transverse fission is seen in
Paramecium
Diatoms
Bacteria
52
Longitudinal fission is seen in
Euglena
53
Oblique fission is seen in
Dinoflagellates
54
True regeneration is seen in
Planaria
55
Just read this 🧠🥴🤗
Plants belonging to vegetative reproduction category are propagated by a part of the body other than seed
56
The structural unit that is employed in place of seed for propagation of new plants is called
Propagule
57
Natural vegetative propagation by leaves is seen in which organisms (9)
```
Bryophyllum
Begonia
Kalanche
Streptocarpus
Saint paulia
Oxalis
Dioscoria
Agave
Cycas
```
58
In ____ whole leaf lamina used to form new plant
Kalanche
59
In ___&____&____&_____ , bulbils (fleshy buds) are used for natural vegetative reproduction
Oxalis
Dioscoria
Agave
Cycas
60
Natural vegetative reproduction takes place by roots in (10)
Ipomea
Dahlia
Murraya
Tapioca
Tinospora
Asparagus
Albizia
Dalbergia
Populus
Guava
61
In ____&____&____, buds are present on root and are converted to leafy shoots known slips
Dalbergia
Populus
Guava
62
In dalbergia, populus, guava, buds are present on root and are converted to leafy shoots known as ___
Slips
63
4 types of underground stems
Rhizome
Corn
Bulb
Tuber
64
Types of sub areal stems
Runner
Stolon
Sucker
Offset
65
2 plants which have areal stem
Sugar cane
Opuntia (cactus)
66
7 examples of rhizomes
```
Adiantum
Aspidium
Ginger
Turmeric
Musa (banana)
Lotus
Typha
```
67
5 examples of corm
Crocus
Colocasia
Alocasia
Amorphophallus
Freesia
68
Bulb 3 examples
Onion
Garlic
Lily
69
Tuber examples (2)
Potato
Helianthus tuberosum
70
Runner 3 examples
Cynodon
Oxalis
Centella
71
Stolon 3 examples
Strawberry
Jasmine
Vallisneria
72
Sucker examples (4)
Banana
Crysanthemum
Mint
Pineapple
73
Offset examples
Pistia
Echornia (water hyacinth)
74
Echornia was bought to India cause of ____ &____
BEAUTIFUL flowers
| SHAPE of LEAF
75
___&____ season favour artificial propogation
Rainy
Spring
76
3 methods of artificial vegetative propagation
Cutting
Layering
Grafting
77
Cuttings are?
Small portion of stem, root, leaves, used to develop new plant
78
Important factors used to control artificial vegetative propagation (5)
Age of plant
Length and diameter of cutting
Nature of plant
Season
Time of cutting
79
Cuttings are treated with ____ (type:____) to promote rooting
Auxin
IAA (indole acetic acid)
80
Stem cuttings is done in (7)
```
Rose
Citrus
Bougainvillea
Croton
China rose
Sugar cane
Tapioca
```
81
Leaf cutting is done in
Sansiviera (snake plant)
82
Root cutting is done in (4)
Lemon
Tamarind
Black berry
Rasberry
83
What happens in layering
Adventitious roots are induced to develop on soft stem while still attracted to the plant
84
From 1 year old plant, ___ branches are used for layering in ______ or ____ season
Basal branches
Early spring or rainy season
85
Just read this 💫✨
In layering, a soft BASAL branch is DEFOLIATED (leaves are removed)in the middle and a small layer of TISSUE is REMOVED in the form of a ring. Insured portion is covered by SOIL to develop ADVENTITIOUS root
After rooting, this branch is SEpERaTED and PLAnTEd
86
3 types of layering
Tip layering
Trench layering
Air layering
87
Tip layering is done in
Blackberry
Rasberry
88
Trench layering is done in
Walnut and mulberry
89
In which type of layering, more than one new plants are developed
Trench layering
90
Air layering is aka
Gootee
91
Air layering is an ancient technique for propagation of plants without ____ like ___&____&_____
Soft branches
Tropical
Subtropical
Shrubs
92
In air layering, a portion of 3-5 cm long _____ is removed from ____ portion of a healthy and woody branch in _____ season
Ring of bark
Basal portion
Early rainy season
93
Components of grafting clay
```
2 parts clay
1 part cow dung
Some pieces of hay
Auxin
Cotton
Water
```
94
Why is auxin added in air layering
For root initiation
95
Air layering is seen in
Pomegranate and litchi
96
___ is the most common method of vegetative propagation
Grafting
97
In which technique, there is connection of two parts (__&___) of 2 different plants in such a way that they unite and develop into a composite plant
Technique: grafting
Root and shoot system
98
Grafting is done only in ____
Cambium containing eustelic plants (dicots)
99
In grafting, the scion (____) is fixed over stock (____) in a manner that the ___ of both come in contact
Scion : shoot
Stalk :root
Cambium
100
8 examples of plants which show grafting
```
Mango
Apple
Pear
Plum
Peach
Pine
Citrus
Guava
```
(MAP^4 CG)
101
Bud grafting is used in___
Rose
102
Asexual reproduction is aka
Apomixis
103
Most vital event in sexual reproduction
Fertilization
104
Isogamete condition is seen in __&___
Algae
| Fungi
105
Heterogmetes is seen in
Bryophyte
Pteridophyte
Gymnosperms
Angiosperms
106
In chara, male and female reproductive system is in same or different node
Same
107
In chara, male reproductive part is called
Globule
108
In chara, female reproductive part is called
Nucule
109
Class of chara
Chlorophyceae
110
In gymnosperm and angiosperms, gamete transfer takes place by ____ after ____
Pollen tube
Pollination
111
External fertilization is seen in
Algae
Amphibians
Fish
112
Auxin like ___,__,___ are used for stem cutting because they lead to ___
IAA
IBA
NAA
Quick formation of adventitious roots
113
Internal fertilization is seen in
Bryophyte
Pteridophyte
Gymnosperm
Angiosperm
114
In ___ plants, flowering happens once a year
Monocarpic
115
Eg of monocarpic plant
```
Wheat
Rice
Maize
Mustard
Sugar cane
```
116
In ___ plants, flowering happens multiple times in a year
Polycarpic plants
117
Eg of polycarpic plant
Mango
118
___ and ___ plants are monocarpic
Annual
| Bineal
119
Some perrenial plants like ___&____ are monocarpic
Bamboo
Strobilanthus kunthiana
120
Strobilanthus kunthiana is aka
Neelakurongi
121
In bamboo, flowering takes place in 50-100 years
:)
122
In strobilanthus kunthiana, flowering takes place after ___ years
12
123
Last time there was flowering in strobilanthus kunthiana was Inthe year and where
2018 (sept oct)
| KKT kernels Karnataka Tamil Nadu
124
Just read this babyyyyy 🔎🗞📈
In polycarpic plants, flowering takes place after attaining maturity and many times in life span
125
Time between 2 successive flowering is known as (2)
Inter flowering phase
Recovery phase
126
No of chromosome in meiocyte =
2* no of chromosomes in gamete
127
No of chromosomes in maize
20
128
No of chromosomes in rice
24
129
No of chromosomes in apple
34
130
Onion no of chromosomes (vv imp)
16
131
Potato no of chromosomes
48
132
No of chromosomes in potato
48
133
No of chromosomes in ophioglossum
1260
134
Mustard chromosomes
20
135
Pisum chromosomes
14
136
Sugar cane chromosomes
80
137
Radish chromosomes
18
138
___ is hexaploid
Wheat
139
No of chromosomes in wheat
42
| 6x= 42
