### NEET Ecosystem Practise Questions 2017

1. Pyramid of numbers deals with number of (a) species in an area (b) individuals in a community (c) individuals in a trophic level (d) […]

1. Pyramid of numbers deals with number of (a) species in an area (b) individuals in a community (c) individuals in a trophic level (d) […]

1. Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example. (a) Colour change in […]

68. In the circulatory system of Pheretima, a, b, c and d represents a) A-Lateral hearts, B-Sub neural vessel, C-Commissural vessel, D-Lateral oesophageal vessel (b) […]

1. Choose the correct statement. (a) Members of Phycomycetes are facultative parasites on plants. (b) Fusion of protoplasm between two motile or nonmotile gametes is […]

1) The coefficient of x in the determinant a) 1 b) 0 c) 2 d) none of these 2) If A is any m x […]

1) The value of the determinant a) 0b) -1c) 1d) 10 2) a) a/b is one of the cube roots of unityb) a is one […]

1) The value of the determinant a) b) c) d) 2) The solution set of the equation a) b) c) d) 3) If A is […]

1) If the system of equations x + ay + az = 0, bx + y + bz = 0, cx + cy + z […]

1) The number of lines that are parallel to 2x+6y+7=0 and have an intercept of length 10 between the coordinate axes is a) 1b) 2c) […]

1) The angle between the lines x = 1, y = 2 and y = -1, z = 0 isa) b) c) d) 2) The […]

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