Natural Resources
The regions of earth from outside to inside is
(1) Core, mantle, and crust
(2) Core, crust, and mantle
(3) crust, mental, and core
(4) mantle, core, and crust
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Natural Resources
What will happen if snake is missing in the food chain given below ?
Grains -> Rat -> Snake -> Eagle
(1) Total quantity of grains may increase
(2) Population of eagles may increase
(3) Eagle starts to eat grains
(4) Populaton of rats may increase
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Natural Resources
Which one is more permanent ecosystem?
(1) Forest
(2) Mountain
(3) Desert
(4) Sea
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Natural Resources
Water vapours changes into water droplets by
(1) condensation
(2) evaporation
(3) sublimation
(4) none
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Natural Resources
Which one of these are not fossil fuel
(1) coal
(2) Petrol
(3) Diesel
(4) wood
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Natural Resources
The nitrogen molecules present in air can be converted into nitrates and nitrites by
(1) a biological process of nitrogen fixing bacteria present in soil
(2) a biological process of carbon fixing factor present in soil
(3) any of the industries manufacturing nitrogenous compounds
(4) The plants used as cereal crops in field
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Natural Resources
Main constituent of atmosphere of mars is
(1) O2
(2) CO2
(3) Ozone gas
(4) none
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Natural Resources
The study of interaction between living organism and environmentis called
(1) Ecology (2) Phytogeography (3) Psychology (4) Mycology
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Natural Resources
Read the following paragraph and fill up the blanks with correct option.
Decline in the thickness of ozone layer over a restricted area is called _________ . It was first discovered over__________ in 1985. Amount of atmospheric ozone is measured by ___________ spectrometer and is expressed in ___________ Units
(1) Ozone hole, Australia, Dobson, Watson
(2) Ozone hole, Antarctica, Dobson, Dobson
(3) Ozone shield, Greenland, Watson, Dobson
(4) ODS hole, USA, Watson, Watson
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Natural Resources
Which of the following practices are suitable to farmer with less wat er resources ?
(A) Select a short term crop (B) Cultivate commercial crops
(C) Adopt drip irrigat ion system (D) Crop holiday
Choose the correct answer :
(1) A and C (2) A, B and C (3) A and D (4) C and D
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
