Study the given concept map.Connect the m correting by drawing arrow marks. Complete the map y filling the blanks.

Study the relation given below an set builder form. Represent each of them by (a) an arrow diagram (b) a graph (c) a set in roster. If {(x,y} / y = 2x + 1 , x lt 10 and y lt 12 x in N,y in N }

In the adjoining fig. circles with centres X , Y touch each other at Z . A secant passing through Z meets the circles at A and B respectively. Prove that, radius X A || radius YB. Fill in the blanks and complete the proof.

Four Tamil Nadu State transport buses take the following routes. The first is a one - way journey, and the rest are round trips. Find the places on the map, put points on them and connect them by lines to draw the routes. The places connecting four different routes are given as follows. (i) Nagercoil, Tiruneveli, Virudhnagar, Madurai (ii) Sivagangai, Puthukottai, Thanjavur, Dindigul (iii) Erode, Coimbatore, Dharmapuri, karur (iv) Chennai, Cuddalore, Krishnagiri, Vellore You will get the following shapes. Label the vertices with city names, draw the shapes exactly as they are shown on the map without rotations.

Fill in the blanks (i) A tangent to a circle touches it in …... Point (s). (ii) A line intersecting a circle in two points is called a ….. (iii) Number of tangents can be drawn to a circle parallel to the given tangent is …. (iv) The common point of a Tangent to a circle and the circle is called ..... (v) We can draw ..... tangents to a given circle. (vi) A circle can have ..... parallel tangents at the most.

Study the relationship of the given pair and fill up the blanks a. Hibernation : Bears : : Aestivation : ………… b. Whide range of salinity : Euryhaline : Narrow range of salinity : ……….

The following India map shows 10 biogeographical regions of India, marked as A to J. Identify the biogeographical regions with the help of the statements given below and find the respective alphabet from the map.

1. Study the relation of the given pair and fill up the blanks a. Bud : Hydra : : ........ : Penicillium b. Algae : Zoospores :: Sponges : ........ c. Monoecius palm: Coconut :: Dioecious palm : ………... d. Primates : Menstrual cycle : : Non primates : ………..... e. Unisexual male : Staminate : : Unisexual female : …………..

A company has four categories of employees given by Assistants (A), Clerks(C), Mangagers (M) and an Excutive Officer(E). The company provide ₹10,000, ₹25,000, ₹50,000 and ₹1,00,000 as salaries to the people who work in the categories A, C, M and E respectively. If A_(1), A_(2), A_(3), A_(4) and A_(5) were Assistants, C_(1), C_(2), C_(3), C_(4) were Clerks, M_(1), M_(2) and M_(3) were managers and E_(1), E_(2) were Executive officers and if the relation R is defined by xRy, where x is the salary given to person y, express the relation R through an ordered pair and an arrow diagram/