Which of the following is a common symptom of calcium deficiency in tomato plants?
At temperatures above freezing, activities of food borne microorganisms can be:
Crossing of a hybrid with one of its parents or an individual genetically similar to its parent is known as?
Which of the following family does the weed Grass belongs to?
What sensory organs are located in membranous sockets lying in front of the compound eyes of a cockroach?
The operation of pulsing is done for ____
Which spice is primarily propagated using the trench method of sucker production?
The temporary roots in maize root system are
Which of the following is an example of a symbiotic bacterium commonly found in root nodules?
Which one of these metals is used as a shield against radioactive emissions?