Product Of Sexual Reproduction Generally Generates?
a) large biomass b) new genetic combination leading to variation c) prolonged dormancy d) longer viability of seeds Answer: b)... View Article
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The First Stable Product Of Fixation Of Atmosphere Nitrogen In Leguminous Plants Is?
a) NO3- b) NO2- c) Glutamate d) Ammonia Answer: d) Ammonia Product of fixation of N2 in leguminous plants by... View Article
Which Of The Following Criteria Does Not Pertain To Facilitated Transport?
a) requirement of special membrane proteins b) uphill transport c) high selectivity d) transport saturation Answer: b) uphill transport
During Seed Germination Its Stored Food Is Mobilized By?
a) ABA b) Cytokinin c) Gibberellin d) Ethylene Answer: c) Gibberellin Explanation: Gibberellins have the function of breaking seed dormancy... View Article
The Most Abundant Intracellular Cation Is?
a) Ca++ b) Na+ c) K+ d) H+ Answer: c) K+ Explanation: K+ is the most abundant intracellular fluid whereas... View Article
The Complex Formed By A Pair Of Synapsed Homologous Chromosomes Is Called?
a) Kinetochore b) Equatorial plane c) Axoneme d) Bivalent Answer: d) Bivalent Explanation: The homologous chromosomes are paired and synapse... View Article
A Major Site For Synthesis Of Lipids Is?
a) RER b) SER c) Nucleoplasm d) Symplast Answer: b) SER Explanation: SER is the site of synthesis for lipids.
Pigment-containing Membranous Extensions In Some Cyanobacteria Are?
a) basal bodies b) chromatophores c) heterocysts d) pneumatophores Answer: b) chromatophores Explanation: In cyanobacteria, the photosynthetic pigment is seen... View Article
A Phosphoglyceride Is Always Made Up Of?
a) a saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule... View Article
Transition State Structure Of The Substrate Formed During An Enzymatic Reaction Is?
a) permanent but unstable b) transient but stable c) permanent and stable d) transient and unstable Answer: d) transient and... View Article
Seed Coat Is Not Thin Membranous In?
a) coconut b) gram c) maize d) groundnut Answer: b) gram Explanation: Due to the presence of sclereids, the seed... View Article
Age Of A Tree Can Be Estimated By?
a) biomass b) diameter of its heartwood c) number of annual rings d) its height and girth Answer: c) number... View Article
Lenticels Are Involved In?
a) gaseous exchange b) photosynthesis c) transpiration d) food transport Answer: a) gaseous exchange Explanation: Lenticels are involved in the... View Article
In China Rose The Flowers Are?
a) actinomorphic, hypogynous with twisted aestivation b) actinomorphic, epigynous with valvate aestivation c) zygomorphic, epigynous with twisted aestivation d) zygomorphic,... View Article
Interfascicular Cambium Develops From The Cells Of?
a) endodermis b) medullary rays c) pericycle d) xylem parenchyma Answer: b) medullary rays Explanation: Interfascicular cambium is developed from... View Article
Among Bitter Gourd, Mustard, Brinjal, Pumpkin, China Rose, Lupin, Cucumber, Sunn Hemp, Gram, Guava, Bean, Chilli, Plum, Petunia, Tomato, Rose, Withania, Potato, Onion, Aloe And Tulip How Many Plants Have A Hypogynous Flower?
a) eighteen b) fifteen c) ten d) six Answer: b) fifteen Explanation: Brinjal, mustard, chinarose, chili, tomato, petunia, withania, onion,... View Article
Megasporangium Is Equivalent To?
a) fruit b) embryo sac c) nucellus d) ovule Answer: d) ovule Explanation: Ovule is megasporangium and has sporogenous cells... View Article
Besides Paddy Fields, Cyanobacteria Are Also Found Inside Vegetative Part Of?
a) Cycus b) Psilotum c) Pinus d) Equisetum Answer: a) Cycus Explanation: The coralloid roots of cycas plants possess cyanobacteria.... View Article
Isogamous Condition With Non-flagellated Gametes Is Found In?
a) Spirogyra b) Chlamydomonas c) Fucus d) Volvox Answer: a) Spirogyra Explanation: Isogamy in spirogyra occurs by nonmotile gametes. Learn... View Article
Which Of The Following Immunoglobulins Does Constitute The Largest Percentage In Human Milk?
a) IgG b) IgD c) IgM d) IgA Answer: d) IgA Explanation: IgA is found in the body’s external secretion,... View Article
