Peninsular Plateau

 A. Fill in the blanks

1. The Peninsular Plateau consists of Central Highlands and Deccan Plateau

2. The Jog Fall on the river Sharavati in Karnataka is the highest waterfall in India.

3.The river Chambal, Betwa and Son originate in the Central High Highland.

4. The Deccan Plateau is bounded by the Western Ghats in the west and the Eastern Ghats in the east.

5. The Mahanadi, GodavariKrishna and Kaveri flow through the Deccan plateau.

B. Tick the right answer.

1. _______ is the largest plateau in India.

ans. Deccan Plateau

2. Red soil is very good for growing 

ans. groundnuts

3. Hyderabad, Nagpur, Bhopal and Mysore are important cities of __

ans. Deccan Plateau

4. The Chhota Nagpur Plateau is thickly forested because here there is 

ans. lot of rainfall

5. Many people of the plateau region work in industries because

ans. the region has  a lot of mineral and wealth

C. Write T for True and F for False. 

1. Black soil is ideal for growing cotton and oil-seeds True

2. The rivers, Narmada and Tapi become dry in summer because all teh water in them is used for irrigation. False.

3. The Malwa Plateau consists of states of Jharakhand and parts of Odisha, Bihar and Chhattisgarh.False

4. The peninsular Plateau lies to the north of the Northern Plains. False 

5. The Deccan Plateau is also called the Southern Plateau. True

D. Answer the following 

1. What is a plateau?

ans. Plateau is an area of land that rises high but is flast on top is called a plateau.

2. Name the states that lies in the Malwa Plateau.

ans. Rajasthan, Madhya Pradesh and Gujrat lies in the Malwa Plateau.

3. Which are the rivers that flow through the Deccan Plateau?

ans.Mahanadi, Godavari, Krishana, and Kaveri are the name of the rivers that flow through the Deccan Plateau.

4. Describe the main occupation of the people in the Peninsular Plateau.

and. Farming, mining and working in industries are the major occupations of the people.

5. Which are the minerals mined from the Peninsular Plateau region?

ans. Manganese, coal, iron ore, bauxite, copper, lime stone etc. are the mineral are mined from the Penisular Plateaus.

 

The Great Indian Desert Class IV 

Coastal Plains And Islands Class IV

 

Body Movements

1.  Fill in the blanks

1. The framework of bones in our body is called the skeleton.

2. The backbone is made up of many small bones called vertebrae.

3. The backbone protects the spinal cord.

4.  Bones are vertebrate in birds.

5. Joints of the bones help in movement the of the body.

6. A hard rounded structure i snail is called the invertebrate.

7. A snake moves smoothly over a surface by making twisting motion. 

B. Multiple choice questions

1. Knee joint is an example of 

ans. Hinge joint

2. Which of the following is not a movable joint?

ans. joints in the skull

3. The joint which allows movement in all directions is 

ans. ball and socket joint

4. The bones at the joints are help together by 

ans. ligaments

5. Which of these acts as a shock absorber at the joints?

ans. cartilage

6. The number of ribs in the human body is

ans.  12 pairs

C. Very short answer (one word)

1. Number of vertebrae in the spine 

ans. 33

2. Point at which two or more bones meet 

ans. Joints

3. Largest bone in the human body 

ans. femur

4.Total number of bones in human body

ans.206

5.Hallow bones are found in which animals?

ans.Ostriches and emu birds

6.The only movable bone in the skull

ans. Jaw

D. Short answer questions.

1. Why do animals move from one place to another?

ans. Animals move from one place to another in search of food, shelter and suitable environment that protect them. 

2. List any three functions of skeleton.

ans. Three functions of the skeleton are

(i) It gives shape to the body.

(ii) It it protects softer parts of our bodies

(iii) It provides numerous points in our body for the attachment of muscles. 

3. What are joints name the four kind of joints.

Ans. Joints are the places where two or more bones meet.Four kinds of joints are

(i) Ball and socket joint

(ii)Pivotal joint

(iii) hinge joint

(iv) Gliding joint

4. What is cartilage? How is it useful?

ans. Cartilage is the soft tissue present present at the end of the bones.  Cartilage acts as a shock absorber and reduces friction between the bones.

5. What are the functions of spine or backbone?

ans. There are following functions of Backbone.

(i) Backbone provide main support to the body

(ii) Backbone supports the head at the top.

(iii) It attaches shoulder,rib and hip bones.

(iv) Backbones protect the spinal cord.

6. List two adaptation in birds that help them to fly.

ans. Streamlined body or boat-shaped body and hollow bones 

D. Long answer questions

a Ligament and tendon.

Ligament:- It is the strong, stretchy structures that hold the bones together at the joints

Tendon:- It is the strong band that join muscles to bones.

b. Ball Socket Joints and Hinge joint

Ball Socket:-It allows movement in all directions e.g. shoulder joint, hip joint etc. It is freely movable joint. 

Hinge Joint:-  Movement takes place about a single axis in one plane only and resembles the to and fro swing like the hinges of a door, eg. knee joint, elbow joint etc. 

2. How do the following move?

ans. a. earthworm b. snake c. fish

Earthworm:- When the earthworm moves, the circular muscles contract first, and the body becomes thinner and longer and the front part is fixed to the surface with the setae. When te longitudinal muscles contract, the body becomes shorter and teh hind part is pulled up. 

Snake: Snake's body curves into many loops . Each loop gives it a forward push by pressing against the ground. Thus, the snake moves forward very fast and not in the straight line. 

Fish:- The skeleton of the fish is covered with strong muscles. During swimming, muscles make the front part of the body curve to one side and the tail part swings towards the opposite side. This makes a jerk and pushes the fish forward. A series of such jerks help the fish swim ahead. 

Next Chapter: 

The Living Organisms and Their Surroundings Class VI.

Coastal Plains and the Isands

 A. Fill in the blanks. 

1. The Western coastal Plain lies between the Arabian sea and the western ghats.

2. The Narmada and Tapi flow along the Western coastal Plain.

3. The Eastern coastal Plain in Tamil Nadu is known as the Coromandel Coast.

4. The Mahanadi delta is known as the "Rice of Bowl of India". 

5. Andaman and Nicobar Islands are situated in the Bay of Bengal.

6. Lakshadweep Islands consist of a group of 36 coral islands.

B. Tick the right answer.

1. The Western Coastal Plain in the south is know as 

ans. Malabar coast

2. Oil wells have been dug from the 

ans. Mumbai Coast

3. The river Narmada which originate from the Vindhyas flows into the 

ans. Arabian Sea

4. The Lakshadweep Islands are situated in the 

ans. Arabian Sea

5. The important food of the people of the islands is 

ans. rice with fish

C. Write T for True and F for False.

1. India's coastline stretches from Gujarat to West Bengal True. 

2. The Eastern coastal Plain lies between Kerala and Gujarat False

3. The coastal regions experience hot and hud weather throughout the year. True.

4. The natives  of the islands live by fishing or farming True

5.Many tourists visit the islands because of their scenic beauty False.

D. Answer the following 

1. What is a coast ? Describe the climate of the coastal regions.

ans. A coast is the part of the lands adjoining or near the sea.

During the summer season the days and nights are hot and Mansoon strikes in July and lasts till September.

2. What are the main occupations of the people in the coastal regions? 

ans.   Agriculture, fishing,seafood processing, salt making,mining and dairy farming are main ocupations of the people in the coastal regions

3. What is an Island?

ans. An Island is any area of land which is surrounded by water.

4. Most of the Islands of Andaman and Nicobar are not populated. Why.

Ans. They do not have fresh water and are covered with dense forest.

5. Why is the Cellular Jail in Port Blair famous?

ans. Cellular Jail is famous because many Indian freedom fighters were kept during British period. 

 

The previous Chapter 

Globes and Maps Class IV.