Que- Which of the following processes acts to remove carbon dioxide from the atmosphere?
a. Lightning
b. Deforestation
c. Photosynthesis
d. Burning fossil fuels
Answer- Photosynthesis
Explanation- Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.
Que- All food chains starts with __________ and ends with decay.
a. Environment
b. Organisms
c. Photosynthesis
d. Fungi
Answer- Photosynthesis
Explanation- All food chains starts with photosynthesis and ends with decay.
Que- The biosphere encompasses the total __________ of living material in a region or the globe.
a. Diversity of species
b. Animal population
c. Photosynthesis
d. Weight
Answer- Weight
Explanation- The biosphere encompasses the total weight of living material in a region or the globe.
Que- Meteorology is considered a branch of:
a. Mineralogical sciences
b. Phenology
c. Phrenology
d. Atmospheric sciences
Answer- Atmospheric sciences
Explanation- Meteorology is a branch of the atmospheric sciences which includes atmospheric chemistry and atmospheric physics, with a major focus on weather forecasting. The study of meteorology dates back millennia, though significant progress in meteorology did not occur until the 18th century.
Que- Study of inter-relationship between organisms and their environment is
a. Ecology
b. Ecosystem
c. Phytogeography
d. Ethology
Answer- Ecology
Explanation- Ecology is the branch of biology, that deals with the inter-relationships amongst organism and interactions between organisms and their environment.
Que- Ecotype is a type of species in which environmentally induced variations are
a. Temporary
b. Genetically fixed
c. Genetically not related
d. None of the above
Answer- Genetically fixed
Explanation- Ecotype is a type of species in which environmentally induced variations are genetically fixed.
Que- Organisms having the potential for interbreeding and producing fertile offspring is called
a. Class
b. Order
c. Genus
d. Species
Answer- Species
Explanation- A species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring.
Que- Expand GIS
a. Geographical Information System
b. Geographical Information Source
c. Geological Information System
d. Geological Index System
Answer- Geographical Information System
Explanation- Geographical Information System.
Que- Ex situ conservation includes
a. Zoo
b. Botanic garden
c. Germplasm bank
d. all of the above
Answer- all of the above
Explanation- Ex situ conservation includes all of the above.
Que- First National Park in India
a. Jim Corbett National Park
b. Bandipur National Park
c. Gir National Park
d. Sunderbans National Park
Answer- Jim Corbett National Park
Explanation- India's first national park was established in 1936 as Hailey National Park, now known as Jim Corbett National Park, Uttarakhand. By 1970, India only had five national parks.
Que- In an oil trap formed by an anticline, __________ accumulates on top, __________ in the middle, and __________ at the bottom.
a. natural gas, oil, groundwater
b. ground water, oil, natural gas
c. oil, groundwater, natural gas
d. oil, natural gas, ground water
Answer- natural gas, oil, groundwater
Explanation- In an oil trap formed by an anticline, natural gas accumulates on top, oil in the middle, and groundwater at the bottom.
Que- Macroconsumers include
a. Herbivores
b. Carnivores
c. Omnivores
d. All the above
Answer- All the above
Explanation- All the above
Que- Thermal belts are usually found
a. On valley floors
b. On hillsides
c. On mountain tops
d. None of the above
Answer- On hillsides
Explanation- Thermal belts are usually found on hillsides.
Que- The term " normal " refers to weather data averaged over:
a. At least a day
b. Several months
c. One year
d. Thirty years
Answer- Thirty years
Explanation- The term " normal " refers to weather data averaged over thirty years.
Que- At any given time, ______ of the earth is illuminated by the sun.
a. One-fourth
b. One-third
c. One-half
d. Two-thirds
Answer- One-half
Explanation- At any given time, one-half of the earth is illuminated by the sun.
Que- ________ is the natural phenomenon, caused by an unlimited and unprecedented rainfall.
a. Soil erosion
b. Cyclone
c. Floods
d. Heightening
Answer- Floods
Explanation- Floods is the natural phenomenon, caused by an unlimited and unprecedented rainfall.
Que- _________ is an important factor that aggravates the effect of drought.
a. Deforestation
b. Soil Erosion
c. Floods
d. Acid Rain
Answer- Deforestation
Explanation- Deforestation is an important factor that aggravates the effect of drought.
Que- Which statement(s) below is/are correct?
a. Valleys are more susceptible to radiation fog than hill tops
b. Without the summer fog along the coast of California, redwoods would not grow well there
c. Fog can be composed of ice crystals
d. All of the above are correct
Answer- All of the above are correct
Explanation- All of the above are correct.
Que- Which of the following statements is/are correct?
a. The largest concentration of condensation nuclei are usually observed near the Earth
b. Wet haze restricts visibility more than dry haze
c. Fog is actually a cloud resting on the ground
d. All of these are correct
Answer- All of these are correct
Explanation- All of these are correct.
Que- The pioneers in xerach succession is the
a. crustose lichen
b. mosses
c. foliose lichen
d. shrubs
Answer- crustose lichen
Explanation- The pioneer species in xerarch and hydrarch succession are lichens and phytoplanktons respectively. Xerarch is a plant succession starting on bare ground or rock and culminating in a mature climax forest. The pioneer species, such as lichens and mosses, result in the gradual accumulation of soil.
Que- An important reason for the large daily temperature range over deserts is:
a. There is little water vapor in the air to absorb and re-radiate infrared radiation
b. The light-colored sand radiates heat very rapidly at night
c. Dry air is a very poor heat conductor
d. Free convection cells are unable to form above the hot desert ground
Answer- There is little water vapor in the air to absorb and re-radiate infrared radiation
Explanation- There is little water vapor in the air to absorb and re-radiate infrared radiation.
Que- The formula of growth rate for population in given time is
a. dt/dN=rN
b. dt/rN=dN
c. dt/rN=dt
d. dN/dt=rN
Answer- dN/dt=rN
Explanation- The formula of growth rate for population in given time is dN/dt=rN.
Que- Air is composed of gases, water vapours and
a. rainfall
b. snowfall
c. dust particles
d. light
Answer- dust particles
Explanation- Air is composed of gases, water vapours and many of the dust particles.
Que- Which of the following is a biodiversity hot spots in India?
a. Western Ghats
b. Nandadevi
c. Eastern Ghats
d. Aravalli
Answer- Western Ghats
Explanation- It hosts 4 biodiversity hotspots:the Himalayas, the Western Ghats, the Indo-Burma region and the Sundaland (Includes Nicobar group of Islands). These hotspots have numerous endemic species.
Que- Temperate forests occur in India in
a. Indo-gangetic plains
b. Himalayas
c. Eastern India
d. Southern peninsula
Answer- Himalayas
Explanation- In India, these forests are distributed between 1700-3000 meter altitude in the Himalayas.