biology mcq questions and answers for competitive exams UPSC SSC , SSC CGL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
What would happen if human blood becomes acidic?
Wisdom teeth are
Chemical reactions could have converted simple organic compounds into for the origin of life.
Study of internal structure of organism is called :
Biofuel is obtained from the seed of -
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
Influenza is caused by
Plants that grow in saline water are known as :
Mycology is the branch of botany in which we study about
A plant bud is
One of the following is most suitable for study of mutations
Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led t
Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
Which of has following group of gases contribute to the 'Green House Effect'?
Fertilization is process in which
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