Which of the following is non symbiotic bio-fertilizer
YAM
Anabaena
Azotobacter
Rhizobium
C.
Azotobacter
Anabaena, Nostoc, Aulosira etc., are agriculturally very important as non-symbiotic bacteria also called free living nitrogen fixing bacteria. VAM, Azotobacter and Rhizobium are symbiotic organisms.
Consider following features
(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics
Annelida, Arthropoda and Mollusca
Arthropoda, Mollusca and Chordata
Annelida, Mollusca and Chordata
Annelida, Arthropoda and Chordata
Lactic acid is produced by Rhizopus species
R. oryzae
R. stolonifer
R. nodosus
R. sexualis
In some animal groups, the body is found divided into compartments with at least some organs/ organ repeated. This characteristic feature is named
Segmentation
Metamerism
Metagenesis
Metamorphosis
Given below are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?
Choanocytes
Interstitial cells
Gastrodermal cells
Nematocytes
