Recent questions

Read the following statementsI. In environmental laws, the polluter pays principle is enacted to make the polluter responsible for paying for the damage done to the natur...

Read the following statementsI. The goal of Life Cycle Analysis (LCA) is to assess the environmental impact of products from a system perspective and to identify possible...

For the following major Indian environmental actsi) Environmental Protection Actii) Water Act (Prevention and Control of Pollution)iii) Air Act (Prevention and Control of...

The kinematic viscosity of glycerin and kerosene are $1.2$ times and $0.95$ times of that of water, respectively. Glycerin and kerosene flow through two identical porous...

A researcher compiled the following information about the performance of a kit in an outbreakInfection stateKit responseDisease (probability =0.002)Positive response (pro...

The ratio of the moles of $\mathrm{CO}_2$ evolved to the moles of $\mathrm{O}_2$ consumed in respiration also called the respiratory quotient, is calculated for a carbohy...

The critical depth in a $2 \mathrm{~m}$ wide rectangular channel carrying a discharge of $10 \mathrm{~m}^{3} / \mathrm{s}$ and taking value of acceleration due to gravity...

An S-hydrograph was prepared for a catchment of $240 \mathrm{~km}^2$ using 3-hour unit hydrograph $(1 \mathrm{~cm}$ rainfall excess). The equilibrium discharge for the S-...

The value of $\frac{4}{\pi} \int_{0}^{\pi / 2} \sin ^{2} x d x$ is ___ ____ $\text{(rounded off to two decimal places)}$.

River water containing two types of spherical suspended particles $\text{(clay particles, metal particles)}$ is retained in a sedimentation tank. The clay particles havin...

$\text{W1, W2, W3...W9}$ represent the holding times of $9$ water samples, which follow a normal distribution with mean $=8.33$ and standard deviation $=4.472$.$\text{M}$...

Which one of the following statements is NOT correct?Photophosphorylation is the synthesis of $\text{ATP}$ from $\text{ADP}$ and inorganic phosphate in the presence of li...

Read the following statementsI. Bacteriophage is an anaerobic bacterium.II. Male-specific bacteriophage infect via the pili of other microorganisms including viruses.III....

Read the following statementsi. In endogenous metabolism by aerobic bacteria, electron acceptor is present inside the cells.ii. In endogenous metabolism by aerobic bacter...

A boiler in an industry, located where high plume rise is expected, releases flue gas with fine particulate matter. Which one of the following options is most suited and ...

Match the followingJ) Dalton's lawi) DiffusionK) Fick's lawii) Pressure exerted by a mixture of gasesL) Henry's lawiii) Gravitational settlingM) Stoke's lawiv) Gas-liquid...

Read the following statementsI. According to the Liebig's law of minimum, the growth is regulated by the limited factors i.e., resources in scarcity and not by the resour...

Read the following statementsTrivalent chromium has relatively low aqueous solubility, and low mobility in the soil environment. By contrast, hexavalent chromium has a hi...

Which of the following statements is/are NOT true?Urban heat island effect in a city can be reduced by increasing trees and vegetation cover in the city.Urban heat island...

Read the following statements about aerobic composting of organic fraction of municipal solid wasteThe majority of the odour problem in an aerobic composting process is d...