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251.

Historia Generalis Plantarum was published byA. Engler and PrantlB. HutchinsonC. Bentham & HookerD. John Ray

Answer» Correct Answer - D
252.

Common names areA. Non-scientificB. ScientificC. MorphologicalD. Universal with two specific names to each organism

Answer» Correct Answer - A
253.

The term corn is used in U.S.A. forA. MaizeB. WheatC. Wheat, Oat and RyeD. Both A and B

Answer» Correct Answer - C
254.

Who among the following is the father of botany?A. AristotleB. Carolous LinnaeusC. Robert HookeD. Theophrastus

Answer» Correct Answer - D
255.

Who among the following is the father of botany?A. AristotleB. TheophrastusC. Robert HookeD. Carolus Linnaeus

Answer» Correct Answer - B
Theopharastus is the father of batany.
256.

Father of lndian systemalic botanyA. R. mishraB. SantapauC. TheophrastusD. Linnaeus

Answer» Correct Answer - B
257.

Which is correct about common namesA. Easier to rememberB. Different in different languagesC. Universally recognisedD. All the above

Answer» Correct Answer - B
258.

At present, scientific names have been given toA. 10 million speciesB. 1. 7 million speciesC. 3.9 million speciesD. 1 million species

Answer» Correct Answer - B
259.

Who among the following is the father of botany?A. MendelB. LinnaeusC. KhoranaD. Engler

Answer» Correct Answer - B
260.

Principles and rules of classification are studied underA. systematicsB. Natural classificationC. NomenclatureD. Taxonomy

Answer» Correct Answer - D
261.

Which of the following has correct specific epithetA. Indica mangiferaB. Leo PantheraC. Canis familiarisD. Ascris

Answer» Correct Answer - C
262.

Specific epithet isA. First word in the scientific name of a speciesB. Second word in the scientifc name of a speciesC. Both A and BD. None of the above

Answer» Correct Answer - B
263.

Specific epithet isA. first word in the scientific, name of a speciesB. Second word in the scientific name of a specisC. Both A and BD. None of these

Answer» Correct Answer - b
264.

Principles and rules of classification are studied underA. SystematicsB. ClassificationC. TaxonomyD. Nomenclature

Answer» Correct Answer - C
265.

Find the odd one (w.r.t. species epithet).A. AdiantumB. TriticumC. ephedraD. deodara

Answer» Correct Answer - D
266.

The first step of taxonomy isA. AffinityB. IdentificationC. NomenclatureD. Classification

Answer» Correct Answer - B
267.

First step in taxonomy isA. description of the organismB. identification of the organismC. nomenclature of the organismD. classification of the organism.

Answer» Correct Answer - B
First step in taxonomy is identification of the organism. Identification is the finding of correct name and place of an organism according to some approved system of classification.
268.

Founder of binomial nomeclature wasA. LinnaeusB. MendelC. DarwinD. Lamarck.

Answer» Correct Answer - A
Binomial nomenclature namingsystem was given by Carolus Linnaeus. It is being paractised by biologists all over the world.
269.

Central National Herbarium is situated atA. ChennaiB. KolkattaC. DehradunD. Mumbai

Answer» Correct Answer - B
270.

The U.S. National Herbarium is situated inA. Los AngelesB. HollywoodC. WashingtonD. California

Answer» Correct Answer - C
271.

Each unit of a category of classification can be calledA. OrderB. CohortC. TaxonD. Tropic level

Answer» Correct Answer - C
272.

Lion and tiger are placed in the sameA. GenusB. FamilyC. OrderD. All of the above

Answer» Correct Answer - D
Lion ad tiger are placed in same six taxonomic categories from genus to kingdom but placed in different species.
273.

Botanical gardens mainly serve the purpose of providingA. beautiful area for recreationB. reservoir for tropical plantsC. ex situ conservation of germplasmD. natural habitat for widlife.

Answer» Correct Answer - C
Botancial gardens mainly serve the purpose of providing ex-situ conservation (conservation of selcted rare plants animals in places outside their natural homes) of endangered plant species.
274.

Select the correct statement from the followingA. Mutations are random and directionalB. Darwinian variations are small and directionlessC. Fitness is the end result of the ability to adapt and gets selected by natureD. All mammals except whales and camels have seven cervical vertebrae

Answer» Correct Answer - C
275.

Which of the following is not true for a species :A. Members of a species can interbreedB. Variations occur among members of a speciesC. Gene flow does not occur between the populations of a speciesD. Each species is reproductively isolated from every other species

Answer» Correct Answer - C
276.

Reproduction is synonymous with growth for which group of organisms?A. Multicellular filamentous organismsB. Colonial organismsC. Unicellular organismsD. All of the above

Answer» Correct Answer - C
277.

Biological organisation starts withA. sub-microscopic molecular levelB. cellular levelC. organismic levelD. atomic level

Answer» Correct Answer - A
(a) Biological organisation starts with sub-microscopic molecular level, where four types of molecules, i.e. Carbohydrates, lipids, proteins and nucleis acids are organised into organised into organelles of cell.
278.

A plant species shows several morphological variations in response to latitudinal gradient. When grown under similar conditions of growth, the morphological variations disappear and all the variants have common morphology. What are these variants called?

Answer» These variants are called biotypes It is a group of genetically similar plants showing similarity when grown in same environmental and geographical regions. The same environment provide them the similar abiotic factors like soil, pH, temperature, etc.
When they are grown in two different geographical regions, they are exposed to different abiotic characters thus, it affects their growth and development bringing changes in their external morphological features but, they have the same genetic constitution.
279.

single - celled eukaryotes are included inA. MoneraB. protistaC. fungiD. Archaea

Answer» Correct Answer - b
Angiosperms flowering plants constitute the dominating terrestrial flora of the world is world is known as spermatophyta.
280.

Family is placed betweenA. Order and genusB. Class and orderC. Phylum and classD. Genus and species

Answer» Correct Answer - A
Family is placed between order and genus.
281.

which one of the following is a not a correct statementA. A museum has collection of photographs of plants ad animals.B. Key is a taxonomic aid for identification of specimensC. Herbarium house dried, pressed ad preserved plants specimens.D. Botanical gardens have collection of living plants for reference.

Answer» Correct Answer - A
A museum does not have collection of photographs of plants and animals.
282.

Two animals A and B have similar morphological features and are fundamentally similar with each other, they must be treated asA. One biological speciesB. Two distinct speciesC. One biological generaD. Two distinct genera

Answer» Correct Answer - A
283.

Cat and dog are placed in which families respectivelyA. Felidae and HominidaeB. Muscidae and FelidaeC. Poaceae and CanidaeD. Felidae and Canidae

Answer» Correct Answer - D
284.

Taxonomical heirarchy was firstly given by Linnaeus. Which of the following categories are not used by Linnaeus?A. Phylum, family and varietyB. Family, variety and orderC. Kingdom, phylum and familyD. Class, order and phylum

Answer» Correct Answer - C
Taxonomical hierarchy was firstly given by Linnaeus. Kingdom, phylum and family categories are not used by Linnaeus.
285.

Four kingdom classification was proposed byA. WhittakerB. CopelandC. HaeckelD. Linnaeous

Answer» Correct Answer - b
Four kingdom ( plantae, animalia, protista and monera) classification was developed by copenland (1956) The main drawback of this system is tha t fungi are not properly placed.
286.

Wheat belongs to the familyA. AnacardiaceaeB. PhaeophyceaeC. PoaceaeD. Chlorophyceae

Answer» Correct Answer - C
Wheat belongs to family Poaceae.
287.

Study of ageing is calledA. cosmologyB. teratologyC. gerontologyD. senescence

Answer» Correct Answer - D
288.

The most important characteristic of living or- ganisms isA. multiplicationB. movementsC. growthD. reproduction

Answer» Correct Answer - D
289.

The scientist who first gave the dynamic concept of speciesA. Julian HuxleyB. LinnaeusC. LamarckD. John Ray

Answer» Correct Answer - C
290.

The two basic functions of life areA. energy transformation and synthesis of biomoleculesB. homeostasis and energy flowC. Both (a) and (b)D. None of the above

Answer» Correct Answer - A
291.

Correct hierarchy of levels of organisation isA. atoms `rarr ` molecules `rarr ` cell `rarr ` tissue `rarr ` individual `rarr ` ecosystem `rarr ` biosphereB. atoms `rarr` molecules cells `rarr` tissue `rarr` organs `rarr` individuals `rarr` ecosystem `rarr` biosphereC. atoms `rarr ` molecules`rarr ` cells `rarr ` tissue `rarr` organs `rarr` individual `rarr `population`rarr ` ec- osystem `rarr ` biosphereD. atom `rarr` molecule `rarr` cells `rarr` tissue `rarr` organs `rarr` and indviduals `rarr` populati on `rarr` community `rarr` ecosystem `rarr` biosphere

Answer» Correct Answer - D
292.

Which of the following is the correct representation of organisation levels in beings ?A. Subcellular `rarr` Cellular `rarr` Individual `rarr` Community `rarr` PopulationB. Atomic `rarr` Molecular `rarr` Subcellular `rarr` Cellular `rarr` Tissue `rarr` Organ system `rarr` IndividualC. Individual `rarr` Population `rarr` Organ system `rarr` Tissue `rarr` Cellular `rarr` Molecular `rarr` AtomicD. Atomic `rarr` Molecular `rarr` Tissue `rarr` Individual `rarr` Ecosystem `rarr` Community

Answer» Correct Answer - B
293.

Highest level of organisation isA. populationB. ecosystemC. communityD. biosphere

Answer» Correct Answer - D
294.

The chart shows the classification of two species of crocodile. To which order do these crocodiles belong?A. ChordataB. CrocodylidaeC. LoricataD. Reptilia

Answer» Correct Answer - C
295.

Why are the species considered dynamic groups and not static?

Answer» Sexual reproduction, a key point in the definition of a species, may produce offspring different from pare~ts due to mutation. This may change the species with time. Thus, the species are really dynamic groups and not static.
296.

In early times, which types of plants were classified ?A. medicinalB. economicalC. aesthetic valueD. ecological value

Answer» Correct Answer - A
297.

Organisms are classified toA. Know their distributionB. Establish relationshipsC. Know their major traitsD. Study evolution

Answer» Correct Answer - B
298.

A species is reproductively isolated fro the another species. The concept of reproductive isolation was given byA. LinnaeusB. AristotleC. E. MayrD. De Candole

Answer» Correct Answer - C
A species is reproductively isolated from the another species, The concept of reproductive isolation was given by E.Mayr.
299.

Holotype isA. Specimen used by author as nomenclature typeB. Specimen referred alongwith original descroptionC. Duplicate of nomenclature typeD. Specimen selected from original when nomenclature type is missing

Answer» Correct Answer - A
300.

Most of animals at present obtain their free energy fromA. reduction of organic moleculesB. oxidation of organic moleculesC. light through photosynthesisD. electricity and coal

Answer» Correct Answer - B