Subject :NSO Class : Class 8
Refer to the given figures of bacteria X, Y and Z and read the statements (i), (ii), (iii) and (iv) regarding them.
(i) Bacterium X can be causal organism of typhoid.
(ii) Bacterium Y can cause a disease which disrupts proper exchange of gases.
(iii) Bacterium Z can convert lactose sugar of milk into lactic acid.
(iv) Bacterium X can be the causal organism of cholera.
Which of these statements are incorrect?
A(i) onlyc
B(i) and (ii) only
C(ii), (iii) and (iv) only
D(i), (ii), (iii) and (iv)
Ans 1:
Class : Class 8
a