Grade 11 , Biology ,Time allowed (3) hours Write your answer in your answer booklet. Don’t copy the questions. 1.State TRUE or FALSE to the following statements. Don’t copy the statements. (20 marks) (i)

Action force and reaction force cannot ……… out each other. (5) Force has both magnitude and ……. . (6) Force is a ……… quantity. (7) The SI unit for force is ……….. . (8) Mass is a measure of ………. . (9) The

15.The universe has the ………. size. 15.largest 16.The unit slug is the unit of ……… . 16.mass The SI unit is the modified form of …….. system. 17.MKS A watch can be used to measure the ……… . 18.time The

2). Can you tell what kind of quadrilateral it is? A quadrilateral has as vertices the points M(a,b), N(c,d), Q(c+d,e), P(a+d,e). Find the slope of each side. C is the mid-point of AB, A if the point (-3,-2),

Quantities that have only ………. are called scalars. A ……… has both magnitude and direction. The change in position along a certain direction is called ……… . Force is a ……… quantity. Mass is a …….. quantity.

equation v ̅ =(v_0+v)/2 can be used when the body is moving with _____ acceleration. (13) Displacement does not depend on the _____ travel. (14)Speed is a _____ quantity. (15) Velocity has both _____ and

then the segment makes an actual angle with the positive direction of X-axis. 2. If m<0 , the line segment makes an obtuse angle with the positive direction of X-axis. 3. If m is either positive or

The combined effect of two (or) more vectors is called …….. . The vector sum of two vectors is called ……… vector. 18.The process of sub-dividing into two or more vectors is called ……… . A vector can be

.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

.log_x⁡x=1 E.log⁡(x/y)= log⁡x-log⁡y Which of the following is (are) true? 1.log⁡M/log⁡N =log⁡M-log⁡N 2.log⁡∛M=3 log⁡M 3.log_√a⁡M =2log_a⁡M A. 1 only B. 2 only C. 3 only D. 1 and only E. None of them 6.Which

arc PQ is A. 120 cm B. 60 cm C. π/6cm D. 2π/3cm E.π^2/18 cm If the central angle of a circle of radius 14 cm cuts off an arc of length 28 cm , then the radian measure of the angle is A. 2√2 B.2 C.1 D.

(e) Halogens have essential electronic structure of ………. . (f) In the reaction with ammonia, boron trifluoride behave as an ………. . (g) The IUPAC name of di-methyl methylene is ………. . Select the correct

(c) State how the process of photosynthesis takes place in green plants. (OR) Explain the process of alcohol fermentation supports by a relevant equation. (d) List the benefits of transpiration and explain

log_4⁡x=2log_16⁡x 2. log_b⁡x=3 log_(b^3 )⁡x 3. log_4⁡16= log_16⁡4 A. 1only B. 2 only C. 3 only D. 1 and 2 only E. 1 and 3 only 〖10〗^(1+log_10⁡3 )=…….. A.3 B.30 C. 3/10 D.10/3 E.15 8.(4)^log_2⁡3 =…….. A.3

Determine the slope of each side of the quadrilateral whose vertices are A(5,6), B(13,6), C(11,2). Can you tell what kind of quadrilateral it is? A quadrilateral has as vertices the points M(a,b), N(c,d),

log⁡M/log⁡N =log⁡M-log⁡N 2.log⁡∛M=3 log⁡M 3.log_√a⁡M =2log_a⁡M A. 1 only B. 2 only C. 3 only D. 1 and only E. None of them 6.Which of the following is (are) true? 1. log_4⁡x=2log_16⁡x 2. log_b⁡x=3 log_(b^3

. OPQ is a sector of a circle , center O and radius r cm , ∠ POQ = θ°.The area , in cm2 , of sector OPQ is A. rθ B.1/2 rθ C. r^2 θ D.(πr^2 θ)/(360°) E.(πr^2 θ)/(180°) O is the centre of the circle , and

A.4´1´´ B.4´ C. 3´11´´ D.3´10´´ E. 41/2´ For the sample 5,6,5,7,8,5,6,7,6,5 which of the following is (are) true? The median is 6 2. the mean is 6 3. the mode is 5. A. 1 only B.2 only C. 3 only D. 1 and

A. 2 B. 1 C.2/π D.1/π E.1/2 An arc PQ subtends an angle of 120° at the centre of a circle of radius 1 cm. The length of arc PQ is A. 120 cm B. 60 cm C. π/6cm D. 2π/3cm E.π^2/18 cm If the central angle

) E ={ 2, 4, 6, 8} (a) E = { x/ x is an even integer less than 10 } (b) E = { x/ x is an even positive integer less than 10 } (c) E = { x / x is positive integer, x< 10 and x is a multiple of 2} (2)