First Year Mathematics Guess Papers MCQ All Punjab Boards

 First Year Mathematics Guess Papers MCQ All Punjab Boards:

                              

 

Additional MCQ's (Exercise 2.1)

1. The Vertical line test is a method used to determine whether a graph represents a ___

(a) curve

(b) line
(c) circle
(d) function

2. If $f:X\to Y$ is a function, then X is called:
(a) Domain
(b) Range
(c) Function
(d) Dependent variable

3. A function which is one to one and into is called ___ function.
(a) surjective
(b) injective
(c) objective
(d) bijective

4. If $f(x)=2x^2+4x-2$, then $f(-2)=$
(a) −1
(b) −2
(c) 0
(d) 1

5. If $f(x)=x^2+x-1$, then $f(0)=$
(a) −1
(b) 0
(c) 1
(d) −2

6. Domain of $f(x)=\frac{x-1}{x-4}$ is:
(a) ℝ
(b) ℝ−{4}
(c) ℝ−{1}
(d) ℝ−{0}

7. Domain of $f(x)=\sqrt{x+1}$ is:
(a) −1
(b) (−∞,∞)
(c) [−1,∞)
(d) [1,∞)

8. Range of $f(x)=\sqrt{x+1}$ is:
(a) ℝ
(b) ℝ−{−1}
(c) [−1,∞)
(d) [1,∞)

9. Range of $f(x)=2+\sqrt{x+1}$ is:
(a) [−1,∞)
(b) [1,∞)
(c) [2,∞)
(d) [0,∞)

10. Range of $f(x)=\sqrt{x^2-1}$ is:
(a) [0,∞)
(b) [−1,∞)
(c) (0,∞)
(d) (−∞,∞)

11. For an into function $f:X\to Y$
(a) Range $f=Y$
(b) Range $f\subset Y$
(c) Dom $f=$ Range $f$
(d) Range $f\subseteq Y$

12. A function which is onto is called:
(a) into
(b) surjective
(c) bijective
(d) injective

13. Range of $f(x)=x^2$ is:
(a) (−∞,∞)
(b) (0,∞)
(c) [0,∞)
(d) (−1,0)

14. If $f(x)=\frac{x+1}{x+5}$, $x\ne -5$, then range of function is:
(a) ℝ
(b) ℝ−{−5}
(c) ℝ−{0}
(d) ℝ−{1}

15. The range of $f(x)=\frac{|x+2|}{x+2}$, where $x\ne -2$, is:
(a) ℝ−{−2}
(b) ℝ−{−1}
(c) {1}
(d) {±1}

16. If $f(x)=\sqrt{2x+3}$ then $f(x-2)$ is:
(a) $\sqrt{2x+1}$
(b) $\sqrt{2x-1}$
(c) $\sqrt{x-1}$
(d) $\sqrt{x+1}$

17. If

$$g(x)=\{\begin{array}{ll}6x+7,& x\le -2\\ 4-3x,& x>-2\end{array}$$

then domain of function is:
(a) ℝ−{−2}
(b) ℝ
(c) [−2,2]
(d) [2,∞)

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A Plus Model Papers – Class 11 (Mathematics)

7. Multiplicative inverse of (0,1) is:
(a) (0,1)
(b) (0,−1)
(c) (1,1)
(d) (0,0)

8. The multiplicative identity in Complex Numbers is:
(a) (0,1)
(b) (0,0)
(c) (0,−1)
(d) (1,0)

9. If $z=4-3i$, then $|z{|}^2=$
(a) 7
(b) 25
(c) 5
(d) $\sqrt{5}$

10. $\bar{z}=-z$ iff z is:
(a) real
(b) imaginary
(c) zero
(d) None of these

11. $z\bar{z}=$
(a) $|z|$
(b) $|z{|}^2$
(c) $z/|z|$
(d) $\bar{z}/|z|$

12. If $z=a+ib$ then $|z|=$
(a) $a^2-b^2$
(b) $a^2+b^2$
(c) $\sqrt{a^2+b^2}$
(d) $\sqrt{a^2-b^2}$

13. $i+i^2+i^3+i^4=$
(a) −i
(b) 0
(c) 1
(d) i

14. For $z\in C$, $\frac{z+\bar{z}}{2}=$
(a) Im(z)
(b) Re(z)
(c) Re(iz)
(d) Im(iz)

15. If $z=\frac{5i-1}{2i}$, then $\bar{z}=$
(a) 1/2
(b) −1/2

Mathematics Guess Papers All Punjab Boards MCQ:

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