Among The Human Ancestors The Brain Size Was More Than 1000 Cc In?
a) Homo erectus b) Homo neanderthalensis c) Ramapithecus d) Homo habilis Answer: b) Homo neanderthalensis
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The Concept Of Chemical Evolution Is Based On?
a) Possible origin of life by combination of chemicals under suitable environmental conditions b) Interaction of water, air and clay... View Article
Industrial Melanism As Observed In Peppered Moth Proves That?
a) Melanism is a pollution-generated feature b) The melanic form of the moth has no selective advantage over lighter form... View Article
One Of The Important Consequences Of Geographical Isolation Is?
a) No change in the isolated fauna b) Preventing Speciation c) Random creation of new species d) Speciation through reproductive... View Article
The Finches Of Galapagos Islands Provide An Evidence In Favour Of?
a) Biogeographical Evolution b) Retrogressive Evolution c) Evolution due to Mutation d) Special Creation Answer: a) Biogeographical Evolution
The Living Organisms Can Be Unexceptionally Distinguished From The Non-living Things On The Basis Of Their Ability For?
a) Reproduction b) Responsiveness to touch c) Interaction with the environment and progressive evolution d) Growth and movement Answer: c)... View Article
When Two Species Of Different Genealogy Come To Resemble Each Other As A Result Of Adaptation, The Phenomenon Is Termed?
a) Convergent evolution b) Coevolution c) Divergent evolution d) Microevolution Answer: a) Convergent evolution
Ergot Of Rye Is Caused By A Species Of?
a) Claviceps b) Uncinula c) Ustilago d) Phytophthora Answer: a) Claviceps
Which Pair Of The Following Belongs To Basidiomycetes?
a) Puffballs and Claviceps b) Birds’ nest fungi and Puffballs c) Peziza and Stink horns d) Morchella and Mushrooms Answer:... View Article
Spore Dissemination In Some Liverworts Is Aided By?
a) Indusium b) Elaters c) Calyptra d) Peristome teeth Answer: b) Elaters
In Gymnosperms, The Pollen Chamber Represents?
a) An opening in the megagametophyte through which the pollen tube approaches the egg b) The microsporangium in which pollen... View Article
Flagellated Male Gametes Are Present In All The Three Of Which One Of The Following Sets?
a) Riccia, Dryopteris and Cycas b) Zygnema, Saprolegnia and Hydrilla c) Fucus, Marsilea and Calotropis d) Anthoceros, Funaria and Spirogyra... View Article
If You Are Asked To Classify The Various Algae Into Distinct Groups, Which Of The Following Characters You Should Choose?
a) Nature of stored food materials in the cell b) Types of pigments present in the cell c) Structural organization... View Article
Two Plants Can Be Conclusively Said To Belong To The Same Species If They?
a) Have more than 90 percent similar genes b) Can reproduce freely with each other and form seeds c) Look... View Article
In The Prothallus Of A Vascular Cryptogam, The Antherozoids And Eggs Mature At Different Times. As A Result?
a) Self fertilization is prevented b) There is high degree of sterility c) One can conclude that the plant is... View Article
Which One Of The Following Statements About Mycoplasma Is Wrong?
a) They are also called PPLO b) They are pleomorphic c) They cause diseases in plants d) They are sensitive... View Article
For A Critical Study Of Secondary Growth In Plants, Which One Of The Following Pairs Is Suitable?
a) Sugarcane and sunflower b) Deodar and fern c) Teak and pine d) Wheat and maidenhair fern Answer: c) Teak... View Article
Which One Of The Following Is A Slime Mould?
a) Thiobacillus b) Anabaena c) Physarum d) Rhizopus Answer: c) Physarum
Which One Of The Following Is Not A Constituent Of Cell Membrane?
a) Cholesterol b) Glycolipids c) Phospholipids d) Proline Answer: d) Proline
What Is Common To Whales, Seals And Sharks?
a) Thick subcutaneous fat b) Homoiothermy c) Seasonal migration d) Convergent evolution Answer: d) Convergent evolution
