- Which one is the Epoch of greater human influence on the environment?
a. Neocene
b. Anthropocene
c. Miocene
d. Oligocene - The hot melted rocky zone of the earth mantle.
a. Aquifer
b. None
c. Asthenosphere
d. Crust - The number of species that will extinct in near future due to environmental influences.
a. Back extinction rate
b. Extinction frequency
c. Biodiversity reduction rate
d. Ecological pressure - Which one of the following is not a biofuel?
a. Methane
b. Biodiesel
c. Ethyl alcohol
d. All are biofuel - Which one process is used for the removal of carbon from coal-burning plants.
a. Carbon capture and storage
b. Carbon fixation
c. Carbon filtration
d. Carbon absolute - CO2 produced by an individual within an area is called
a. Carbon share
b. Carbon footprint
c. Carbon source
d. Carbon life - Conversion of solid coal into gaseous fuel (SNG) is named as
a. Refueling
b. Gasification
c. Cracking
d. Breaking - The process in which one fuel source produces two or more energy sources is named as
a. Energy harvesting
b. Cogeneration
c. Two-way generation
d. High yield harvest - Which one is not a type of partially decayed organic material used as a fertilizer?
a. Compost
b. Litter
c. Humus
d. All are types of organic matter - Which is correct in the case of caliche?
a. White Stone
b. Calcium carbonate-rich soil horizon
c. Metamorphic rocks
d. All are true - The carrying capacity of an ecosystem means how much?
a. Energy harvested in that ecosystem
b. Sustainability of total individuals of an ecosystem
c. Reaction rate of an ecosystem to population pressure
d. All are terms of carrying capacity - A group of the same species within a population that have a distinct genetic constitution?
a. Biological caste
b. Systemic collection
c. Ecotype
d. Intraspecific group - Which one is not eutrophic?
a. A high nutrient contents
b. High biological productions
c. Can be applied to any ecosystem
d. Lakes are excluded - Total energy fixed within an ecosystem by all autotrophs?
a. Net primary production
b. Gross primary production
c. Fixed productivity
d. Both a & c - Which species have an impact at a greater level in an ecosystem?
a. Keystone species
b. Exotic species
c. Main species
d. Positive species - Which one soil horizon has weathered parent materials?
a. A Horizon
b. B Horizon
c. C Horizon
d. O Horizon - Which one is not true in the case of tropical rain forests?
a. Present across the equator
b. 100 north and south latitude
c. Highest rainfall and primary production
d. Having least influence by human activity - The average temperature of the tropical rain forest is about?
a. 0 – 10 0C
b. 10 – 20 0C
c. 25 – 27 0C
d. 35 – 40 0C - Tropical dry forests occur across the __.
a. 15 – 17 0 latitude
b. 10 – 25 0 latitude
c. 25 – 27 0 latitude
d. 35 – 40 0 latitude - Least organic matter is present in the _.
a. Tropical dry forest
b. Grassland
c. Deserts
d. Tundra - Which one is incorrect in the case of upwelling?
a. Occurs on the west coast of Antarctica
b. Water of the oceans moves upward to the surface
c. Both correct
d. None - Boreal forests are also called as _?
a. Taiga
b. Tundra
c. Savanah
d. None - The species which survive in a harsh environment?
a. Keystones
b. Ruderals
c. Underpinning
d. Grounds - “Love of palace” explained in the term?
a. Philopatry
b. Allopatric species
c. Restricted species
d. Homeland species - Synchronous fruit production by the plant’s species at a time is called;
a. Climacteric
b. Centric Ripening
c. Masting
d. Homogenous ripening
Note: One thing to keep in mind is that if you want to get some benefit, you have to solve the Quiz first, and then you have to look at the key given below.
7 Days PPSC Planner Zoology – Quiz 9 – Environmental Biology