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Question 1. Draw a circle of radius 3 cm. Mark a point P at a distance of 5 cm from the centre of the circle drawn. Draw two tangents PA and PB to the given circle and measure the length of each tangent.Solution: Construction Procedures:1. Draw a circle with a radius of 3 cm and a […]

Question 1. Draw histogram for the following distributions: Solution: Question 2. Draw cumulative frequency curve (ogive) for each of the following distributions: Solution: Question 3. Draw an ogive for each of the following distributions: Solution: Question 4. Construct a frequency distribution table for the number given below, using the class intervals 21-30, 31-40 … etc. 75, 67, 57, 50, […]

Question 1. Find, which of the following points lie on the line x – 2y + 5 = 0:(i) (1, 3)(ii) (0, 5)(iii) (-5, 0)(iv) (5, 5)(v) (2, -1.5)(vi) (-2, -1.5)Solution:(i) Given that, the line is 𝑥– 2𝑦 + 5 = 0Here, 𝑥 = 1 and 𝑦 = 3Put the value of x and y […]

Question 1. Multiple Type Question:- Question 1. Bougainvillea flower is an example of:a) incomplete flowerb) having a large nectaryc) water pollinationd) large colorful bracts Question 2. A flower is said to be complete when:a) It has the corolla and calyxb) It has the corolla and gynoeciumc) It has the androecium and gynoeciumd) It has all […]

Multiple Choice Questions:- 1) Which of the following cell organelles is correctly matched with its function?a) Ribosomes → Synthesis of proteinsb) Mitochondria → Secretion of proteinsc) Plasma membrane → Freely permeabled) Centrosome → Carries genes 2) All life starts as _________.a) an eggb) a single cellc) a gened) a chromosome 3) Which one of the […]

Question 1. Multiple Choice Question:- 1) Choose the most appropriate option in the following statement. Palaeontology is the study of ____________a) embryosb) Bloodc) Bloodd) Fossils 2) Clone of animals are being produced through the practice of ___________.a) geneticsb) ecologyc) Embryologyd) Biotechnology Question 2. Name the following branches of biology. a) Application of biological process in […]

Q1. Multiple choice type Question 1. Which one of the following plants parts is correctly matched with one of its stated characteristic?a) Mango seed ___________ aleurone layerb) Bean seed __________ endospermc) Maize grain __________ coleoptiled) Wheat grain ___________ exalbuminous 2) Seeds sown very deep in the soil fail to germinate because theya) cannot exert enough […]

Question 1. Find the mean of the following set of numbers:(i) 6, 9, 11, 12 and 7(ii) 11, 14, 23, 26, 10, 12, 18 and 6 Solution: Question 2. Marks obtained (in mathematics) by 9 student are given below: 60, 67, 52, 76, 50, 51, 74, 45 and 56(i) Find the arithmetic mean(ii) If marks of each […]

Question 1. Calculate the co-ordinates of the point P which divides the line segment joining:(i) A (1, 3) and B (5, 9) in the ratio 1: 2.(ii) A (-4, 6) and B (3, -5) in the ratio 3: 2.Solution:(i) Let us assumed that, co-ordinates of the point P be (x, y)We know that Question 2. In […]

Question 1. Complete the following table: Solution: Question 2. A point P is its own image under the reflection in a line l. Describe the position of point the P with respect to the line l.Solution:It is given that, the point P is its own image under the reflection in the line l.Here point P is […]