1. Wings of sparrows and flying squirrels are
1. Homologous characters that resulted from convergent evolution
2. Homologous characters that resulted from divergent evolution
3. Analogous characters that resulted from convergent evolution
4. Analogous characters that resulted from divergent evolution
2. Name of the basic taxonomic unit was coined by a
1. British naturalist
2. Sweedish botanist
3. Greek scholar
4. French biologist
3. Author of Systema Naturae is the father of
1. Taxonomy
2. Genetics
3. Evolution
4. Ecology
4. Homologous organs are shared by a pair of organisms due to
1. convergent evolution from common ancestors
2. divergent evolution from common ancestors
3. convergent evolution from different ancestors
4. divergent evolution from different ancestors
5. Study the following:
A. Father of British Natural History.
B. Author of Historia Generalis Plantarum.
C. Coined the term species.
D. Differentiated between genus and species.
Which of the above are applicable to John Ray?
1. A, B and C
2. A, B and D
3. B, C and D
4. All
6. Arrange the following in ascending order:
A. Number of animal species that have been identified and described so far
B. Number of animals recorded in Vedic literature
C. Number of plants listed in Species Plantarum
D. Number of plants recorded in Vedic literature
E. Number of plants and animals described in Historia Generalis Plantarum
F. Number of species of organisms described so far
1. BDCEAF
2. DBCEFA
3. BDECAF
4. BCDEAF
7. Consider the following statements:
I. Father of Taxonomy is the Founder of Modern Systematics.
II. Father of British Natural History is the father of evolution.
III. Author of Species Plantarum is the father of Taxonomy.
Which of the above are true?
1. Only I and II
2. Only II and III
3. Only I and III
4. All are true
8. Animals were classified on the basis of presence or absence of blood by
1. Linnaeus
2. Aristotle
3. Pliny
4. Cuvier
9. Linnaeus divided animalia into
1. Ameia and Anaemia
2. Quadrupedes, Birds and Amphibia
3. Aquatilia, Terrestria and Volatilia
4. Insects, Fishes, Birds and Whales
10. Who arranged animals into Insects, Fishes, Birds and Whales?
1. Aristotle
2. Pliny
3. Linnaeus
4. Hippocrates
11. Assertion (A): Earlier taxonomists followed artificial classification but not natural classification.
Reason (R): The idea of classification was established before evolution was understood.
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.
12. Assertion (A): Linnaeus tried an artificial system of classification.
Reason (R): His system of classification is based on the idea that species show different degrees of mutual relatedness.
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.
13. Homologous organs are followed in this classification
1. Artificial classification
2. Evolutionary classification
3. Numerical classification
4. Linnaean classification
14. The method of representing phylogeny by means of trees or branching diagrams was introduced by the scientist who also introduced the term
1. Evolution
2. Genetics
3. Taxonomy
4. Ecology
15. Consider the following statements:
I. It is based on many characters, with equal weightage to all.
II. It summarized the genetic distance between all the species.
III. Quite unrelated animals come under one category.
IV. It does not consider phylogeny.
Which of the above are applicable to numerical classification?
1. I only
2. I, III and IV
3. I and IV only
4. I, II and IV only.
Entamoeba histolytica - Structure
16. Consider the following statements about Entamoeba histolytica:I. It has a vesicular and cart-wheel like nucleus.
II. A small endosome or nucleolus lies in the centre of the nucleus.
III. Minute beads attached to the inner surface of the nuclear membrane are made up of chromatin.
IV. Chromatin filaments that radiate like spokes of a wheel from endosome to the inner surface of nuclear membrane constitute most of the chromatin.
Which of the above are true?
1. All except I
2. All except III
3. All except IV
4. All are true.
17. Assertion (A): Entamoeba histolytica is a monopodial form.
Reason (R): It completes its life cycle in a single host.
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.
18. The name Entamoeba was proposed by
1.Lambell
2. Shortt and Garnham
3. Losch
4. Cosagrandi and Barbogallow
19. Entamoeba histolytica dissolves tissues by releasing
1. Proteolytic enzymes called haemolysins
2. Lipolytic enzymes called histolysins
3. Proteolytic enzymes called histolysins
4. Lipolytic enzymes called haemolysins
20. Study the following:
A. Sarcomastigophora B. Entamoeba C. Rhozopodea D. histolytica E. Protozoa
Arrange the above taxa from lower to higher level
1.E A C B D
2. D B A C E
3. D B E C A
4. D B C A E
21. In the nucleus of Entamoeba histolytica, much of the chromatin occurs in the form of
1. spokes of wheel
2. endosome
3. minute beads
4. nuclear membrane
22. Pathogenic stage of Entamoeba histolytica is
1. tetranucleate cyst
2. sporozoite
3. trophozoite
4. metacystic form
23. Entamoeba histolytica is
1. monoxenous, histozoic, and pathogenic ectoparasite
2. monogenetic, histozoic, and pathogenic endoparasite
3. monoxenous, cytozoic, and pathogenic endoparasite
4. monogenetic, histozoic, and non-pathogenic endoparasite
24. Assertion (A): Entamoeba histolytica is an obligate anaerobe.
Reason (R): Mitochondria are absent in Entamoeba histolytica.
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.
25. Trophozoite of Entamoeba histolytica has
1. many short blunt and fingerlike pseudopodia
2. single short blunt and fingerlike pseudopodium
3. single short filamentous pseudopodium
4. single long blunt and fingerlike pseudopodium
KEY
1-3; 2-1; 3-1; 4-2; 5-4; 6-1; 7-3; 8-2; 9-2; 10-4;11-1; 12-2; 13-2; 14-4; 15-3; 16-3; 17-2; 18-4; 19-3; 20-4;
21-3; 22-3; 23-2; 24-2; 25-2
More Questions to be published on 5th July 9.00 a.m.
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