Que- Largest reptile in the world
a. Dragon
b. Anaconda
c. Crocodile
d. Python
Answer- Anaconda
Explanation- Largest reptile in the world Anaconda.
Que- The movement " Beej Bachao Andolan " was aimed for the conservation of _______
a. trees
b. shrubs
c. crops
d. coconut
Answer- crops
Explanation- The Beej Bachao Movement also known as the Beej Bachao Andolan or BBA was started in Jardhargaon in Tehri Garhwal to conserve and promote indigenous seeds and agricultural practices. It has its roots in the Chipko Movement.
Que- A dim, " watery " sun visible through a gray sheet-like cloud layer is often a good indication of ____ clouds.
a. Stratocumulus
b. Cirrostratus
c. Cumulonimbus
d. Altostratus
Answer- Altostratus
Explanation- A dim, " watery " sun visible through a gray sheet-like cloud layer is often a good indication of Altostratus clouds.
Que- The source of energy in an ecosystem is
a. ATP
b. Sunlight
c. D.N.A
d. R.N.A
Answer- Sunlight
Explanation- The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.
Que- Which one of the following problems is not created by noise pollution?
a. Diarrhoea
b. Hypertension
c. Deafness
d. Irritation
Answer- Diarrhoea
Explanation- Diarrhoea is not created by noise pollution.
Que- MAB program stands for
a. Man and biotechnology
b. Material and biology
c. Man and Biology
d. Man and Biosphere
Answer- Man and Biosphere
Explanation- Man and the Biosphere Programme (MAB) is an intergovernmental scientific programme, launched in 1971 by UNESCO, that aims to establish a scientific basis for the improvement of relationships between people and their environments.
Que- MAB stands for
a. Man and biosphere
b. Man, antibiotics and bacteria
c. Man and biotic community
d. Mayer, Anderson and Bisby
Answer- Man and biosphere
Explanation- Man and the Biosphere Programme (MAB) is an intergovernmental scientific programme, launched in 1971 by UNESCO, that aims to establish a scientific basis for the improvement of relationships between people and their environments.
Que- Vermi-composting is a natural method of
a. Producing compost manure
b. Producing worms
c. Managing waste it creates
d. Destroying worms
Answer- Producing compost manure
Explanation- Vermicompost (vermi-compost, vermiculture) is the product of the decomposition process using various species of worms, usually red wigglers, white worms, and other earthworms, to create a mixture of decomposing vegetable or food waste, bedding materials, and vermicast.
Que- Plants that grow in saline water-logged habitat are called
a. xerophytes
b. halophytes
c. mangroves
d. mesophytes
Answer- mangroves
Explanation- A halophyte is a plant, that grows in waters of high salinity, coming into contact with saline water through its roots or by salt spray, such as in saline semi-deserts, mangrove swamps, marshes and sloughs, and seashores.
Que- National Maritime Day of India is celebrated on ______________
a. October 16
b. April 05
c. March 21
d. May 22
Answer- April 05
Explanation- The National Maritime Day is celebrated every year on April 05 to illustrate the awareness in supporting intercontinental commerce and the global economy as the most well-organized, safe and sound, environmentally responsive approach of transporting goods from one corner to another corner of the world.
Que- Which state proposed a ban on all types of polythene packing for the first time in India?
a. Himachal Pradesh
b. Madhya Pradesh
c. Kerala
d. Karnataka
Answer- Himachal Pradesh
Explanation- Himachal Pradesh proposed a ban on all types of polythene packing for the first time in India.
Que- Salim Ali Centre for Ornithology and Natural history is located at ______
a. Pune
b. Hyderabad
c. Kerala
d. Coimbatore
Answer- Coimbatore
Explanation- Salim Ali Centre for Ornithology and Natural History is located at Coimbatore.
Que- Lead in water can cause
a. eye disease
b. arthritis
c. kidney damage
d. hair falling
Answer- kidney damage
Explanation- Lead exposure can have serious consequences for the health of children. At high levels of exposure, lead attacks the brain and central nervous system to cause coma, convulsions and even death. Children who survive severe lead poisoning may be left with mental retardation and behavioural disorders.
Que- " A good absorber of a given wavelength of radiation is also a good emitter of that wavelength. " This is a statement of:
a. Stefan-Boltzmann's law
b. Wien's Law
c. Kirchoff's Law
d. The First Law of Thermodynamics
Answer- Kirchoff's Law
Explanation- " A good absorber of a given wavelength of radiation is also a good emitter of that wavelength. " This is a statement of Kirchoff's Law.
Que- Zoological Survey of India is at
a. Delhi
b. Mumbai
c. Kolkata
d. Chennai
Answer- Kolkata
Explanation- Zoological Survey of India is at Kolkata.
Que- Which book written by Rachel Carson resulted in banning DDT in USA?
a. Silent spring
b. The environmentalism
c. Biomagnification
d. Food chain
Answer- Silent spring
Explanation- Mocked for Being a 'Woman Studying Genetics,' How Rachel Carson Got DDT Banned. Considered one of Carson's most exceptional and groundbreaking books that marked a new public awareness about the use of chemical pesticides, especially DDT, Silent Spring was published on September 27, 1962.
Que- Any unfavorable alteration of the environment may be called as
a. eutrophication
b. environmental pollution
c. biomagnigication
d. bioaccumulation
Answer- environmental pollution
Explanation- Environmental pollution is the unfavorable alteration of our surroundings, wholly or largely as a byproduct of man's actions, through direct or indirect effects of the changes in the energy pattern, radiation levels, and chemical and physical constitution and abundance of organisms.
Que- Energy resources derived from natural organic materials are called
a. geothermal energy sources
b. fossil fuels
c. biomass
d. all of these
Answer- fossil fuels
Explanation- Energy resources derived from natural organic materials are called fossil fuels.
Que- Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of
a. numbers
b. energy
c. biomass
d. all of these
Answer- biomass
Explanation- Pyramid of biomass is the graphical representation of total amount of living material at each trophic level of a food chain. Pyramid of numbers represent the number of individuals in each trophic level of a food chain. Pyramid of energy represents the amount of energy at each trophic level of a food chain.
Que- Which group of vertebrates comprises the highest number of endangered species?
a. Mammals
b. Fishes
c. Birds
d. Reptiles
Answer- Mammals
Explanation- Mammals have 177 endangered species among vertebrates which represents 3.8% of all the species.
Que- World's most problematic aquatic weed is
a. azolla
b. wolffia
c. eichornia
d. trapa
Answer- eichornia
Explanation- World's most problematic aquatic weed is eichornia.
Que- _________ energy is the main driving force of the ecological system.
a. Hydro
b. Solar
c. Electric
d. Mechanical
Answer- Solar
Explanation- The driving force for an ecosystem is solar energy. Plants use solar energy to synthesize their food by the process of photosynthesis. From solar energy, the energy is transferred to plants and other organisms via plants. Thus, the correct answer is 'Solar energy'.
Que- Torrey Canyon is famous for
a. Gulf of War
b. Industries
c. Electric Potential
d. Oil spillage
Answer- Oil spillage
Explanation- SS Torrey Canyon was an LR2 Suezmax class oil tanker with a cargo capacity of 120,000 short tons (110,000 t) of crude oil. She was shipwrecked off the western coast of Cornwall, England, on 18 March 1967, causing an environmental disaster. At that time she was the largest vessel ever to be wrecked.
Que- Most of the natural gas used in the United States is consumed by
a. industry
b. residential use
c. electrical utilities
d. transportation
Answer- residential use
Explanation- In the United States, most natural gas is burned as a fuel. In 2012 about 30% of the energy consumed across the nation was obtained from natural gas. It was used to generate electricity, heat buildings, fuel vehicles, heat water, bake foods, power industrial furnaces, and even run air conditioners!
Que- Eravikulam National Park conserves
a. Lion tailed macaque
b. Tiger
c. Elephant
d. Nilgiri Tahr
Answer- Nilgiri Tahr
Explanation- It came under the control of Kerala government with regards to Resumption of Lands act of 1971. The reserve was named as Eravikulam Rajamalai wildlife sanctuary in 1975 to conserve Nilgiri tahr, which is endangered. It became a national park in 1978.