📄 GuideActivity 4.3 Let us plot a position-time graph for a uniformity moving vehicle using data. Class 9
Activity 4.3 Let us plot a position-time graph for a uniformity moving vehicle using data. Class 9Ac
📄 GuideActivity 4.2 Let us calculate the magnitude of average acceleration of different types of cars. Class 9
Activity 4.2 Let us calculate the magnitude of average acceleration of different types of cars. Clas
📄 GuideA car is moving on road with velocity of 36 km/h. Driver presses the accelerator. Class 9
A car is moving on road with velocity of 36 km/h. Driver presses the accelerator. Class 9Question 1.
📄 GuideRamesh takes 50 seconds to walk from one end to the other end and back on 25 m long road. Class 9
Ramesh takes 50 seconds to walk from one end to the other end and back on 25 m long road. Class 9Que
📄 GuideActivity 4.1 Let us analyse the motion of a ball thrown vertically upwards. Class 9
Activity 4.1 Let us analyse the motion of a ball thrown vertically upwards. Class 9 Activity 4.1 Let
📄 GuideThe object starts moving from O which is the reference point. Class 9
The object starts moving from O which is the reference point. Class 9Question 1. The object starts m
📄 GuideA textbook states, “Each plant tissue performs only one specific function”. Class 9
A textbook states, “Each plant tissue performs only one specific function”. Class 9Question 1. A tex
📄 GuideA plant cell and an animal cell are of the same size. Class 9
A plant cell and an animal cell are of the same size. Class 9Question 1. A plant cell and an animal
📄 GuideCoconut husk fibres are used for mats which are tough and fibrous. Class 9
Coconut husk fibres are used for mats which are tough and fibrous. Class 9Question 1. Coconut husk f
📄 GuideA tissue is a group of similar cells performing similar functions. Class 9
A tissue is a group of similar cells performing similar functions. Class 9Question 1. During the dis
📄 GuideSohan designed an experiment for the regeneration of sugarcane. Class 9
Sohan designed an experiment for the regeneration of sugarcane. Class 9Question 1. Sohan designed an
📄 GuideAamrapali observed that a young mango sapling’s stem bends flexibly. Class 9
Aamrapali observed that a young mango sapling’s stem bends flexibly. Class 9Question 1. Aamrapali ob
📄 GuideIn a forest, it was observed that one of the trees was severely debarked by an elephant. Class 9
In a forest, it was observed that one of the trees was severely debarked by an elephant. Class 9Ques
📄 GuidePlot a graph between the age of a tree (in years) on the x-axis and the diameter. Class 9
Plot a graph between the age of a tree (in years) on the x-axis and the diameter. Class 9Question 1.
📄 GuideIn each of the following cases (A, B, C and D), choose the correct option as given below: Class 9
In each of the following cases (A, B, C and D), choose the correct option as given below: Class 9Que
📄 GuideWhich type of joint is involved when you bend your knees and ankles? Class 9
Which type of joint is involved when you bend your knees and ankles? Class 9Question 1. Which type o
📄 GuideWhy are the epithelial tissues that line an animal’s internal organs. Class 9
Why are the epithelial tissues that line an animal’s internal organs. Class 9Question 1. Why are the
📄 GuideMeristematic tissues divide repeatedly. What property of their cells allows them to do this? Class 9
Meristematic tissues divide repeatedly. What property of their cells allows them to do this? Class 9
📄 GuideCarefully observe the various poses of classical and folk dances of India. Class 9
Carefully observe the various poses of classical and folk dances of India. Class 9Question 1. Look a
📄 GuideOnce water is absorbed by plant roots, it has to travel against gravity through xylem. Class 9
Once water is absorbed by plant roots, it has to travel against gravity through xylem. Class 9Questi
📄 GuideYou may have noticed that fibres of coconut husk are hard and brittle. Class 9
You may have noticed that fibres of coconut husk are hard and brittle. Class 9Pause and Ponder (Page
📄 GuideHow is the division of labour at various levels of organisation in multicellular. Class 9
How is the division of labour at various levels of organisation in multicellular. Class 9Question 1.
📄 GuideHow is the study of cells and tissues significant for understanding the life. Class 9
How is the study of cells and tissues significant for understanding the life. Class 9Think It Over (
📄 GuideActivity 3.5 Let us observe, Move different parts of your body and observe what movement(s). Class 9
Activity 3.5 Let us observe, Move different parts of your body and observe what movement(s). Class 9
📄 GuideActivity 3.4 Let us investigate, Let us investigate What percentage of total body weight. Class 9
Activity 3.4 Let us investigate, Let us investigate What percentage of total body weight. Class 9Act
📄 GuideActivity 3.3 Let us perform, To identify different connective tissues in the human body. Class 9
Activity 3.3 Let us perform, To identify different connective tissues in the human body. Class 9Acti
📄 GuideActivity 3.2 Let us understand further, To understand the role of blood and its components. Class 9
Activity 3.2 Let us understand further, To understand the role of blood and its components. Class 9A
📄 GuideActivity 3.1 Let us design experiment, Apical Meristem causes growth in length. Class 9
Activity 3.1 Let us design experiment, Apical Meristem causes growth in length. Class 9Activity 3.1
📄 GuideWhat would happen if gametes are formed by mitotic divisions? Class 9
What would happen if gametes are formed by mitotic divisions? Class 9Question 1. What would happen i
📄 GuideWhich phenomenon inhibits the formation of tumors in the human body? Class 9
Which phenomenon inhibits the formation of tumors in the human body? Class 9Question 1. Which phenom
📄 GuideIdentify the pair that incorrectly matches the cell organelle with its function. Class 9
Identify the pair that incorrectly matches the cell organelle with its function. Class 9Question 1.
📄 GuideCarry out the following experiment: Take four peeled potato halves and scoop. Class 9
Carry out the following experiment: Take four peeled potato halves and scoop. Class 9Question 1. Car
📄 GuideIndicate the presence or absence of following structures in bacterial and animal cells: Class 9
Indicate the presence or absence of following structures in bacterial and animal cells: Class 9Quest
📄 GuideA researcher carried out an experiment in which she took two carrots of similar size. Class 9
A researcher carried out an experiment in which she took two carrots of similar size. Class 9Questio
📄 GuideMitochondria and chloroplasts are two important organelles in a plant cell. Class 9
Mitochondria and chloroplasts are two important organelles in a plant cell. Class 9Question 1. Mitoc
📄 GuideTwo students, Renu and Rohit, were having a discussion on the plastids. Class 9
Two students, Renu and Rohit, were having a discussion on the plastids. Class 9Question 1. Two stude
📄 GuideLook at the diagram of a cell in Fig. Identify the parts labelled from (a) to (g). Class 9
Look at the diagram of a cell in Fig. Identify the parts labelled from (a) to (g). Class 9Question 1
📄 GuideTwo similar animal cells are placed in two different solutions: Class 9
Two similar animal cells are placed in two different solutions: Class 9Question 1. Two similar anima
📄 GuideDifferentiate between the following pairs of terms based on the clues given in parentheses: Class 9
Differentiate between the following pairs of terms based on the clues given in parentheses: Class 9R
📄 GuideSome cells are specialised to perform specific functions. Class 9
Some cells are specialised to perform specific functions. Class 9Threads of Curiosity (Page 14)Some
📄 GuideInstead of many small ones, why does a cell not have a single giant mitochondrion? Class 9
Instead of many small ones, why does a cell not have a single giant mitochondrion? Class 9Question 1
📄 GuideDo white flowers contain any pigment? Give reasons. Class 9
Do white flowers contain any pigment? Give reasons. Class 9Pause and Ponder (Page 19)Question 1. Do
📄 GuideWhat argument would you give for the necessity of a cell wall in plants. Class 9
What argument would you give for the necessity of a cell wall in plants. Class 9 Pause and Ponder (P
📄 GuideMung bean seeds are kept in a concentrated solution after soaking in water for 12 hours? Class 9
Mung bean seeds are kept in a concentrated solution after soaking in water for 12 hours? Class 9What
📄 GuideHow is the cell structural and functional unit of life? Class 9
How is the cell structural and functional unit of life? Class 9Question 1. How is the cell structura
📄 GuideWhere does a cell come from? Class 9
Where does a cell come from? Class 9Think It Over (Page 8)Question 1. Where does a cell come from? C
📄 GuideActivity 2.5 Let us enhance our skills, To study the structure of activity dividing cells. Class 9
Activity 2.5 Let us enhance our skills, To study the structure of activity dividing cells. Class 9Ac
📄 GuideActivity 2.4 Let us study, and compare the structures of bacterial. Class 9
Activity 2.4 Let us study, and compare the structures of bacterial. Class 9Activity 2.4 Let us study
📄 GuideActivity 2.3 Let us investigate, To prepare and observe temporary slides of plant cells. Class 9
Activity 2.3 Let us investigate, To prepare and observe temporary slides of plant cells. Class 9Acti
📄 GuideActivity 2.2 Let us experiment, To observe the effect of osmosis. Class 9
Activity 2.2 Let us experiment, To observe the effect of osmosis. Class 9Activity 2.2 Let us experim