MCQ
Which is correct about nitrogen fixation by legumes. They fix nitrogen through
- ✓Specialised bacteria in their roots
- BSpecialised bacteria in their leaves
- CIndependent of bacteria that live in their roots
- DThe statement is wrong
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Statement $2$: Father is not responsible for the sex of the child
$I.$ Communication was not easy
$II.$ Concept of factors which did not blend was not accepted
$III.$ Use of mathematics to explain biological problem was unacceptable
$IV.$ He could not provide any physical proof for the existence of factors Choose the right combination