NCERT Solutions For Class 11 Biology Chapter 13

NCERT Solutions For Class 11 Biology Chapter 13 PDF Free Download

NCERT Solutions for Class 11 Biology chapter 13 photosynthesis in higher plants are framed by the team of subject experts at BYJU”S. This solution has comprehensive answers to textbook questions, important questions, exemplary problems, MCQ and short answer questions. Together with the answers, this solution provides HOTS and worksheets which help you understand the topic thoroughly and to prepare photosynthesis in higher plants class 11 ncert notes.

NCERT Solutions for Class 11 Biology chapter 13 are formulated as per the latest CBSE syllabus 2018-19 they ensure that the students understand the concept with ease.NCERT solutions act as a crucial tool for students during exams as they impart information effectively and efficiently. Students don’t have to feel overwhelmed by the content as it is prepared by keeping in mind the cognitive capacity of their target audience. This means the Class 11 students can understand the contents easily, jargons are explained in a simple language and diagrams are rendered in a way that students can easily recreate them.

Class 11 Biology NCERT Solutions for Photosynthesis in Higher Plants

Photosynthesis is a process where the organism uses light energy and other required components (such as carbon dioxide) to create food. Organisms that use photosynthesis are termed as autotrophs, meaning “self-nourishing”. This process was started billions of years ago when the earth had just microscopic organisms that were similar to today’s blue-green bacteria or cyanobacteria. Back then, the earth didn’t have any oxygen and it was these organisms that kick-started the rise of oxygen levels in the atmosphere. Eventually, photosynthesis was adopted by more complex organisms over the course of time.

Subtopics of chapter 13 photosynthesis are:

  1. Do Plants Breathe?
  2. Glycolysis
  3. Fermentation
  4. Aerobic Respiration
    1. Tricarboxylic Acid Cycle
    2. Electron Transport System (ETS) and Oxidative Phosphorylation
  5. The Respiratory Balance Sheet
  6. Amphibolic Pathway
  7. Respiratory Quotient.

Explain Photosynthesis?

The process where organisms produce their own food with the aid of light energy is called Photosynthesis. Most plants and some microorganisms use this process to produce their own food. They are usually the primary producers on the food chain. This process is very vital for the survival of everything on planet earth. A testament to this can be seen in the fossils roughly 65 million years ago. The dinosaurs were wiped out due to an asteroid that impacted the earth and sent a huge amount of dust and other materials that blocked out the sunlight for millennia.
Without sunlight, the plants began to die out and it was followed by the animals that fed on these plants. Eventually, the food web was affected and it led to mass extinction. Lack of food coupled with a drop in global temperatures (due to the large amounts of gas and dust) plunged the planet into an ice age. This ensured the extinction of dinosaurs and the rise of mammals. Therefore, photosynthesis is a very important process.


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