Universe and organic evolution - class-X
Comprehensive quiz covering the universe, earth's structure (lithosphere, atmosphere, biosphere), and concepts of organic evolution
Questions
Edaphic factors are included in
- Abiotic components
- Biotic components
- producers
- consumers
Term biosphere is used for the zone of earth where life exists
- On lithosphere
- In the hydrosphere
- In the lithosphere and hydrosphere
- In the lithosphere, hydrosphere and atmosphere
What is function of biosphere?
- Competes for resources
- Cause destruction
- to sustain life
- Living and non living organism
Which of the following is limiting factor in the productivity of the ocean:-
- NItrogen
- Phosphorous
- Magnesium
- Both A and B
"To meet with the deficit which occurs due to imbalance in the rate of influx and efflux" is the function of?
- Biosphere
- Reservoir
- Solar energy
- Species diversity
'Biosphere' is a thin sphere that encapsulates the;
- Earth
- Universe
- Humans
- Plants and Animals
Which of the following is the ultimate source of energy for all living organisms?
- Food
- Milk
- Sun
- Electricity
The sphere of living matter found on the surface of earth comprises.
- Lithosphere
- Hydrosphere
- Atmosphere
- Biosphere
The ultimate source of our energy is
- Sun
- Electricity
- Wind
- Plants
Which of the following gave the term biosphere?
- Ernst Haeckel
- Aurthur Tansley
- Elton
- Eduard Suess
Lithosphere is made up of
- Crust
- Mantle
- Core
- Both A and B
Consider the following statements
(a) In prokaryotic cell, an outgrowth of plasma membrane into cell is called polysome
(b) SER is major site for glycoprotein synthesis
(c) RuBisCO is most abundant protein of biosphere
(d) Mitochondria, chIoroplasts and peroxisomes are not part of endomembrane system. Of the above statements.
- c and d alone are correct
- a and b alone are correct
- b and c alone are correct
- a and d alone are correct
- b and d alone are correct.
Tiger belongs to which of the following biotic components of the environment?
- Decomposers
- Carnivores
- Producers
- All of the above
Which of the following components of the environment includes the plants?
- Producer
- Decomposer
- Consumer
- None of the above
Total number of stars present in universe is :
- $10^{12} $
- $10^{16} $
- $10^{19} $
- $10^{22} $
On an average a galaxy has stars :
- 1000 million
- 100,000 million
- 1,00,000 million
- 1000,000 million
The Part of earth and atmosphere supporting life is _____________.
- Biosphere
- Biome
- Ecotone
- Biota
The farthest planet of solar system is :
- Uranus
- Staurn
- Jupiter
- Neptune
Inferior planets are :
- Farthest from Sun
- In orbits outside that of earth
- In orbits inner that of earth
- Gaseous planets
The largest planet of solar system is :
- Pluto
- Earth
- Mercury
- Jupiter
Lithosphere comprises :
- Pedosphere and outer crust.
- Outer crust and lower crust .
- Pedosphere, outer crust and lower crust.
- Crust and part of upper mantle.
Concentration of ozone in troposphere is :
- 0.05 ppm
- 0.1 ppm
- 1.5 ppm
- 10.0 ppm
Which was not present freely in the early atmosphere of the earth?
- Water
- Carbon monoxide
- Hydrogen
- Oxygen
Thickness of lithosphere is
- 20 km
- 40 km
- 70 km
- 10 - 18 km.
Lithosphere comprises
- Crust part of earth
- Crust and outer part of mantle
- 1-2 km thick cover of earth comprising rocks
- Outer 10-15 km thick crust of earth.
Study of impact of extra-terrestrial environments on organisms belonging to earth is component of
- Ecology
- Cosmology
- Exobiology
- Ethnology.
Assertion : Formation of new species is called speciation.
Reason : The deme has a common gene pool.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
- If the assertion is false but reason is true
The sphere of living matter found on the surface of earth comprises
- Lithosphere
- Hydrosphere
- Atmosphere
- Biosphere
State whether the following statements are true or false .
Horowitz showed that the earliest organisms were probably heterotrophs.
- True
- False
What is thickness of 'lithosphere' at ocean region?
- 10-20 km
- 10-12 km
- 12-18 km
- 10-18 km
Choose the correct answers from the alternatives given .
All living organisms on the earth constitute
- biome
- biosphere
- population
- community
Who first gave concept of biosphere?
- Jabir bin ayan
- Augustine
- Edward Suess
- Edwin
How much percent earth's volume lithosphere have?
- 3%
- 1%
- 2%
- 6%
The Dehang Debang Biosphere Reserve is located in which among the following states?
- Manipur
- Assam
- Sikkim
- Arunachal Pradesh
Nokrek Biosphere reserve is located in which of the following states?
- Assam
- Meghalaya
- Manipur
- Tripura
Land mass occupies about
- 14 million hectares
- 140 million hectares
- 1400 million hectares
- 14000 million hectares