Reena is identical in appearance to her mother. What must be the reason behind that?
Reena is similar to her mother because she inherited the appearance from her mother.
Do plants and animals also inherit traits from their parents?
Yes, plants and animals do inherit traits from their parents.
Do you think that the people living in the same house will resemble each other?
People living in the same house may resemble each other, only if they belong to the same family.
Do you think that the habits of a child speak about the family he/she belongs to?
The habits of a child do not speak about his/her family, as they are learnt behaviour.
Sita and Geeta are two sisters born on the same date but in different years. Sita sings well whereas Geeta dances well. What is the relation between the two?
They are sibilings.
Mohan and Sohan are two brothers. Mohan always comes first in class whereas Sohan is not able to pass. Their parents are engineers. What could be the possible reason for that?
Intelligence is an acquired trait. It is not inherited.
Ram and Shyam are identical twins. Ram likes to eat lots of sweets but Shyam hates eating sweets. What must be the reason behind that?
Twins are those groups of people whose looks are hereditary but it is not necessary that their likes and dislikes match with each other.
Ram and Shyam both have similar features but they are different in their likes and dislikes.
What is the difference between hereditary diseases as well as non-hereditary diseases?
Hereditary diseases are those diseases which are transferred from parents to children hereditarily whereas non-hereditary diseases are those which do not transfer from parents to children.
How are acquired traits different from inherited traits?
Acquired traits are those habits which we learn or acquire from our environment and surroundings whereas inherited traits are those habits which we get from our parents.
Why the children resemble to their family members?
This is because most of the behaviours, structure, features, eating habits, texture of hair and colour of the skin of the children depend on their family members.
Why don’t all twins look alike?
All twins don’t look alike because it is not necessary that all the characters from parents are inherited by both the twins.
Fill in the blanks with the correct word.
a. A better chance of marrying is a ______factor for migration. (push/ pull)
b. ______ are the group of people who do not live in a permanent house. (Nomads/ Migrants)
a. pull
b. Nomads
How do people differ from each other?
People differ in their behavior, likes and dislikes.
What is the full form of ISRO?
Indian Space Research Organization
Which Russian spacecraft sent Rakesh Sharma to Salyut 7 space station?
Soyuz T-11 was the Russian spacecraft that sent Rakesh Sharma to Salyut 7 space station.
Which powerful rocket was made to launch the Apollo spacecraft?
Saturn V was the most powerful rocket made to launch the Apollo spacecraft.
Name the Russian space station launched in 1986?
MIR was the Russian space station launched in 1986.
What name was given to the Mars space exploration mission in 2004?
Opportunity was the name given to the Mars space exploration mission in 2004.
Name a multipurpose satellite launched by ISRO. What is it for?
INSAT is a multipurpose satellite launched by ISRO for the telecommunication, broadcasting, meteorology, and search and rescue need of India.
Write a brief history on the history of Indian space explorations?
ISRO is the national space agency of India. It was founded by Dr. Vikram Sarabhai in 1969 and its headquarters are located in Bengaluru.
GSLV III, India's most powerful rocket was meant to launch heavy satellites into the geostationary orbit above the Earth.
INSAT is a multipurpose satellite launched by ISRO for the telecommunication, broadcasting, meteorology, and search and rescue need of India.
Chadrayaan I was the unmanned spacecraft launched by India in 2008. It was sent to study the moon's surface and conduct scientific studies.
What is the other name for blue gray colour?
Livid
What is the colour of snow, clouds, glaciers and milk?
White
What is the colour of coal, ebony and outer space?
Black
Which colour was used by artists in Neolithic cave paintings?
Black was one of the first colours used by artists in Neolithic cave paintings.
What is a grayscale?
A grayscale is a range of shades of grey without apparent colours.
Name any five shades of gray.
1)Black
2)Charcoal
3)Ash gray
4)Silver
5)Blue gray
What is white colour often associated with?
White colour is most often associated with innocence, perfection, the good, honesty, cleanliness, the beginning and the new.
Why can metallic silver colour not be produced by a simple solid colour?
Metallic silver colour cannot be produced by a simple solid colour because the shiny effect is due to the material's brightness varying with the surface angle to the light source.
Why does snow appear white?
When sunlight enters snow, very little of the spectrum is absorbed and almost all of the light is reflected or scattered by the air and water molecules, so the snow appears to be the colour of sunlight, that is white.
What are achromatic colours?
Achromatic colours are those colours which lack hue. It means they cannot be classified as a subset of the colours red, blue, green or yellow.
Describe your favorite movie with its genre and its time period.
Harry potter is my favourite movie.
Harry Potter is a series of fantasy novels written by British author J. K. Rowling.
Genres of the movie: Fantasy Fiction, Drama, Young adult fiction, Mystery, Thriller, Bildungsroman
(Answer may vary)
a. Movie-The Birth of a Nation
Time period- Silent era
b. Movie-The Circus
Time period- Silent era
c. Movie-The Jazz Singer
Time period- Talkies era
d. Movie- Singin’ in the rain
Time period- Talkies era
e. Movie- Snow White and the Seven Dwarfs
Time period- Golden age
f. Movie- The wizards of oz
Time period- Golden age
g. Movie- Jaws
Time period- New Hollywood
h. Movie- Star wars
Time period- New Hollywood
i. Movie- Superman
Time period- New Hollywood
According to which tradition, it is believed that mantis stole the fire from the ostrich?
African tradition
Name the sense organs which are used while doing the following.
a. Manish is playing football with his friends.
____________________________________________________________________________________________________________
b. Mita is going to watch her favourite movie in theatre and drinking hot coffee.
____________________________________________________________________________________________________________
a. Eyes, ears and skin.
b. Eyes, ears, nose, skin and tongue.
These parts of the eye, protects the eye from dust.
a. pupil and iris
b. eyelids and eyelashes
c. lens and vitreous
b. eyelids and eyelashes
Which is the circular opening in the coloured part of the eye that widens and contracts in the presence of light?
a. retina
b. choroid
c. pupil
c. pupil
Which part of the body helps you in smelling?
Nose helps us in smelling.
Which part of the body helps us to feel?
Skin helps us to feel.
Can we use more than one sense at a time?
Yes, we can use more than one sense at a time.
Which part of the body helps you to feel?
Skin helps us to feel.
Which part of the body helps you in hearing?
Ears help us in hearing.
Which part of the body helps you to see?
Eyes help us to see.
Which of your senses can help you to identify a flower, a dog, a spider, a carrot?
Sense of sight can help us to identify a flower, a dog, a spider and a carrot.
What can we do with our senses?
We can see, feel, smell, taste and listen to the things happening around us with the help of our sense organs.
When you wake up in the morning, what are the first things you.. see, hear, smell, touch and taste.
answer may vary
Write the name of the appropriate sense organ.
|
Sense |
Organ |
Function |
|
Sight |
|
Detect colour and light |
|
Hearing |
|
Detect sound |
|
Smell |
|
Detects scents |
|
Taste |
|
Detects taste: sweet, salty, sour and bitter |
|
Touch |
|
Detects pain, pressure, heat and cold |
|
Sense |
Organ |
Job |
|
Sight |
Eyes |
Detect colour and light |
|
Hearing |
Ears |
Detect sound |
|
Smell |
Nose |
Detects scents |
|
Taste |
Tongue |
Detects taste: sweet, salty, sour and bitter |
|
Touch |
Skin |
Detects pain, pressure, heat and cold |
The five senses are, sense of _____________.
a. sight, hearing, taste, touch, and smell
b. bones, muscles, brain, heart, and hands
c. reading, math, spelling, running, and writing
d. Jumping, fighting, painting, warming
a. sight, hearing, taste, touch, and smell
Messages travel through our __________ to the brain.
a. nerves
b. blood
c. fingers
d. feet
a. nerves
Write one line about each sense organ
Draw something that you can see, hear, taste, smell and touch
answer may vary
Write 4 things that we can taste
Write 4 things that can create sound
Write a short description on spine.
The spine or vertebral column is the backbone that helps us to sit, stand and bend. It is made up of 33 small bones called the vertebra. The spine protects an important nerve bundle called the spinal cord that helps in the communication of the brain with other body parts.
How are ‘molars’ different from ‘premolars’ teeth?
The molars are bigger and wider than premolars, with points and grooves. Also, an adult has twelve molars present as six in each row. They are used for grinding and chewing the food.
Write few lines on ‘Pre-molars’.
They are flat and broad teeth, used for cracking, crushing and chewing the food. An adult has eight premolars present as four in each row.
Name the different kinds of teeth based on their function in both upper and lower jaw.
a. incisors
b. canines
c. molars
d. pre-molars
What is the function of mouth or mouth cavity?
Mouth or mouth cavity is the space where the food is chewed and mixed with saliva.
Complete the sentence:
There are ______ incisors present in an adult.
Eight
What are milk teeth?
Milk teeth erupt or are visible into the mouth from around six months until two years of age. A child has 20 temporary teeth;10 on each jaw.
Agree/Disagree:
a. Canines are the pointed teeth meant for tearing the food.
b. There are eight molars present in an adult.
a. agree.
b. disagree
Puzzle: Who I am?
Shovel or chisel shaped teeth used for bitting and cutting food.
Canines
Draw a well labelled diagram of human digestive system.
Reorder the parts of digestive system in the sequence with respect of passage of food inside the body from top to bottom:
1. food pipe 2.small intestine 3.anus 4.large intestine 5.stomach 6.mouth
Mouth
Food pipe
Stomach
Small intestine
Large intestine
anus
Briefly explain the process of digestion.
The process of digestion begins in the mouth, where food is partly broken down by chewing. After being chewed and swallowed, the food enters the oesophagus. Following this, the food enters the stomach where it is partly digested and mixed with digestive juices to produce chyme. After being in stomach, the food enters the upper part of small intestine, duodenum, where it is further broken down into small pieces. After passing through small intestine, the food enters the large intestine, wherein the nutrients are absorbed from the food. The solid waste called faeces are then excreted through anus.
Complete the sentence.
______is used to clean tongue.
Tongue cleaner.
What is ‘floss’ and how can it be used to take care of teeth?
Floss is a smooth thread of silk used to clean gaps between the teeth.
Give the difference between temporary and permanent teeth.
|
Temporary teeth |
Permanent teeth |
|
They are present in the set of 20. |
They are present in the set of 32. |
|
They are found at the age of 2-7 years. |
They replace temporary teeth at the age of 12 years and last throughout life. |
Name the different kinds of teeth based on their function in both upper and lower jaw.
a. Incisors
b. Canines
List any four types of microbes which cause damage to teeth.
Fungi, bacteria, viruses and protozoa are the microbes which cause damage to teeth.
What are the common dental problems faced due to improper care of teeth?
a. Bad breathe
b. Tooth ache
c. Plaque
List any few habits we should adopt for proper functioning of our digestive system.
The following are the habits we should adopt to take care of our digestive system:
a. Drink lot of water.
b. Eat high fibre diet.
c. Do not over eat.
d. Chew food properly.
Tick() or cross(X):
a. The upper part of large intestine is called duodenum.
b. The small intestine is the shortest part of the digestive system.
a. 
b. X
Identify:
‘It is a large, sac like organ where the food is broken further with the help of digestive juices to produce chyme’.
Stomach
What is the role of kidney in human body?
Kidneys filter out poisonous chemicals and excess water from the blood. This filtered liquid called urine collects in the bladder and is drained out through the urethra.
What is urine? Write a short note on it.
Urine is a pale yellow coloured liquid waste. First, kidneys filter urine from the blood and then it is collected by the ureters. Then, it passed on to the urinary bladder. Finally, the urine leaves the body through a tube called urethra.
How body’s solid waste is removed from the body?
The undigested food goes into the large intestine, also called bowel, where it is turned into solid. The solid waste is finally removed from the body.
How body’s liquid waste is removed from the body?
The body’s liquid waste is removed through the urinary system which is made of organs like the kidneys, bladder and urethra.
Write a short note about the structure and functions of kidneys.
The kidneys are bean shaped organs located in the abdomen. The liquid waste produced in the body is removed by the kidneys. The kidneys filter urine from the blood.
What is excretion?
Our Body systems produce a lot of waste during their functions. Removal of these wastes from the body is called excretion.
How excretion takes place in human body?
The excretion takes place through the:
What are the different forms of waste removed from the body?
The excretory system throws out waste from the body in liquid and solid form.
Name the branch of science in which we study the structure and function of the human body.
Physiology
Name three main organs of the excretory system.
Lungs, kidneys and skin.
Name the bean shaped organs that remove wastes from the body.
Kidneys
Which body system ensures the removal of waste products?
Excretory system
Name the bag like structure present in our body in which urine is stored.
Urinary bladder
Answer the following questions.
(i)What is excretion?
(ii) What are the different forms of waste removed from the
body?
(iii) How excretion takes place in human body?
(iv) How body’s liquid waste is removed from the body?
(v) How body’s solid waste is removed from the body?
(vi) What is the role of kidney in human body?
(i) Our Body systems produce a lot of waste during their functions. Removal of these wastes from the body is called excretion.
(ii) The excretory system throws out waste from the body in liquid and solid form.
(iii) The excretion takes place through the:
· the nose that breathes out carbon dioxide
· skin that oozes sweat, and
· organs of the excretory system
(iv) The body’s liquid waste is removed through the urinary system which is made of organs like the kidneys, bladder and urethra.
(v) The undigested food goes into the large intestine, also called bowel, where it is turned into solid. The solid waste is finally removed from the body.
(vi) Kidneys filter out poisonous chemicals and excess water from the blood. This filtered liquid called urine collects in the bladder and is drained out through the urethra.
Give one word answer-
1. The study of the human body.
2. The organ that interprets messages.
3. It links the brain with the rest of the body.
Physiology, brain, spinal cord
Label organs of the excretory system in the given picture.
Identify the spice from the image.
Red Chili
Match the following:
|
Red chili |
Buds |
|
Clove |
Pods |
|
Ginger |
Breath freshener |
|
Fennel |
Root |
|
Red chili |
Pods |
|
Clove |
Buds |
|
Ginger |
Root |
|
Fennel |
Breath freshener |
Name any three ingredients of the mixture of Garam Masala.
The three ingredients are:
a. Clove
b. Coriander seeds
c. Black Cardamom
Which spice is also used in making of dyes?
Turmeric is a spice which is also used to make dyes.
Name a spice that is used in making of sweet dishes?
Cinnamon is a spice that is used in making sweet dishes.
What is the English name of the Indian spice 'Heeng'?
The English name of 'Heeng' is 'Asafetida'.
What is the common name of 'Fennel' in India?
Fennel is commonly known as 'Saunf' in India.
Which spice was referred to as 'Black Gold' in ancient times?
Black pepper was referred to as 'Black Gold' in ancient in times.
Which spice is used as a home remedy in Indian homes to get relief from sore throat and throat congestion?
Black pepper is used as a home remedy in Indian homes to get relief from sore throat and throat congestion.
Name any preparations where cumin is used extensively.
The two preparations are Jeera Rice and Jal Jeera.
Identify the spice from the image given below.
