Which of the following is an excretory organ of cockroach?
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Which of the following organisms are considered to be both Living and Non-living?
Parallel venation is found in _____.
In synapse the information is transmitted in the _______ form.
Which of the following animals do NOT belong to the class of reptiles?
Which vaccine is primarily used against tuberculosis?
What is the common name of the solution of calcium hydroxide?
With which country, India has the longest international boundary?