Here we have a given Class 12 Biology Important Questions for Maharashtra Board HSC Examination 2023. Every students want to score good marks in Class 12 Board Exam,but number of students don't know how to score good marks. Dear students, given following questions had been asked in earlier HSC Board Examinations. From this post, you will know which type of questions had been asked in earlier Board Exams and same questions or same type of questions will be asked in your upcoming examination. If you study all these questions, you will get very good marks in your board examinations, Because so many questions from the following given questions will be asked in your upcoming examination.Therefore go through our Class 12 Biology Important Questions which are given in chapter-wise manner and simply try to solve these questions to score very good marks in Biology and obviously, you will! Best wishes to all dear students for your upcoming Maharashtra State Board Exam 2023.

यहां हमारे पास महाराष्ट्र बोर्ड HSC परीक्षा 2023 के लिए कक्षा 12वीं के Biology के महत्वपूर्ण प्रश्न दिए गए हैं। प्रत्येक छात्र कक्षा 12वीं की बोर्ड परीक्षा में अच्छे अंक प्राप्त करना चाहते हैं, लेकिन कई छात्र यह नहीं जानते कि अच्छे अंक कैसे प्राप्त करें। प्रिय छात्रों, नीचे दिए गए प्रश्न पिछले एचएससी बोर्ड परीक्षाओं में पूछे गए थे। इस पोस्ट से आप जानेंगे कि पिछली बोर्ड परीक्षाओं में किस प्रकार के प्रश्न पूछे गए थे और आपकी आगामी परीक्षा में भी इसी प्रकार के प्रश्न पूछे जाएंगे। यदि आप इन सभी प्रश्नों का अध्ययन करते हैं, तो आप अपनी बोर्ड परीक्षाओं में बहुत अच्छे अंक प्राप्त करेंगे, क्योंकि निम्नलिखित दिए गए प्रश्नों में से बहुत सारे प्रश्न आपकी आगामी परीक्षा में पूछे जाएंगे। इसलिए हमारे कक्षा 12 के Biology के महत्वपूर्ण प्रश्नों को देखें जो अध्याय में दिए गए हैं | Biology में बहुत अच्छे अंक प्राप्त करने के लिए इन प्रश्नों को बुद्धिमान तरीके से हल करने का प्रयास करें और जाहिर है, आप करेंगे! सभी प्रिय छात्रों को आपकी आगामी महाराष्ट्र राज्य बोर्ड परीक्षा 2023 के लिए शुभकामनाएं।

Class 12 Biology Important Questions | Chapter 8 Respiration And Circulation

• Describe hypertension. Add a note on angina pectoris. (March 2013)

• With the help of neat and labelled diagram, describe the internal structure of human heart. (March 2014)

• Sketch and label T.S. of human artery. (Oct 2014)

• Mention the role of pacemaker in human heart. (Oct 2014)

• In the electrocardiogram shown below, which wave represents ventricular diastole. (March 2015)

Also read : Class 12 Chemistry Important Questions

• Sketch and label ventral view of human heart. (March 2015)

• Sketch and label T.S. of vein. (March 2016)

• Write a note on erythrocytes. (March 2017)

• Describe agranulocytes with the help of diagrams. (March 2018)

• Give the significance of respiration. (March 2018)

• Name the valve between left atrium and left ventricle and give its significance. (March 2018)

• Explain with help of a suitable diagram conducting system of human heart. (July 2017, 2018, March 2019)

• Give reasons:

(A) Lymphatic vessels are milky in appearance.

(B) Monocytes are called scavengers.

(C) The wall of left ventricle is thicker than right ventricle. 

(D) Valves are present in the veins.

(E) Pulmonary veins carry oxygenated blood. (March 2019)

• Give the location of following valves within human heart:

i. Eustachian valve

ii. Thebesian valve

iii. Bicuspid valve

iv. Tricuspid valve (July 2019)

• Sketch the internal structure of human heart. Label all the valves present in it. Mention the function of any one valve in the heart. (March 2020)

• State the significance of respiration. (March 2020)

• In electrocardiogram, QRS complex stands for: (March 2020)

• Classify the following composition of blood plasma given below as per column 'A' and complete column 'B'. Select from the given options:

i) Serum albumins

ii) Bicarbonates

iii) Urea

iv) Sulphates of sodium

v) Fibrinogen

vi) Uric acid (March 2020)

Also read : Class 12 Physics Important Questions

👉 Students are suggested to go through our Class 12 Biology Important Questions to score more in your upcoming 2023 Board Examination. 👇👇

Class 12 Biology Important Questions Chapter-wise

 Click on the following links to get Class 12 Biology Important Questions.👇👇 

• Chapter 1- Reproduction In Lower And Higher Plants

• Chapter 2 - Reproduction In Lower And Higher Animals

• Chapter 3 - Inheritance And Variation

• Chapter 4 - Molecular Basis Of Inheritance

• Chapter 5 - Origin And Evolution Of Life

• Chapter 8 - Respiration And Circulation

• Chapter 9 - Control And Co-ordination

• Chapter 10 - Human Health And Diseases

• Chapter 11 - Enhancement Of Food Production

• Chapter 12 - Biotechnology

• Chapter 13 - Organisms And Population

• Chapter 14 - Ecosystem And Energy Flow

• Chapter 15 - Biodiversity, Conservation And Environmental Issues