List of top Biology Questions

Black-foot disease is caused due to groundwater contaminated with excess of
Bacteria which reduce nitrates in soil to nitrogen are
Which one of these is an in situ method of conservation ?
Identify in order, the plants showing alternate, opposite and whorled phyllotaxy
Drupes are called stony fruits because they have
Neoteny refers to
A list of animals is given below. Identify the animals with open circulatory system and choose the correct answer. (a) Ascidia (b) Cockroach (c) Earthworm (d) Prawn (e) Silverfish (f) Snail (g) Squid.
"Triploblastic, unsegmented, acoelomate exhibiting bilateral symmetry and reproducing both asexually and sexually with parasitic forms". The above description is characteristic of phylum
Of the following the one which is example of buffer system in blood is
The transition zone between two communities is known as
Removal of introns and joining of exons in a defined order during transcription is called
The minerals involved in water splitting reaction during photosynthesis are :
The process in which haploid embryo is formed from haploid egg without fertilization is called
Bacteria and fungi in a forest ecosystem are generally
DNA strands are antiparallel because of the presence of
Which of the following is modification of leaf?
Match the following bacteria with diseases and choose the correct option.
A tree grows at the rate of 0-5 m per years. What will be the height of board fixed at 1-5 m above the base five years ago ?
Animals which have well developed echolocation system like that of bats are
Intercalary meristem occurs in
Name the term used to describe a single non-dominant species that dictates community structure
Persons who are colourblind cannot distinguish
Which of the following is/are true ? I. Biowar - Biowar is the use of biological weapons against humans and or their crops and animals. II. Bioethics - Bioethics is the unauthorised use of bioresources and traditional knowledge related to bioresources for commercial benefi ts. III. Biopatent - Exploitation of bioresources of other nations without proper authorization
Choose the correct sequence in the hierarchy of taxonomic categories in desending order
Which one of the following is not a characteristic feature of the subphylum Vertebrata ?