Match the plant diseases with their respective causative agent.
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $$\begin{array}{cc}\text{Plant diseases}& \text{Causative agent}\\ \text{a. Citrus canker}& \text{i. Virus}\\ \text{b. Rust of wheat}& \text{ii. Bacteria}\\ \text{c. Yellow vein mosaic}& \text{iii. Fungi}\end{array}$$

Q. Match the plant diseases with the type of microrganisms that causes it.

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $$\begin{array}{cc}\text{Column 1}& \text{Column 2}\\ \text{a. Citrus canker}& \text{i. Fungi}\\ \text{b. Rust of wheat}& \text{ii. Bacteria}\\ \text{c. Yellow vein mosaic}& \text{iii. Virus}\end{array}$$

Q.

Name the causative micro-organisms of the following plant diseases :

(a) Rust of wheat (b) Citrus canker (c) Yellow vein mosaic of bhindi (Okra)

Q.

Which of the following rational numbers does not lie between $\frac{14}{20}$ and $\frac{37}{40}$.

A. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\frac{3}{4}$ <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

B. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\frac{7}{8}$ <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

C. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\frac{9}{10}$ <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

D. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\frac{3}{5}$ <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

Q.

Represent $\frac{19}{8}$ on the number line.

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->