CUSAT CAT 2019 Question Paper Botony

BOTANY

019
2
1. T
The difference which distinguishes prokaryotic cell from eukaryotic cell is
S
E
(A) endoplasmic reticulum T
(B) mesosome N
O
(C) nuclear membrane
SI
IS
(D) plasma membrane
M
2. D
M
A following is an example of DNA containing plant virus?
Which of the

(A) O
N
Tobacco mosaic virus
(B)M Potato mosaic virus

A T
O
M
O E
(C) Cauliflower mosaic virus
C (D) Tomato mosaic virus
C T
S 3. The diploid generation of the plant life cycle
CU (A)

AT N
always produces spores
19
S IO
(B) is called the gametophyte
(C) 0
is larger and more conspicuous than the haploid stage
2
U
(D) always develops from a spore

4.

C IS
(A)
S
Nature of habitat N
T E ST
Which one is the best to classify algae?

O
M I
(B) Structural organization of thallus
(C) S
Chemical composition of cell wall
IS
D
(D) Types of pigments present in the cell

M
5.
A
(A)
(B)
fungi
algaeO
N
A
D
Agar-agar is derived from

(C) bryophytes M
(D) lichens
M
C O
AT
S
CU

6. 'Pond Silk' is the common name for

(A) Spirogyra sp. 019
(B) Chlamydomonas reinhardtii 2
(C) Anabaena cycadal
S T
E
(D) Nostoc sp.
T
N
O
7. I
Alga rich in protein is
S
(A) Ulothrix sp.I
S
(B) ChlorellaM
A sp.
(C) Oscillatoria
M
D vulgaris

N
(D) Oodogonium sp.
O
M
8.

SA
T
O
M
C (A) brown algaeO
C T
(B) green algae E
Fucoxanthin is found in

CU
T
(C) red algae

N
(D) blue-green algae

9. A
S IO 2 0 19
Red colour of the members of Rhodophyceae is due to

(A)
(B)
(C)
(D)
U S
Phycocyanin

C IS
Xanthophylls
Chlorophyll
Phycoerythrin T E ST
N
O
10.
M S I
Fungi are considered as plant due to the presence of
IS
(A)
D M
sexual reproduction

(B) plasmid
(C) cell wall
A
(D) nucleus
N
O
11. Mycorrhiza exhibits the phenomenon ofM
M
(A)
(B)
parasitism
symbiosis C O
(C)
(D)
antagonism
AT
flower association
S
CU

12. Fungi differ from algae in being

(A) heterotrophic 019
(B) autotrophic 2
(C) parasitic
S T
E
(D) epiphytic
T
N
O
13. I
Coenocytic condition is present in
S
(A) algae IS
M
D
M
(B) fungi
(C) A
bryophytes

(D) N
pteridophytes
O
M
14.

SA
T
O
M
O E
The scales in Riccia are
C (A) multicelled and appendiculate
C T
(B) unicelled and appendiculate

CU
T
(C) unicelled and ligulate

N
(D) multicelled and ligulate

15. A
S IO 2 0 19
The air cavities in the moss capsule are partitioned with delicate strands of cells. These

U S
are called

ST
C IS E
(A) Septa
(B) Trabeculae
T
(C) Cristae
N
(D) Compartments
O
M IS
S I
D
16. The stele of Lycopodium is
M
(A) Polystele
(B)
A
Siphonostele
(C)
N
Haplostele
(D)
O
Actinostele

M
17. Mmost primitive vascular plant?
Which one among the following is the

(A) Psilotum sp. C O
(B) Cycas sp.
A T
(C) Sphagnum sp.
S
(D) Ferns
C U

18. Presence of multiflagellate sperms are the characteristic feature of

(A) Mosses 019
(B) Riccia sp. 2
(C) Pogotiatum sp.
S T
E
(D) Ferns
T
N
O
19. I
Dimorphic leaves are characteristic of
S
(A) Ephedra sp.I
S
(B) Cycas sp.M
(C) Pinus
D
M
Asylvestris

N
(D) Selaginella sp.
O
M
20.

SA
T
O
M
O E
Cycas is said to be a living fossil because
C (A) It is found only in China
C T
(B) It looks like a fern tree

CU
T
(C) It has ciliated sperms

N
(D) It also occurs as a fossil

21. A
S IO 2 0 1
Well-developed winged seeds are found in
9
(A)
(B)
(C)
(D)
U S
Pinus sylvestris

C IS
Cycas sp.
Papaver somniferum
Pisum sp. T E ST
N
O
22.
M S I
Phloem of gymnosperms is devoid of
IS
(A)
D M
Companion cells

(B) Sieve tubes
(C)
A
Phloem parenchyma
(D) Nucleus
N
O
23. M
Which of the following resembles much more to angiosperms?
M
(A)
(B)
Cycas sp.
Pinus sibirica C O
(C)
(D)
Selaginella sp.
Gnetum sp. AT
S
CU

24. Ephedrine is obtained from one among the following group of plants

(A) Angiospermous 019
(B) Gymnospermous 2
(C) Bryophytes
S T
E
(D) Fungi
T
N
O
25. I
Endosperm in gymnosperms is formed
S
S
(A) At the time Iof fertilization
M
D
M
(B) Before fertilization
(C) AfterAfertilization

N before or after fertilization
(D) Either
O
M
26.

SA
T
O
M
C (A) Capitulum
(B) Catkin
O
C T E
The characteristic type of inflorescence of the genus Euphorbia is

CU
T
(C) Cyathium

N
(D) Panicle

27. A
S IO 2 0 19
Ginger is an underground stem. It is distinguished from root because

(A)
(B)
(C)
(D)
U S
It stores food
It lacks chlorophyll
It has xylem vessels T E
T
It has nodes and internodes

C IS
S
N
O
28.
M S I
Aerial prop roots are present in
IS
(A)
D Neem
M
(B) Ceylon ebony
(C) Banyan
A
(D) Tamarind
N
O
29. M
Which type of function is performed by the fleshy leaves of onion and garlic?
M
(A)
(B)
Storage
Reproduction C O
(C)
(D)
Photosynthesis
Protection AT
S
CU

30. A complex structure formed by the fusion of the stamens, styles, and stigmatic surfaces is
called
019
(A) Syngenesious 2
(B) Gynandrophore
S T
E
(C) Gynostegium
(D) Incompatibility T
N
O
S I
31.
IS feature of the members of the following family
Capitulum is characteristic
M
D
(A) Liliaceae
A
(B) Asteraceae
M
N
(C) Orchidaceae
(D) O
M Magnoliaceae

SA
O
M
O E
32. C Diadelphous refers to stamens united by their filaments to form one of the following
T number of groups
C T
CU (A) 4
(B) 6
(C) 8
AT N 19
S IO 0
(D) 2
2
33.
U S ST
When a flower has both androecium and gynoecium, it is known as

(A)
C IS
Asexual
T E
(B) Bisexual
N
O
M
(C) Unisexual
(D) Multisexual
S I
IS
34.
D M
When a flower can be divided into two equal radial halves in any radial plane passing

(A)
(B)
A Zygomorphic
O
Asymmetric
D
through the centre, it is known as

N
A
(C) Bisymmetric
M
(D) Actinomorphic
M
C O
AT
S
CU

35. Fibrous root system is found in

(A) Monocotyledonous plants 019
(B) Dicotyledonous plants 2
(C) Bryophytes
S T
E
(D) Gymnosperms
T
N
O
36. I
Pneumatophores are found in
S
IS which is found in saline soil
(A) The vegetation
M condition
D
M
(B) Xerophytic
A
(C) Hydrophytic condition

N vegetation which is found in marshy and saline lake
(D) The
O
M
37.

SA
T
O
M
O
C (A) Carl Linnaeus
C T E
The Natural system of classification for flowering plants was given by

(B) Sir Joseph Dalton Hooker

CU
T
(C) Adolf Engler and Karl Anton Eugen Prantl

N
(D) James D Watson

38. A
S IO 2 0 19
Cotyledons and testa respectively are the edible parts in which of the following sets?

(A)
(B)
(C)
(D)
U S
Walnut and tamarind

C IS
Cashew nut and litchi

T
French bean and coconutE
Groundnut and pomegranate
ST
N
O
39.
M
Glumes are present in
IS
S I
(A)
D Annonaceae
M
(B) Fabaceae
(C) Poaceae
A
(D)
N
Rubiaceae

O
40. Nucleus is absent in M
M
(A)
(B)
phloem parenchyma
cambium C O
(C)
(D)
sieve tube
epidermal cellsAT
S
CU

41. Late blight of Potato is caused by

(A) Alternaria solani 019
(B) Phytophthora infestans 2
(C) Corynebacterium sepedonicum
S T
E
(D) Puccinia graminis
T
N
O
42. I
Causative fungus of black rust disease of wheat is
S
(A) Ustilago sp.I
S
Msolani
D
M
(B) Alternaria
A biporus
(C) Agaricus

N sp.
(D) Puccinia
O
M
43.

SA
T
O
M
O E
Blast of Rice is caused by
C (A) Pyricularia oryzae
C T
(B) Phytophthora infestans

CU
T
(C) Alternaria citri

N
(D) Puccinia sp.

44. A
S IO
Red rot of sugarcane is caused by
2 0 19
(A)
(B)
(C)
(D)
U S
Phytophthora sp.

C IS
Puccinia sp.
Colletotrichum sp.
Agaricus polyporus T E ST
N
O
45.
M S I
Tikka disease is a common disease in groundnut and is caused by
IS
(A)
D M
Alternaria solani

(B) Phytophthora infestans
(C)
A
Ustilago sp.
(D)
N
Cercospora arachidicola

O
46. Both chloroplasts and mitochondria M
M
(B) have linear DNA C O
(A) are found within the nucleus

A Tthe parents
(C) carry extranuclear genes
(D) are inherited from both
S
C U

47. The cation present in chlorophyll is

(A) Ni 019
(B) Cu 2
(C) Mn
S T
E
(D) Mg
T
N
O
48. I
Which of the following is not a polymer?
S
(A) Cellulose I
S
(B) Glucose M
(C) DNAA
D
M
N
(D) Starch
O
M
49.

SA
T
O
M
C (A) Fructose
(B) Sucrose
O
Sweetest sugar is

C T E
CU
T
(C) Glucose

N
(D) Lactose

50. A
S IO
RNA differs from DNA in having
2 0 19
(A)
(B)
(C)
(D)
U
C IS S
Thymine
Cytosine
Uracil
Adenine T E ST
N
O
51.
M S I
Which enzymes are used as molecular scissors in genetic engineering?
IS
(A)
D M
Restriction endonucleases

(B) DNA polymerases
(C)
A
DNA ligases
(D)
N
DNA gyrases

O
52. Clones of plants can be produced by M
M
(A)
(B)
Sexual reproduction
Hybridization C O
(C)
(D) AT
Vegetative reproduction
Mutational breeding
S
CU

53. Edible part of banana is

(A) Epicarp 019
(B) 2
Mesocarp and less developed endocarp
(C) Epicarp and mesocarp
S T
E
(D) Endocarp and less developed mesocarp
T
N
O
54. I
The function of tapetum is
S
(A) Protective I
S
(B) NutritiveM
A
D
(C) Photosynthesis
M
N conduction
(D) Water
O
M
55.

SA
T
O
M
O
C (A) Sodium chloride
C T
(B) Calcium alginateE
Synthetic seed is produced by encapsulating embryo with

CU
T
(C) Sodium iodide

N
(D) Potassium nitrate

56. A
S IO 2 0 19
The production of secondary metabolites requires the use of

(A)
(B)
(C)
(D)
U
C IS S
Protoplasts
Apical meristem
Auxillary buds
Cell suspension T E ST
N
O
57.
M S I
Which one of the following explants is used in tissue culture to generate virus-free
IS
D
plants?
M
(A) Internode
(B) Root
A
(C) Shoot
N
(D)
O
Shoot apex

M
58. M
Which one among the following phytohormones promotes cell division?

(A) Auxins C O
(B) Cytokinins
(C) Gibberellic acid A
T
(D) BrassinosteroidsS
CU

59. Indole-3-acetic acid (IAA) is synthesized from amino acid

(A) Proline 019
(B) Methionine 2
(C) Tryptophan
S T
E
(D) Phenylalanine
T
N
O
60. I
Avena curvature test is the bioassay for which of the following phytohormone
S
IS acid (IAA)
(A) Indole-3-acetic
M acid
D
M
(B) Gibberellic
A acid
(C) Abscisic

N
(D) Cytokinin
O
M
61.

SA
T
O
M
C (A) Collagen
(B) Actin
O
C T E
Spindle fibres of a mitotic cell are made up of

CU
T
(C) Tubulin

N
(D) Myosin

62. A
S IO 2 0 19
Little leaf disease of brinjal is caused by

(A)
(B)
(C)
(D)
U S
Viruses

C IS
Bacteria
Fungi
Earth worm T E ST
N
O
63.
M S I
Tunica-corpus theory was proposed by
IS
(A)
D Hofmeister
M
(B) Popham
(C) Hanstein
A
(D) Schmidt
N
O
64. M
Fibres are very much elongated cells of the following type
M
(A)
(B)
Parenchyma
Collenchyma C O
(C)
(D)
Sclerenchyma
Epidermal cells AT
S
CU

65. Which one among the following ecosystems has the lowest primary productivity per
square meter?
019
(A) A salt marsh 2
(B) An open sea
S T
E
(C) A coral reef
(D) A grassland T
N
O
66. Eutrophication is a S
M
I
SI of
kind

(A) Water D
A
M
pollution
(B) Air pollution

N pollution
(C) Land
(D) O
M Noise pollution

SA T
O
M

(A) Algae
O
C T E
67. C Root nodules are formed by the symbiotic association between the legume plant and

CU
T
(B) Bacteria

A N
(C) Bryophyte
(D) Fungi
19
S IO 2 0
U S
68. Which one among the following plant parts is a modified stem for the protection of plants
from browsing animals?
ST
(A)
(B)
C IS
Tendrils
Tuber
O
N
T E

M
(C) Rhizome
(D) Thorns
S I
IS
69.
D M
The Gondwana land began to split in the

(A)
(B)
(C)
A Jurassic
Triassic
O
Permian N
A
D
(D) Carboniferous
M
M
70. O
C of light and darkness is termed as
A physiological response to the duration

(A) Daily phase cycle T
(B) Photoperiodism A
(C) Circadian rhythmS
CU
(D) Biological clock

71. 019
The movement in touch-me-not plant induced by touch is
2
(A) Chemotrophic
S T
E
(B) Seismonastic
(C) Phototactic T
(D) Epinastic N
O
S I
72. IS occurs in
Photophosphorylation
M
A
(A) PlastidsD
M
(C) O
N
(B) Mitochondria
Cytoplasm
M Nucleoplasm
O
(D)
M
T
73.
SA
O

C T E
C Light phase of photosynthesis takes place inside the

CU
T
(A) Stroma

N
(B) Mitochondria

A 9
(C) Thylakoid
1
S IO
(D) Mesophyll cells

2 0
74.

(A)
(B)
U
C IS S
Glycolysis occurs in

Mitochondria
Cytoplasm T E ST
(C) Golgi complex N
O
M I
(D) Ribosomes
S
IS
75.
D M
Which of the following is a disaccharide?

(A)
(B)
(C)
(D)
A Maltose
Ribose
Glucose
O
N
Cellulose
A
D

M
M
76. What is dry ice?
C O
(A)
(B)
Liquid nitrogen
Water ice AT
(C) S
Solid carbon dioxide
(D) U
Frozen ethanol
C

77. Acid rain has a pH of

(A) 9 019
(B) 8 2
(C) 7
S T
E
(D) 6
T
N
O
78. I
Which of the following sub-system of cell is absent in eukaryotic cells?
S
(A) Mitochondria IS
M
D
M
(B) Mesosomes
A
(C) Chloroplasts

N complex
(D) Golgi
O
M
79.

SA
T
OAll

O
M of the following are features of prokaryotes except
C (A) Nitrogen fixation
C T
(B) Photosynthesis E
CU
T
(C) Sexual reproduction

N
(D) Locomotion

80. A
S IO 2 0 19
The mold Rhizopus stolonifer belongs to which of the following fungal divisions?

(A)
(B)
(C)
(D)
U S
Ascomycota

C IS
Deuteromycota
Zygomycota
Oomycota T E ST
N
O
81.
M S I
The fruiting body of a mushroom is called
IS
(A)
D Sorocarps
M
(B) Ascocarps
(C)
A
Basidiocarps
(D)
N
Plasmodiocarps

O
82. M
Fungi that lack partitions, namely septa, are called
M
(A)
(B)
Ahyphae
Yeast C O
(C)
(D)
Coenocytic
Conidia AT
S
CU

83. The Basidiomycetes include plant pathogens that cause

(A) Candidiasis 019
(B) Ergot disease 2
(C) Rust and smut diseases
S T
E
(D) Dutch elm disease
T
N
O
84. I
Which of the following cellular structures would not be associated with fungi?
S
IS
(A) Mitochondria
M
D
M
(B) Cell walls
(C) SporesA

N
(D) Chloroplasts
O
M
85.

SA
T
O
M alga is
Parasitic

O
C (A) Spirogyra sp.
C T
(B) Ulothrix sp. E
CU
T
(C) Chlamydomonas reinhardtii

N
(D) Cephaleuros sp.

86. A
S IO
The blue-green algae belongs to
2 0 19
(A)
(B)
(C)
(D)
U
C IS S
Myxomycetes
Eukaryota
Chlorophyceae
Prokaryota T E ST
N
O
87.
M S I
A motile reproductive unit is called
IS
(A)
D Zoospore
M
(B) Zygote
(C)
A
Aplanospore
(D)
N
Mitotic spindle

O
88. M
The photosynthetic pigments of Chlamydomonas are located in
M
(A)
(B)
Thylakoid
Stroma C O
(C)
(D)
Pyrenoid
Cell wall AT
S
CU

89. Which one among the following is absent in bryophytes?

(A) Zoospore 019
(B) Antheridia 2
(C) Archegonia
S T
E
(D) Oosphere
T
N
O
90. I
Female sex organs in a plant belonging to Bryophyta is known as
S
(A) ArchegoniaI
S
M
D
M
(B) Spermatogonia
A
(C) Zygote

N
(D) Orchid
O
M
91.

SA
T
O
M
Pteridophytes

O E
are termed as
C (A) Vascular cryptogams
C T
(B) Phanerogams

CU
T
(C) Spermatophytes

N
(D) Amphibians of plant kingdom

92. A
S IO 2 0 19
Microsporangia and macrosporangia are found in the same cone of

(A)
(B)
(C)
(D)
U S
Selaginella sp.

C IS
Dryopteris sp.
Equisetum sp.
Psilotum sp. T E ST
N
O
93.
M S I
Which one among the following is correct for terming the vascular bundle of
IS
D
gymnosperms?
M
(A) Collateral
(B) Stele
A
(C) Exarch
N
(D)
O
Bundle sheath cells

M
94. Endosperm in gymnosperm is M
(A) Haploid C O
(B) Diploid
A T
(C) Triploid
S
(D) Tetraploid
CU

95. Study of fossils is called

(A) Paleontology 019
(B) Psychiatry 2
(C) Pomology
S T
E
(D) Phycology
T
N
O
96. I
Photosynthesis takes place faster in
S
(A) White light I
S
(B) DarknessM
(C) Red A
D
light
M
N light
(D) Far-red
O
M
97.

SA
T
O
M
O
C (A) Linked Genes
C T
(B) Dominant Genes E
Genes that are carried on the same chromosome are called

CU
T
(C) Unlinked Genes

N
(D) Recessive Genes

98. A
S IO
Split genes are found in
2 0 19
(A)
(B)
(C)
(D)
U S
Eukaryotes

C IS
S
Eukaryotes and Prokaryotes
Prokaryotes
Tonoplast T E
T
N
O
99.
M S I
In DNA replication the Okazaki fragments on the lagging strand are joined together by
IS
(A)
D Helicase
M
(B) DNA-Ligase
(C)
A
DNA-Polymerase
(D)
N
DNA-Virus

O
100. M
When an organism has a life cycle with alternation of generations, the haploid generation
is represented by the M
(A) Zygote C O
(B) Gamete
AT
(C) Gametophyte
S
(D) Sporophyte
CU

101. During meiosis, crossing over takes place at

(A) Zygotene stage 019
(B) Diplotene stage 2
(C) Diakinesis stage
S T
E
(D) Pachytene stage
T
N
O
102. I
The nucleus of a prokaryotic cell is represented by
S
IS DNA
(A) Single-stranded
M circular DNA
D
M
(B) Double-stranded
A
(C) Sn-RNA

(D) ANwell-defined nuclear membrane
O
M
103. A

SA
T
O
C (A) Lipids
(B) Proteins
O
Mchromosome is composed of DNA and associated

C T E
CU
T
(C) Genes

N
(D) Sugars

104. A
S IO 2 0 19
Structural and functional unit of life is called

(A)
(B)
(C)
(D)
UCell

C IS S
Tissue
Organelle
DNA T E ST
N
O
105.
M S I
Smooth form of endoplasmic reticulum is without
IS
(A)
D M
Golgi complex

(B) Ribosomes
(C) Nucleus
A
(D)
N
Mitochondria

O
106. M
Continuous intracellular channels that appear to lie between plasma membrane and
nuclear membrane is M
(A) Endoplasmic reticulum C
O
(B) Golgi complex
A T
(C) Mitochondria
S
(D) Ribosome
C U

107. Place on chromosome where spindle fibers are attached during cell division is called

(A) Chromatids 019
(B) Centromere 2
(C) Centrioles
S T
E
(D) Mitochondria
T
N
O
108. I
Cell membranes are composed mainly of
S
S
(A) Sugars and Iproteins
Mproteins
D
M
(B) Lipids and
A and lipids
(C) Starch

N and lipids
(D) Sugars
O
M

SA
M
O
CO (A) Respiration
C T
T (B) Photosynthesis E
109. Ribosomes are the sites of

CU
T
(C) Protein synthesis

N
(D) Fat synthesis

110. A
S IO 2 0 19
A very important organelle which is also called as the “power house of cell” is

(A)
(B)
(C)
(D)
U
C IS S
Mitochondria
Golgi complex
Nucleus
Vacuole T E ST
N
O
111.
M S I
An excised piece of live plant-tissue employed in micropropagation is termed as
IS
(A)
D Microshoot
M
(B) Nutrient medium
(C) Explant
A
(D) Scion
N
O
112. M
The bread wheat, Triticum aestivum, that is commonly used all over the world is
M
(A)
(B)
Hexaploid
Tetraploid C O
(C)
(D)
Triploid
Diploid AT
S
CU

113. Phytohormone pair that is supplemented to culture medium for callus differentiation is

(A) auxin and cytokinin 019
(B) auxin and ethylene 2
(C) auxin and abscicic acid
S T
E
(D) cytokinins and gibberllin
T
N
O
114. I
Phytohormone responsible for apical dominance is
S
(A) Auxin IS
M
D
M
(B) Gibberellin
(C) A
Ethylene

(D) N
Cytokinin
O
M

SA
M
O
CO (A) Due to mutagens
C T E
115. Somaclonal variations are generated

T (B) During plant tissue-culture
CU
T
(C) Due to irradiation by gamma rays

N
(D) During sexual embryogeny

116. A
S IO 2 0 1
Cellular totipotency is the property of
9
(A)
(B)
(C)
(D)
U
C IS S
Plants
Animals
Bacteria
Virus T E ST
N
O
117.
M S I
The function of leghaemoglobin in the root nodules of legumes is
IS
(A)
D M
Oxygen removal

(B) Inhibition of nitrogenase activity
(C)
A
Expression of nif gene
(D)
N
Nodule differentiation

O
118. PEP is primary CO2 acceptor in M
M
(A)
(B)
C4 plants
C3 plants C O
(C)
(D)
C2 plants
AT
Both C3 and C4 plants
S
CU

119. Pfr-Pr conversion is caused by

(A) Blue light 019
(B) Red light 2
(C) Green light
S T
E
(D) Far-red light
T
N
O
120. I
The universal chlorophyll pigment is
S
(A) Chlorophyll-aIS
M
D
M
(B) Chlorophyll-b
A
(C) Chlorophyll-c

N
(D) Chlorophyll-d
O
M

SA
T
O
M
121. Reactions
C place is called
(A) Anabolism
O
C T E
by which the breakdown of macromolecules to their simple precursors takes

CU
T
(B) Biosynthesis

A N
(C) Metabolism
(D) Catabolism
19
S IO 2 0
U S
122. Oxidation of which substance yields the most calories

ST
C IS E
(A) Glucose
(B) Glycogen
T
(C) Protein
N
(D) Lipid
O
M IS
S I
D
123. Photosynthetic pigments are located in the thylakoid membrane of
M
(A) Protoplasts
(B)
A
Chloroplasts
(C)
N
Cytoplasts
(D)
O
Leucoplasts

M
124. NADP stands for M
C O
(A) Nicotin Adenine Dinucleotide Pyruvate

A T
(B) Nitrate Amine Disaccharide Phosphate

S
(C) Nicotinamide Adenine Dinucleotide Phosphate

CU
(D) Nitryl Adenine Diphosphate

125. Ganong’s respiroscope experiment is performed to demonstrate that

(A) O2 is evolved during photosynthesis 019
(B) CO2 is necessary for photosynthesis2
(C) T
CO2 is released during respiration
S
E
(D) Light is necessary for photosynthesis
T
N
O
126. I
Protoplasts can be produced from suspension cultures, callus tissues or intact tissues by
S
IS
enzymatic treatment with
M
(A)
(B)
D
M
Cellulotyic enzymes
A
Pectolytic enzymes

(C) N
Both cellulotyic and pectolytic enzymes
(D) O
Proteolytic enzymes
M

S
127.
AT
M
O E
COThe phenomenon of the reversion of mature cells to the meristematic state leading to the
C T
formation of callus is known as

CU (A)
(B)
(C) T
Redifferentiation

A N
Dedifferentiation
Vascular differentiation
19
S IO 0
(D) Cytodifferentiation
2
128.
U S ST
Agrobacterium-based gene transfer is efficient

(A)
C IS
Only with dicots
T E
(B) Only with monocots
N
O
M
(C) With both monocots and dicots
(D)
S I
With majority of monocots and a few dicots

IS
129.
D M
Direct DNA uptake by protoplasts can be stimulated by

(A)
(B)
(C)
A Decanal
O
N
Luciferin
A
D
Polyethylene glycol (PEG)

(D) Sucrose
M
M
130. Opines are
C O
(A) T
Amino acid derivatives found in tumor tissues
A
(B)
S
Amino acid derivatives found in normal tissues
(C)
(D)
CU
Amino acid derivatives found in both normal as well as tumor tissues
The opinions about genetically modified organisms (GMO)

131. Somatic embryoids are

(A) 019
Identical with zygotic embryos and without seed coats
(B) 2
Identical with zygotic embryos and with seed coats
(C) T
Non-identical with zygotic embryos and without seed coats
S
E
(D) Non-identical with zygotic embryos and with seed coats
T
N
O
132. I
The preserved embryoids are termed as
S
(A) Synseeds I
S
M seeds
D
M
(B) Semi-synthetic
A seeds
(C) Natural

N
(D) Fermented seeds
O
M

SA
M
O E
133. Angiosperm differs from the gymnosperms
CO (A) In having compound leaves
C T
T (B) Being evergreen
CU
T
(C) Being smaller in size

N
(D) In having ovules enclosed in ovary

134. A
S IO 2 0 19
An inflorescence in which flowers arise from different point but reach at same point is

U S
known as

ST
C IS E
(A) Catkin
(B) Spadix
T
(C) Umbel
N
(D) Cymose
O
M IS
S I
D
135. Plants which flower only once in their life is
M
(A) Polycarpic
(B)
A
Monocarpic
(C)
N
Cleistocarpic
(D)
O
Pericarpic

M
136. The perianth is the term used when M

(A) Androecium and gynoecium C Oare similar
(B) Calyx and corolla areT similar

S
(C) Androecium and calyx A are similar

CU
(D) Gynoecium and corolla are similar

137. The newly collected specimen which is used as a substitute, when the original type

19
material is missing in a herbarium, is designated as
0
(A) Lectotype 2
(B) Holotype
S T
E
(C) Neotype
(D) Isotype T
N
O
SI
IS
138. Synecology deals with
M
(A) Ecology D
M
of many species
A of many populations
(B) Ecology

N of community
(C) Ecology
(D) O
M Ecology of single species

SA
O
M
O E
139.C Species that occur in different geographical regions separated by special barrier are
T known as
C T
CU
AT
(A) Allopatric

N
(B) Sympatric
(C) Sibling
19
S IO 0
(D) Extinct
2
140.
U S ST
The development of a bare area without any life form is called

C IS
(A) Nudation
T E
(B) Ecesis
N
O
M
(C) Sere
(D) Reaction
S I
IS
141.
D M
The pyramid of numbers is inverted in the case of

A
(A)
(B)
(C)
O
N
A
D
Parasitic food chain
Grassland ecosystem
Forest ecosystem
(D) Lake ecosystem
M
M
142. Which of the following ecologicalO
C pyramid is always upright?

(A) Pyramid of energy T
(B) Pyramid of numberA
S
C U
(C) Pyramid of biomass
(D) Pyramid of population density

143. Which of the following is not the property of Phyllanthus niruri?

(A) Anti-cancer 019
(B) Cataract cure 2
(C) Jaundice cure
S T
E
(D) Anti-oxidant
T
N
O
144. I
Chromosome end is called
S
(A) Telomere I
S
M
D
M
(B) Centromere
A
(C) Satellite

N
(D) Chromatid
O
M
145. A

SA
T
O
O
Mmedicinal plant is
C (A) Pisum sativum
C T
(B) Coffea arabica E
CU
T
(C) Rauvolfia serpentine

N
(D) Brassica oleracea

146. A
S IO
Phytochrome is involved in
2 0 19
(A)
(B)
(C)
(D)
U
C IS S
Phototropism
Photorespiration
Photoperiodism
Geotropism T E ST
N
O
147.
M S I
Which one of the following is a C4 plant?
IS
(A)
D Papaya
M
(B) Potato
(C) Maize
A
(D) Pea
N
O
148. M
Carbon refixation in C4 plants occurs in chloroplasts of
M
(A)
(B)
Palisade tissue
Spongy mesophyll C O
(C)
(D) Guard cells AT
Bundle sheath cells

S
CU

149. Basic unit or smallest taxon of taxonomy/classification is

(A) Species 019
(B) Kingdom 2
(C) Family
S T
E
(D) Genus
T
N
O
150. I
Casparian strip occurs in
S
(A) EndodermisI
S
M
D
M
(B) Exodermis
A
(C) Pericycle

N
(D) Epidermis
O
M

SAT
CO
M
O
C T E
CU
T
*******************

A N 19
S IO 2 0
U
C IS S T E ST
N
O
M IS
S I
D M
A O
N
A
D

M
M
C O
AT
S
CU

BOTANY9 - ANSWER KEY
1
20 CODE: 602
TEST
QN. NO. KEY QN. NO. KEY QN. NO. T KEY QN. NO. KEY QN. NO. KEY
E S

1 C 26 C 51 T A 76 C 101 D
2 C 27 A N
O52 C 77 D 102 B

3 C 28 C I
S 53 D 78 B 103 B
4 D 29 A IS 54 B 79 C 104 A
M
5 B 30 C AD 55
M B 80 C 105 B

6 A 31 BN 56 D 81 C 106 A
O
7 B 32 MD 57 D 82 C 107 B
8
9
10
A
D
C
33
34 T
S
35A
CO
M B
D
A
O
C TE
58
59
60
B
C
A
83
84
85
C
D
D
108
109
110
B
C
A
11
12
B
A
U
C 36
37
D
B
AT N
61
62
C
A
86
87
19
D
A
111
112
C
A
13 B 38 D
S I O 63 D 88
2 0 A 113 A

U S
14 D 39 C 64 C 89 A 114 A
15 B 40 C 65 B ST 90 A 115 B
16
17
D
A
41
42 C IS
B
D
66
67
A
B
O
N
T E 91
92
A
A
116
117
A
A
18 D 43
M
A 68
IS
S ID 93 A 118 A

D
19 C 44 C 69 A 94 A 119 D
20 D 45 D 70 M B 95 A 120 A
21
22
23
B
A
D
46
47
48
A C
D
B O
N
A
71
72
73
D D
A
C
96
97
98
A
A
A
121
122
123
D
D
B
M
24 B 49 A 74
M B 99 B 124 C

CO
25 B 50 C 75 A 100 C 125 C

AT
S
CU

019
2
QN. NO. KEY
S T
TE
126 C
127 B N
O
128 A SI
129 A IS
M
130 A A
D
M
131 A N
O
132 A M
133
134
135
D
C
B SA
T
CO
M
O
C TE
136
137
B
C
CU
AT N 19
138 C
S I O 2 0
U S
139 A
140 A ST
141
142
A
A C IS O
N
T E
143 B
M IS
S I
D
144 A
145 C M
146
147
148
C
C
C
A O
N
A
D

M
149 A
M
CO
150 A

AT
S
CU