In Figure, which of the following statements must be true?
(i) `a+b=d+c`
(ii) `a+c+e=180^0`
(iii) `b+f=c+e`

(a) (i) only
(b) (ii) only
(c) (iii) only
(d) (ii) and (iii) only

Which of the following statements must be true? I. a+blt180 II. a+d=180 III. a+dgt180

Which of the following is/are not carrectly mathched pairs ? (a) (ii) and (iii) (b) (i) and (iv) (c) (v) only (d) (ii) only

Let a,b,c are in A.P and k!=0 be a real number which of the following is/ are correct? (i) ka,kb,kc are in A.P (ii) k-a,k-b,k-c are in A.P. (iii) a/k,b/k,c/k are in A.P (a) i and ii only (b) ii and iii only (c) i and iii only (d) i, ii and iii

Let f be a differentiable function on the open interval(a, b). Which of the following statements must be true? (i) f is continuous on the closed interval [a,b], (ii) f is bounded on the open interval (a,b) (iii)If a (a)Only I and II (b)Only I and III (c)Only II and III (d)Only III

The modified supporting roots called prop roots and stilt roos are seen respectively in (i) Banyan and Maize (ii) Banyan and Sugarcane (iii) Maize and Banyan (iv) Sugarcane and Maize (a) i only (b) ii only (c) iii only (d) i and ii only

Let A={a , b ,{c , d},\ e} . Which of the following statements are false and why? (i) a in A (ii) asubA (iii) {a , b , e}subA

Nodule formation in leguminous plants occur due to (i) Cytokinins produced by invading bacteria (i) Auxins produced by plant cell. (iii) Auxins produced by invading bacteria. (iv) Cytokinin produced by plant cell. (a) (i) and (ii) only (b) (i) and (iii) only (c) (iii) and (iv) only (d) (ii) and (iv) only

Let A={a , b ,{c , d},\ e} . Which of the following statements are false and why? (i) {c , d}subA (ii) {c , d} in A (iii) {{c , d}}subA

Select the characters not applicable to C_(3) plants (i) Primary CO_(2) acceptor is PEP (ii) The plants have RuBisCO (iii) Initial carboxylation reaction occurs in bundle sheath cells (iv) Calvin cycle occurs only in bundle sheath cells (a) iii and iv only (b) ii, iii and iv only (c) i and ii only (d) i, iii and iv only

Let Aa n dB be two 2xx2 matrices. Consider the statements (i) A B=O => A=OorB=O (ii) A B=I_2 =>A=B^(-1) (iii) (A+B)^2=A^2+2A B+B^2 (a)(i) and (ii) are false, (iii) is true (b)(ii) and (iii) are false, (i) is true (c)(i) is false (ii) and, (iii) are true (d)(i) and (iii) are false, (ii) is true