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101.

Who wrote species plantarum ?A. LinnaeusB. MayrC. BenthamD. Aristotle

Answer» Correct Answer - A
102.

Black rust of wheat is caused byA. Ustilago nudaB. Puccinia graminisC. Xanthomonas oryzaeD. Alternaria solani

Answer» Correct Answer - B
103.

Which scientist did work on rust disease ?A. Lederberg and tatumB. K.C.MehataC. BlakesleeD. Wollman

Answer» Correct Answer - B
104.

Edible part in mushroom is :-A. BasidiosporesB. MyceliumC. PseudomyceliumD. Complete basidiocarp

Answer» Correct Answer - D
105.

Ethanol is commercially produced through a particular species of:-A. SaccharomycesB. ClostridiumC. TrichodermaD. Aspergillus

Answer» Correct Answer - A
106.

Among rust, smut and mushroom, all the threeA. are pathogenB. are saprobesC. bear ascocarpD. Basidiomycetes

Answer» Correct Answer - D
107.

Which of the following statement is true for algae?A. Algae have root, stem and leavesB. Algae have true roots but lack of leavesC. Alga have rhizoides and leavesD. Body of algae is thallus

Answer» Correct Answer - D
108.

Biological concept of species is given by :-A. AristotleB. BenthamC. KochD. Mayr

Answer» Correct Answer - A
109.

Mayr proposed which type of concept of speciesA. Taxononic conceptB. Biological conceptC. Taxonomic and Biological conceptD. Genetic concept

Answer» Correct Answer - B
110.

Ergot is obtained fromA. ClavicepsB. PhytophthoraC. UncinulaD. Ustilago

Answer» Correct Answer - A
111.

One gene - one enzyme relationship was established for the first time onA. Diplococcus pneumoniaeB. Neurospora crassaC. Salmonella typhimuriumD. Escherichia Coli

Answer» Correct Answer - B
112.

Armoured algae are :-A. DinoflagellatesB. EuglenoidsC. Red algaeD. Cyanobacteria

Answer» Correct Answer - A
113.

Taxonomically the most controversal group is :-A. DinoflagellatesB. DiatomsC. EuglenoidsD. Prokaryote

Answer» Correct Answer - C
114.

Unlike other algae, diatoms do not readily decay due toA. They have water proof cellsB. Their walls are mucillagenousC. They have highly siliceous wallD. They are non living

Answer» Correct Answer - C
115.

Most characteristic feature of diatoms is :-A. PigmentsB. Stored foodC. Cell wallD. Non oxygenic photosynthesis

Answer» Correct Answer - C
116.

Shell of diatoms is made up of :-A. SilicaB. Calcium carbonateC. KeratinD. Calcium oxalate

Answer» Correct Answer - A
117.

"Keiselgurh" a heat resistant material is obtained from :-A. Red AlgaeB. Brown AlgaeC. DiatomsD. Fungi

Answer» Correct Answer - C
118.

"Diatomite" (Keiselgurh) is obtained from :-A. MyxophyceaeB. ChrysophytaC. PhaeophyceaeD. Rhodophyceae

Answer» Correct Answer - B
119.

Systematics deal swith :-A. ClassificationB. NomenclatureC. Plant descriptionD. identification

Answer» Correct Answer - C
120.

Bluee green algae can photosynthesis due to presence of:-A. HeterocystB. AkinetesC. ChromatophoreD. Leghaemoglobin

Answer» Correct Answer - C
121.

Which statement is true about bryophytes ?A. They are non photosyntheticB. Zygote produces gametophyte on germinationC. Spores form gametophyte plant on germinationD. They have vascular tissue

Answer» Correct Answer - C
122.

Bryophytes are :-A. SciophytesB. HeliophytesC. HalophytesD. Xerophytes

Answer» Correct Answer - A
123.

Which bryophyta is of economic importance ?A. FunariaB. MarchantiaC. RicciaD. Sphagnum

Answer» Correct Answer - D
124.

Which character most differentiates angiosperms from gymnosperms ?A. Triploid endospermB. Vessels in xylemC. Seeds enclosed in fruitsD. Attractive petels

Answer» Correct Answer - C
125.

____ is the most common method of reproduction in bacteria.A. BuddingB. Binary fissionC. TransductionD. Conjugation

Answer» Correct Answer - B
126.

Archaebacterial cell lacks :-A. PeptidoglycanB. DNAC. RibosomesD. Branched Chain Lipids

Answer» Correct Answer - A
127.

Which one have maximum power of adaptation ?A. BryophytaB. PteridophytaC. GymnospermD. Angiosperm

Answer» Correct Answer - D
128.

All fungi are :-A. SymbiontsB. ParasitesC. SaprophytesD. Heterotrophs

Answer» Correct Answer - D
129.

All Gymnosperms are :-A. HeterosporousB. ArborescentC. Seed plantsD. All the above

Answer» Correct Answer - D
130.

In Pinus, endosperm cells have 30 chromosomes then how many chromosomes are present in sieve cells :-A. 30B. 60C. 10D. 15

Answer» Correct Answer - B
131.

Which one one of the following matches is correct?

Answer» Correct Answer - 3
132.

In which of the following, gametophyte is not independent in free living ?A. MarchantiaB. PterisC. PinusD. Funaria

Answer» Correct Answer - C
133.

Living fossil:-A. CycasB. GinkgoC. PsilotumD. All the above

Answer» Correct Answer - D
134.

Bacteriophages are generally:A. ss DNA virusB. ds DNA virusC. ss RNA virusD. ds RNA virus

Answer» Correct Answer - B
135.

Which of the following is not found in algae?A. MeiosisB. EmbryoC. ZygoteD. Fertilization

Answer» Correct Answer - B
136.

In Chaldophora isogametes are:-A. Non flagillatedB. Single flagellatedC. BiflagellatedD. Multiflagellated

Answer» Correct Answer - C
137.

Largest Botanical garden, Indian Botanical Garden and National Botanial Research Instititute are situted respectively at:-A. Kew, Lucknow, HowrahB. Kew, Howarh, LucknowC. Lucknow, Howarh, KewD. Howarh, Lucknow, Kew

Answer» Correct Answer - B
138.

At which place bacteria are not foundA. SoilB. IceC. SeaD. Distilled water

Answer» Correct Answer - D
139.

Souring of milk is due to -A. Aerobic bacteriaB. Anaerobic bacteriaC. BothD. None

Answer» Correct Answer - C
140.

Feritlity of soil is increase byA. Nitrogen - fixing bacteriaB. Denitrifying bacteriaC. PlasmalemmaD. Cell membrane

Answer» Correct Answer - A
141.

Plant pathogenic bacteria are :-A. Gram positiveB. Gram negativeC. BothD. None

Answer» Correct Answer - C
142.

Enzymes are not found inA. FungiB. AlageC. VirusD. Cyanobacteria

Answer» Correct Answer - B
143.

Assertion: Binomial nams are latinsed or derived from latin irrespective of their origin. Reasons: Latin is a dead language, so used by scholarsA. If both assertion and Reason are true and the reason is a correct explanation of the assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion and Reason are False.

Answer» Correct Answer - A
144.

Gymnosperm plants lack :-A. VesselsB. FruitsC. Companion cellsD. All the above

Answer» Correct Answer - D
145.

the ovule of an angiosperm is technically equivalent toA. MegasporeB. MegasporangiumC. MicrosporeD. Megasporophyll

Answer» Correct Answer - B
146.

Cones in Gymnosperm plants are :-A. BisexualB. UnisexualC. SterileD. Any of the above

Answer» Correct Answer - B
147.

Normally how many ascopsores are formed in an ascus :-A. 4-ascosporesB. 8-ascosporesC. 16 ascosporesD. 24 ascospores

Answer» Correct Answer - B
148.

Which of the following system of classfication is based on gross morphology of plants?A. Natural systemB. Artificial systemC. Practical systemD. All system

Answer» Correct Answer - A
149.

Family is placed betweenA. Genus and speciesB. Order and classC. Class and genusD. Order and gensu

Answer» Correct Answer - D
150.

The main difference between Gram positive and Gram negative bacteria lies in the composition ofA. CiliaB. Cell-wallC. Cell-membraneD. Cytoplasm

Answer» Correct Answer - B