Part II\u00a0<\/span><\/p>\n11th Bio Zoology Guide The Living World Additional Important Questions and Answers<\/h3>\n
Question 1.
\nBiodiversity is
\na. A species live in a particular ecosystem.
\nb. Presence of a large number of species in a particular ecosystem.
\nc. A species live in a different ecosystem.
\nd. Many species live in more than one ecosystem.
\nAnswer:
\nb. Presence of a large number of species in a particular ecosystem.<\/p>\n
Question 2.
\nAristotle has classified organisms based on the following category of locomotion.
\na. Walking & bore dwellers
\nb. Flying & arboreal
\nc. Swimmers & aquatic
\nd. All the above.
\nAnswer:
\nc. Swimmers & aquatic
\nd. All the above.<\/p>\n
<\/p>\n
Question 3.
\nWho is “Father of Botany”?
\na. Theophrastus
\nb. John Ray
\nc. Carolus Linnaeus
\nd. Aristotle
\nAnswer:
\na. Theophrastus<\/p>\n
Question 4.
\nWhose researchers confirm that species is a fundamental unit of classification.
\na. John Ray
\nb. R.H. Whittaker
\nc. CarlWoese
\nd. Cavalier-Smith
\nAnswer:
\na. John Ray<\/p>\n
<\/p>\n
Question 5.
\nFind the correct pair.
\n1. Domestic Cat – Felis silvestris
\n2. Wildcat – Felis margarita
\n3. Wildcat – Felis Domestica
\n4. Tiger – Panthera tigers
\nAnswer:
\n4. Tiger – Panthera tigers<\/p>\n
Question 6.
\nWho has developed binomial nomenclature.
\na. Carolous Linnaeus
\nb. Augustin
\nc. Aristotle
\nd. Ernst Haeckel
\nAnswer:
\na. Carolous Linnaeus<\/p>\n
<\/p>\n
Question 7.
\nFind the unrelated pair.
\na. Carl Woese – Trinominal hypothesis
\nb. Cavalier-Smith – Seven kingdom system
\nc. Male Lion and female Tiger results in – Hinny
\nd. Male Tiger and female Lion results in – Tigon
\nAnswer:
\nc. Male Lion and female Tiger results in – Hinny<\/p>\n
Question 8.
\nThe three domains classification is based on the difference in the gene.
\na. 60s rRNA
\nb. 70s rRNA
\nc. l6s rRNA
\nd. m RNA
\nAnswer:
\nc. l6s rRNA<\/p>\n
<\/p>\n
Question 9.
\nThe prokaryotes that produce methane gas belongs to …………………… kingdom.
\na. Monera
\nb. Eukarya
\nc. Bacteria
\nd. Archaea
\nAnswer:
\nd. Archaea
\nQuestion 10.
\nFind out the correct sequence by matching.
\nA. Augustin Pyramus de Candole – Father of Botany
\nB. Aristotle – Father of Modern Taxonomy
\nC. Carolous Linnaeus – Father of Taxonomy
\nD. Theophrastus – Introduces Taxonomy
\nAnswer:
\nD. Theophrastus – Introduces Taxonomy<\/p>\n
<\/p>\n
Question 11.
\nCrosses between animals – Match.
\nA. Male Horse + Female Donkey – Tigon
\nB. Male Donkey + Female Horse – Tiger
\nC. Male Lion + Female Tiger – Mule
\nD. Male Tiger + Female Lion – Hinny
\na) A-II, B -1, C – IV, D – III
\nb) A-IV, B -1, C – II, D – III
\nc) A-I, B-II, C-III, D-IV
\nd) A-IV, B-I, C-II, D-III
\nAnswer:
\nA-II, B -I, C – IV, D – III<\/p>\n
Question 12.
\nThree domain classification was proposed by:
\na. Cavalier-Smith
\nb. R.H. Whittaker
\nc. Carolus Linnaeus
\nd. Carl Woese
\nAnswer:
\nd. Carlwoese<\/p>\n
<\/p>\n
Question 13.
\nFind out the wrong pair
\na. Peacock – Pavocristatus
\nb. Tiger – Pantheratigeris
\nc. Man -Homosapiens
\nd. Domestic crow – Salcopopsindica
\nAnswer:
\nd. Domestic crow – Salcopopsindica<\/p>\n
Question 14.
\nFind the correct match.
\n1. John ray -a. Five kingdom concept
\n2. Linnaeus -b. Cladogram
\n3. Ernest Haeckel -c. Binomial nomenclature
\n4. R.H. Whittaker – d. Methodus Plantarum
\na. 1 -d,2-c,3-b,4-a
\nb. 1-a,2-b,3-c,4-d
\nc. 1 – c, 2 – a, 3 – b, 4 – d
\nd. 1 – d, 2 – c, 3 – a, 4 – b
\nAnswer:
\na. 1 -d,2-c,3-b,4-a<\/p>\n
\nQuestion 15.
\nWhere are the 80s and 70s ribosomes seen in Eukaryotic cells?
\na. Cytoplasm – Chloroplast
\nb. Mitochondrial – Golgi apparatus
\nc. Chloroplast – Endo plasm reticulum
\nd. Nucleus – Lysosomes
\nAnswer:
\na. Cytoplasm – Chloroplast<\/p>\n
( 2 marks)<\/span><\/p>\nII. Very Short Questions<\/span><\/p>\nQuestion 1.
\nClassification of organisms is necessary.
\nAnswer:
\nClassification of organisms is necessary to recognize, identify them, and differentiate closely related species.<\/p>\n
Question 2.
\nWhat are the unique characteristic features of living organisms?
\nAnswer:<\/p>\n
\n- Cellular organization<\/li>\n
- Nutrition<\/li>\n
- Respiration<\/li>\n
- Metabolism<\/li>\n
- Movement<\/li>\n
- Reproduction<\/li>\n
- Excretion<\/li>\n
- Homeostasis<\/li>\n<\/ul>\n
<\/p>\n
Question 3.
\nThe mating between different species produces sterile offsprings.
\nAnswer:
\nThe maternal and paternal chromosomes of the offsprings produced by the mating between different species are not identical and hence gametes are not produced by meiotic division.<\/p>\n
Question 4.
\nWhat are the scientific stages of taxonomy?
\nAnswer:<\/p>\n
\n- Characterization<\/li>\n
- Identification<\/li>\n
- Nomenclature<\/li>\n
- Classification<\/li>\n<\/ul>\n
<\/p>\n
Question 5.
\nWhy are molecular tools used now to study taxonomy?
\nAnswer:
\nMolecular tools are accurate and authentic. Hence they are used to study taxonomy.<\/p>\n
Question 6.
\nWhat is phylogenetic or cladistics classification?
\nAnswer:
\nIt is a classification based on evolution and genetic relationship.<\/p>\n
Question 7.
\nWhat is the phylogenetic tree?
\nAnswer:
\nIt’s a method of representing evolutionary relationships with the help of a tree diagram known as a cladogram.<\/p>\n
<\/p>\n
Question 8.
\nWhat is a cladogram?
\nAnswer:
\nArranging organisms on the basis of their similar or derived characters produced a phylogenetic tree or cladogram.<\/p>\n
Question 9.
\nWhat are the three domains of life indicate?
\nAnswer:
\nThis system emphasizes the separation of prokaryotes into two domains.<\/p>\n
Question 10.
\nHow Archaea differ from bacteria?
\nAnswer:
\nIf differs in cell wall composition and in membrane composition and rRNA type.<\/p>\n
<\/p>\n
Question 11.
\nWhat is the seven taxonomic hierarchy?
\nAnswer:<\/p>\n
\n- Kingdom<\/li>\n
- Phyla<\/li>\n
- Class<\/li>\n
- Order<\/li>\n
- Family<\/li>\n
- Genus<\/li>\n
- Species<\/li>\n<\/ol>\n
Question 12.
\nDefine species?
\nAnswer:
\nIt is a group of animals having similar morphological features and is reproductively isolated to produce fertile offspring.<\/p>\n
<\/p>\n
Question 13.
\nDefine ‘Family’?
\nAnswer:
\nIt is a taxonomic category which includes a group of related genera with less similarity as compared to genus and species.<\/p>\n
Question 14.
\nDefine order?
\nAnswer:
\nOrder is an assemblage of one or more related families which show few common features. (Eg) Family Candiae and Felidae are placed in the order Carnivora.<\/p>\n
Question 15.
\nDefine class.
\nAnswer:
\nClass includes one or more related orders with some common characters.<\/p>\n
Question 16.
\nDefine Phylum.
\nAnswer:
\nThe group of classes with similar distinctive characteristics constitute phylum.<\/p>\n
Question 17.
\nDefine animal kingdom.
\nAnswer:
\nAll living animals belonging to various phyla are included in the kingdom.<\/p>\n
<\/p>\n
Question 18.
\nWhat are the features that we have to keep in mind in naming them scientifically?
\nAnswer:<\/p>\n
\n- Morphology<\/li>\n
- Genetic information<\/li>\n
- Habitat<\/li>\n
- Feeding pattern<\/li>\n
- Adaptations<\/li>\n
- Evolutions<\/li>\n<\/ul>\n
Question 19.
\nOn whose guidelines naming animals in a scientific way is done?
\nAnswer:
\nThe naming of the organism is based on the guidelines of the international code of Zoological nomenclature.<\/p>\n
Question 20.
\nWhat are taxonomical keys?
\nAnswer:
\nKeys are based on a comparative analysis of the similarities and dissimilarities of organisms. There are separate keys for different taxonomic categories.<\/p>\n
<\/p>\n
Question 21.
\nWhat is a museum?
\nAnswer:
\nBiological museums have a collection of preserved plants and animals for study and ready reference.<\/p>\n
Question 22.
\nDefine Zoological parks.
\nAnswer:
\nThese are places where wild animals are kept in protected environments under human care.
\nIt enables us to study their food habits and behaviour.<\/p>\n
Question 23.
\nWhat are marine parks?
\nAnswer:
\nMarine organisms are maintained in protected environments.<\/p>\n
Question 24.
\nWhat are printed taxonomical tools?
\nAnswer:<\/p>\n
\n- Identification cards<\/li>\n
- Description<\/li>\n
- Field guides<\/li>\n
- Manuals<\/li>\n<\/ul>\n
<\/p>\n
Question 25.
\nWhat is the phylogenetic tree?
\nAnswer:
\nIt is the inferred evolutionary relationships upon similarities and differences in their physical or genetic characters.<\/p>\n
Question 26.
\nDefine phylogeny.
\nAnswer:
\nRelationships among various biological species based upon similarities and differences in their physical or genetic characteristics.<\/p>\n
Question 27.
\nWhat are shared characters?
\nAnswer:
\nA shared character is one that two lineages have in common.<\/p>\n
<\/p>\n
Question 28.
\nWhat are derived characters?
\nAnswer:
\nDerived character is one that evolved in the lineage leading up to a clade.<\/p>\n
Question 29.
\nVandaloor Zoological park.
\nAnswer:<\/p>\n
\n- It is situated in the South-Western Part of Chennai.<\/li>\n
- It spreads over an area of 1500 acres.<\/li>\n
- It is one of the largest zoological parks in India.<\/li>\n
- The Zoo houses 2553 species of both flora and fauna.<\/li>\n<\/ul>\n
( 3 marks)<\/span><\/p>\nIII. Short Questions <\/span><\/p>\nQuestion 1.
\nDefine ecosystem.
\nAnswer:
\nThe ecosystem is defined as a community of living organisms (plants and animals), non-living things (minerals, climate, soil, sunlight, and water), and their interrelationships, e.g. Forest and grassland.<\/p>\n
Question 2.
\nOn which criteria the systematic classification is done?
\nAnswer:<\/p>\n