Single cells can be cultured using the following techniques:

(1) Filter paper raft-nurse tissue technique

(2) Microchamber technique

(3) Microdrop method

(4) Bergman's plating technique

(5) Thin layer liquid medium

Select the option with correct choices.

#Question id: 10888

#SCPH06 I Botany

Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following

#Question id: 10888

#SCPH28 | Zoology

Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following

#Question id: 10889

#SCPH06 I Botany

Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower 

#Question id: 10889

#SCPH28 | Zoology

Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower 

#Question id: 10891

#SCPH06 I Botany

In a lake ecosystem with three trophic levels - Phytoplankton (P), Zooplankton (Z) and Carnivore (C) is control by bottom-up effects, which of the following observation is incorrect?

#Question id: 10891

#SCPH28 | Zoology

In a lake ecosystem with three trophic levels - Phytoplankton (P), Zooplankton (Z) and Carnivore (C) is control by bottom-up effects, which of the following observation is incorrect?