Class 6 Science Chapter 7 Getting to know Plants (উদ্ভিদৰ বিষয়ে জানো আহা)

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Class 6 Science Chapter 7 Getting to know Plants (উদ্ভিদৰ বিষয়ে জানো আহা) answer to each chapter is provided in the list so that you can easily browse throughout different chapter Assam Board As Per New Syllabus Class 6th Science Unit Class 6 Science Chapter 7 Getting to know Plants (উদ্ভিদৰ বিষয়ে জানো আহা) and select needs one.

SEBA Class 6 Science Chapter 7 Getting to know Plants (উদ্ভিদৰ বিষয়ে জানো আহা)

Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam Class 6 Science Chapter 7 Getting to know Plants (উদ্ভিদৰ বিষয়ে জানো আহা) Solutions for All Subject, You can practice these here…

Getting to know Plants [উদ্ভিদৰ বিষয়ে জানো আহা]

Chapter: 7

Exercises

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

(a) Stem absorbs water and minerals from the soil. 

Ans: Roots absorb water and minerals from the soil. 

(b) Leaves hold the plant upright.

Ans: Roots hold the plant upright. 

(c) Roots conduct water to the leaves. 

Ans: Stem conducts water to the leaves.

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

Ans: The number of petals and sepals in a flower may not always be equal.

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

Ans: If the sepals of a flower are joined together, its petals are not necessarily joined together. 

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

Ans: If the petals of a flower are joined together, then the pistil is not necessarily joined to the petal. 

Q.2. Draw 

(a) a leaf. 

(b) a tap root. 

(c) a flower, you have studied for table 7.3 of the textbook.

Ans: (a) Leaf 

(b) Tap root

(c) Flower 

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

Ans: Yes, we find a cucumber plant in our house which has a long but a weak stem. We would classify it as a climber.

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

Ans: The main functions of a stem in a plant are – 

(i)  It conducts water and minerals to the leaves and other parts of the plant attached to the stem. 

(ii) Stem also transports food made by the leaves to different parts of the plant.

Q.5. Which of the following leaves have a reticulate ve- nation? 

wheat, tulsi, maize, grass, coriander (dhania), china rose. 

Ans: Tulsi, China rose and coriander. 

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

Ans: Parallel venation. 

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

Ans: Tap root. 

Q.8. Is it possible for you to find out whether a plant has tap roof or fibrous roots by looking at the impression of its leaf on a sheet of paper? 

Ans: Yes, it is possible. If the leaf has reticulate venation, then the plant will have tap root and if the leaf has parallel vena- tion, then the plant will have fibrous roots.

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

Ans: Sepals, petals, stamens and pistil.

Q.10. Which of the following plants have you seen? Of those that you have seen, which ones have flowers? 

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

Ans: Yes, I have seen all these plants. Of these plants. those which have flowers are- chilli, tomato, tulsi, mango, lemon, jamun, guava pomegranate, papaya and banana. 

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

Ans: Name of the part is – leaves and the name of the process is – photosynthesis. 

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

Ans: In the pistil. 

13. Name two flowers each with joined and separated sepals.

Ans: Flowers with joined sepals: Datura, brinjal Flowers with separated sepals: rose, jasmine

Additional Questions & Answers

A. Very short answer type questions and answers 

Q.1. What are the three main categories of plants?

Ans: The three main categories of plants are herbs, shrubs and trees.

Q.2. What are herbs?

Ans: Plants with green and tender stems are called herbs.

Q.3. Give examples of two herbs.

Ans: Potato, tomato.

Q.4. What are shrubs? 

Ans: Some plants have the stem branching out near the base. The stem is hard but not very thick. Such plants are called shrubs.

Q.5. Give examples of two shrubs.

Ans: Tulsi, lemon.

Q.6. What are trees? 

Ans: Some plants are very tall and have hard and thick brown stem. The stems have branches in the upper part, much above the ground. Such plants are called trees.

Q.7. Gie examples of two trees.

Ans: Mango, pipal.

Q.8. What are creepers? 

Ans: Plants with weak stems, that cannot stand upright and spread on the ground are called creepers. 

Q.9. Give examples of two creepers. 

Ans: Pumpkin, watermelon. 

Q.10. What are climbers?

Ans: Plants with weak stems which take support on neighbouring structures and climb up are called climbers. 

Q.11. Give examples of two climbers. 

Ans: Grapevine, money plant. 

Q.12. Through which part of a plant do water and min erals move up to the leaves? 

Ans: Water and minerals move up to the leaves through the stem. 

Q.13. What are the two major parts of a leaf?

Ans: The two major parts of a leaf are petiole and lamina. 

Q.14. What is a petiole? 

Ans: The part of a leaf by which it is attached to the stem is called a petiole. 

Q.15. What is lamina? (we fet)

Ans: The broad, green part of the leaf is called lemina. 

Q.16. What are veins? 

Ans: The lines on a leaf are called veins.

Q.17. What is a midrib? 

Ans: The large vein in the middle of a leaf is called the midrib. 

Q.18. What is leaf venation?

Ans: The design made by veins in a leaf is called leaf venation. 

Q.19. What are the types of leaf venation?

Ans: The types of leaf venation are – reticulate and parallel venation.

Q.20. What do you mean by reticulate venation? 

Ans: When the design of the veins of a leaf is net-like on both sides of the midrib, it is called reticulate venation. 

Q.21. What do you mean by parallel venation?

Ans: When the veins of a leaf are parallel to each other, it is called a parallel venation. 

Q.22. What is transpiration? 

Ans: The process through which plants release water in the form of vapour to the atmosphere is called transpiration. 

Q.23. What is photosynthesis? 

Ans: Leaves of plants prepare their food in presence of sunlight and chlorophyll using water and carbon dioxide from air. This process is called photosynthesis.

Q.24. Which gas is released in the process of photosynthesis?

Ans: Oxygen is released in the process of photosynthesis. 

Q.25. What are the main types of roots?

Ans: The two main types of roots are – tap root and fi- brous root. 

Q.26. What is a tap root?

Ans: Some plants have a main root from which smaller roots originate. Such a root is called a tap root. 

Q.27. What do you mean by fibrous roots?

Ans: Some plants do not have a main root and all the roots seen similar. These are called fibrous roots. 

Q.28. Name four plants which store food in the roots. 

Ans: Carrot, radish, sweet potato, turnip.

Q.29. What are the parts of a stamen? 

Ans: The parts of a stamen are anther and filament. 

Q.30. What are the parts of a pistil? 

Ans: The parts of a pistil are stigma, style and ovary. 

Q.31. What are ovules? 

Ans: The small bead-like structures inside an ovary are called ovules.

B. Short answer type questions and answers 

Q.1. What are the functions of leaves in a plant?

Ans: The main function of leaves in a plant are –

(a) The leaves prepare food for the plant. 

(b) The leaves also lose water through transpiration. 

Q.2. What are the functions of roots in a plant? 

Ans: The main functions of roots in a plant are: 

(a) The roots absorb water and minerals from the soil. 

(b) The roots hold the plant firmly in the soil.

অসমীয়া মাধ্যমত পাঠভিত্তিক প্ৰশ্নোত্তৰ

প্ৰশ্ন : –  ১) তলৰ বাক্যবোৰ শুদ্ধ কৰা আৰু পুনৰ লিখা ।

ক) কাণ্ডই মাটিৰ পৰা পানী আৰু খনিজ পদাৰ্থ শোষণ কৰে ।

উত্তৰঃ – শিপাই মাটিৰ পৰা পানী আৰু খনিজ লৱন শোষণ কৰে ।

খ) পাতে গছক থিয় কৰি ৰাখে ।

উত্তৰঃ – পাতে গছক থিয় কৰি ৰাখে ।

গ) শিপাই পাতলৈ পানী পৰিবহন কৰে ।

উত্তৰঃ – কাণ্ডই পাতলৈ পানী পৰিবহন কৰে ।

ঘ) এপাহ ফুলত সদায় সমানসংখ্যক বেটুপাত আৰু পাহি থাকে ।

উত্তৰঃ – এপাহ ফুলৰ বেটুপাত আৰু পাহিৰ সংখ্যা একে হয় । 

ঙ) যদিহে এপাহ ফুলৰ বেটুপাত সংলগ্ন থাকে তেন্তে পাহিবোৰো সংলগ্ন হৈ থাকে ।

উত্তৰঃ – এপাহ ফুলৰ বেটুপাত সংলগ্ন থাকিলে পাহি সংলগ্ন নাথাকে ।

চ ) যদি এপাহ ফুলৰ পাহিবোৰ সংলগ্ন ( অথবা একেলগে লাগি থাকে ) তেন্তে গৰ্ভকেশৰো বেটুপাতৰ লগত সংলগ্ন হৈ থাকে ।

উত্তৰঃ – এপাহ ফুলৰ পাহি সংলগ্ন থাকিলে গৰ্ভকেশৰ বেটুপাতৰ লগত সংলগ্ন নাথাকে ।

প্ৰশ্ন : – ২) তোমালোকে ঘৰত অথবা ঘৰৰ ওচৰে – পাজৰে দেখা দুৰ্বল কাণ্ডৰ এবিধ উদ্ভিদৰ নাম লিখা । তোমালোকে ইয়াক কোন শ্ৰেণীত 

অন্তৰ্ভুক্ত কৰিবা ?

উত্তৰঃ – আমি দেখিবলৈ পোৱা এনে এবিধ উদ্ভিদ হৈছে লতা জাতীয় উদ্ভিদ ।

প্ৰশ্ন : –  ৩) উদ্ভিদৰ কাণ্ডৰ কাম কি ?

উত্তৰঃ – উদ্ভিদৰ কাণ্ডই নিম্নোক্ত কাৰ্য সম্পন্ন কৰে  : 

১) কাণ্ড আৰু ইয়াৰ শাখা – প্ৰশাখাই উদ্ভিদৰ পাতক অধিক পৰিমাণত সূৰ্যৰ পোহৰ পোৱাত সহায় কৰে ।

২) ই উদ্ভিদৰ শিপাৰ পৰা উদ্ভিদৰ বিভিন্ন অংশলৈ পানী পৰিবহন কৰে । 

৩) পাতত প্ৰস্তুত খাদ্য কাণ্ডই উদ্ভিদৰ বিভিন্ন অংশলৈ পৰিবহন কৰে ।

৪) কাণ্ডই পাত , ফুল আৰু ফল বহন কৰে ।

প্ৰশ্ন : –  ৪) অংকন কৰা ―

ক) এখিলা পাত

উত্তৰঃ – 

খ) এথোপা মুখ্যমূল 

উত্তৰঃ – 

গ) এপাহ ফুল

উত্তৰঃ – 

প্ৰশ্ন : –  ৫) তলৰ কোনবোৰ পাতত জাল সিৰা বিন্যাস দেখিবলৈ পোৱা যায় ।

ঘেঁহু , তুলসী , গোমধান , ঘাঁহ , ধনীয়া , জবাফুল ।

উত্তৰঃ – তুলসী আৰু জবা ফুলত ।

প্ৰশ্ন : –  ৬) যদি এজোপা উদ্ভিদৰ শিপাবোৰ গুচ্ছমূল যুক্ত হয় , তেন্তে তুমি এই উদ্ভিদ জোপাৰ পাতত কেনেকুৱা সিৰা বিন্যাস দেখিবলৈ পাবা ?

উত্তৰঃ – সমান্তৰাল সিৰা বিন্যাস ।

প্ৰশ্ন : –  ৭) যদি এজোপা উদ্ভিদৰ সিৰা বিন্যাস জাল হয় তেন্তে ইয়াৰ শিপা কেনে হব ?

উত্তৰঃ – মুখ্যমূলৰ হ’ব ।

প্ৰশ্ন : – ৮) এখিলা পাত নেদেখাকৈ চিনাক্ত কৰা সম্ভৱনে ? কেনেকৈ ?

উত্তৰঃ – নেদেখাকৈ এখিলা পাত খাটাংকৈ চিনাক্ত কৰাটো সম্ভৱ নহয় । পাতখিলাৰ স্পৰ্শ আৰু গোন্ধ লৈ কিছু ধাৰণা কৰিব পাৰি ।

প্ৰশ্ন : –  ৯) ফুলৰ বিভিন্ন অংশৰ নাম লিখা ।

উত্তৰঃ – বেটুপাত , পাহি , গৰ্ভকেশৰ , পুংকেশৰ ।

প্ৰশ্ন : –  ১০) তলত দিয়া কোনবোৰ উদ্ভিদ তোমালোকে দেখিছা ? তাৰ ভিতৰত কোনবোৰত ফুল আছে ?

উত্তৰঃ – এই সকলোবোৰ উদ্ভিদেই দেখিবলৈ পাইছোঁ । এই সকলোবোৰ উদ্ভিদৰে ফুল আছে ।

প্ৰশ্ন : –  ১১) উদ্ভিদৰ কোন অংশই খাদ্য প্ৰস্তুত কৰে ? প্ৰক্ৰিয়াটোৰ নাম লিখা ।

উত্তৰঃ – উদ্ভিদৰ পাতে খাদ্য প্ৰস্তুত কৰে । উদ্ভিদৰ খাদ্য প্ৰস্তুত হোৱা প্ৰক্ৰিয়াটোক সালোক সংশ্লেষণ বোলা হয় ।

প্ৰশ্ন : –  ১২) ফুলৰ কোন অংশত গৰ্ভাশয় থাকে ?

উত্তৰঃ – গৰ্ভকেশৰত গৰ্ভাশয় থাকে । ই হৈছে গৰ্ভাশয়ৰ আটাইতকৈ তলৰ অংশ । 

প্ৰশ্ন : –  ১৩) বেটুপাত সংলগ্ন আৰু পৃথককৈ থকা দুবিধ ফুলৰ নাম লিখা ।

উত্তৰঃ – বেটুপাত সংলগ্ন ফুল :- ধুতুৰা আৰু লাকি ।

বেটুপাত সংলগ্ন নথকা ফুল :- সৰিয়হৰ ফুল আৰু গধূলি গোপাল ।

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