Eriosoma lanigerum, Woolly aphid, is an important pest in which of the following?
Woolly aphid is black aphid that sucks sap from woody stems of apple, cotoneaster and pyracantha and covers itself in a white waxy secretion. Aphids are sap-sucking true bugs and are an important part of many food chains, supporting many predators.
Lightning is seen before thunder because
Which country will host the G-20 summit in 2023?
Consider the following statements :
1. The Arctic Circle is connected with the Pacific Ocean by a narrow stretch of shallow water kno...
A, B, C, D and E are standing in row. 'A' is between 'B' and 'D'. E is not at the starting of row. 'C' is just before D.
Study above statement an...
A cone is formed by rotating an equilateral triangle about its altitude. Fill in the blank.
Equilateral triangle : Cone = Square: ____
5 different ornaments were made and 5 boxes, one for each with the names of the ornaments written over them. In how many ways can one put one ornament i...
Consider the following statements :
1. The Alps are young fold mountains with rugged relief and high conical peaks.
2. ...
A cut on the palm heals faster than that on the knee because
Consider the following statements :
1. Ring wells found in post-Maurya period, were rows of pots, or ceramic rings arranged one on to...
