EasyZoologyBIOMOLECULES
+4 / -1
Which of the following elements constitutes second highest % weight of Earth’s crust?
A
Silicon
B
Oxygen
C
Magnesium
D
Carbon
Explanation
Oxygen is the most abundant element and silicon (Si) is the second most abundant element present in the Earth’s crust. Calcium is 3.6% in Earth’s crust and 1.5% in human body. Carbon is 0.03% in earth’s crust and 18.5% in human body.
Previous
Select the incorrect statement from the following.
NextChoose the correct option w.r.t. bonds that may be present in tertiary structure
More from BIOMOLECULES
Medium
Match List-I with List-II. List-I (A) Heterocyclic compound (B) Linking together of two compounds (C
MediumName the class of enzymes that catalyze the removal of groups from substrates by mechanisms other th
MediumWhich of the following describes the given graph correctly?
MediumMatch the column-I with column-II. Column–I Column–II-----------------------------------------------
EasyPeptide bond is formed when
EasyChoose the correct option to complete the analogy w.r.t. amino acids. Acidic : Glutamic acid :: Neut
Practice Zoology Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams