EAMCET Practice Questions – Page 4

1. Study the following lists.
List I List II
(A) Lycopene I. Phaeophyceae
(B) α-Carotene II. Daucus Chillies
Fucoxanthin
(C) β-Carotene III. Tomato
(D) Capsanthin IV. Xanthophyceae V. Daucus
The correct match is
A B C D A B C D
1) I IV II V 2) II III V I
3) III I V II 4) III I IV II

2. The following pigments belong to a group of chemicals called terpenoids.
1) C40H56 2) C40H56O2
3) C55H72O5N4Mg, 4) C40H56O2, C40H56 C55H70O6N4Mg

3. Phytol is attached to the following part of Chlorophyll
1) 4th pyrole ring 2) Porphorin 3) 3rd pyrole ring 4) Mg

4. Lutein is-
1) Blue coloured pigment
2) Yellow coloured pigment
3) Brown coloured pigment
4) Orange coloured pigment

5. Aldehyde, Methyl groups are attached to the following chlorophyll types respectively-
1) 3rd carbon of 2nd pyrole ring of Chl-b, 2nd carbon of 3rd pyrole ring of Chl-a
2) 2nd carbon of 3rd pyrole ring of Chl-b, 2nd carbon of 2nd pyrole ring of Chl-a
3) 3rd carbon of 2nd pyrole ring of Chl-a, 3rd carbon of 2nd pyrole ring of Chl-b
4) 3rd carbon of 2nd pyrole ring of Chl-b, 3rd carbon of 2nd pyrole ring of Chl-a

6. Assertion (A): Carotenoids and Phycobilins constitute Accessory pigments.
Reason (R): These pigments trap the radiant energy and transfer to chlorophyll – a and chlorophyll – b.
1) Both (A) and (R) are true and (R) is the correct explanation of (A)
2) Both (A) and (R) are true but (R) is not the correct explanation of (A)
3) (A) is true, but (R) is false
4) (A) is false, but (R) is true

7. Environment (atmosphere) is cleaned by green plants during-
1) Day and Night 2) Day 3) Night 4) Never

8. Chlorophylls are protected by the following from photo oxidation or photo bleaching
1) Sunlight 2) Accessory pigments 3) Water 4) CO2

9. The equation regarding photosynthesis in Bacteria is-
1) 6CO2 + 12H2S → C6H12O6+6H2O+12S
2) 6CO2 + 12H2O → C6H12O6+6H2O+6O2
3) CO2 + H2S → 2S+CH2O+H2O
4) 6CO2 + 6H2S → C6H12O6+6H2O+6S

10. Photosynthesis is-
1) Anabolic, Reduction, Exergonic reaction
2) Anabolic, Oxdiation, Endergonic reaction
3) Anabolic, Reduction, Endergonic reaction
4) Catabolic, Reduction, Exergonic reaction

11. Photosynthetic bacteria release-
1) Sulphur 2) Oxygen 3) H2O 4) C6H12O6

12. Unit of Photosynthesis is
1) Chlorophyll 2) LHC 3) Photosystem 4) P700

13. In Eukaryotic photosynthetic cells water is formed and used in photosynthesis. In Bacterial photosynthesis water is
1) Neither used not formed
2) Formed but not used
3) Not formed but used
4) Used and formed

14. During photosynthes is
1) CO2 is taken first, O2 is released next
2) O2 is taken first, CO2 is released later
3) O2 is released first, CO2 is taken later
4) Taking CO2 and releasing of O2 occur simultaneously

15. The specific function of light energy in the process of photosynthesis is to
1) Activate chlorophyll
2) Split water
3) Reduce CO2
4) Synthesise Glucose

16. Spectrophotometer is useful to measure
1) The amount of light used to produce one molecule of Glucose
2) The amount of light required to split one H2O molecule
3) The light absorbed by pigments at different wave lengths
4) The amount of Glucose produced per unit time.

17. Maximum photosynthesis occurs in
1) Sun light 2) Infra red light
3) Blue light 4) Red light

KEY : 1-3; 2-4; 3-1; 4-2; 5-4; 6-3; 7-2 8-2; 9-1; 10-3; 11- 1; 12-3; 13-2; 14-3; 15-1; 16-3; 17-4.

1. These are locomotory structures of the protozoans.
A) Pentacronematikc flagellum
B) Reticulopodia
C) Acronematic flagellum
D) Filopudia
Which of the following protozoans possess above mentioned locomotory structures respectively?
1) Urcoelus, Entamoeba, Chilomonas, Actinophrys
2) Urcoelus, Collozoum, Euglena, Amoeba
3) Urcoelus, Globigerina, Chlamydomonas, Englypha.
4) Actinophrys, Monas, Urcoelus, Elphidium.

2. A flagellum may show all of the following types of movements, except:
1) metaboly 2) undular 3) sidewise lash 4) spiral gyration

3. Lateral appendages of flagellum are:
1) singlet and doublet microtubules of the axoneme.
2) radial spokes and dynein arms of the axoneme.
3) flimmers and mastigonemes.
4) basal grannule and rootlets

4. If the lateral appendages and terminal naked axial filament are removed from pantacronematic flagellum, then it would become as:
1) Stichonematic 2) Pantonematic 3) Acronematic 4) Anematic

5. During conjugation of vorticella, new macronuclei in the daughter vorticella, are formed from.
1) micronucleus of macroconjugant directly prior to post conjugation fissions.
2) micronucleus of microconjugant immediately after prezygotic nuclear divisions.
3) migratory pronucleus of macrocongjugant during amphimix is.
4) Synkaryon in the macroconjugant or zygote between the periods of post zygotic nuclear disisions and series of post conjugation
fissions.

6. Multinucleate daughter individuals are formed by coytoplasmic divisions without nuclear division in:
1) Amoeba 2) Vorticella 3) Opalina 4) Acineta

7. Total number of postzygotic nuclear divisions occuring during conjugation of vorticella is:
1)5 2)7 3)6 4)9

8. Which of the following method is responsible for genetic recombination and nuclear reorganization?
1) Plasmotomy 2) Gemmation 3) Multiple Fission 4) Conjugation

9. During conjugation of vorticella, the microconjugant would be formed by the process of:
1) Longitudinal binary fission
2) Transverse binary fission
3) Multiple fission
4) Plasmotomy

10. Undulatory movement of the flagellum from base to the tip results in:
1) Pulling the organism forward
2) Pushing the organism backward
3) Pulling the organism backward
4) Pushing the organism forward

11. Ciliates show:
1) 9+4 organization of microtubules in their cilia.
2) zones of gelation and solation during locomotion.
3) undulatory movements by cilia
4) newromotor system.

12. Match the items of both colums correctly.
Column I Column II
(Name of organism) (Number of flagella)
1. Giardia a) one
2. Ceratium b) many
3. Trypnosoma c) two
4. Trichonympha d) eight
The correct answer is:
1) 1-c; 2-d; 3-b; 4-a 2) 1-d; 2-c; 3-b; 4-a
3) 1-d; 2-c; 3-a; 4-b 4) 1-a; 2-b; 3-c; 4-d

13. This type of prendopodium in the protozoans exhibits monopudial condition.
1) Lobopodium 2) Axopodium 3) Filopodium 4) Myxopudium

14. Abount conjugation in Vorticella, what are the correct statements?
i) only microconjugant acquires a girdle of aboral citia during the process of conjugation.
ii) Only genetic recombination occurs in both nuclei of vorticella after completion of conjugation.
iii) Exactly seven macro nuclei are formed in the zygote as a result of post – zygotic nuclear divisions.
The correct answer is:
1) i and iii 2) ii and iii 3) i and ii 4) only i

15. Read the following structuras of Euglena:
a) Nuclers b) Flagella
c) Chloroplasts d) Stigma
e) Paraflagellar body.
Which of above structurs are retained by one of the two daughter individuals of Euglena during binary fission?
Choose the correct answer:
1) c, d, and e 2) a, c, and e 3) a and b 4) ‘b’ only

KEY : 1-3; 2-1; 3-3; 4-4 5-4; 6-3; 7-2; 8-4; 9-1; 10-2; 11-4; 12-3; 13-1; 14-1; 15-4.

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