A. Mo
B. Al
C. Fe
D. All the above
Related Mcqs:
- Most abundant mineral in the earth crust is______________________?
A. N-Feldspar
B. Feldspar
C. S-Feldspar
D. Amplubole - Fine-graned rocks formed on earth crust are called____________________?
A. Intensive igneous rock
B. Extrusive rock
C. Sedimentary rock
D. Plutonic - Potassium (K) occurs as a constituent of the earth’s crust in the proportion of_________?
A. 23 %
B. 2.3 %
C. 17 %
D. 1.7 %Submitted by: Shafiq Rehman
- Oxygen and Silicon together comprise approximately ______ %of the earth crust?
A. 64 %
B. 79 %
C. 75 %
D. 73 %Submitted by: Shafiq Rehman
- The relative abundance of three types of rocks ( igneous-metamorphic- sedimentary) in the earth’s crust is_________?
A. 12.5 % -12.5 % – 75%
B. 64.7 % – 27.4 % – 7.9 %
C. none of A & B
D. 7.9% – 27.7 % – 64.4Submitted by: Shafiq Rehman
- Which element is found highest in earth crust?
A. Aluminum
B. Silicon
C. Sodium
D. None of the aboveSubmitted by: Shafiq Rehman
- After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?
A. Heterogeneous
B. Heterozygous
C. Homogenous
D. Homozygous - The deficient level of N (%) in plants suggested by various workers is____________________?
A. 0%
B. 3%
C. 5%
D. 10% - An atmosphere with reduced concentration of O2 and increased concentration of CO2 is called_______________?
A. Refrigeration
B. Oxidation
C. Humidity control
D. Controlled atmosphere - The most highly advanced division in plants kingdom is____________________?
A. Pteridophtes
B. Tracheophyta
C. Taxonomy
D. None of the above