Answer in one word or one line.
(i) Give the common name of Periplaneta americana.
(ii) How many spermathecae are found in earthworm?
(iii) What is the position of ovaries in the cockroach?
(iv) How many segments are present in the abdomen of cockroach?
(v) Where do you find malphigian tubules?

Answer the following (i) What is the function of nephridia? (ii) How many types of nephridia are found in earthworm based on their location ?

Answer the following: (i) How many dimensions a solid has? (ii) How many books are there in Euclid's Elements? (iii) Write the numbers of faces of a cube and cuboid? (iv) What is sum of interior angles of a triangle? (v) Write three un-defined terms of geometry?

8 woman and 6 man are standing in a line. (i) How many arrangements are possible if any individual can stand in any position ? (ii) In how may arrangements will be 6 men be standing next to one another ? (iii) In how many arrangements will no two men be standing next to one another ?

Consider the following four statements (i) - (iv) and select the correct option stating which ones are true (T) and which ones are false (F) (i) In male cockroach, genital pouch or chamber lies at the hind end of abdomen bounded dorsally by 9^(th) and 10^(th) terga and ventrally by the 9^(th) sternum. (ii) In cockroach, the haemolymph is composed of colourless plasma and haemocytes (iii) In female cockroach each ovary is formed of a group of ten ovarian tubules or overioules, containing a chain of developing ova (iv) In cockroach the nymph grows by moulting about 13 times to reach the adult form.

Which one of the following sentences is a proposition? (i) 4+7=12 (ii) What are you doing? (iii) 3^(n) le 81, n in N (iv) Peacock is our national bird (v) How tall this mountain is?

(i) A kabaddi coach has 14 players ready to play. How many different teams of 7 players could the coach put on the court? (ii) There are 15 persons in a party and if , each 2 of them shakes hands wit each with each other. How many handshakes happen in the party? (iii) How many chords can be drawn through 20 points on a circle? (iv) In a parking lot one hunderd, one year old cars are parked. Out of them five are to be chosen at random for to check its pollution devices. How many different set of five cars are possible? (v) How many ways can a team of 3 boys, 2 girls and 1 transgender be selected from 5 boys, 4 girls and 2 transgender?

(i) A person went to a restaurant for dinner. In the menu card, the person saw 10 Indian and 7 Chinese food items. In how many was the person can select either an Indian or a Chinese food? (ii) There are 3 typesof toy car and 2 types of toy train available in a shop. Find the number of ways a baby can buy a toy car and a toy train? (iii) How many of two-digit numbers can be formed using 1,2,3,4,5 without repetiton of digits? (iv) There persons enter in to a conference hall in which there are 10 seats, In how many ways they can take their place? (v) In how many ways 5 persons can be seated in a row?

In the adjoining figure, line PR touches the circle at point Q . Using the information given in the diagram, answer the following questions. (i) What is the sum of angleTAQ and angleTSQ ? (ii) Write names of angles congruent to angleAQP . (iii) Write names of angles congruent to angleQTS . (iv) If angleTAS= 65^@ , then find angleTQS and arc TS . (v) It angleAQR=42^(@) and angleSQR=58^(@) , then find angleATS .