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(e) State the nature of a nerve and a synapse. (OR) Explain how vegetative propagation takes place in strawberry and potato. (f) Clarify what you understand of diploid and haploid condition in cell division.

((a2+b2 )^2 (a+b))/(a-b)^2 =…………. A.(a+b)3 B.(a-b)3 C.(a-b)(a+b) D.(a-b)2 (a+b) E.(a-b)(a+b)3 11.If 152x+1=1 ,then x=………. A. -1 B. 0 C. 1/2 D. -1/2 E.-2 If (0.2)x=125 , then x=……… A. -3 B.0 C.3 D.4 E.5

If the sum of the vectors is zero, the two vectors have same magnitude and ……… directions. 11.Quantities that have only ………. are called scalars. A ……… has both magnitude and direction. The change in position

.Find the slope of each line which contains each pair of points listed below. (a) (0,0) and (8,4) (b) (10,5) and (6,78) (c) (2,-2) and (4,2) (d) (0,3) and (-2,3) (e) (-2,0) and (0,6) (f) (15,6) and (-2,23)

The unit of force in SI is ………. . The unit ……… is the same as newton meter. The unit of work done in British system is ………. . A wound clock spring has the ………. energy. The energy may be given in terms

A quantity that has both magnitude and direction is called a ……… . The thing that cause the body to move is called ……… . The magnitude of resultant vector of two vectors have the same magnitude and opposite

A. 2:3 B. 8:3 C. 4:6 D. 3:8 E. None of these 6600 feet : 2 miles =………… A. 8:5 B. 5:8 C. 33:1 D. 22:1 E.3300:1 If 1/2x+y=2x, then x:y=………. A. 1:2 B. 2:3 C.3:4 D. 3:5 E. 4:5 The ratio 27:36 , expressed as

(1) The set N of natural numbers. (2) The set J of all positive integers. (3) The set P of all prime numbers. (4) The set A of all positive integers that lie between 1 and 13. (5) The set B of real numbers

. If [2/3]^(x+3) = [8/27]^2, then x is equal to….. A.2 B.3 C.5 D.8 E.9 If 312x+1 . 3x+4= 99, then x=………. A.4 B.5 C.6 D.7 E.1 4.√288 + √200 + √392 =…….. A.20√2 B.16√2 C.10√2 D.8√2 E.4√2 In the circle O,

Question No.1 – Blank Type Fill in the blanks. The SI unit of force is ………. . The unit of force in SI is ………. . The unit ……… is the same as newton meter. The unit of work done in British system is ……….

A. 1 B. 2 C. 2 D. 4 E. 5 The scientific notation 3.5 ×103 multiplied by 3 is A. 1.05 ×102 B.1.05×1010 C. 1.05×103 D.1.05×109 E. 1.05×104 The scientific notation 8.2×10-4 + 5.4×10-4=……… A.1.35×10-5 B. 1.36×10-4

b) The gas spread itself uniformly throughout any containers. (c) Indicators are required in all types of titrations. (d) Solid sodium chloride conducts electricity. (e) Reduction brings about a decrease

(22) The symbol of density is ρ and it is a …….. quantity. (23) The SI unit for pressure is …….. . (24) The total momentum of an …….. system is constant. (25) The product of mass to velocity is ……… . (26)

Find the slope of the lines passing through the points (0,0) and (8,4). (3 marks) The vertices of a triangle ate the points A(-2,3), B( 5,-4) and C(1,8). Find the slope of each side and also the slope

(d) (0,3) and (-2,3) (e) (-2,0) and (0,6) (f) (15,6) and (-2,23) (g) (-5,7) and (3,8) (h) (63,49) and (-7,9) (i) (5/2 ,4/3 ) and (-13/2 ,16/3 ) (j) (2a,3b) and (-a,b) (k) (5√2 ,6√3 ) and (√8, √12) (l)

) The set J of all positive integers. (3) The set P of all prime numbers. (4) The set A of all positive integers that lie between 1 and 13. (5) The set B of real numbers which satisfy the equation 3x2

The slope of the line joining the points(x,-3) and (9,11) is 2 then x=………… A.8 B.4 C.-4 D. 2 E.-2 The points A(2,-2) , B(4,2) and C is any point on AB. What is the slope of AC? A.1/2 B.1 C.2 D.-2 E.-1

The mean of a , 5a, 9a is 15. The mean of a, 3a, 5a, 7a is A.4 B.6 C.9 D. 12 E.15 The mean of 27 numbers is x. If each of 27 numbers is increased by 81 , the increase in the mean is A. 3 B. 9 C. 27 D.

.The diameter of a circle is 10 cm and the chord through a point P, the midpoint of the chord is 6 cm . The distance of P from the centre O is A.3 cm B. 4 cm C. 5 cm D. 6cm E. 7 cm In the figure, PR⊥OQ

(1) The set N of natural numbers. (2) The set J of all positive integers. (3) The set P of all prime numbers. (4) The set A of all positive integers that lie between 1 and 13. (5) The set B of real numbers