Question
Which herbicide kills all types of weeds?
Solution
Selective herbicide: A herbicide is considered as selective when in a mixed growth of plant species, it kills some species without injuring the others.e.g. Atrazine Non-selective herbicide: It destroys majority of treated vegetation e.g. Paraquat
___________ is an important mineral nutrient
Which of the following is also known as dry iceÂ
1 mole of carbon atoms = ______ g of carbon atoms
Who among the following developed the technology of under-ground nuclear explosion?
India tops the world in production ofÂ
Which part of cinnamon tree is used in condiments and medicines ?
What is the S.I. unit of electric potential difference?
What is the gravitational force on an object of mass 5 kg on Earth?
Zero group was introduced by
A person weighing 80 kg is standing in an elevator that is accelerating downward at 3 m/s². What is the apparent weight? (Take g = 10 m/ s²)
