Which of the following parts of the sun is easily visible only during a total solar eclipse?
Biofortification is a ________________ .
Which among the following has the maximum life span
In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.
In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.
Thermal electricity is generated by using which of these ?
The large collection of stars, dust and gas held together by gravitational attraction between components is known as
Gustation refers to the sense of which of the following ?
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