Class 7 Science - TELANGANA
Life Processes in Plants
The chapter 'Life Processes in Plants' in Class 7 Science explores how plants live, grow, and survive. Students learn about essential biological processes such as nutrition, transportation of water and minerals, respiration, and reproduction in plants. Understanding these concepts is vital because plants are primary producers that sustain life on Earth. For Telangana (TSBSE) board exams, this chapter is crucial for scoring high marks as it forms the foundation for advanced biological sciences in higher classes. Students will be tested on both theoretical definitions and practical plant functions.
Start Learning FreeKey Concepts
Photosynthesis
The process by which green plants prepare their own food using carbon dioxide and water in the presence of sunlight and chlorophyll.
Transportation in Plants
The movement of water and minerals absorbed by roots to the rest of the plant through tissue called xylem, and food through phloem.
Respiration in Plants
The process of releasing energy from food, where plants take in oxygen and release carbon dioxide through tiny pores called stomata.
Transpiration
The loss of excess water in the form of water vapor from the aerial parts of the plant, mainly through the stomata.
Reproduction in Plants
The process by which plants produce new individuals, occurring through sexual methods using flowers or asexual methods like budding and fragmentation.
Important Formulas
Board Exam Info
Under the Telangana (TSBSE) curriculum, this chapter typically carries around 6 to 8 marks in the final science examination. Common question types include short answers explaining plant processes, labeling diagrams of stomata or flower parts, and difference-based questions like xylem versus phloem.
Frequently Asked Questions
What is the role of stomata in plants?
Stomata are tiny pores on leaves that help in the exchange of gases (oxygen and carbon dioxide) and also release excess water through transpiration.
How do plants transport water from roots to leaves?
Plants use specialized tube-like tissues called xylem to transport water and dissolved minerals upward from the roots to all parts of the plant.
Do plants respire only at night?
No, plants respire 24 hours a day. They take in oxygen and give out carbon dioxide continuously, but photosynthesis only happens during the day in the presence of sunlight.
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