A reduction of nitrogen nutrient in plants_______________?

Related Mcqs:

1. Which one the following is a correct statement ?

   A. The vertical section of the soil extending into the parent material, is called profile
   B. The layers of the soil parallel to the earth surface are called horizons
   C. The transitional layer between two adjoining horizons is called boundary
   D. All of these

2. Which one of the following statement is correct ?

   A. Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
   B. The rate of transfer of radiant energy is called flux and is expressed in watts
   C. The radiant energy which falls upon a surface is termed as irradiance
   D. All of these

3. The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared______________?

   A. Visible (0.4 –
   B. Near-IR (0.7 –
   C. Short wave-IR (1.3 –
   D. None of these

4. Pick up the correct statement from the following_________________?

   A. When the electric field oscillates in the direction of the electric vector, a plane polarised wave is formed
   B. When the electric vector is in the plane of incidence, vertical polarisation is formed
   C. When the electric vector is at right angles to the plane of incidence, horizontal polarization wave is formed
   D. All of these

5. The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from__________________?

   A. 10-10 to 106 m

   B. 10-8 to 106 m

   C. 10-10 to 1010 m

   D. 10-8 to 108 m

6. Pick up the important characteristic of a target which facilitates its identification from the following ?

   A. Spectral variation
   B. Spatial variation
   C. Temporal variation
   D. All of these

7. For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is_____________?

   A. 130 km
   B. 230 km
   C. 250 km
   D. 500 km

8. Pick up the correct statement from the following?

   A. The ratio of the up flux and down flux just above the snow surface, is called albedo
   B. Spectral albedo of snow is calculated for the semi-infinite snow thickness
   C. Water equivalent height of snow is the height of water column obtained by melting snow
   D. All of these

9. The refractive index of the ocean water_______________?

   A. Increases with salinity
   B. Increases with temperature
   C. Decreases with salinity
   D. Decreases with temperature

10. Which one of the following statements is correct ?

    A. During the day, earth reflects solar radiation
    B. During the day, earth reflects both solar radiations the emission from its surface
    C. During the night, earth emits radiation from its surface
    D. All of these