Biology Which of the following bacterium causes crown gall disease in plants? Pseudomonas fluorescens Bacillus thurigiensis None of these Agrobacterium tumefaciens Pseudomonas fluorescens Bacillus thurigiensis None of these Agrobacterium tumefaciens ANSWER DOWNLOAD EXAMIANS APP
Biology The branch of botany which deals with identification, nomenclature and classification of an organism is known as Taxonomy Morphology Phytochemistry Paleobotany Taxonomy Morphology Phytochemistry Paleobotany ANSWER DOWNLOAD EXAMIANS APP
Biology The water and mineral salts are transported to the various organs by which of the following? Cambium Xylem Cortex Phloem Cambium Xylem Cortex Phloem ANSWER DOWNLOAD EXAMIANS APP
Biology It is formed by a repeating nucleosome units ,which are closely attached to each other to a continuous fibre. Chromatin Chromosome DNA Centromere Chromatin Chromosome DNA Centromere ANSWER DOWNLOAD EXAMIANS APP
Biology The bone tibia is found in Leg Mouth Skull Arm Leg Mouth Skull Arm ANSWER DOWNLOAD EXAMIANS APP
Biology The bone of the which organ is the longest in the human body ? Rib cage Thigh Spinal cord Ankle-bone Rib cage Thigh Spinal cord Ankle-bone ANSWER DOWNLOAD EXAMIANS APP