Which resources are non-renewable

A. Geo thermal
B. Fossil fuels
C. Solar
D. None of these

Chemical formula of washing soda is___ ?

A. Na2so4
B. Nahco3
C. Na2so4.10h2o
D. None of these

Which Protein Factory for RNA ?

A. Ribo somes
B. Dna
C. Chromosomes
D. None of these

Full-grown tree absorb annually how much Carbon dioxide?

A. 48 pounds
B. 50 pounds
C. 52 pounds
D. None of these

The most natural event in Nutrient Cycle is?

A. Secondary production
B. Nutrient cycle
C. Primary production
D. None of these

______is non-viral disease ?

A. Hiv/aids
B. Influenza
C. Measles
D. Cancer

______is used to measure altitude from sea

A. Altimeter
B. Barometer
C. Hygrometer
D. None of these

The process of protection of Iron by Zinc coating is called ?

A. Tempering
B. Galvanizing
C. Smelting
D. None of these

Which material is used in normal pencil?

A. Carbon
B. Graphite
C. Silicon
D. None of these

Explanation: The most popular type of pencil is a graphite pencil, which is enclosed in wood. They’re composed of a blend of clay and graphite and range in colour from light grey to black

NASA Mars audio reveals how many speeds of sound ?

A. 1
B. 2
C. 3
D. 4