Six boxes containing items, Bags, Shirts, Pens, Socks, Books and Shoes, are placed one above the other. Box of Shoes is kept at the top. There are three boxes between Bags and Pens. Box of Socks is kept immediately below Box of Pen. Box of Shirts is kept above Box of Books. How many boxes are kept above Box of Books?

Which of the following mechanisms do not encourage cross pollination?

Pungency in onion bulb is due to:

Which of the following nematode is kidney shaped:

Raising of the re-growth obtained from roots of stalks after harvest of a crop is termed as:

In north India, sugarcane is mostly used with how many buds?

Semi – conservative mode of DNA replication was proved by

Which of the following is a floating weed?

Which one of the following is not a measure to reduce the risk?

Training of Rural Youth for Self Employment (TRYSEM) was launched in the year

Scheduling of irrigation depends decides