Questions

Which of the following is an excretory organ of cockroach?

Which of the following is a major river in Bangladesh which is also the main distributary of the Ganges?

Gaseous exchange takes place in leaves through tiny pores for the purpose of photosynthesis. What are these pores?

Which one of the following is a cation?

Which among the following is not a characteristic of oxidation reaction?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
Inspite of the doctor's stern warning (1)/ Latika continued taking (2)/ sugars in her milk. (3)/ No Error (4)

Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)

What is the name of the asteroid that causes Geminid meteor shower display around 15 December of every year?