Which of the following is an excretory organ of cockroach?
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Blood leaving the liver and moving towards the heart has a higher concentration of _____ .
The embryo gets nutrition from the mother's blood with the help of a special tissue called
________, succeeded to the throne of Ferghana in 1494 when he was only 12 years old.
What are the names of the two identical long tailed macaques cloned by the Chinese Scientists?
The bill of rights includes which of the following freedoms?
Which is the coldest planet?
______ is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.