Universe and organic evolution - class-X
| Description: universe and organic evolution | |
| Number of Questions: 37 | |
| Created by: Preeti Dasgupta | |
| Tags: biology universe and organic evolution |
Edaphic factors are included in
Term biosphere is used for the zone of earth where life exists
What is function of biosphere?
Which of the following is limiting factor in the productivity of the ocean:-
"To meet with the deficit which occurs due to imbalance in the rate of influx and efflux" is the function of?
'Biosphere' is a thin sphere that encapsulates the;
Which of the following is the ultimate source of energy for all living organisms?
The sphere of living matter found on the surface of earth comprises.
The ultimate source of our energy is
Which of the following gave the term biosphere?
Lithosphere is made up of
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.
Tiger belongs to which of the following biotic components of the environment?
Which of the following components of the environment includes the plants?
Total number of stars present in universe is :
On an average a galaxy has stars :
The Part of earth and atmosphere supporting life is _____________.
The farthest planet of solar system is :
Inferior planets are :
The largest planet of solar system is :
Lithosphere comprises :
Concentration of ozone in troposphere is :
Which was not present freely in the early atmosphere of the earth?
Thickness of lithosphere is
Lithosphere comprises
Study of impact of extra-terrestrial environments on organisms belonging to earth is component of
Archaeology and linguistics are constituents of
Assertion : Formation of new species is called speciation.
Reason : The deme has a common gene pool.
The sphere of living matter found on the surface of earth comprises
State whether the following statements are true or false .
Horowitz showed that the earliest organisms were probably heterotrophs.
What is thickness of 'lithosphere' at ocean region?
Choose the correct answers from the alternatives given .
All living organisms on the earth constitute
Who first gave concept of biosphere?
How much percent earth's volume lithosphere have?
The Dehang Debang Biosphere Reserve is located in which among the following states?
Nokrek Biosphere reserve is located in which of the following states?
Land mass occupies about