Which of the following in sewage treatment removes suspended solids? Option 1 : Primary treatmentOption 2 : Secondary treatmentOption 3 : Tertiary treatmentOption 4 : Sludge treatment

Adult human RBCs are enucleate. Which of the following statement(s) is/are the most appro- priate explanation for this feature? (a) They do not reproduce (b) They are somatic cells (c) They do not metabolize (d) All their internal space is available for oxygen transport Option 1 : ...

Alexander Von Humboldt described for the first time Option 1 : Population growth equationOption 2 : Laws of limiting factorOption 3 : Species area relationshipsOption 4 : Ecological biodiversity

Which of the following statements is correct? Option 1 : The descending limb of loop of Henle is impermeable to water.Option 2 : The ascending limb of loop of Henle is permeable to water.Option 3 : The descending limb of loop of Henle is permeable to electrolytes.Option 4 : The ascending limb ...

Asymptote in a logistic growth curve is obtained when Option 1 : K > NOption 2 : K = N000000000000000000000000Option 3 : The value of ‘r’ approaches zeroOption 4 : K < N

Viroids differ from viruses in having Option 1 : DNA molecules without protein coatOption 2 : RNA molecules with protein coatOption 3 : RNA molecules without protein coatOption 4 : DNA molecules with protein coat

Which ecosystem has the maximum biomass? Option 1 : Pond ecosystemOption 2 : Grassland ecosystemOption 3 : Forest ecosystemOption 4 : Lake ecosystem

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration because of Option 1 : Residual volumeOption 2 : Tidal volumeOption 3 : Expiratory reserve volumeOption 4 : Inspiratory reserve volume

Life cycle of ectocarpus and fucus respectively are Option 1 : Haplontic, DiplonticOption 2 : Diplontic, HaplodiplonticOption 3 : Haplodiplontic, DiplonticOption 4 : Haplodiplontic, Haplontic

Select the correct route for the passage of sperms in male frogs. Option 1 : Testes - Vasa efferentia - Bidder’s canal Ureter - CloacaOption 2 : Testes - Vasa efferentia - Kidney - Seminal Vesicle - Urinogenital duct - CloacaOption 3 : Testes-Vasa efferentia - Kidney - Bidder’s canal ...