In the atmosphere of the primitive earth there was no : – McqOptions

MCQOPTIONS

1.	In the atmosphere of the primitive earth there was no :
A.	oxygen
B.	carbon dioxide
C.	nitrogen
D.	ammonia
Answer» B. carbon dioxide

Discussion

No Comment Found

Related MCQs

Which one of the following is not a landform which results due to rejuvenation of ariver? [IAS 2007]
Consider the following statements about the 'RoaringForties': 1. They blow uninterrupted in the Northern and Southern Hemispheres 2. They blow with great strength and constancy 3. Their direction is generally from North-West to East in the Southern Hemisphere 4. Overcast skies, rain and raw weather are generally associated with them Which of these statements are correct?
Oolong tea is: [IAS 2003]
The climate best suited for horticulture is :
Of the following the busiest oceanic trade route is:
The International Date Line passes through: [LlC, AAO 1994]
Which of me following climatic type suffers change due to shifting of the World's Pressure Belts?
The tropical cyclones-Hurricanes and Typhoons-develop and mature:
At 12 noon of December 21, you observe that you cast no shadow as you stand in brightsunlight. So you must be, somewhere near:
The best representative of the acid igneous rocks is : [IAS 2003]