Class 7 1. Nutrition in Plants Additional long-Answered Questions: NCERT Book Solutions
Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams.
NCERT Solutions
All chapters of ncert books Science 1. Nutrition in Plants Additional long-Answered Questions is solved by exercise and chapterwise for class 7 with questions answers also with chapter review sections which helps the students who preparing for UPSC and other competitive exams and entrance exams.
Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams. - 1. Nutrition in Plants - Additional long-Answered Questions: NCERT Book Solutions for class 7th. All solutions and extra or additional solved questions for 1. Nutrition in Plants : Additional long-Answered Questions Science class 7th:English Medium NCERT Book Solutions. Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams.
1. Nutrition in Plants : Additional long-Answered Questions Science class 7th:English Medium NCERT Book Solutions
Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams. - 1. Nutrition in Plants - Additional long-Answered Questions: NCERT Book Solutions for class 7th. All solutions and extra or additional solved questions for 1. Nutrition in Plants : Additional long-Answered Questions Science class 7th:English Medium NCERT Book Solutions.
Class 7 1. Nutrition in Plants Additional long-Answered Questions: NCERT Book Solutions
NCERT Books Subjects for class 7th Hindi Medium
1. Nutrition in Plants
Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams.
Additional long-Answered Questions
1. Nutrition in Plants
Ques1:- Give a brief description of the process of synthesis of food in green plants.
Ans:- The process of synthesis of food in green plants is known as photosynthesis. In which green plants take CO2 and water as a raw material. This process occurs in presence of chlorophyll which is a green pigment. Plants store synthesised food in leaves.
Ques2:- What are insectivorous plants?
Ans:- The insect is digested by the digestive juices secreted in the pitcher. Such insect-eating plants are called insectivorous plants.
Ques3:- From where do the plants obtain nitrogen?
Ans:- Soil has certain bacteria that convert gaseous nitrogen into a usable form and release it into the soil. These soluble forms are absorbed by the plants along with water.
Ques4:- What is so special about the leaves that they can synthesis food but other parts of the plant cannot?
Ans:- Because the leaves have a green pigment called chlorophyll.
Ques5:- What is photosynthesis?
Ans:- The process by which green plants make their food from water and carbon dioxide in presence pf sunlight is called photosynthesis.
Ques6:- What is Saprotrophic mode of nutrition?
Ans:- The mode of nutrition in which the organisms take in nutrients in solution form from dead and decaying matter is called Saprotrophic mode of nutrition.
Ques7:- What is autotrophs?
Ans:- Organisms that can make their own food are called autotrophs or producers.
For ex. Green plants.
Ques8:- How would you test the presence of starch in leaves?
Ans:- When iodine comes in contact with starch, a dark blue colour appears. Testing the presence of starch in leaves, when we dropped some solution of iodine on leaves they give dark blue colour. Thus we can say there is starch in leaves.
Ques9:- Write the differences between a parasite and a saprotroph.
Ans:-
Parasite :-
(i) It gets nutrients from host on which they live.
(ii) It lives on or in the host.
(iii) Ex: Cuscuta
Saprotroph :-
(i) It gets nutrient from dead and decaying matter.
(ii) It lives on dead or decaying stuff.
(iii) Ex: Bacteria and fungi.
Ques10:- Why do organisms take food?
Ans:- Organisms need food to
(i) Get energy to do work.
(ii) Build up body .
(iii) Repair damages in the body.
(iv) Maintain the functions of the body.
Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams.
See other sub-topics of this chapter:
2. Text-book Questions (Exercise)
3. Additional Short Answered questions
4. Additional long-Answered Questions
Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams. - 1. Nutrition in Plants - Additional long-Answered Questions: NCERT Book Solutions for class 7th. All solutions and extra or additional solved questions for 1. Nutrition in Plants : Additional long-Answered Questions Science class 7th:English Medium NCERT Book Solutions. Class 7 chapter 1. Nutrition in Plants important extra long questions with solution for board exams and term 1 and term 2 exams.
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Notes And NCERT Solutions
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Science Chapter List
1. Nutrition in Plants
2. Nutrition in Animals
3. Fibre to Fabric
4. Heat
5. Acids, Bases and Salts
6. Physical and Chemical Changes
7. Weather, Climate and Adaptations of Animals to Climate
8. Winds, Storms and Cyclones
9. Soil
10. Respiration in Organisms
11. Transportation in Animals and Plants
12. Reproduction in Plants
13. Motion and Time
14. Electric Current and its Effects
15. Light
16. Water : A Precious Resource
17. Forests: Our Lifeline
18. Wastewater Story