問題一覧
1
Functions of cytokinin hormone
helps in rapid cell division.. cytokinins helps to increase mitosis activity
2
What is transpiration
process of escape of water from leaf to the atmosphere in the form of water vapour through stomata
3
Plant hormone that exsist in gaseous state
ethylene
4
Water വഴിയുള്ള പോളിനേഷൻ അറിയപ്പെടുന്നത്
hydrophily
5
Stomata found in
under the leaf
6
What is phanerogammae
plants which has flowers and seeds are called phanerogammae
7
3 type of roots
tap root fibrous root adventitous root
8
Parthenocarpy വഴിയുണ്ടാവുന്ന fruit ന്റെ പ്രത്യേകത
seed less
9
Study of different parts of plant is called
morphology
10
Hormone that produced in injured plant
traumatin
11
Rhodophyceae group members are commonly called
red algea
12
Where is pollen grains are seen
anther
13
The process of Fruit developed from ovary without fertilization is called
asexual reproduction
14
Phanerogammae are classified into two what are they
gymnosperms angiosperms
15
Tissue that seen in dead cells
sclerenchyma
16
Male sex orgen in flower
androecium
17
What is thallophyta
largest group in plant kindom
18
3 stages of reproduction process in plants
pollination, fertilization, seed dispersal
19
Plant hormone that help for ripening of fruit
ethylene
20
First discovered plant hormone
auxin
21
Plant bend towards light due do ( hormone name )
auxin
22
angiosperms are classified into two
monocotyledons dicotyledon
23
What is lateral meristem?
it is found in the sides of the plant. to increase width of the plant
24
Sclerenchyma walls are thickened due to
lignin
25
What is bryophyta plants
its is the first group of land plants no xylem, phloem, true roots, stem and leaves its is the amphibian catagory of plant kingdom example :- mosses
26
Cactus spines are developed from
leaves
27
Birds വഴിയുള്ള പോളിനേഷൻ അറിയപ്പെടുന്നത്
ornithophily
28
What is the purpose of intercalary meristem?
it help to the stem enlongation in plants
29
Ants വഴിയുള്ള പോളിനേഷൻ അറിയപ്പെടുന്നത്
myrmecophily
30
Plant tissue are classified into two
meristematic, permanent
31
What is carpel
combination of stigma style ovary is called
32
Meristematic plant tissue classified into 3 whats are they
apical, intercalary, lateral,
33
root, stem, and leaves of some plants grow new plants through process
vegetative propagation / vegetative reproduction
34
Snail വഴിയുള്ള പോലീനേഷൻ അറിയപ്പെടുന്നത്
malacophily
35
Example for pteridophyta
ferns, azolla, marsilea
36
Chemically auxin
IAA ( indole 3 acetic acid ) IBA ( indole butyric acid )
37
Another name of gynoecium
carpel
38
Simple plant tissue are classified into 3 what are they
parenchyma, collenchyma, sclerenchyma
39
What are 2 type of pollination
self pollination cross pollination
40
Dicotyledon plant roots are
tap roots
41
What is cryptogamme
plants which they do not have flowers or seeds
42
Plant growth inhibitors hormones
ethylene abscissic acid
43
Plantae classified into two what are they
cryptogammae and phanerogamme
44
Complex plant tissue are classified into two
xylem and pholem
45
Reproduction of ferns through
spores
46
What is androecium
anther + filament is called
47
Female sex organ in flower
gynoecium
48
2 points about plant stem
stems are developed from plumule they are phototropic
49
Amphibian catagory of of plant kindom is
bryophyta
50
What is angiosperms
coated seeds
51
Thallophyta യിൽ നിന്നും bryophyta യിൽ നിന്നും pteridophyta എങ്ങനെ വത്യാസ പെട്ടിരിക്കുന്നു
it has separate leaves stem and root
52
What is pollination
transfer of pollen grains from stigma to overy is called pollination
53
3 points about algea
they are autotropic contain chlorophyll study of algae are called phycology
54
Whats in gymnosperms
naked seeds
55
Nutritive tissue for the gowing embryo in plants
endosperm
56
What is the purpose of phloem
conduct food prepared by leaves to different parts of the plant
57
4 plant stem modifications
tuber - potato bulb - onion, garlic corm colocasia rhizome - turmeric ginger
58
Tissue that offer flexibility with the structural framework and mechanical support in plants
collenchyma
59
Other vertebrates വഴിയുള്ള പൊള്ളിനേഷൻ അറിയപ്പെടുന്നത്
zoophily
60
Cryptogammae are classified into 3 what are they
thallophyta, brayophyta, pteridophyta
61
Parallel venation present in which type
monocotyledons
62
Plant tissue that seen in covering of seeds and nuts
sclerenchyma
63
Chemical used for artifical ripening of fruit
calcium carbide
64
Stems are developed from
plumule
65
What is the purpose of apical meristem
it is found in tip of the plant. the purpose is used to increae length of the plant
66
Metal used for control algea are called
copper
67
Gas used for artificial ripening
enthylene
68
The process of get rid of excess water in the plants
transpiration
69
What is parenchyma
this tissue is used to build soft part in plant. help in photosynthesis and food storage
70
Example for thallophyta
algea and lichen
71
What is inflorescence
ath arrangement of flowers in a floral axis
72
Example for vegetative propagation of plants through leaves
bryophyllum
73
Roots are developed from
radicle
74
Plants get water through roots is called
capillarity
75
Development of fruit without fertilization is called
parthenocarpy
76
Monocotyledons plant roots are
fibres root
77
Insects വഴിയുള്ള പോളിനേഷൻ അറിയപ്പെടുന്നത്
entomophily
78
Gaseous exchange in plants takes place through
stomata
79
After fertizilation overy convert to form
fruit
80
Collenchya tissues are thickened at the corners with
cellulose and pectin
81
Plant growth hormones
auxins cytokinins gibberellins
82
Hormone that helps in flowering of plants
florigens
83
Another name of androecium
stamen
84
Venation present in dicotyledon plans
reticulate venation
85
Advantitious roots are seen on mangrove
pneumatophores
86
Auxin hormone is discovered by
charles darwin
87
Study of fungi is called
mycology
88
Wind വഴിയുള്ള പോളിനേഷൻ അറിയപ്പെടുന്നത്
anemophiy
89
Two type of venation on plant leaves
parallel venation reticulate venation
90
Reproductive part of plant or tree is
flower
91
After fertilization ovule convert to form
seed
92
Auxin hormone cconcentration on plants
concentration high at top and low at bottom
93
The arragement of flowers in the floral axis is called
inflorescence
94
Abscisic acid ന്റെ purpose എന്താണ്
seed dormancy
95
Parthenocarpy വഴിയുണ്ടാവുന്ന fruit അറിയപ്പെടുന്നത്
virgin fruit
96
Bats വഴിയുള്ള പോളിനേഷൻ അറിയപ്പെടുന്നത്
chiropterophily
97
Hormone that help break seed dormancy
gibberlin