Soil Water Dynamics Practice Questions (Q1-5) - Agricultural Physics

1

ICAR JRF Agricultural Physics 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Amount of water retained at low values of matric suction is mainly affected by

Soil texture Soil structure Air-entry suction Specific-surface of the soil

2

ICAR JRF Agricultural Physics 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Water risen in a capillary tube is characterized by a

+ve pressure potential -ve pressure potential zero pressure potential Gravitational potential

3

ICAR JRF Agricultural Physics 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which is the first zone of purification in a sand bed?

Heterotrophic zone Schmutzdecke zone Electrolytic zone Autotrophic zone

4

ICAR JRF Agricultural Physics 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which process of water treatment is done to avoid floating debris, branches, trees, or other large particles suspended in water?

Primary sedimentation Secondary sedimentation Screening Aeration

5

ICAR JRF Agricultural Physics 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which of the following device is used to prevent the clogging of sewer pipes?

Drop manhole Storm regulators Flushing tank Lamp hole

Agricultural Physics Subjects