Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology NEET 2023 > XI: Chapter 3- Plant Kingdom > Flashcards

XI: Chapter 3- Plant Kingdom Flashcards

(104 cards)

Start Studying
1
Q

Chromatophores are found in which algae?

A

Red algae and brown algae

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

Who were the main propounders of natural system of classification?

A

Bentham and Hooker

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

Who were the main propounders of phylogenetic system of classification?

A

Englr and Prantle, Hutchinson and Takhtajan

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

What are cormophytes?

A

Plants in which body is differentiatred into roots, stems and leaves.

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

What are phanerogams?

A

Seeded plants

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

Who coined the term thallophytes?

A

Endlicher

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

Thallophytes show what kind of growth?

A

Diffused growth

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

How are the sex organs of algae different from other plants?

A

Unicellular sex organs, sterile jacket is absent

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

Volvox shows which type of life cycle?

A

Haplontic life cycle

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

Diplontic life cycle is shown in which alga?

A

Fucus

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

Haplo-diplontic life cycle is found in which algae?

A

Ectocarpus and kelp

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

What is the shape of chloroplast of chlamydomonas?

A

Cup shaped

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

Which alga has reticulate chloroplast?

A

Oodogonium

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

Which alga has girdle shaped chloroplast?

A

Ulothrix

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

Which alga has stellate chloroplast?

A

Zygonema

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

What is present in the centre of pyrenoid?

A

Protein

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

Stigma is present in which stage of algae?

A

Reproductive stage

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

Which type of flagella is completely smooth?

A

Acronematic/whiplash

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

What are the projection on pentonematic/tinsel flagella called?

A

Flimmers/mastigonemes

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

Sporophyte is not formed in which group of plants?

A

Algae

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

Red rust of tea is caused by?

A

Cephaluoras viriscence

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

Why does red sea appear red?

A

Due to the presence of Trichodesmium erithrium

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

What is the mode of nutrition of gracillaria?

A

Parasitic

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

Which algae are minimum in nubmer of species?

A

Brown algae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Name a terrestrial red algae.
Porphynidium
26
In which habitat are most green algae found?
Freshwater
27
In which habitat are most brown and red algae found?
Marine
28
What are the photosynthetic pigments found in green algae?
Chlorophyll a, chlorophyll b, beta carotene, violaxanthin
29
What photosynthetic pigments are found in brown algae?
chlorophyll-a and chlorophyll-c, β carotene, fucoxanthin
30
Which photosynthetic pigments are found in red algae?
CHlorophyll a, chlorophyll d, phycobillins (phycoerithrin, phycocyanin, allophycocyanin)
31
Which carbohydrate does floridean starch resemble?
Glycogen
32
Gelatin is present in the cell wall of which algae?
Brown algae (outer layer)
33
What is the flagellation in brown algae?
Heterokonte flagellation
34
What is the flagellation in green algae?
Isokonte flagellation
35
What type of syngamy is present in red algae?
Oogamy
36
Gametes are biflagellate in which algae?
Brown algae
37
Iodine is obtained from which algae?
Laminaria and fucus (brown algae)
38
Bromine is obtained from which algae?
Polysiphonia (red algae)
39
Name an aquatic bryophyte.
Riccia
40
Which is the largest bryophyte?
Dawsonia
41
Which is the smallest bryophyte?
Zoopsis
42
Are gemmae multicellular or unicellular?
Multicellular
43
Peristomium teeth are present in
Mosses
44
Elators are present in
Bryophytes
45
Cap cells in bryophytes are present in
Antheridium
46
Cover cells in bryophytes are present in
Archegonium
47
How many neck canal calls are found in archegonium of bryophyte?
6 to 10
48
How many flagella do the antherozoids of bryophytes have?
2
49
What is the shape of the antheridium of bryophyte?
Club-shaped
50
What is the shape of the archegonium of the bryophytes?
Flask-shaped
51
In which part of the archegonium of bryophyte is the egg cell present?
Venter canal cell
52
Which is the first cell of the sporophytic generation of the bryophytes?
Zygote
53
What is the process in which bryophytes form dense mates over the soil surface and conserve the moisture of the soil called?
Mulching
54
Which moss is used to make antibiotic?
Sphagnum
55
In pteridophytes the plant body is differentiated into true roots, leaves and stems. True or false?
True
56
Which organisms are know as the reptiles of plant kingdom?
Pteridophyta
57
Which plants are regarded as the first true plants?
Pteridophytes
58
Selaginella belongs to the class
Lycopsida
59
Adiantum and Marsiela belong to the class
Pteropsida
60
Azolla belongs to the class
Pteropsida
61
Azolla and salvinia are found in which habitat?
Aquatic
62
Selaginella and equisetum and found in which habitat?
Xerophytic
63
Ferns have which type of leaves?
Macrophylls
64
Selaginella has which type of leaves?
Microphylls
65
Do macrophylls have veins?
yes
66
Do microphylls have veins?
No
67
What are ramenta?
Thin hair found on the surface of fronds of pteridophya
68
What are the vegetative leaves of pteridophytes called?
Cataphylls
69
Sporangium is borne on the tips of
Sporophylls
70
Highly condensed cones of pteridophytes are actually
Sporophylls
71
Which pteridophyte is a tree?
Cyathea
72
What is the gametophyte of pteridophyte called?
Prothallus
73
What are the two requirements of seed habit?
Heterospory and retainment of female gametophyte on the sporophyte
74
What type of sporophyte is found in azolla?
Heterosporous
75
Which represents the first cellof gametophytic generation?
Spore
76
Quill worts is the other name for
Isoetes
77
Which pteridophyte is known as little club moss?
Selaginella
78
Which is the tallest pteridophyte?
Alsophile
79
Who coined the term Ptheridophyta?
Ernst Haeckel
80
Who coined the term gymnosperm?
Theophrastus
81
Which fungi is found in the mycorrhiza of Pinus?
Boletus
82
Stem is unbranched in which gymnosperm?
Cycas
83
Is cycas monoecious or dioecious?
Dioecious
84
What type of leaves (simple, pinnate, palmate) are found in cycas?
Pinnate
85
Small, scaly and brown leaves are present in which gymnosperm?
Ephedra
86
Which plant has the largest fan shaped leaves?
Gingko biloba
87
Which plant has the largest ovule, male gamete and egg?
Cycas thouarsii
88
What is the ploidy of endosperm of gymnosperms?
Haploid
89
How many tegments does the ovule of gymnosperm has?
1
90
Which plant is used to make sago?
Cycas revoluta
91
Tallest angiosperm is
Eucalyptus
92
Tallest flower is
Amorphophyllous
93
Which algae has flagellated gametes that are similar in size?
Ulothrix
94
Which alga has non flagellated gametes that are similar in size?
Spirogyra
95
Anisogamous reproduction is found in which alga?
Udorina
96
What is the outer layer of cell wall in green algae made of?
Pectin
97
What is the leaf like organ found in brown algae called?
Frond
98
How are the leaf-like appendages arranged in bryophytes?
Leaf like appendages are arranged in two rows in stem like surface.
99
What does the leafy stage of mosses develop from?
It develops from the secondary protonema as a lateral bud.
100
What is the difference between the rhizoids of mosses and liverworts?
The rhizoids of liverworts are unicellular, but the rhizoids of mosses are multicellular only.
101
Which stage of mosses contains sex organs?
Leafy stage
102
In dicots, floral whorl members are arranged in groups of
Four or five (tertamerous or pentamerous)
103
In monocots, the floral whorl members are arranged in groups of
Three (trimerous)
104
Which organisms are included in 'amniotes'?
Reptiles, aves and mammals

Biology NEET 2023 (39 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions