MOCK TEST ON REMOTE SENSING & GIS PYQS JUNE & DEC 2019 NTA UGC NET

Q.1. The ideal time of the day to obtain aerial photograph is (NTA UGC NET JUNE 2019)

(1) When the sun is low oblique (before and after noon)

(2) When the sun is high oblique (morning and evening)

(3) When the sun is almost vertical (at noon)

(4) Any time of the day

Q.2. Which of the following elements of image interpretation is most appropriate for identifying alluvial fans and meanders on any aerial photograph? (NTA UGC NET JUNE 2019)

(1) Size

(2) Shape

(3) Tone

(4) Texture

Q.3. Which of the following data formats in GIS is compatible with satellite images? (NTA UGC NET JUNE 2019)

(1) CAD data format

(2) DLG data format

(3) Vector data format

(4) Raster data format

Q.4. The digital image process, which involves algorithms that examine the unknown pixels in the image and aggregate them into a number of classes based on the natural Groupings or cluster present in the image is known as-(NTA UGC NET JUNE 2019)

(1) Spectral enhancement technique

(2) Supervised classification technique

(3) Unsupervised classification technique

(4) Image transformation technique

Q.5. Which one of the following is not an advantage for raster data format? (NTA UGC NET JUNE 2019)

(1) Simple data structure

(2) Easy and efficient overlaying

(3) Compatible with remotely sensed imagery

(4) Application for network analysis

Q.6. Which one of the following electromagnetic radiation (EMR) used in remote sensing has the shortest wavelength? (NTA UGC NET JUNE 2019)

(1) Green,

(2) Red

(3) Blue

(4) Infra-Red

Q.7. The resolution, which is related to sensitivity of remote sensing detector to record differences in portions of the electromagnetic spectrum is known as-(NTA UGC NET JUNE 2019)

(1) Spatial Resolution

(2) Spectral Resolution

(3) Radiometric Resolution

(4) Temporal Resolution

Q.8. Given below are two statements. One labelled as Assertion (A) and the other is labelled as Reason (R). (NTA UGC NET JUNE 2019)

Assertion (A): Rayleigh scattering is responsible for the blue colour of sky

Reason (R): Rayleigh scattering occurs, when atmospheric particles have a diameter that are small relative to the wavelength of radiation

Select the correct answer from options given below:

(1). Both (A) and (R) are true and (R) is the correct explanation of (A)

(2). Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(3). (A) is true, but (R) is false

(4). (A) is false, but (R) is true