General Knowledge
ENVIRONMENT MCQs
Total Questions : 129
| Page 9 of 13 pages
Answer: Option B. -> 1 and 2 Only
ACID RAIN IS CAUSED BY EMISSIONS OF SULFUR DIOXIDE AND NITROGEN OXIDES, WHICH REACT WITH THE WATER MOLECULES IN THE ATMOSPHERE TO PRODUCE ACIDS.WHEN HUMANS BURN FOSSIL FUELS, SULFUR DIOXIDE (SO2) AND NITROGEN OXIDES (NOX) (COMBINATION OF NO AND NO2) ARE RELEASED INTO THE ATMOSPHERE.THESE CHEMICAL GASES REACT WITH WATER, OXYGEN, AND OTHER SUBSTANCES TO FORM MILD SOLUTIONS OF SULFURIC AND NITRIC ACID.ALSO, NOX'S ARE ALSO FORMED IN ATMOSPHERE DUE TO LIGHTNING STRIKES IN TROPICS AND SUBTROPICS LEVEL AT A HEIGHT OF 3-5 KM FROM EARTH SURFACE WHEREAS NOX'S ARE ALSO RELEASED BY AIRCRAFTS IN STRATOSPHERE.NOX'S ALSO HELPS IN OZONE FORMATION.
ACID RAIN IS CAUSED BY EMISSIONS OF SULFUR DIOXIDE AND NITROGEN OXIDES, WHICH REACT WITH THE WATER MOLECULES IN THE ATMOSPHERE TO PRODUCE ACIDS.WHEN HUMANS BURN FOSSIL FUELS, SULFUR DIOXIDE (SO2) AND NITROGEN OXIDES (NOX) (COMBINATION OF NO AND NO2) ARE RELEASED INTO THE ATMOSPHERE.THESE CHEMICAL GASES REACT WITH WATER, OXYGEN, AND OTHER SUBSTANCES TO FORM MILD SOLUTIONS OF SULFURIC AND NITRIC ACID.ALSO, NOX'S ARE ALSO FORMED IN ATMOSPHERE DUE TO LIGHTNING STRIKES IN TROPICS AND SUBTROPICS LEVEL AT A HEIGHT OF 3-5 KM FROM EARTH SURFACE WHEREAS NOX'S ARE ALSO RELEASED BY AIRCRAFTS IN STRATOSPHERE.NOX'S ALSO HELPS IN OZONE FORMATION.
Answer: Option B. -> Primary consumers
ZOOPLANKTONS ARE AQUATIC ORGANISMS THAT FEED ON THE PHYTOPLANKTONS FOUND IN THE SEA. THUS THEY ARE PRIMARY CONSUMERS.
ZOOPLANKTONS ARE AQUATIC ORGANISMS THAT FEED ON THE PHYTOPLANKTONS FOUND IN THE SEA. THUS THEY ARE PRIMARY CONSUMERS.
Answer: Option D. -> 1, 2 & 3
COMMON NAMES OF SOME INVASIVE PLANT SPECIES IN INDIA INCLUDE: BLACK WATTLE, GIANT CANE, SIAM WEED, KOSTER’S CURSE, COGON GRASS, LANTANA, FALSE KOA, MILE-A-MINUTE WEED, PRICKLY PEAR ETC.
COMMON NAMES OF SOME INVASIVE PLANT SPECIES IN INDIA INCLUDE: BLACK WATTLE, GIANT CANE, SIAM WEED, KOSTER’S CURSE, COGON GRASS, LANTANA, FALSE KOA, MILE-A-MINUTE WEED, PRICKLY PEAR ETC.
Answer: Option D. -> Only 2, 3, 4 & 5
FIRST STATEMENT SHOULD BE PAID ATTENTION. MULCH RETARDS THE HEATING OF THE SOIL BY THE SUN, WHICH CAN INHIBIT THE GERMINATION OF SEEDS AND THE GROWTH OF SEEDLINGS IN EARLY SPRING.
FIRST STATEMENT SHOULD BE PAID ATTENTION. MULCH RETARDS THE HEATING OF THE SOIL BY THE SUN, WHICH CAN INHIBIT THE GERMINATION OF SEEDS AND THE GROWTH OF SEEDLINGS IN EARLY SPRING.
Answer: Option C. -> 2 and 3
KAZIRANGA NATIONAL PARK HOSTS TWO-THIRDS OF THE WORLD’S GREAT ONE-HORNED RHINOCEROSES. IT IS A WORLD HERITAGE SITE. IT HAS THE LARGEST POPULATION OF THE WILD WATER BUFFALO ANYWHERE ACCOUNTING FOR ABOUT 57% OF THE WORLD POPULATION.
KAZIRANGA NATIONAL PARK HOSTS TWO-THIRDS OF THE WORLD’S GREAT ONE-HORNED RHINOCEROSES. IT IS A WORLD HERITAGE SITE. IT HAS THE LARGEST POPULATION OF THE WILD WATER BUFFALO ANYWHERE ACCOUNTING FOR ABOUT 57% OF THE WORLD POPULATION.
Question 86. Which of the following observations are correct regarding the Nelapattu Bird Sanctuary, sometimes seen in news? 1.It is considered one of the biggest habitat for pelicans. 2.It is located about 20 km north of the Pulicat Lake. 3.The barrier island of Sriharikota separates the Pulicat lake from the Bay of Bengal. Select the correct option from the codes given below:
Answer: Option D. -> 1,2,3
NELAPATTU BIRD SANCTUARY IS CONSIDERED AS ONE OF THE BIGGEST HABITAT FOR SOME HUNDREDS OF PELICANS AND OTHER BIRDS. PULICAT LAKE IS THE SECOND LARGEST BRACKISH WATER LAKE OR LAGOON IN INDIA, AFTER CHILIKA LAKE. TWO RIVERS WHICH FEED THE LAGOON ARE THE ARANI RIVER AT THE SOUTHERN TIP AND THE KALANGI RIVER FROM THE NORTHWEST.
NELAPATTU BIRD SANCTUARY IS CONSIDERED AS ONE OF THE BIGGEST HABITAT FOR SOME HUNDREDS OF PELICANS AND OTHER BIRDS. PULICAT LAKE IS THE SECOND LARGEST BRACKISH WATER LAKE OR LAGOON IN INDIA, AFTER CHILIKA LAKE. TWO RIVERS WHICH FEED THE LAGOON ARE THE ARANI RIVER AT THE SOUTHERN TIP AND THE KALANGI RIVER FROM THE NORTHWEST.
Answer: Option C. -> Both 1 & 2
DUE TO THE FOLLOWING REASONS THE LOKTAK LAKE, MANIPUR WAS INCLUDED ON THE MONTREUX RECORD:
1) AN INFESTATION OF WATER HYACINTH.
2) THE CONSTRUCTION OF A HYDROELECTRIC POWER PLANT HAS CAUSED THE LOCAL EXTINCTION OF SEVERAL NATIVE FISH SPECIES.
DUE TO THE FOLLOWING REASONS THE LOKTAK LAKE, MANIPUR WAS INCLUDED ON THE MONTREUX RECORD:
1) AN INFESTATION OF WATER HYACINTH.
2) THE CONSTRUCTION OF A HYDROELECTRIC POWER PLANT HAS CAUSED THE LOCAL EXTINCTION OF SEVERAL NATIVE FISH SPECIES.
Answer: Option A. -> 1,2,3,4
INDOOR POLLUTION IS CAUSED BY INADEQUATE VENTILATION, RELEASE OF RADON GAS, OUTDOOR POLLUTION, PESTICIDES, EXCESS MOISTURE WITHIN THE HOUSE. WHILE INSTALLING NEW CARPETS SOME ADHESIVES ARE USED WHICH RELEASE VOLATILE ORGANIC COMPOUNDS THUS CAUSING INDOOR POLLUTION.
INDOOR POLLUTION IS CAUSED BY INADEQUATE VENTILATION, RELEASE OF RADON GAS, OUTDOOR POLLUTION, PESTICIDES, EXCESS MOISTURE WITHIN THE HOUSE. WHILE INSTALLING NEW CARPETS SOME ADHESIVES ARE USED WHICH RELEASE VOLATILE ORGANIC COMPOUNDS THUS CAUSING INDOOR POLLUTION.
Question 89. Which of the following statements are correct about mangroves?
1. Mangroves are littoral plant formation of tropical and subtropical sheltered coastlines.
2. Mangroves are trees and bushes growing below the high water level of spring tides.
3. They exhibit remarkable capacity for salt water tolerance.
Select the correct option from the codes given below:
1. Mangroves are littoral plant formation of tropical and subtropical sheltered coastlines.
2. Mangroves are trees and bushes growing below the high water level of spring tides.
3. They exhibit remarkable capacity for salt water tolerance.
Select the correct option from the codes given below:
Answer: Option D. -> Neither 1, 2 & 3
MANGROVES ARE LITTORAL PLANT FORMATION OF TROPICAL AND SUBTROPICAL SHELTERED COASTLINES. MANGROVES ARE TREES AND BUSHES GROWING BELOW THE HIGH WATER LEVEL OF SPRING TIDES. THEY EXHIBIT REMARKABLE CAPACITY FOR SALT WATER TOLERANCE.
MANGROVES ARE LITTORAL PLANT FORMATION OF TROPICAL AND SUBTROPICAL SHELTERED COASTLINES. MANGROVES ARE TREES AND BUSHES GROWING BELOW THE HIGH WATER LEVEL OF SPRING TIDES. THEY EXHIBIT REMARKABLE CAPACITY FOR SALT WATER TOLERANCE.
Answer: Option A. -> Detritus food chain
DETRITUS FOOD CHAIN IS ON IN WHICH MICRO-ORGANISMS FEED ON THE DEAD ORGANIC REMAINS. THE ORGANISMS FEEDING ON THE ORGANIC REMAINS ARE CALLED DETRIVORES OR DECOMPOSERS.
DETRITUS FOOD CHAIN IS ON IN WHICH MICRO-ORGANISMS FEED ON THE DEAD ORGANIC REMAINS. THE ORGANISMS FEEDING ON THE ORGANIC REMAINS ARE CALLED DETRIVORES OR DECOMPOSERS.
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