Things around us | Biotic and abiotic components of the Environment | Living things and their characteristics |

Things Around Us 

                                                                                                 - Priyanka Chandratre

 

👉Biotic Components of our Environment :

✓ Biotic components = Living components

✓ Plants and animals are biotic components

Living Things and their characteristics 

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1. Food and Nutrition :

2. Respiration : 

Read More : Habitat of the Living things

3. Growth and Development :

4. Excretion :

5. Reproduction :

6. Movement and Response to Stimuli :

7. Definite Lifespan : 

8. Structural Organization :

👉Interactions among Biotic components : 

👉Abiotic Components of the Environment : 

✓ Abiotic components = Non-living components

✓ Sunlight, air, water, soil and temperature are abiotic components

Habitat of the Living | Forest Habitat | Grassland Habitat | Desert Habitat | Tundra Habitat | Aquatic Habitat |

 Habitat of the Living

Habitat : 

Area where a particular organism lives naturally and which provides the organisms with food, shelter and favorable climatic conditions, so that it can easily survive, breed and flourish is called a habitat.

1) Forest Habitats

2) Grassland Habitats

3) Desert Habitats

4) Tundra Habitats or Polar Regions

5) Aquatic Habitats

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1) Forest Habitats :

Read More : Mixtures | Properties of Mixtures |

a) Tropical Rainforest : 

b) Taiga Forest :

c) Temperate Forest :

2) Grassland Habitats : 

➤ Grasslands are big open spaces in which vegetation is dominated by a nearly continuous cover of grass .

 ➤Soil is very fertile & few trees and herbs grow here

➤ In North America, the grasslands are called prairies

➤ Rainy season as well as a season of drought every year

➤ Large herds of grazing mammals such as deer, giraffe, elephants, lions, tigers, hyenas, zebras, bison      & ostrich found here

3) Desert Habitats : 

➤ Extreme heat and dryness 

➤ Very little or no rainfall

➤ Days are very hot, while the nights are very cold

4) Tundra Habitats or Polar Regions :

5) Aquatic Habitat :

    संयुक्त व्यंजन और द्वीत्व व्यंजन में क्या अंतर है? 

                                                                                                                    

                                                                                                 - प्रियंका चंद्रात्रे 

संयुक्त व्यंजन : 

दो अलग - अलग व्यंजनों के मेल से बनने वाला व्यंजन संयुक्त व्यंजन कहलाता है |

✍️हिन्दी में मुख्य रूप से चार संयुक्त व्यंजन है |

१ ) क्ष = क्  + ष 

                

कक्षा , क्षत्रिय , क्षमा , पक्षी , अक्षर , क्षण , क्षति , क्षय , क्षेत्र , क्षेत्रफल , क्षमता, संरक्षण  , क्षितिज , क्षमता , क्षेत्रपाल , आक्षेप , शिक्षा , क्षेपणास्र  

२ ) त्र = त् + र 

पत्र, मित्र , पात्र , यात्रा, पुत्र , छात्र , चित्र , नेत्र , यंत्र , रात्रि , तंत्र , सर्वत्र , त्रिपाठी , त्रिशूल , त्रिकाल, त्रिदेव , त्रिनेत्र , त्रिफला , पत्रकार , एकमात्र , त्रिभुवन 

३ ) ज्ञ = ज + ञ 

ज्ञान , ज्ञात , यज्ञ , संज्ञा , सर्वज्ञ , विज्ञान , प्रतिज्ञा , अज्ञानी , जिज्ञासा , ज्ञानपीठ , विशेतज्ञ 

४ ) श्र = श् + र 

श्रम, मिश्र , श्रेष्ठ , श्राप , श्रोता , श्रद्धा , श्रमिक , आश्रम , विश्राम , परिश्रम , श्रीमंत , श्राद्ध , आश्रित , श्रवण , श्रीमान, श्रेणी , श्राव , श्रीधर 

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Read More : प्रत्यय | उपसर्ग |

द्वीत्व व्यंजन : 

जब एक ही व्यंजन एक के बाद दूसरा आता है, तो वह द्वीत्व व्यंजन कहलता है |

उदाहरण - 

पत्ता , कच्चा , पक्का , छुट्टी , छब्बिस , दिल्ली , इक्कीस , अम्मा , बिल्ली , कुत्ता , उल्लू , मिट्टी , खट्टा , लड्डू , डब्बा , गुब्बारा , मक्का , सच्चा , उन्निस , प्रसन्न , तल्लीन 

Mixtures | What are the properties of mixture ? What are the 5 methods of separating mixtures? What are the 5 methods of water purification?

 

Mixtures

Mixtures are formed when two or more substances are mixed together in any ratio. These different substances that make up a mixture are called components or constituents. 

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Social Studies Practice Test | Class 5 | Globes and Maps | Continents and Oceans | Beginning of the British rule in India | The United Nations |

Social Studies Practice Test 

Class - 5

                               

                                            - Priyanka Chandratre

Portion :

1) Globes and Maps

2) Continents and Oceans

3) Beginning of the British rule in India

4) The United Nations

Q. I ] Fill in the blanks.

1) The most important latitudinal line is the ________________

2) The largest desert in Asia is the _______________

3) The Battle of Buxar took place between ___________ and the __________

4) October 24 is recognized as ________________

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Q. II ] Match the pairs.

             ( A )

1) Headquarters of the UN

2) Jahangir

3) International Date Line

4) Largest desert in Africa

            ( B )

a) 180° line

b) London

c) 360° line

d) New York

e) Mir Jafar's Son

f) Sahara

g) Akbar's son

h) Gobi

Q. III ] True or False.

1) Nile is the largest river.

2) The lines connecting the poles are called meridians of longitude.

3) The French established their trading base at Pondicherry.

4) In the Security Council five members are non-permanent and ten members are permanent.

Solve More : Science Practice Test | Class 5 |

Q. IV ] Choose the correct answer.

1) How many members in the ECOSOC?

a) 44

b) 45

c) 54

d) 55

2) East India Company first arrived at ___________

a) Broach

b) Ahmedabad

c) Agra

d) Surat

3) Who estimated the size of the Earth?

a) Sir Isaac Newton

b) Alexandria

c) Aristotle

d) Einstein

4) Which of the following is the continent and country as well?

a) Antarctica

b) South America

c) Africa

d) Australia

Q. V ] Give answers in short.

1) What is mean by Ring of Fire?

2) Why the Equator is called the Great Circle?

3) The Carnatic Wars fought between which kingdoms?

4) What is ' Power of Veto' of the UN Security?

Q. VI ] Answer the following questions in detail.

1) What happens at the International Court of Justice?

2) Describe the Battle of Plassey?

3) Write a note on any two ocean.

4) What is a Globe?

Q. VII ] Name the following.

1) Longest latitude - ____________

2) Largest country in Asia - ___________

3) Volcanic mountain in Africa - ____________

4) Largest lake in Europe - ____________

5) Full form of UNICEF - ____________________

6) Five permanent members of Security Council - _____________

7) Full form of WHO - _________________

 

Nutrition in plants mcqs | Class 7 | Science Practice Test | What is Class 7 nutrition in plants?

                   Science Practice Test - II

                               Class - 7 

                                                                               - Priyanka Chandratre

Portion : Nutrition in plants

Choose the correct answer.

1) All green plants are _______________

    a) heterotrophs

    b) autotrophs

    c) none of the above

2) The products of photosynthesis are___________________

    a) glucose

    b) oxygen

    c) all of the above

3) Which of the following traps sunlight?

    a) stomata

    b) chlorophyll

    c) roots

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4) Each stoma consists of _____________

    a) a stomatal opening

    b) two guard cells

    c) all of the above

5) A network of tubes which is used for transportation of water is called ___________

   a) phloem

   b) xylem

   c) all of the above

6) Which of the following is used by parasitic plants to penetrate the host plants?

     a) tentacles

     b) hairs

     c) haustoria

 Solve More :  Science Practice Test | Class 7 |

7) Which of the following is not a parasitic plant?

    a) Cuscuta

    b) Corpse flower

    c) Indian pipe

8) Which of the following is an example of partial parasites?

    a) Dodder

    b) Dwarf mistletoe

    c) Mistletoe

9) Insectivorous plants shows which nutrient deficiency?

    a) sulfur

    b) nitrogen

    c) calcium

10) Which of the following is an example of insectivorous plant?

       a) Sundew plant 

       b) Bladderworts

       c) All of the above

Solve More : मराठी व्याकरण | शब्दांच्या जाती |

11) Which of the organisms get its food from dead and decaying matter?

      a) Algae

      b) Fungi

      c) Insectivorous plants

12) In which nutrition the organisms develop mutual relationship with other organisms to obtain nutrients?

      a) Parasite

      b) Saprotrophs

      c) Symbiosis

13) ____________ is not a saprotrophs.

    a) Rhizobia

    b) Mushrooms

    c) Bread mould 

14) The tiny pores present in the leaves of the plants for exchange of gases are called _________________

       a) chloroplast

       b) stomata

       c) spiracles

15) Utricularia is an example of an ____________ plant.

      a) Parasites

      b) Saprotrophs

      c) Insectivorous

 

  

Class 5 | Science Practice Test | Skeletal system and Muscular system | Nervous system | What is the nervous system?

Science Practice Test 

Grade - 5

                                 

                                            - Priyanka Chandratre

* Test Portion :

1) The Skeletal System and Muscular System

2) The Nervous System

Q. I ] Fill in the blanks.

1) There are ____________ bones in our skull.

2) We are able to balance and maintain an upright posture because of ____________

3) __________________ is the longest bone in the body.

4) The ___________ separates the outer ear from the middle ear.

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Q. II ] Name the following.

1) The biggest sensory organ of our body - _________________

2) A soft, fatty substance present at the center of the long bones of the skeleton -                    ______________        

3) The part of brain, which is our intelligence headquarters - __________

4) The muscles found in the heart - _____________

Solve More : Science Practice Test | Class - 7 |

Q.  III ] Match the pairs.

               (A)

1) Vertebrae

2) Ribs

3) Nerves

4) Cerebrum

               ( B)

a) 12 pairs of bones

b) 32 bones 

c) Bundles of threads

d) 33 bones

e) 21 pairs of bones

f) largest part of brain

Q. IV ] Choose the correct answer.

1) The joint, which allow sliding movement of bones.

a) Pivot joint

b) Hinge joint

c) Ball & socket joint

d) Gliding joint 

2) The nerves that carry messages from the brain to the various parts of the body.

a) Sensory nerves

b) Motor nerves

c) Mixed nerves

d) All of the above

3) Which of the following is not function of the skeletal system?

a) Protection of internal organs

b) Movement of different parts of the body

c) Controls all functions of our body

d) To give body shape 

4) The part of ear which converts sound waves into messages.

a) Middle ear 

b) Outer ear

c) Inner ear

d) All of the above

Q. V ] Define the following.

1) Neurons

2) Voluntary Muscles

Q. VI ] Give reasons.

1) A fluid is present at the joints.

2) The brain is a super computer.

Q. VII ] TRUE or FALSE.

1) The dark circle at the center of the eye is the cornea.

2) Hinge joint moves at the hinge in only one direction.

3) Brain stem connects the brain and the spinal cord

4) Except the lower jaw, all the bones of the skull are immovable.

Q. VIII ] Answer the following.

1) Explain reflex actions in detail.

2) Explain any two movable joints in detail.

3) What are nerves? write about different types of nerves.

4) Write a note on a skull.

Q. IX ] Identify following images.

1) 

2) 

3)