Environment Quiz
Preview:
Rhizohium culture is used to increase biological nitrogen fixation in….
A. Cereals crops
B. Pulse crops
C. Cotton
D. Oilseeds
What is the theme of environment day 2020
A. Beat air pollution
B. Beat plastic pollution
C. Celebrate Biodiversity
D. Connecting people to nature
Which of these play a very important role in causing rain fall
A. Vehicles
B. Animals
C. Factories
D. Plants
The presence of autotrophic mycorrhiza enhances the uptake of nutrients in general, but particularly of:
A. Iron
B. Molybdenum
C. Phosphorus
D. Nitrogen
Match the following Picture (representation) to the Correct Symbiotic Relationship by drawing a line from the word to the picture that matches the relationship
A. A-A, B-A,C-B
B. A-B, B-C,C-C
C. A-C, B-B, C-A
D. A-C, B-B, C-C
Which of these activities is eco-friendly?
A. Cars for transportation
B. Polybags for shopping
C. Windmills for generating power
D. Dyes for colouring clothes
Lichen is the symbiotic association of—————-
A. Fungi & Bacteria.
B. Fungi & Algae
C. Algae & Bacteria
D. Protozoa & Virus
Rhizosphere refers to the small area:
A. Around the root
B. Near the primary root
C. On the root
D. All of the above
In plants, respiration occurs
A. During the day only
B. During the night only
C. During day and night
D. Only when photosynthesis does not take place
Deforestation causes
A. More floods
B. Reduced rainfall
C. Soil erosion
D. All the above
———-is the obligatory interaction.
A. Mutualism
B. Commensalism
C. Ammensalism
D. Cooperation
Oxidation of sulfure to sulphate is carried out by:A.B.C.D.
A. Aspergillus spp
B. Azotobacter spp
C. Bacillus spp
D. Thiobacillus spp
The word Environment is derived from
A. Greek
B. French
C. Spanish
D. English
———is the type of endosymbiosis.
A. Cooperation
B. Commensalisms
C. Mutualism
D. Predation
In Lichen, the fungle partener is called as————- a) . b) . c) . c) .
A. Phacobiont
B. Mycobiont
C. Photobiont
D. All of above
The fungal mycelium in Mycorrhizae penetrates the root cells by means of projections called———
A. Hausteria
B. Arbuscules
C. Absorbing organ
D. None
The two components of a ecosystem are
A. Plants and animals
B. Biotic and Abiotic
C. Plants and light
D. Weeds and micro-organisms
Antagonistic substances released by microorganisms in the rhizosphere may allow plants to enter ………………. relationship with other plants.
A. commensal
B. symbiotic
C. amensal
D. competition
Dehydrogenase is an endoenzyme
A. TRUE
B. FALSE
C. Don’t know
The ultimate source of energy in an ecosystem is the
A. producers
B. Consumers
C. Sun
D. Decomposers
Which of the following relationships identifies a situation in which two species share a requirement for a limited resource thus reducing the fitness of one or both species? A
A. Parasitism
B. Competition
C. Decomposition
D. Mutualism
What are considered as bioindicators of air pollution
A. Mycorrhizae
B. Lichens
C. Rhizosphere
D. None of the above
Biofertilizer is a:
A. Mixture of organic matter and microorganism
B. Culture having the desired strain of microorganisms
C. Mixture of inorganic fertilizer and microorganism
D. Decomposed compost enriched with mineral solubilising bacteria
Commonly used method for enumeration of soil microbial population is:A.B.C.D.
A. Contact slide technique
B. Dilution plate technique
C. Microscopic count
D. Microbial respiration
The microbes, which can survive at the temperature 25 – 30 C is termed as:
A. Thermoduric
B. Mesophilic
C. Psychrotrophic
D. Psychrophilic
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