1. Assertion (A)
: The higher the taxonomic category lesser will be the number of
common characters
of organisms belonging to that category.
Reason (R) : melangena, tuberosum and nigrum belonging to the genus Solanum have many common characteristics but
differ widely from mango, bean, mustard
and china-rose
although all of them belong to the class
dicotyledonae.
1) A and R are
true and R is the correct explanation of A.
2)
A and R are true and R is not the correct explanation of A.
3)
A is true, R is false. 4)
A is false, R is true.
2. Identify
the correct statements
I.
Genus is a group of species which are related and have less characters in
common as compared to species
II.
Family is a group of related genera with still less number of similarities as
compared to genus and species
III.
Genus is a group of related species which has more characters in common in
comparison to species of other genera
IV.
Family is a group of related genera that are more similar to each other than
with genera of other families.
1) II & III only 2)
I & IV only 3) II, III,
& IV only 4) I, II,
III & IV
3. Study
the following lists
List
– I List – II
A. Flora I. Provide information for identification of names of
species found in an area
B. Manuals II. Collection of preserved
plant and animal specimens
C. Monographs III. Information on any one taxon
D. Key IV. Taxonomic aid used
for identification of
plants and animals based on similarities
and
dissimilarities
V. Actual account of habitat and
distribution of
plants of a given area
The
correct match is
A B C D A B C D
1) II I III V 2) V I III II
3)
III V I IV 4) V I III IV
4. Which
of the following is incorrect with respect to criteria/marker used by Carl
Woese for studying evolutionary relationships among living organisms ?
Woese for studying evolutionary relationships among living organisms ?
1) 16s rRNA 2)
23s rRNA 3) 18s r RNA 4) 2 & 3
5. Study
the following and choose the answer which corresponds, in the five kingdom
classification order, to the terms /
description below:
A)
Silicified cell walls; spores with true walls
B)
Pseudomurein in cells walls ; mycolic acid in cell walls
C)
Algin in cell walls ; carrageen in cell walls
D)
White spots on mustard; Red rot pathogen
E)
Heterotrophic, eukaryotic organisms and cells without
cell walls
1) A : Diatoms ; Slime moulds 
B : Archaebacteria ; Actinomycetes C : Brown algae ; Red algae D : Albugo ; Colletotrichum E : Animalia
B : Archaebacteria ; Actinomycetes C : Brown algae ; Red algae D : Albugo ; Colletotrichum E : Animalia
2)
B : Archaebacteria ; Actinomycetes A : Diatoms ; Slime moulds D : Albugo
; Colletotrichum C : Brown algae ; Red algae E : Animalia
A : Diatoms ; Slime moulds D : Albugo
; Colletotrichum C : Brown algae ; Red algae E : Animalia
3) B : Archaebacteria ; Actinomycetes A : Diatoms ; Slime moulds C : Brown algae ; Red algae D : Albugo ; Colletotrichum E : Animalia
A : Diatoms ; Slime moulds C : Brown algae ; Red algae D : Albugo ; Colletotrichum E : Animalia
4) A : Diatoms ; Slime moulds B : Archaebacteria ; Actinomycetes D : Albugo
; Colletotrichum C : Brown algae ; Red algae E : Animalia
B : Archaebacteria ; Actinomycetes D : Albugo
; Colletotrichum C : Brown algae ; Red algae E : Animalia
6. Identify the wrong combination
1) Single cell proteins -----
Spirulina, Chlorella
2) Petro –
plants ----- Jatropa,
Pongamia
3)
Biofertilizers ----- Cyanobacteria like Oscillatoria , Nostoc , Azolla, Anabaena
4)
Medicinal plants ----- Solanaceae members like Atropa, thorn apple, Aswagandha
7. Four plants A, B, C, D selected from
Algae, Bryophytes, Pteridophytes and Gymnoperms, respectively, are observed.
‘A’ has heterogametes exhibiting diplontic life cycle. ‘B’ has attached sporophyte
with elaters and exhibiting haplo – diplontic life cycle. In ‘C’ leaflets show furcate
venation and exhibiting diplo – haplontic life cycle ‘D’ has micro and megasporophylls
on the same tree and obligate association with mycorrhizae exhibiting diplo –
haplontic life cycle. A, B, C & D plants, respectively, are
1) Fucus, Marchantia, Dryopteris, Cycas 2) Volvox,
Marchantia , Dryopteris, Pinus
3) Polysiphonia, Anthoceros, Pteris, Cycas 4) Fucus, Marchantia, Dryopteris, Pinus
8. Indentify the wrong combination
1) Volvox – Chlorophyll a, b – Exhibits oogamy
2) Laminaria – Fucoxanthin
– Used to extract iodine
3) Sphagnum – Dioecious
– Used as packing material for
trans – shipment of living material
4) Selaginella – Lycopsida – Leaves are microphylls
9. Match the following taxa with respect to
their female sex organ / gametangium :
Taxon Female
sex organ / gametangium
A. Brassica I. Archegonium
B. Chara II.
Pistil
C. Cycas III.
Spermatium
D.
Polysiphonia IV.
Oogonium
V.
Carpogonium
The
correct answer is
A B C D A B C D
1) II IV I III 2) I IV II V
3)
II IV I V 4) II V IV I
10. A
taxon is observed, which is a hybrid variety had twice the amount of
aminoacids, lysine and tryptophan. In this taxon bunch of silky hairs of
inflorescence wave in the wind to trap pollengrains.
Which of the following characters are related to the taxon ?
A)
Caryopsis fruit B)
Brace roots
C)
Monoecious nature D)
Persistent endosperm in mature seed
E)
Conjoint and closed vascular bundles of similar size in both stem and leaves
1) A, B & C only 2) A, B, C & E only 3) A, B, C & D only 4) A, B, C, D & E
11. Unisexual,
naked flowers are arranged in cymose manner inside cup like involucre of bracts
are found in
1) Verticellaster of Leucas 2) Hypanthodium of Ficus
3) Cyathium of Euphorbia 4) Compound umbel of carrot
12. Study
the following lists :
List - I List - II
A. Tendrils of grapevine I.
Axillary buds
B. Bulbils of Agave II.
Vegetative buds
C. Tendrils of cucumber III. Terminal buds
D.
Bulbils of Dioscorea IV.
Floral buds
V.
Epiphyllous buds
The
correct answer is
A B C D A B C D
1) I III II IV 2) II IV V III
3) III IV I II 4) IV V II III
13. Find
the incorrect combination
1) Epiphyllous stamens ---- Lilium
2) Polyandrous
condition ---- China
3) Diadelphous stamens ---- pea 4) Polyadelphous stamens --- Citrus
14. Four
plants (A, B, C, D ) are observed. ‘A’ has nut fruit with stony pericarp and the
cotyledons, fleshy pedicel are chief edible parts. In ‘B’ each carpel of
apocarpous gynoecium develops into a fruitlet and its mesocarp, endocarp are
the chief edible parts, ‘C’ has sorosis fruit and inflorescence axis, juicy
succulent bracts as chief edible parts. ‘D’ has drupe fruit and endosperm in
the fruit as the chief edible part. To which families A, B, C and D belong
respectively ?
1) Anacardiaceae, Annonaceae,
Moraceae, Palmae
2) Anacardiaceae, Annonaceae,
Bromeliaceae, Arecaceae
3) Anacardiaceae, Rosaceae,
Bromeliaceae, Palmae
4) Solanaceae, Cucurbitaceae,
Bromeliaceae, Arecaceae
15. Indentify
the characters of Tridax, Acacia, Argemone
and Bougainvillea respectively.
1) Inferior ovary, schizocarp splits
into mericarps, free central placentation, cymule
2) Cypsela fruit, phyllodes, parietal
placentation, stem tendrils
3) Cypsela with pappus,
schizocarp splits into one seeded mericarps, parietal placentation,
cymule
4) Basal placentation, phyllodes,
parietal placentation, leaf spines
16. Identify
the correct sequence of plants in the order of characters given below :
a)
Ovules born along the ventral suture of unilocular ovary
b)
Ovules are born on central axis without septa
c)
Ovules develop on inner walls of the ovary which is one – chambered but it
becomes two – chambered due to false septum
1) Dolichos, Solanum, Argemone 2)
Dolichos, Dianthus, Brassica
3)
Pisum, Hibiscus, Brassica 4)
Pisum, Tridax, Mustard
17. Which
one of the following is correctly matched ?
1) Yeast – Zoospores 2)
Onion – bulb
3) Zinger – Sucker 4) Chlamydomonas – conidia
18. Assertion
(A) : In some plants such as mangroves, the seeds
germinate while still attached to the mother plant.
Reason (R) : Rhizophora is a sciophyte and shows vivipary
1)
A and R are true and R is the correct explanation of A.
2)
A and R are true and R is not the correct explanation of A.
3) A is true, R is false. 4) A is false, R is true.
19.
Observe the following sets of plants
Set
‘A’ : Allium, Colchicum, Datura,
Gloriosa , Hibiscus, Solanum, Sunflower
Set
‘B’ : Ananas, Artocarpus, Asparagus,
Capsicum, Cotton, Datura, grapes,
Guava, Nicotiana, tomato
Identify
the correct ratios between the plants showing herkogamy, protogyny and
protandry with respect to set ‘A’ and the plants with sorosis, capsule and
berry fruits with respect to set ‘B’
Set ‘A’ Set ‘B’
1) 2 : 3 : 2 2 : 3 : 5
2) 1 : 2 : 4 4 : 3 : 3
3) 1 : 3 : 3 2 : 4 : 4
4) 2 : 4: 1 3 : 4 : 3
20. Which
one of the following statements is correct ?
1) The mature seed in wheat is not
endospermic 2) Mango is a
parthenocarpic fruit
3) A proteinaceous aleurone
layer is present in maize grain
4) A sterile pistil is called a
staminode
21. Pollen
tablets available in the market are meant for :
I)
‘Invitro’ fertilization II)
Breeding programmes
III)
Ex-situ conservation IV)
Food supplements
1) I, II & III only 2) II & III only 3) II, III & IV only 4) IV only
22. Dicliny
(Monoecious Condition) prevents :
1) Autogamy but not geitonogamy 2) Both geitonogamy and xenogamy
3) Geitonogamy but not xenogamy 4) Autogamy and geitonogamy
23. Identify
the wrong pair of statements
I.
The ratio of the number of carpels in the flowers of cucumber and flowers of Smilax
is 1 : 1
II.
The ratio of number of stamens in the flowers of Datura and Pisum is 1 : 2
III.
In Bentham & Hooker’s system of classification, the ratio between the
cohorts of series disciflorae and bicarpellatae is 2 : 3
IV.
The fruits in Tridax and Mangifera have the seeds in the ratio
of 2 : 1
1) III, IV 2)
I, IV 3) I, II 4) II, III
24. Which
one of the following statements is wrong ?
1) Intine is made up of cellulose and
pectin
2) When pollen is shed at two –
celled stage, double fertilization does not take place
3) Vegetative cell is larger than
generative cell in pollengrain
4) Pollengrains in some plants remain
viable for months
25. Assertion
(A) : Apomictic hybrid seed could potentially
provide tremendous benefits to poor farmers
Reason (R) : Through apomixis, the desirable
traits can be maintained indefinitely without segregation of characters in
hybrid progeny so that the farmers use such apomictic hybrid seed to raise new
crop year after year without buying hybrid seeds every year
1) A and R are
true and R is the correct explanation of A.
2)
A and R are true and R is not the correct explanation of A.
3)
A is true, R is false. 4) A is false, R is true.
26. A teacher was explaining about a plant whose
venation pattern is basically similar to Crotalaria,
placentation type in pistillate flowers is similar to bisexual flowers of china
rose, number of stamens in staminate flowers is same like that of bisexual
flowers of mustard and it is a tendril climber with aerial weak stem . He was
trying to arrive at one of the following ?
1) Brinjal 2) Glory
lily 3) Sarsaparilla 4) Onion
27. In
which one of the following, the scientific name, its two characters and its
family are not correctly matched, where as the remaining three are correct ?
Scientific name
|
Two characters
|
Family
|
|
1)
|
Pisum sativum
|
a) Tendril climber
b) Papilionaceous
corolla
|
Fabaceae
|
2)
|
Solanum nigrum
|
a) Epipetalous
stamens
b) Unilocular ovary
|
Solanaceae
|
3)
|
Allium cepa
|
a) Umbel
inflorescence
b) Protandrous
flowers
|
Liliaceae
|
4)
|
Oryza sativa
|
a) Spike
inflorescence
b) Caryopsis fruit
|
Poaceae
|
28. Match the following and select the correct
answer
List
- I List
- II
A. Centriole I. Infoldings in mitochondria
B. Chlorophyll II. Thylakoids
of chloroplast
C. Cristae III. Nucleic
acid in ribosomes
D.
Ribozyme IV.
Basal body of cilia or flagella
V.
Catalytic protein in ribosomes
A B C D A B C D
1) IV II I V 2) I II IV III
3) I III II IV 4) IV II I III
29. Identify the true statement in the
following
1) Each nucleosome consists of a core of five types of nine histone
molecules
2)
Catabolism of long chain fatty acids and synthesis of phospholipids occur in
peroxisomes
3) In telocentric
chromosome, the centromere is situated close to its end forming one extremely short and one very long arm.
4) The Golgi
apparatus is an important site for conversion of lipids to carbohydrates
30. There
are 20% adenines among the bases in a DNA fragment measuring 20 kb in
length. What is the ratio between
pentoses, nitrogen base pairs, phosphate groups and pyrimidines in this DNA
fragment ?
1) 1 : 2 : 1 : 2 2) 10 : 5 : 10 : 6 3) 10 : 5 : 10 : 3 4) 2 : 1 : 2 : 1
31. The
non – polymeric biomolecules, synthesized by smooth ER, found in acid insoluble
fraction during analysis of chemical composition of a living tissue are
1) Proteins 2) Lipids 3)
Polysaccharides 4) Glycogen
molecules
32. Study
the following lists
List
- I List - II
A. Chitin I. A
polysaccharide composed of only glucose molecules
B. Starch II. A polysaccharide with only fructose sugar
molecules
C. Cellulose III. A polysaccharide with secondary
structure capable of
holding I2
molecules
D.
Inulin IV. A complex
polysaccharide
V.
A polysaccharide with alternate glucose and fructose molecules
The
correct match is
A B C D A B C D
1) IV III I II 2) IV III V I
3) IV II V I 4) III IV V II
33. Identify
the meiotic stage in which the homologous chromosomes separate while the sister
chromatids remain associated at their centromeres
1) Anaphase II 2) Metaphase I 3)
Metaphase II 4) Anaphase
I
34. What
are the chromosome numbers in the following respectively?
III.
Primary endosperm nucleus in potato
IV.
Meiocyte of Haplopappus
1) 34, 16, 72, 4 2) 17, 16, 72, 2 3) 17, 16, 72, 4 4) 17, 32, 72, 4
35. Closed
vascular bundles in maize stem lack
1) Pith 2) Pericycle 3)
1 & 2 4)
Cambium
36. Which
one of the following characters is not found in the plant showing kranz anatomy
in leaves, naturally occurring cytokinin obtained from its kernels and
intercalary meristem between mature tissues in stem
1) Lysigenous cavities in stem 2) Bulliform cells in adaxial
epidermis of leaves
3) Chromosome number of endospermous
cell is 30 4) Pith is absent in
the root
37. Identify
the correct pair of statements
I.
In old dicot trees the greater part of secondary xylem is infiltrated with
various organic compounds like tannins, resins, oils, gums, aromatic substances
and essential oils
II.
Casparian strips are water impermeable, waxy suberised bands deposited on
tangential as well as radial walls of the root endodermal cells
III.
Bulliform cells are large, empty and colourless present in adaxial epidermis of
dorsiventral leaves of Nerium
IV.
The spring wood is darker in colour and has a higher density where as the
antumn wood is lighter in colour and has lower density in secondary dicot stems
1) III & IV 2) II & III 3) I & II 4) I & IV
38. Match
the following plants of a pond with their respective category
List
– I (plant pairs ) List
– II (category)
A. Hydrilla
& Utricularia
I. Free floating hydrophytes
B. Typha
& Limnophila II. Rooted
plants with floating leaves
C. Nymphaea
& Victoria III.
Submerged, suspended hydrophytes
D.
Lemna
& Pistia IV.
Submerged, rooted hydrophytes
V.
Amphibious plants
The
correct match is
A B C D A B C D
1) III II V I 2) II III IV I
3) III V IV II 4)
III V II I
39. Identify
the correct pair of combination
I)
Diatoms – Pioneer
community – Auxospores
II)
Rhizophora – Halophyte – Vivipary
III)
Lichens – Weathering of
rock – Symbiotic association
with mosses
IV)
Cultural services – Flood protection by sundarbans – Aesthetic value
1) II and III only 2) I & II only 3) II & IV only 4) III & IV only
40. Identify
the wrong pair of statements
I.
Many desert plants like Opuntia,
cacti have a special photosynthetic pathway (CAM )
that enables their stomata to remain opened during day time.
II.
Mesophytes are plants that normally grow in habitats where the pore spaces in
soil are occupied almost equally by water and gases
III.
Casuarina is a perennial, non – succulent plant, in that photosynthetic
function is taken over by flattened stems
IV.
As an ecological succession proceeds, the number and types of animals and decomposers
also change along with vegetational changes
1) I & III only 2)
II & IV only 3) I & II
only 4) II & III
only
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