1.Study the following table
List-I List-II
A) Gene I) Buchner
B) Ecology II) Cronquist
C) Zymase III) Khorana
D) Phylogenetic system IV) Haeckel
V) Bentham
The correct match is:
1) A-III, B-V, C-II, D-I 2) A-III, B-IV, C-V, D-II
3)A-III, B-IV, C-I, D-II 4) A-III, B-IV, C-V, D-II
2. IARI is not concerned with
1. Maintainance of water technology center
2. Maintainance of fungal herbarium
3. Maintainance of radio tracer lab
4. Giving training in garden technology and landscaping
3. Study the following statements about Trapa:
i) It has assimilatory roots
ii) It has three xylem strands
iii) It has swollen and spongy petioles
iv) Endosperm is absent
Find out the correct option:
1) I and ii are wrong 2) only iv is wrong
3) ii and iv are wrong 4) All are wrong
4. Name the plant in which the internodes store food and become tuberous
1) Solanum 2) Helianthus 3) Bulbophyllum 4) Vanda
5. Scorpoid cymose type of inflorescence is found in
1) Hamelia 2) Heliotropium 3) Cissus 4) Canna
6. The plant with gynobasic style shows the following pattern of arrangement of flowers on the
Stem
1) Cyathium 2)Hypanthodium 3) Verticellaster 4) Both hypanthodium and cyathium
7. Assertion: The ploidy of endosperm is triploid in all the members of plant kingdom
Reason: In angiosperms endosperm is formed after fertilization
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
8. Read the following statements
i) Double fertilization is absent in angiosperms
ii) In angiosperms one sperm nucleus fuses with egg cell and the other with secondary nucleus
iii) Marcessant calyx is found in solanum
iv) Antipodals are vegetative cells which are diploid.
Which of the above are correct:
1) i, ii, iii
2) only i
3) i and iii
4) ii and iii
9. Study the following table and find out the correct match
LIST-I LIST-II
A) Oil is used as lubricant and cooking medium I) Oryza
B) Anti leprosy oil II) Arachis
C) Anti corrosion oil III) Azadiracht
D) Cooking oil from hypogeal plant
IV) Gossypium
1) A-IV, B-III, C-I, D-II 2) A-IV, B-III, C-II, D-I
3) A-I, B-IV, C-III, D-II 4) A-IV, B-III, C-II, D-III
10. The Krebs cycle intermediates found in unriped and riped fruits of pride fruit of India respectively
Are
1) Citric acid and Malic acid 2)Malic acid and ascorbic acid
3) Malic acid and citric acid 4) Alpha keto glutaric acid and succinic acid
11. Identify the family with simple stigmas and corolla showing piston mechanism
1) Malvaceae 2) Asteraceae 3) Caesalpinaceae 4) Fabaceae
12. Arrange the group of scientists whose plant classifications are from primitive to most advanced
1) Linnaeus, decandolle, thorne, Hutchinson
2) Theophrastus, dejussiue, engler, thakthajan
3) Theophrastus, Linnaeus, cronquist, decandolle
4) Theophrastus, rendle, dejussiue, Goldberg
13. Study the following statements:
i) Christian de duve discovered this organelle
ii) This organelle is membrane less
iii) This organelle is derived from golgi
iv) This organelle contains hydrolytic enzymes
Which of the above statement(s) is/are correct about Lysosomes:
1) i and iv 2)i, iii, iv
3) iii and iv 4)i and iii
14. The cell organelle which participates in glyoxalate cycle is discovered by
1) Bridenbach 2) Christian deduve
3) Benda 4) Linnaeus
15. Study the table
EVENT
PHASE
RESULT
I) Crossing over
Pachytene
Gene recombination
II) Disjunction
Diplotene
Seggregation of chromosom
es
III) Synapsis
Zygotene
Bivalent formation
IV) Terminalisation
Diakinesis
Movement of genomes to
the tip
The correct set is:
1) I and III 2) II and III 3) I and II 4) I and IV
16. Arrange the tissues in fibrovascular bundle from centre to periphery
a) Metaxylem b)Phloem c) Protoxylem lacuna d) Protoxylem
1)a, b, c, d 2) b, c, d, a 3) c, d, b, a 4) c, d, a, b
17. Trichosclereids and lacunar collenchyma occur in the roots of
1) Mouraria 2) Olea 3) Monstera 4) Hakea
18. Para rubber is manufactured fro the secretion of
1) Hydathodes 2) Articulated laticifers 3) Non-articulated laticifers 4) Nectaries
19. A: The stem of hydrophytes is soft, delicate and more or less spongy
R: Most of the hydrophytes show poorly developed sclerenchyma and xylem
1) A and R are correct and R explains A
2) A and R are correct and R doesnot explain A
3) A is correct and R is false
4) A is false and R is true
20. The term ecosystem was coined by
1) Haeckel 2) Tansley 3) Takhtajan 4) Reiter
21. The fusion of structurally similar and functionally dissimilar gametes. The correct term given for this statement is:
1) Anisogamy 2)Oogamy 3) Physiological anisogamy 4) Morphological anisogamy
22) Identify the correct pair of plants and their structures which store starch
1) Pyrenoids of spirogyra and root tuber of ipomea
2) Stem tuber of solanum and pyrenoids of spirogyra
3) Stem tuber of solanum and bulbil of bulbophyllum
4) Pyrenoids of spirogyra and tuberous stem of knohl-kohl
23) Study the following statements
a) Fertilization of funaria is by chemotactic movement
b) Heterothallism is discovered by A.F.Blackslee
c) Stele of root of Pteris contains monarch and endarch xylem
d) The archegonial neck consists of four vertical rows of neck cells in pteris.
Which of the above are correct:
1) a and d 2) a, b and d 3) a, c and d 4) a and b
24. Identify correct pair of plants without xylem vessels
1) Cycas revoluta, Drimys 2) Equisetum, Gnetum 3) Cycas revolute, Trochodendron
4) Trochodendron, Drimys
25. The palisade tissue is confined to the sides of midrib only in
1) Cycas revoluta 2) Cycas circinalis 3) Cycas beddomi 4) Cycas pectinata
26. Name the organic acid present in endospores of bacteria
1) Tripicolinic acid 2) Malic acid 3) Melic acid 4) Dipicolinic acid
27. Study the following statements
a. Potato spindle virus and citrus exocorticosis viruses contain only proteins without nucleic acid
b. Agrobacterium tumefacians doesnot contain fimbriae
c. Polio virus is not spheroidal
d. All viruses contain ss-DNA.
The incorrect statements are:
1) a, b, c 2) a, b, d 3) All 4) c and d
28. Study the following table
LIST-I
LIST-II
A) Magnopothe grisea
I) Sphacelotheca sorghi
B) Perithecea
II) Pyricularia sexual stage
C) Ustilaginales
III) Xanthomonas
D) Pathogen multiplies in intercellular
Spaces
IV) Colletotrichum sexual stage
V) Sexual stage of Xanthomonas
1) A-II, B-IV, C-I, D-III 2) A-III, B-IV, C-V, D-III
3) A-II, B-IV, C-II, D-I 4) A-V, B-IV, C-III, D-II
29. Xanthomonas axoonopodis citri is
1) Gram negative, monotrichous, anaerobic, bacilliform
2) Gram negative, monotrichous, aerobic, bacilliform
3) Gram positive, monotrichous, anerobic, bacilliform
4) Gram positive, monotrichous, anerobic, spiral
30. The pathogen of cherry ring spot is transmitted through
1) Insect vectors 2) Matured angiospermic ovules 3) Matured microspores 4) Eukaryotic
Decomposers.
31. A: Polyploidy is found in the seeds of Colchicum autumnale
R: Colchicine present in Colchicum prevents the spindle formation during metaphase of mitosis
1) A and R are correct and R explains A
2) A and R are correct and R doesnot explain A
3) A is true and R is false
4) A is false and R is true.
32. The enzyme used in the production of artificial sweeteners belongs to the class:
1) Oxidoreductases 2) Lyases 3) Ligases 4) Isomerases
33. The correct preservative and storage temperature for cryopreservation respectively are
1) Solid Nitrogen at -196 degrees
2) Liquid Nitrogen at 196 degrees
3) Liquid Nitrogen at -196 degrees
4) Solid Nitrogen at -196 degrees
34. Study the following statements
i. The movement of water from lower water potential to higher water potential is diffusion
ii. The movement of water from lower concentration to higher concentration is osmosis
iii. The adsorption of water is called plasmolysis
iv. Endosmosis takes place when an RBC is placed in hypertonic solution
The incorrect statements are:
1) I, ii, iv 2)ii, iv 3) iii, iv 4) All are wrong
35. The following physiological event is by active movement
1) Outflux of K+ and influx of Cl- ions from guard cells
2) Influx of K+ and Cl- into guard cells
3) Ascent of sap
4) Absorption of water by plants.
36. A: The splitting of water in the presence of light is called photokinesis
R: The H+ acceptor used in hill’s reaction is potassium ferric oxalate
1) A and R are true and R explains A
2) A and R are true and R doesnot explain A
3) A is true and R is false
4) A is false and R is true.
37. Out of the total energy released on oxidation of one mitochondrial NADH2, how much is stored in the form of ATP
1) 22.8 K.cal 2)7.6 K.cal 3) 15.2 K.cal 4) 686 K.cal
38. Study the following statements:
i. Dinitrogenase is denatured by oxygen
ii. Genetic code is ambiguous
iii. Peptide bond formation is catalysed by peptidyl transferase
iv. UAA is called amber
Identify the correct statements:
1) i, ii, iii 2) iii, iv 3) i, iii 4)i, iv
39. The connecting link between glycolysis and krebs cycle is the precursor for
1) Auxins 2) Cytokinins 3) Gibberlins 4) Ethylene
40. A fungicide which can also be used to check transpiration is
1) ABA 2) PMA 3) Silicon oil 4) Colourless plastics
KEY:
1. 3
2. 4
3. 3
4. 2
5. 2
6. 1
7. 4
8. 4
9. 1
10. 3
11. 4
12. 2
13. 3
14. 1
15. 4
16. 4
17. 3
18. 2
19. 1
20. 2
21. 3
22. 2
23. 2
24. 4
25. 4
26. 4
27. 3
28. 1
29. 2
30. 3
31. 1
32. 4
33. 3
34. 3
35. 2
36. 4
37. 2
38. 3
39. 3
40. 2
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