Question
Which method of plant disease management involves
eliminating or inactivating disease organisms after their establishment?Solution
Explanation: Eradication involves eliminating or inactivating disease organisms after they have established themselves.
If in a ΔABC, the external angle bisector of angle A, meets BC when extended at a point D, BD = 5cm , BC = 3 cm then what is AB:AC ?
In the given figure CD is parallel to AB then ∠y is?
In ∆ABC , G is the centroid , AB = 5 cm, BC= 6 cm and AC = 7 cm , find GD, where D is the mid-point of BC?
Angles of a triangle are in the ratio 3 : 4 : 8. Find the measure of the largest angle of the triangle.
AB is the diameter of a circle with centre 'O'. PQ is a chord that cuts AB at 'C'. If radius of the circle is 7.5 cm and AC:CB = 3:2, the find the lengt...
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 54 cm 2 , then the area of ∆BGD is?
The perimeters of 2 similar triangles ∆ABC and ∆PQR are 18 cm and 12 cm respectively. If PQ= 8 cm, then AB is?
In ∆ABC , G is the centroid , AB = 20 cm, BC= 24 cm and AC = 28 cm , find GD, where D is the mid-point of BC?
∆ABC and ∆DEF are similar and their areas are respectively 121 cm2 and 144 cm 2 . If EF = 24 cm BC is?
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