Chapter 7

Weather and Climate (āĻŦāϤ⧰ āφ⧰ু āϜāϞāĻŦা⧟ুু

✦ āĻĒ্ā§°āĻļ্āύোāϤ্āϤ⧰:

ā§§. āĻŦāϤ⧰⧰ āωāĻĒাāĻĻাāύāĻŦোā§° āĻ•িāĻ›ুāĻŽাāύ āϞিāĻ–া।

āωāϤ্āϤ⧰: āĻŦāϤ⧰⧰ āωāĻĒাāĻĻাāύāĻŦোā§° āĻšৈāĻ›ে –

  • āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞ⧰ āωāώ্āĻŖāϤা
  • āφāϰ্āĻĻ্āϰāϤা
  • āĻŦā§°āώুāĻŖā§° āĻĒā§°িāĻŽাāĻŖ
  • āĻŦāϤাāĻšā§° āĻ—āϤি
  • āĻŦāϤাāĻšā§° āĻĻিāĻļ
  • āĻŦাāϝ়ু āϚাāĻĒ

⧍. āĻŦāϤ⧰⧰ āφ⧰ু āϜāϞāĻŦাāϝ়ুā§° āĻŽাāϜāϤ āĻĒাā§°্āĻĨāĻ•্āϝ āĻ•ি?

āωāϤ্āϤ⧰: 

āĻŦিāώ⧟            āĻŦāϤ⧰āϜāϞāĻŦাāϝ়ু
āϏংāϜ্āĻžা        āĻāĻ–āύ āĻ াāχ⧰ āĻĻিāύ-āĻĒ্ā§°āϤি-āĻĻিāύ āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞāϤ                 āĻšোā§ąা āĻĒā§°িā§ąāϰ্āϤāύāĻāĻ–āύ āĻ াāχ⧰ ⧍ā§Ģ-ā§Šā§Ļ āĻŦāϛ⧰⧰ āĻŦāϤ⧰⧰ āĻ—ā§œ āĻĒā§°িāϏ্āĻĨিāϤি
āϏāĻŽā§ŸāĻ•াāϞ        āĻ•āĻŽ āϏāĻŽā§Ÿ (āϘāĻŖ্āϟা, āĻĻিāύ āĻŦা āϏāĻĒ্āϤাāĻš)āĻĻীāϘāϞ āϏāĻŽā§Ÿ (āĻŦāϛ⧰ āĻŦা āĻĻāĻļāĻ•)
āωāĻĻাāĻšā§°āĻŖ         āφāϜি āĻŦā§°āώুāĻŖ āĻĒā§°িāĻ›েāĻ…āϏāĻŽā§° āϜāϞāĻŦাāϝ়ু āϏেāĻŽেāĻ•া āφ⧰ু āĻ—ā§°āĻŽ


ā§Š. āĻŦāϤ⧰⧰ āϤāĻĨ্āϝ āϏংāĻ—্ā§°āĻš āϕ⧰িāĻŦāϞৈ āĻŦ্āĻ¯ā§ąāĻšৃāϤ āϝāύ্āϤ্ā§°āĻŦোā§°ā§° āύাāĻŽ āĻ•ি?

āωāϤ্āϤ⧰:

                                   āωāĻĒাāĻĻাāύ                         āϝāύ্āϤ্ā§°ā§° āύাāĻŽ

                                   āĻŦাāϝ়ুā§° āωāώ্āĻŖāϤা                āϤাāĻĒāĻŽেāϤা

                                   āĻŦā§°āώুāĻŖā§° āĻĒā§°িāĻŽাāĻŖ                āĻŦৃāώ্āϟিāĻŽাāύ āϝāύ্āϤ্āϰ (Rain Gauge)

                                   āĻŦāϤাāĻšā§° āĻĻিāĻļ                        āωāχāύ্āĻĄ āĻ­েāύ

                                   āĻŦāϤাāĻšā§° āĻ—āϤি                        āĻāύিāĻŽāĻŽিāϟাā§°

                                   āĻŦাāϝ়ু āϚাāĻĒ                        āĻŦেā§°'āĻŽিāϟাā§°

ā§Ē. āφāϰ্āĻĻ্āϰāϤা āĻŦুāϞিāϞে āĻ•ি āĻŦুāϜা āϝা⧟?

āωāϤ্āϤ⧰: āĻŦাāϝ়ুāϤ āĻĨāĻ•া āϜāϞীāϝ় āĻŦাāώ্āĻĒā§° āĻĒā§°িāĻŽাāĻŖāĻ• āφāϰ্āĻĻ্āϰāϤা āĻŦোāϞে।

ā§Ģ. āϜāϞāĻŦাāϝ়ু āĻ•েāύেāĻĻā§°ে āύিā§°্āϧাā§°āĻŖ āϕ⧰া āĻšā§Ÿ?

āωāϤ্āϤ⧰: āĻāĻ–āύ āĻ াāχ⧰ ⧍ā§Ģ-ā§Šā§Ļ āĻŦāϛ⧰⧰ āĻŦāϤ⧰⧰ āωāĻĒাāĻĻাāύāϏāĻŽূāĻšā§° āĻ—ā§œ āĻĒā§°িāĻŽাāĻŖ (āϝেāύে āωāώ্āĻŖāϤা, āφāϰ্āĻĻ্āϰāϤা, āĻŦā§°āώুāĻŖ) āωāϞিāϝ়াāχ āϤাā§° āĻ­িāϤ্āϤিāϤ āϏেāχ āĻ াāχ⧰ āϜāϞāĻŦাāϝ়ু āύিā§°্āϧাā§°āĻŖ āϕ⧰া āĻšā§Ÿ।

ā§Ŧ. āĻ•ি⧟ āϏāĻ•āϞো āĻ াāχāϤ āĻāĻ•ে āϏāĻŽā§ŸāϤে āĻāĻ•েāϧ⧰āĻŖā§° āĻŦāϤ⧰⧰ āĻ…āĻ­িāϜ্āĻžāϤা āĻŦেāϞেāĻ— āĻšোā§ąা āĻĻেāĻ–া āϝা⧟?

āωāϤ্āϤ⧰: āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞ⧰ āĻŦিāĻ­িāύ্āύ āĻ াāχāϤ āĻŦিāĻ­িāύ্āύ āϏāĻŽā§ŸāϤ āωāώ্āĻŖāϤা, āφāϰ্āĻĻ্āϰāϤা, āĻŦāϤাāĻšā§° āĻ—āϤি āφāĻĻিā§° āĻ­িāύ্āύāϤা āĻĨাāĻ•ি āϏেāχāĻŽāϤে āĻ াāχ āĻ…āύুāϏ⧰ি āĻŦāϤ⧰⧰ āĻĒাā§°্āĻĨāĻ•্āϝ āĻĻেāĻ–া āϝা⧟।

ā§­. āĻŽā§°ুāĻ­ূāĻŽিā§° āϜāϞāĻŦাāϝ়ু āĻ•েāύেāϧ⧰āĻŖā§°?

āωāϤ্āϤ⧰: āĻŽā§°ুāĻ­ূāĻŽিā§° āϜāϞāĻŦাāϝ়ু āĻ—ā§°āĻŽ āφ⧰ু āĻļুāĻ•াāύ। āĻ‡ā§ŸাāϤ āωāώ্āĻŖāϤা āĻ…āϧিāĻ• āφ⧰ু āĻŦā§°āώুāĻŖ āĻ…āϤি āĻ•āĻŽ āĻĒā§°িāĻŽাāĻŖā§° āĻšā§Ÿ।

ā§Ž. āϤাāϞিāĻ•া ā§­.ā§§ āϏāĻŽ্āĻĒূā§°্āĻŖ āϕ⧰াā§° āĻŦাāĻŦে āϤāĻĨ্āϝ āĻ•’āϤ āĻĒā§°া āϝাāĻŦ āĻĒাā§°ে?

āωāϤ্āϤ⧰: āĻŦাāϤ⧰ি āĻ•াāĻ•āϤ (āϝেāύে – āĻ…āϏāĻŽীāϝ়া āĻĒ্ā§°āϤিāĻĻিāύ, āĻĻৈāύিāĻ• āϜāύāĻŽāĻ­ূāĻŽি)

āĻĻূā§°āĻĻā§°্āĻļāύ, ā§°েāĻĄিāĻ…’, āĻŦা āĻ…āύāϞাāχāύ āĻŦāϤ⧰⧰ āϝোāĻ—াāύ āϧ⧰া ā§ąেāĻŦāĻ›াāχāϟ

āĻŦিāĻĻ্āϝাāϞāϝ়ā§° āĻŦাāϤাāĻŦā§°āĻŖ āĻŦিāϜ্āĻžাāύ āĻ•েāύ্āĻĻ্ā§° (āϝāĻĻি āĻĨাāĻ•ে)

⧝. āĻŦāϤ⧰⧰ āφāĻ—āϞি āĻŦāϤ⧰াā§° āωāĻĻ্āĻĻেāĻļ্āϝ āĻ•ি?

āωāϤ্āϤ⧰: āĻŦāϤ⧰⧰ āφāĻ—āϞি āĻŦāϤ⧰া āĻŦা āĻĒূāϰ্āĻŦাāύুāĻŽাāύ⧰ āωāĻĻ্āĻĻেāĻļ্āϝ āĻšৈāĻ›ে āĻŽাāύুāĻšāĻ• āϏāĻŽ্āĻ­াā§ą্āϝ āĻŦāϤ⧰ী⧟ āĻĒā§°িā§ąāϰ্āϤāύ⧰ āĻŦিāώāϝ়ে āφāĻ—āϤী⧟া āϤāĻĨ্āϝ āĻĻি⧟াā§° āϜ⧰ি⧟āϤে āϏāϤ⧰্āĻ• āϕ⧰ি āϤোāϞা।

ā§§ā§Ļ. āĻĒৃāĻĨিā§ąীā§° āϏāĻ•āϞো āĻ…āĻž্āϚāϞāϤ āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞ⧰ āωāώ্āĻŖāϤা āĻāĻ•ে āύোāĻšোā§ąাā§° āĻ•াā§°āĻŖ āĻ•ি?

āωāϤ্āϤ⧰: āϏূā§°্āϝ⧰ āϤাāĻĒ āĻĒৃāĻĨিā§ąীā§° āϏāĻ•āϞো āĻ াāχāϤ āϏāĻŽাāύে āύāĻĒā§°া āĻ•াā§°āĻŖে āωāώ্āĻŖāϤা āĻ­িāύ্āύ āĻšā§Ÿ। āĻĒৃāĻĨিā§ąীā§° āĻ—োāϞাāĻ•ৃāϤি āφāĻ•ৃāϤি āφ⧰ু āϏূā§°্āϝ⧰ āĻ•িā§°āĻŖā§° āĻ•োāĻŖāϤ āĻĒাā§°্āĻĨāĻ•্āϝ āĻĨাāĻ•ি āĻāχ āĻ­িāύ্āύāϤা āϘāϟে।

OLD

Chapter 7

Getting to Know Plants

    đŸ‘‰Text Book PDF
    đŸ‘‰MCQ Online Exam
    đŸ‘‰MCQs Answer


Exercises (āĻ…āύুāĻļীāϞāύী)


1.    Correct the following statements and rewrite them in your notebook.

(a)   Stem absorbs water and minerals from the soll

Ans:-  Roots absorb water and minerals from the soil.


(b)   Leaves hold the plant upright.

Ans:- Trees keep the tree standing.


(c)   Roots conduct water to the leaves.

Ans:- The stem transports water to the leaves.


(d)   The number of petals and sepals in a flower in always equal.

Ans:- The parts of the apah flower are betupat, petals, stamens and garbhakesh.


(e)   If the sepals of a flower are joined together, its petals are also joined together.

Ans:- The petals may not be attached if a flower is attached to it.


(f)   If the petals of a flower are joined together, then the pistil is joined to the petal

Ans:- Even if the petals of a flower are attached, they are not attached to the petals of garbhakesh.


2.    Draw (a) a leaf. b) a taproot and (e) a flower, you have studied for table 7.3

Ans:- (a) a leaf

 b) a taproot





3.    Can you find a plant in your house or in your neighborhood, which has a long but a weak   stem? Write its name, In which category would you classify if?

Ans:- We can see a lot of tall but weak plants around us. These include Aparajita, Gourd, Bhedai Lata, Comora, Bhol, Jica, Kerala, Grapes etc. 

We include these plants in creeper plants.


4.    What is the function of a stem in a plant?

Ans:- Plant stem sends water and mineral salts absorbed from the soil to the leaves. And keeps the plant standing.


5.    Which of the following leaves have reticulate venation?

       Wheat, tulsi, maize, grass, coriander (dhania), China rose

Ans:- We are fake intravenous tulsi rich and jowar.


6.    If a plant has fibrous root, what type of venation do its leaves likely to have?

Ans:- If the roots of a plant are clustered, then we will see parallel veins of this plant.


7.    If a plant has leaves with reticulate venation, what kind of roots will it have?

Ans:- If the leaf net of a plant is syrobinous, then its roots will be the main root.


8.    Is it possible for you to find out whether a plant has taproot or fobrous roots by looking at the        impression of its leaf on a sheet of paper. 

Ans:- Looking at the leaves on a piece of paper, it is possible to say whether there is a main root or a bunch of roots in the tree, because if there is a nutritive juice in the leaf, then the tree will have the main root; And if there is parallel intravenous content in the leaf shell then there will be clusters in the tree.


9.    Write the names of the parts of a flower.

Ans:- Petals, pungkeshars, pollinators, uteruses, wombs, parinakeshar, pollen grains and garbhamunds.

 

10.  Which of the following plants have you see? Of those that you have seen. which sne have   flowers?

       Grass, maize, wheat, chilli, tomato, tulsi, pipal, shisham, banyan, mango, jamun, guava,  pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut.

Ans:- cango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane and potato. 

These include flowers of chillies, tomatoes, tulsi, mangoes, guava, pomegranates, jamuns, papayas, bananas, lemons, badams, etc.


11.   Name the part of the plant which produces its food. Name this process.

Ans:- Plant leaves prepare food. The name of this process is called photosynthesis.


12.   In which part of a flower, you are likely to rid the ovary?

Ans:- The uterus can be seen in the womb of the flower.


13.   Name two flowers, each with joinedand separatd sepals.

Ans:- The names of the flowers attached to the betupa are - Dhatura and Jawaful. And the names of the flowers separated are - Rose and Tagar.


 

Answer By:- Sourabh Bora

Check by - Mukesh Borah