When a plant is considered for tissue culture, one prerequisite is that it has to disease free. What is the other ?

It should have high productivity.

Sea level is expected to rise because of warmer climate due to the following :

Oceans expand as they get warmer

Crude all is some times labelled as sour because

It has higher amount of sulphur

In the world's worst nuclear accident in 1986, 31 people died, 129 others suffered acute radiation and many thousands are expected to die prematurely as a result of exposure to radiation released from the stricken plant. Name the site of this mishap.

Chernobyl, erstwhile Soviet Union

Which major theory of environmental ethics holds that the environment deserves a kind of direct moral consideration that is not merely derived from human (or animal) interests ?

Environmental anthropocentricism

Life expectancy ...............

Refers to life span of an individual

Is the average life span of other individuals in a population

Refers to life span of an individual

The reference to nature in charles Darwin's theory of evolution by Natural selection was to

The natural environment including the biotic and abiotic factors

Proper disposal of hazardous toxic waste is essential as exposure to it can cause serious problems to the health. Which is potentially the safest means of disposing of the most toxic wastes : organic solvents, chlorinated hydrocarbons, and oil-base compounds (including PCBs and dioxins) ?

Industrial high temperature incineration

286 + Mcqs in Ecology in Biology Page 4 McqOptions

151.	A Glass sided tank, bowl in which aquatic animals live
A.	Ecolumn
B.	Shark Tank
C.	Terrarium
D.	Aquarium
Answer» E.

Discussion

152.	Which of the following terms best describes the inter-relationship between nitrogen-fixing bacteria and the clover in whose roots they live ?
A.	Mutualism
B.	Commenslism
C.	Predation
D.	Parasitism
Answer» B. Commenslism

Discussion

153.	Which of the following is the most chemiscally polluted
A.	Dzerzhinsk (Russia)
B.	La Oroya (Pera)
C.	Linfen (China)
D.	Sun gayit (Azerbanjan)
Answer» B. La Oroya (Pera)

Discussion

154.	People all over the world have thought of innovative ideas for use of waste. One man in India, Nek Chand, has developed an exquisite artwork from garbage, a rock garden in this city.
A.	Chennai
B.	Lucknow
C.	Chandigarh
D.	Bangalore
Answer» D. Bangalore

Discussion

155.	Most waste generated in the house can be recycled, but there are certain items that cannot be recycled. In the list given below, which item is not recyclable.
A.	Newspaper
B.	Plastic bags
C.	Old medicines
D.	Glass bottles
Answer» C. Old medicines

Discussion

156.	In this method of disposal of organic waste where the waste is converted to fertilizer, this creature is put in the waste. Name it
A.	Cockroach
B.	Earth worms
C.	Bugs
D.	Lizards
Answer» C. Bugs

Discussion

157.	On the IUCN 2009 red list, how many species are threatened with extinction and listed as such ?
A.	Fewer than 400
B.	Approximately 10,000
C.	Approximately 18,000
D.	None of these
Answer» D. None of these

Discussion

158.	Evergreen forests in India house the most diverse species of plants ans animals in the country and have two of the biodiversity hotspots of the world. Which of the following is NOT a region of evergreen. forests in India ?
A.	North-east India
B.	Andaman and Nicobar Islandsr
C.	Lakshadweep Island
D.	None of these
Answer» D. None of these

Discussion

159.	When a plant is considered for tissue culture, one prerequisite is that it has to disease free. What is the other ?
A.	The leaves should be green
B.	It should have high productivity.
C.	It should look strong
D.	The stump should be thick
Answer» C. It should look strong

Discussion

160.	An animal that only eats plants is called a
A.	Omnivore
B.	Herbivore
C.	Carnivore
D.	Univore
Answer» C. Carnivore

Discussion

161.	An animal that only eats other animals is called a
A.	Omnivore
B.	Carnivore
C.	Univore
D.	Herbivore
Answer» C. Univore

Discussion

162.	Over the last 100 Years global sea level has risen by about
A.	20-25 cm
B.	10-12.5 cm
C.	Both of the above
D.	None of these
Answer» C. Both of the above

Discussion

163.	This strain of rice was one of the first High Yielding Varieties of seeds developed in the world. Name it.
A.	IR-8
B.	IS-7
C.	RS-8
D.	RV-9
Answer» B. IS-7

Discussion

164.	Municipal waste is disposed in the open dumps, landfills, sanitary landfills, and is also burnt in large furnaces. This method is known as
A.	Incineration
B.	Blast furnace
C.	Waste furnace
D.	None of the above
Answer» C. Waste furnace

Discussion

165.	Plastic was once hailed as the wonder material but is now becoming a serious environmental and health problem due to its non-biodegradable nature, Burning of plastics, especially PVC, releases the following harmfull gas into the atmosphere.
A.	Dioxins
B.	Le
C.	O
D.	PI
Answer» D. PI

Discussion

166.	An animal that eats both plants and animals is called a
A.	Omnivore
B.	Univore
C.	Carnivore
D.	Herbivore
Answer» B. Univore

Discussion

167.	Animals and plants that live in water are called...........
A.	Wet
B.	Aquatic
C.	Aquamarine
D.	Aqua
Answer» C. Aquamarine

Discussion

168.	How many species are under threat in mainland France ?
A.	Around 10
B.	Around 100
C.	A thousand
D.	None of these
Answer» D. None of these

Discussion

169.	Composting in one of the oldest forms of disposal of waste. It is the natural process of decomposition of organic waste that yields manure of compost. One of the following is added to the compost to get better results.
A.	Ants
B.	Bugs
C.	Snakes
D.	Worms
Answer» D. Worms

Discussion

170.	Sea level is expected to rise because of warmer climate due to the following :
A.	Oceans expand as they get warmer
B.	Glaciers and ice-sheets melt
C.	Both the above
D.	None of these
Answer» D. None of these

Discussion

171.	Hazardous waste is generated mainly by the industrial sector. It not only causes harm to the environment but also leads to health problems. A small percentage of the hazardous waste is also generated in the house. One of the following is a hazardous waste that is generated in the house.
A.	Paper
B.	Leftover foodstuff
C.	Old batteries
D.	Plastic bags
Answer» D. Plastic bags

Discussion

172.	What is France's global ranking in terms of the number of animal species under threat ?
A.	22
B.	12
C.	8
D.	None of these
Answer» D. None of these

Discussion

173.	Crude all is some times labelled as sour because
A.	It in more acidic
B.	It is more alkaline
C.	It has lower level of sulphur
D.	It has higher amount of sulphur
Answer» E.

Discussion

174.	The branch of Biology dealing with the relations and interactions between organisms and their environment
A.	Zoology
B.	Sunology
C.	Biology
D.	Ecology
Answer» E.

Discussion

175.	SPM stands for
A.	Suspended Particulate Matter
B.	Standard Particles Material
C.	Suspended Particles Material
D.	None of the above
Answer» B. Standard Particles Material

Discussion

176.	In the world's worst nuclear accident in 1986, 31 people died, 129 others suffered acute radiation and many thousands are expected to die prematurely as a result of exposure to radiation released from the stricken plant. Name the site of this mishap.
A.	Three Mile Island, USA
B.	Chernobyl, erstwhile Soviet Union
C.	Bhopal, India
D.	Windscale, UK
Answer» C. Bhopal, India

Discussion

177.	The Geysers, a large steam reservoir North of San Francisco, USA, is the would's largest source of
A.	Coal
B.	Geothermal power
C.	Hydropower
D.	Natural gas
Answer» C. Hydropower

Discussion

178.	Name the metal contained in broken fluorescent bulbs, tube lights and dead batteries which gets transported with common municipal solid waste and can be easily swallowed, inhaled or absorbed through the skin and can cause damage to the kidneys and nervous system.
A.	Copper
B.	Cadmium
C.	Mercury
D.	Arsenic
Answer» D. Arsenic

Discussion

179.	The Wildlife Week is celebrated from
A.	2-8 October
B.	1-7 June
C.	16-22 April
D.	14-20 Junuary
Answer» B. 1-7 June

Discussion

180.	The progressive series of changes that eventually produce a climax community on what was once a bare rocky island is an example of
A.	Primary succession
B.	Speciation
C.	Secondary succession
D.	Evolution
Answer» B. Speciation

Discussion

181.	Which major theory of environmental ethics holds that the environment deserves a kind of direct moral consideration that is not merely derived from human (or animal) interests ?
A.	Biocentricism
B.	Ecocentricism
C.	Environmental anthropocentricism
D.	Developmental ethics
Answer» C. Environmental anthropocentricism

Discussion

182.	Life expectancy ...............
A.	Depends only on death rate
B.	Depends only on birth rate
C.	Is the average life span of other individuals in a population
D.	Refers to life span of an individual
Answer» D. Refers to life span of an individual

Discussion

183.	Organisms the produce many offspring and are not limited by density-dependent factors, usually follow a ................
A.	Logistic growth curve
B.	Exponential growth curve
C.	Rapid decline in population
D.	All of the above
Answer» B. Exponential growth curve

Discussion

184.	The world biodiversity day is celebrated annually on
A.	5th June
B.	29th December
C.	22nd April
D.	16th September
Answer» B. 29th December

Discussion

185.	The continous sequence of natural processes by which nitrogen in the atmosphere and introgenous compounds in the soil are converted
A.	Water Cycle
B.	Nitrogen Cycle
C.	Compost Cycle
D.	Motorcycle
Answer» C. Compost Cycle

Discussion

186.	When one animal is used to suppress another, it is called this, For example, if snakes are encouraged in an area, the rodent population will be controlled. What is the term used ?
A.	Technical control of pests
B.	Pest control
C.	Botanical control of pests
D.	Biological control of pests
Answer» E.

Discussion

187.	This naturally occurring element in the rice husk makes it termite resistant ?
A.	Silicon
B.	Phosphate
C.	Nitrates
D.	Floride
Answer» B. Phosphate

Discussion

188.	A system formed by the interaction of a community of organisms with its environment
A.	Community
B.	Ecology
C.	Ecosystem
D.	Terrarium
Answer» D. Terrarium

Discussion

189.	The reference to nature in charles Darwin's theory of evolution by Natural selection was to
A.	All the living organism around
B.	Only the animal around
C.	The surrounding atmosphere
D.	The natural environment including the biotic and abiotic factors
Answer» E.

Discussion

190.	The green color of the plant is called
A.	Chloromore
B.	Chloroless
C.	Chloroplast
D.	Chlorophyll
Answer» E.

Discussion

191.	The ecological foot print is a measure of ecological inpact of
A.	1 and 3
B.	2 only
C.	1, 2, and 3
D.	3 only
Answer» D. 3 only

Discussion

192.	Garbage can be put under four categories : organic, toxic, soiled, and recyclable. Of the organic waste, this forms an important part.
A.	Plastic bags
B.	Vegetable peels
C.	Glass
D.	Metal
Answer» C. Glass

Discussion

193.	The word "biodiversity" is a combination of which two words ?
A.	Biology and diversity
B.	Biomass and diversity
C.	Biosphere and diversity
D.	None of these
Answer» B. Biomass and diversity

Discussion

194.	How many orangutans disappear each year as result of palm oil farming ?
A.	100
B.	500
C.	5000
D.	None of these
Answer» D. None of these

Discussion

195.	Which type of experiment has the maximum spatial scale ?
A.	Laboratory experiment
B.	Natural experiment
C.	Filed experiment
D.	None of these
Answer» C. Filed experiment

Discussion

196.	Nutrient cycling often operates at the scale of
A.	Biogeographic scales
B.	Individual space
C.	Local patches
D.	Closed systems
Answer» E.

Discussion

197.	Proper disposal of hazardous toxic waste is essential as exposure to it can cause serious problems to the health. Which is potentially the safest means of disposing of the most toxic wastes : organic solvents, chlorinated hydrocarbons, and oil-base compounds (including PCBs and dioxins) ?
A.	Municipal incineration
B.	Industrial high temperature incineration
C.	Landfills
D.	None of the above
Answer» C. Landfills

Discussion

198.	In a natural community, the primary consumers are...................
A.	Herbivores
B.	Carnivores
C.	Scavengers
D.	Decomposers
Answer» B. Carnivores

Discussion

199.	In white tail deer populations in Michigan, individuals most often show a.........pattern of dispersion.
A.	Clumped
B.	Banded
C.	Uniform
D.	Random
Answer» E.

Discussion

200.	'Nitrosomonas' bacteria in the root modules of leguminous plants converts nitrogen gas from air into inorganic nitrogen compounds which enrich the soil and can be readily used by plants. Multiple cropping with legumes can thus significantly reduce the need for ..................
A.	Pesticides
B.	Fertilizers
C.	Irrigation
D.	All of the above
Answer» C. Irrigation

Discussion

Explore topic-wise MCQs in Biology.

A Glass sided tank, bowl in which aquatic animals live

Which of the following terms best describes the inter-relationship between nitrogen-fixing bacteria and the clover in whose roots they live ?

Which of the following is the most chemiscally polluted

People all over the world have thought of innovative ideas for use of waste. One man in India, Nek Chand, has developed an exquisite artwork from garbage, a rock garden in this city.

Most waste generated in the house can be recycled, but there are certain items that cannot be recycled. In the list given below, which item is not recyclable.

In this method of disposal of organic waste where the waste is converted to fertilizer, this creature is put in the waste. Name it

On the IUCN 2009 red list, how many species are threatened with extinction and listed as such ?

Evergreen forests in India house the most diverse species of plants ans animals in the country and have two of the biodiversity hotspots of the world. Which of the following is NOT a region of evergreen. forests in India ?

When a plant is considered for tissue culture, one prerequisite is that it has to disease free. What is the other ?

An animal that only eats plants is called a

An animal that only eats other animals is called a

Over the last 100 Years global sea level has risen by about

This strain of rice was one of the first High Yielding Varieties of seeds developed in the world. Name it.

Municipal waste is disposed in the open dumps, landfills, sanitary landfills, and is also burnt in large furnaces. This method is known as

Plastic was once hailed as the wonder material but is now becoming a serious environmental and health problem due to its non-biodegradable nature, Burning of plastics, especially PVC, releases the following harmfull gas into the atmosphere.

An animal that eats both plants and animals is called a

Animals and plants that live in water are called...........

How many species are under threat in mainland France ?

Composting in one of the oldest forms of disposal of waste. It is the natural process of decomposition of organic waste that yields manure of compost. One of the following is added to the compost to get better results.

Sea level is expected to rise because of warmer climate due to the following :

Hazardous waste is generated mainly by the industrial sector. It not only causes harm to the environment but also leads to health problems. A small percentage of the hazardous waste is also generated in the house. One of the following is a hazardous waste that is generated in the house.

What is France's global ranking in terms of the number of animal species under threat ?

Crude all is some times labelled as sour because

The branch of Biology dealing with the relations and interactions between organisms and their environment

SPM stands for

In the world's worst nuclear accident in 1986, 31 people died, 129 others suffered acute radiation and many thousands are expected to die prematurely as a result of exposure to radiation released from the stricken plant. Name the site of this mishap.

The Geysers, a large steam reservoir North of San Francisco, USA, is the would's largest source of

Name the metal contained in broken fluorescent bulbs, tube lights and dead batteries which gets transported with common municipal solid waste and can be easily swallowed, inhaled or absorbed through the skin and can cause damage to the kidneys and nervous system.

The Wildlife Week is celebrated from

The progressive series of changes that eventually produce a climax community on what was once a bare rocky island is an example of

Which major theory of environmental ethics holds that the environment deserves a kind of direct moral consideration that is not merely derived from human (or animal) interests ?

Life expectancy ...............

Organisms the produce many offspring and are not limited by density-dependent factors, usually follow a ................

The world biodiversity day is celebrated annually on

The continous sequence of natural processes by which nitrogen in the atmosphere and introgenous compounds in the soil are converted

When one animal is used to suppress another, it is called this, For example, if snakes are encouraged in an area, the rodent population will be controlled. What is the term used ?

This naturally occurring element in the rice husk makes it termite resistant ?

A system formed by the interaction of a community of organisms with its environment

The reference to nature in charles Darwin's theory of evolution by Natural selection was to

The green color of the plant is called

The ecological foot print is a measure of ecological inpact of

Garbage can be put under four categories : organic, toxic, soiled, and recyclable. Of the organic waste, this forms an important part.

The word "biodiversity" is a combination of which two words ?

How many orangutans disappear each year as result of palm oil farming ?

Which type of experiment has the maximum spatial scale ?

Nutrient cycling often operates at the scale of

Proper disposal of hazardous toxic waste is essential as exposure to it can cause serious problems to the health. Which is potentially the safest means of disposing of the most toxic wastes : organic solvents, chlorinated hydrocarbons, and oil-base compounds (including PCBs and dioxins) ?

In a natural community, the primary consumers are...................

In white tail deer populations in Michigan, individuals most often show a.........pattern of dispersion.

'Nitrosomonas' bacteria in the root modules of leguminous plants converts nitrogen gas from air into inorganic nitrogen compounds which enrich the soil and can be readily used by plants. Multiple cropping with legumes can thus significantly reduce the need for ..................