Toppers Study Toppers Study Toppers StudyGet complete NCERT Solutions for 7 Science 1. Nutrition in Plants with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Get complete NCERT Solutions for 7 Science 1. Nutrition in Plants with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Preparing for exams becomes easier with Additional long-Answered Questions. Whether you are studying for board exams or mid-term exams, 7 Science Chapter 1. Nutrition in Plants solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.
ncert_solutions1. 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.
Additional long-Answered Questions are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 7 Science Chapter 1. Nutrition in Plants solutions help you understand the core concepts and practice effectively.
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Our Additional long-Answered Questions are useful for both board exams and mid-term exams. For 7 Science, we provide notes, exercises, and important Q&A so that you can revise smartly and write perfect answers in exams.
In short, Additional long-Answered Questions for 7 Science Chapter 1. Nutrition in Plants are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.
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