Question: Which of the following is a major constituent of DNA and RNA?
Options
A : Calcium
B : Cobalt
C : Selenium
D : Phosphorous
Biology Ecosystem Phosphorus Cycle more questions
CaO(s) + H2O -> Ca(OH)2 -where this chemical reaction occur?
Which of the following is not a metamorphic change?
Bituminous is a common type of _____________
What material is the exoskeleton of the cockroach made of?
In coated pits, the cytoplasmic surface is coated with:
Which of the following metals does not react with hot....
Milk is the only source of __________ in nature.
Which of these are not deposited in the lumen of....
Which of the following mineral is affected by heat treatment....
Which of the following are the colloidal materials present in....
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Biology Ecosystem Carbon Cycle
Biology Ecosystem Decomposition 1
Biology Ecosystem Energy Flow 1
Biology Ecosystem Hydrarch Succession
Biology Ecosystem Nutrient Cycling
Biology Ecosystem Productivity 1
Biology Ecosystem Structure Function 1