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NEET Important Questions for Photosynthesis (Biology)

NEET

Important Questions

Biology

Photosynthesis

NEET Important Questions Photosynthesis

Students who want to pursue a career in medicine and wish to enrol in undergraduate courses such as MBBS, AYUSH, BDS, BAMS, Veterinary, or others must qualify the nationwide medical entrance test - NEET (National Eligibility Cum Entrance Test). A tentative total of 66,000 seats for MBBS and BDS are opened every year. National Testing Agency (NTA), which was established in the year 2017, is the governing body behind the conducting of NEET.

Candidates who have chosen to appear for the NEET exam require good practice sessions so as to do well in the same. It is advised to the students to be more sincere towards their syllabus of NEET and keep on leading ahead with stricter timetables. Also, it is advisable to go a bit out of track with respect to different publishers, sample papers, and study material and apply for mock tests, all of which are available at Vedantu.

In order to score well in NEET, it is considered a must factor for applicants to be thorough with questions which have been asked too many times in previous years. Secondly, all the possible coming questions with higher marking schemes should be opted by the students sincerely as well. Important questions which are present for the chapter Photosynthesis must be practised well, as it lies in the list of important chapters.

Talking about online educational applications which provide students with the best study material for their upcoming exams, Vedantu tops them all. As it provides a wider range of questions for the applicants to study from and worksheets and sample papers, Vedantu is not only a favourite of the students but also of the parents because of its smooth online programs.

Referring to the given study materials by Vedantu will act as a major leverage to the candidate. Studying vigorously while going through the pattern and weightage, and following a strict timetable, students can do well in NEET.

NEET Biology Important Questions - Chapter Pages

NEET Biology Chapter-wise Important Questions
The Living World	Locomotion and Movement
Biological Classification	Chemical Control and Coordination
Plant Kingdom	Reproduction in Organisms
Animal Kingdom	Sexual Reproduction in Flowering Plants
Morphology of Flowering Plants	Molecular Basis of inheritance
Anatomy of Flowering Plants	Evolutions
Structural Organisation in Animals	Human Health and Diseases
Cell The Unit of Life	Strategies For Enhancement in Food Resources
Cell Cycle and Cell Divisions	Microbes in Human Welfare
Transport in Plants	Biotechnology Principles and Process
Mineral Nutrition	Biotechnology & It's Application
Photosynthesis	Organisms and Population
Respiration	Ecosystem
Plant Growth and Development	Biodiversity and Conservation
Digestion and Absorption	Environmental Issues
Breathing and Exchange of Gas	Human Reproduction
Body Fluid and Circulation	Principle of Inheritance and Variation
Excretory Systems	Reproductive Health

Important Topics to be Covered for the Photosynthesis Chapter

Photosynthesis is a Class 11th chapter which is also included in the syllabus of NEET. Some of the major and important topics which are covered in this particular chapter include light reaction, photorespiration, pigments in photosynthesis, water transport, plant growth, and development. In order to do this chapter, all these topics have to be covered.

NEET Exam: Highlights

Here are the basic things about the NEET 2025 exam that every NEET candidate must be aware of.

Particulars	Details
Name	NEET (National Eligibility Entrance Test)
Conducting Body	NTA (National Testing Agency)
NEET Exam Frequency	Once every year
Age Limit	Minimum 17 years as of December 31, 2025. No upper age limit.
Exam Duration	3 hours and 20 minutes
Total Number of Questions	200
Total Marks of the Exam	720
Total Number of Sections	2 sections (Section A and Section B)
Marking Scheme	+4 for every correct answer, -1 for every incorrect answer, and 0 for unattempted questions.
Question Type	MCQs (Multiple Choice Questions)
Mode of Examination	Offline (Pen and Paper-Based)
Language (Medium of Test)	English, Hindi, Marathi, Odia, Punjabi, Tamil, Telugu, Assamese, Bengali, Gujarati, Kannada, Malayalam, and Urdu.

Syllabus for NEET

NEET (UG)'s syllabus includes three of the major subjects, which include:

Chemistry
Biology
Physics

In the segment below, there is a detailed syllabus study with respect to these three subjects mentioned above. One thing to keep in mind by the students appearing for NEET is that the syllabus for the same will only revolve around the Class 11th and Class 12th curriculum, and according to which they will have to prepare themselves with their strong and weak points.

Biology Syllabus for NEET

Check out the NEET syllabus for Biology Class 11 and Class 12 in the following table.

Class 11th Biology	Class 12th Biology
Diversity in Living World	Reproduction
Structural Organisation in Animals and Plant	Genetics and Evolution
Locomotion & movement Neural control & coordination	Biology and Human Welfare
Plant Physiology	Biotechnology and its Applications
Animal Kingdom	Body, fluids, and circulation
Human Physiology	Ecology and Environment
Digestion & Absorption	Biotechnology principles & processes
Structural organisation of animals	Reproductive health
Breathing & Exchange of gases	Human health & disease
Excretory products & their elimination	Evolution
Chemical coordination & integration	-
Biomolecules	-

Important Chapters of NEET Biology - Weightage and Number of Questions

Chapter Name	No. of Questions	Weightage
Living World	2	4.0%
Biological Classification	1	2.0%
Reproduction in Organisms	5	18.0%
Plant Kingdom	2	4.0%
Sexual Reproduction in Flowering Plants	2	4.0%
Morphology of Flowering Plants	4	7.0%
Anatomy of Flowering Plants	1	2.0%
Principles of Inheritance and Variation	3	6.0%
Molecular Basis of Inheritance	3	6.0%
Cell - The Unit of Life	2	4.0%
Strategies for Enhancement in Food Production	2	4.0%
Cell Cycle and Cell Division	4	7.0%
Organisms and Populations	1	2.0%
Ecosystem	10	16.0%
Microbes in Human Welfare	1	2.0%
Biodiversity and Conservation	1	2.0%
Environmental Issues	1	2.0%
Transport in Plants	1	2.0%
Mineral Nutrition	1	2.0%
Photosynthesis in Higher Plants	1	2.0%
Respiration in Plants	1	2.0%
Plant Growth and Development	1	2.0%
Animal Kingdom	3	10.0%
Structural Organisation in Animals	1	2.0%
Digestion and Absorption	2	3.0%
Breathing and Exchange of Gases	2	3.0%
Human Reproduction	1	2.0%
Reproductive Health	1	2.0%
Human Health and Disease	1	2.0%
Evolution	3	6.0%
Excretory Products and their Elimination	2	3.0%
Biomolecules	2	4.0%
Locomotion and Movement	2	3.0%
Neural Control and Coordination	2	3.0%
Chemical Coordination and Integration	2	3.0%
Body Fluids and Circulation	2	3.0%
Biotechnology - Principles and Process	1	2.0%
Biotechnology & Its Application	1	2.0%

NEET Exam Pattern and Marks Distribution

Have a look at the below table to get an insight into the NEET exam pattern and marks allotted per subject.

Section	No. of Question	NEET Marks Distribution
Botany	Section A: 35 Questions Section B: 15 Questions (Only 10 have to be attempted)	Section A: 140 Section B: 40 Total: 180
Zoology	Section A: 35 Questions Section B: 15 Questions (Only 10 have to be attempted)	Section A: 140 Section B: 40 Total: 180
Chemistry	Section A: 35 Questions Section B: 15 Questions (Only 10 have to be attempted)	Section A: 140 Section B: 40 Total: 180
Physics	Section A: 35 Questions Section B: 15 Questions (Only 10 have to be attempted)	Section A: 140 Section B: 40 Total: 180
Total	Total Number of Questions: 180	Total Marks: 720

Things to Know About the National Eligibility Cum Entrance Test

Before appearing for the National Eligibility cum Entrance Test, there are some basic points which NEET 2025 aspirants should be aware of. Given below are some key points:

NEET is conducted within a time span of 3 hours and 20 minutes.
Students can appear for NEET in Assamese, Bengali, Gujarati, English, Oriya, Marathi, Kannada, Urdu, Telugu and Tamil.
The streams which are wide open for the students after applying for NEET include MBBS, BDS, BAMS, BHMS, BNYS, and BSMS.
The National Testing Agency is the body that conducts this examination.

Eligibility Criteria for NEET

Given below are the eligibility criteria for NEET.

Candidates must have surpassed their 10+2 or equivalent with a recognised board.
Students should have cleared their class 12th with core subjects including Biology/Biotechnology, Chemistry, Physics, and English as their core subjects.
17 years is the minimum age and there is no maximum age for the application of NEET.
One should have passed grade 12 with a minimum of 50%. For the SC/ST/OBC categories, that given minimum percentage is 45%.

Quick Links for NEET

Why Vedantu?

Vedantu is considered one of the most trusted and leading online educational platforms because of its wide variety of study material, content-wise, and fun way of learning. Getting benefited by Vedantu through its worksheets and sample papers will only do good. The important questions for NEET designed by Vedantu are one of the most reliable study materials as they cover all the important chapters which are in the syllabus. Also, these important questions are prepared by analysing the previous years' question papers and considering the weightage of each chapter in the syllabus.

Hence, students are recommended to download all the important questions from the chapter Photosynthesis by visiting the Vedantu website or by downloading its application.

FAQs on NEET Important Questions for Photosynthesis (Biology)

1. What are accessory pigments? State their importance in photosynthesis.

Chlorophyll-b, xanthophyll, anthocyanins and carotenoids are together known as accessory pigments of photosynthetic pigments. Also known as light-absorbing compounds, it is naturally present in photosynthetic organisms. Their main job includes absorption of light waves in its broader spectrum. Another term associated with accessory pigments is pigment bed, which refers to the associated groups of chlorophylls and remaining accessory pigments.

2. Does moonlight encourage photosynthesis?

Due to the inadequate energy in the atmosphere in order to excite chlorophyll molecules, plants are not able to go through the process of photosynthesis at night time or say midnight. The light energy which is getting reflected from the moon is 100-1000 times too little for the requirement for plants in order to perform photosynthesis. Though in the time of the full moon, moonlight from the same can tentatively support photosynthesis in certain algae and planktons.

3. Describe the relationship between photosynthesis and respiration.

Photosynthesis uses the energy which is obtained from sunlight, carbon dioxide and water in order to produce oxygen and glucose. Whereas respiration, basically cellular respiration, uses complete oxygen and glucose to form water and carbon dioxide both. On the other hand, the whole process of photosynthesis occurs in chloroplasts of plants, whereas respiration takes place in mitochondria over humans. Photosynthesis is an endothermic reaction, while respiration is an exergonic reaction.

4. Why does the rate of photosynthesis decrease at higher temperatures?

Photosynthesis is a chemical reaction. It is a process that works specifically on enzymes. Talking about enzymes, all of the enzymes only react at the most favourable temperature which is 25°C to 35°C. So by the normal understanding, if the temperature is increased by any means, the enzyme will get contaminated. Above the temperature of 40°C, the rate of photosynthesis slows down rapidly.

5. Why does the colour of leaves change in the dark?

Photosynthesis is an important process for the leaves and even plants to be healthy and alive. For the same, they require light. If it is kept in a place all dark with no sunlight at all, the colour of the leaf will automatically be changed to pale or a much lighter shade of green. Possibilities are there for it to change to yellow as well. The reason for this is the obstruction between the production of chlorophyll which is an essential component in the whole process of photosynthesis is disturbed and blocked. Without the presence of light, chlorophyll molecules break down slowly and as a result, the colour of the leaf changes.