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Published by skrishna4322, 2020-07-29 01:37:23

Welcome to Sayar's Digital Solution for Juniors

class 3rd to 5th

Dear Students and Parents

 To fight the spread of COVID-19, Government of India and

Rajasthan are taking all necessary steps to ensure that we are
prepared well to face the challenge and threat posed by the
growing pandemic of COVID-19 the Corona Virus.

 As Result all Schools are closed. As schools around the world close

their buildings and families find themselves at home, we want to
ensure that learning together continues.

 So we’re starting digital campaign #LearnfromHome or

#PadhaiNahiRukegi or #Corona can’t Stop Learning with learning
creators to bring parents & families resources and activities.

 These resources are meant to give digital study material assigned
by best learning creators and Digital team of Sayar
Sanskar Bharti Secondary School.

 A special thanks to all free link provider of digital study to

students. It happens due to your dedication.

 Our School be great full towards your support.

We're happy you're here to learn with us.

Let’s

Learn with Fun

A Sayar’s Creation

About this E – Book for Juniors

All chapters are broken down into multiple section.

Accuracy of Content

 We have taken great pains to ensure the validity and accuracy of this text.
 Each chapter’s manuscript underwent rounds of review and revision by a

panel of active instructors.
 Then, prior to publication, a separate team of experts checked all text,

examples, and graphics for mathematical accuracy.
 A third team of experts was responsible for the accuracy of the Answer

key, dutifully re – working every solution to eradicate any lingering errors.
 Finally, the editorial team conducted a multi – round post – production

review to ensure the integrity of the content in its final form.

Learning Objectives
 Each chapter is divided into multiple sections, each of which is

organized around a set of learning objectives.
 The learning objectives are listed explicitly at the beginning of

each section and are the focal point of every instructional
element.

OUR VISION

Our vision at School is to empower students to acquire, demonstrate, articulate
and value knowledge and skills that will support them, as life-long learners, to
participate in and contribute to the global world and practice the core values of
the school: respect, tolerance & inclusion, and excellence.

Our Mission

The mission of our schools is to provide all students with a high quality
education that enables them to be contributing members of a multi-ethnic,
multicultural, pluralistic society. We seek to create an environment that achieves
equity for all students and ensures that each student is a successful learner, is
fully respected, and learns to respect others.

A SAYAR’S CREATION

SECTION - A

1. What controls the movement of food, digested food, and waste materials?
(a) Sphincters
(b) Mucosa
(c) Mucus Epithelium
(d) Both ‘b’ and ‘c’
Answer: (a) Sphincters
2. Which of the teeth is most developed in carnivorous animals?
(a) Incisors
(b) Canines
(c) Premolars
(d) Molars
Answer: (b) Canines
3. Which of the following enzymes is not secreted by pancreas?
(a) Amylase
(b) Trypsin
(c) Rennin

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(d) Lipase
Answer: (c) Rennin
4. Number of lobes found in the left lung?
(a) 3
(b) 4
(c) 2
(d) 1
Answer: (c) 2
5. Red Blood Cells of which of the following blood groups has both A and B antigens?
(a) O
(b) A
(c) B
(d) AB
Answer: (d) AB
6. The main excretory product of the human body?
(a) Ammonia
(b) Uric acid
(c) Urea
(d) Both ‘a’ and ‘c’
Answer: (c) Urea

2

7. The main human male hormone is
(a) Estrogen
(b) Progesterone
(c) Testosterone
(d) Both ‘b’ and ‘c’
Answer: (c) Testosterone

8. The motor nerves deliver the stimuli
(a) From central nervous system to organs
(b) From organs to central nervous system
(c) Both ‘a’ and ‘b’ are correct
(d) Both ‘a’ and ‘b’ are incorrect
Answer: (a) From central nervous system to organs
9. The Corpora quadrigemina is found
(a) Forebrain
(b) Hindbrain
(c) Midbrain
(d) both (a) and (b)
Answer: (c) Midbrain
10. Which is responsible for the internal clock of the body?

3

(a) Thyroid gland
(b) Pancreas
(c) Adrenal gland
(d) Pineal gland
Answer: (d) Pineal gland

SECTION-B

1. Write the name of the basic structural and functional unit of body
Answer: Cell is the basic structural and functional unit of body
2. Define the digestive system.
Answer: Humans derive the energy and raw organic substances required for the body from
food that contains complex components such as carbohydrates, protein, fats, minerals,
vitamins, salt and so on.
These complex components have to be simplified if they have to be absorbed in the body. In
order to accomplish the process, from food intake to defecation, a system consisting of
various organs and glands work in close coordination.
This system that converts complex nutrients and large food components into simple and
soluble substances with the help of chemical processes and enzymes is called the digestive
system.
3. What is the work of sphincter muscles?
Answer: Muscular sphincters in the stomach control the passage of the content. The cardiac
or lower esophageal sphincter divides the pharynx and stomach blocking the movement of
acidic food back to the esophagus and the pharynx from the stomach. Alternatively, Pyloric
sphincter divides the stomach and small intestine controlling the movement of food from
stomach to small intestine.
4. Write the name of the glands involved in the digestive system.

4

Answer: The glands involved in the digestive system includes the salivary gland, pancreas
and liver.
5. What is the function of the incisor teeth?
Answer: The nibbling and cutting of the food for the infants is carried out with these front
teeth, known as incisor teeth. It comes out at 6 months of age of a child.
6. How many parts of the stomach are there?
Answer: Stomach is divided into three parts. They are the
(1) cardiac portion, which is the larger left portion where the esophagus enters in the
stomach
(2) Pylorus- the smaller right portion through which the stomach connects to the small
intestine and its contents flow out of the stomach and reaches the duodenum and
(3) fundus portion that lies between the cardiac portion and pylorus present just under the
diaphragm. Stomach also has two muscular sphincters.
7. Where does the maximum absorption of digested food take place?
Answer: Jejunum is the central portion of the small intestine, where the dietary juices
digested in the duodenum are absorbed. The absorption function is carried out with the help
of a special type of cells known as enterocytes.
8. Write the name of the largest gland found in the body.
Answer: One of the most vital digestive glands of the human body, the liver is also the largest
gland found in the body.
9. Which gland secretes ptyalin enzyme?
Answer: Salivary gland secretes the enzyme ptyalin.
10. How many cartilages are found in the larynx?
Answer: Larynx is made up of nine types of cartilages.

5

11. The mucus in trachea is produced by________
Answer: Mucus in the trachea is produced by the epithelium.
12. How much blood is found in a normal person?
Answer: Amount of blood is actually equivalent to about 70% of the body weight. Hence, a
person of average weight 150 to 180 pounds, should have about 5 litres of blood.
13. What is the lifespan of the platelets?
Answer: The average lifespan of a platelet is only 10 days.
14. Name of the vessel in which impure blood flows.
Answer: The vessel that carries impure blood is the vein.

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Our Academics

 The transformative learning experiences at Sayar Sanskar
Bharti Secondary School are designed to help our students
grow both in and out of the classroom.

 Each school day is filled with opportunities to experience
new educational , social, and emotional situations.

 Our teachers create a safe and open setting where they
can help guide students in exploring the information and the
world around them.

A SAYAR’S CREATION


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