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1. Nutrition in Plants SCIENCE class 7 in English Medium ncert book solutions Additional long-Answered Questions
1. Nutrition in Plants Additional long-Answered Questions – Complete NCERT Book Solutions for Class 7 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 1. Nutrition in Plants Additional long-Answered Questions to help you master concepts and score higher.
1. Nutrition in Plants SCIENCE class 7 in English Medium ncert book solutions Additional long-Answered Questions
NCERT Solutions for Class 7 Science play an important role in helping students understand the concepts of the chapter 1. Nutrition in Plants clearly. This chapter includes the topic Additional long-Answered Questions, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 7 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 1. Nutrition in Plants is explained in a structured way, making it easier for students to connect the theory with the topic Additional long-Answered Questions. By studying these updated NCERT Solutions for Class 7 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
1. Nutrition in Plants
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.
See other sub-topics of this chapter:
1. Chapter Review 2. Text-book Questions (Exercise) 3. Additional Short Answered questions 4. Additional long-Answered Questions