BSEB 12th Biology Most VVI Guess Short Type Question with Answer Inter Biology Important Subjective Type Question

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Class 12th Board Exam Biology Most VVI Short Type VVI Guess Question for Board Exam | 12th Board Exam Biology Question Short & Long Type Question With Answer, 12th Board Exam Biology Short Long Type VVI Guess Question Inter Biology top 20 Short Question

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Short + Long Question (लघु और दीर्घ उत्तरीय प्रशन)

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1. Describe the functions of blood.

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2. D.N.A. Explain the use of auditors (probes) in biotechnology.

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3. What is gradual development?

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4. Write the pathogens, causes of infection, symptoms and treatments for malaria.

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5. Discuss two symptoms of AIDS.

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6. Give the definition of congenital disease.

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7. Explain two uses of biotechnology in the field of medicine. 

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8. Describe the benefits of transgenic animals (parasitic animals).

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9. What is water botanical state?

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10. What is Biodiversity? Why has it become so important recently?

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11. What do you know about Bhopal gas tragedy? 

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12. Explain the difference between single hybridization and bifurcation.

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13. Describe the side effects of alcohol / alcohol.

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14. Write the names of any four antibacterial bacteria.

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15. Describe the symptoms and control of cholera.

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16. What are the reasons for spreading AIDS?

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17. Write a brief commentary on the Green Revolution.

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18. What do you understand by poultry farming?

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19. What is water botanical state?

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20. The carbon-cycle is a biogeochemical phenomenon in nature. Discuss

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21. How is biodiversity useful for modern agriculture?

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22. Describe the two benefits of using organic manure.

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23. Who is the safe zone of India?

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24. Write examples about multiple choice.

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👉 ANSWER :- उत्तर 👈

ऊपर सभी प्रशन का उत्तर अगर Hindi में चाहिए तो क्लिक करे- CLICK HERE

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1. Describe the functions of blood.

Answer ⇒ Blood is a liquid connective tissue whose pH value is 7.4 alkaline. An adult human has an average of 5 to 6 liters of blood.

Blood Functions:

(i) It maintains body temperature.

(ii) Fibrinogen is found in the blood, which helps in forming a blood clot when an external part of the body is cut, which stops the flow of blood.

(iii) The RBC found in the blood acts to transfer O2 and CO2 in the blood.

(iv) WBC found in blood protects the body from infection of diseases.

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2. D.N.A. Explain the use of auditors (probes) in biotechnology.

Answer ⇒ In biotechnology, the DNA probe is used for the following tasks – (i) Bt cotton, (ii) Tobacco, (iii) Flavor-sawed tomatoes, (iv) Golden rice.

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3. What is gradual development?

Answer ⇒ Gradual evolution is the subtle change in the gene pool of a population / population that reaches from generation to generation and generates a new population that is genetically different from the preceding population. Example – development of a horse.

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4. Write the pathogens, causes of infection, symptoms and treatments for malaria.

Answer ⇒ Malaria – Malaria is a common disease in temperate and temperate continents such as Africa and Asia.

Pathogens – Four species of Plasmodium parasites produce four different types of malaria disease

(A) Plasmodium vivax – benine tarsian malaria

(B) Plasmodium ovale – mild tarsian malaria

(C) Plasmodium malarie – Quartan Malaria

(D) Plasmodium falciparum – Cerebral Malaria

Causes of infection- Sporozhytus enters human blood after the female anopheles bite a healthy human and divides into liver and red blood particles, then reaches the stomach of other female anopheles and completes life cycle by division there. Their incubation period is 12 days.

Symptoms- Severe fever (104 ° -106 ° F) with cold and physical tremor at intervals of 6-10 hours, accompanied by headache, body pain, vomiting, etc., rapid breathing and rapid heart rate. Then there is fever with excessive sweating, visible symptoms of anemia due to breakdown of excessive red blood particles, increase in size of liver and spleen and recurrent fever due to breakdown of hemoglobin in a poisonous salt called hemozoin.

Treatment- quinine medicines such as chloroquine, palanquin, mefloquine desochin etc.

Prevention and prevention measures – Preventing mosquitoes from entering the house, using mustard oil or mosquito repellent in open parts of the body, using mosquito nets at bedtime, kerosene oil in water logged areas, DDT. And spraying of other pesticide chemicals, effective use of the engineering aquatic bacteria Acticaculis x centicus in the eradication of mosquitoes, and effectively following the malaria eradication program.

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5. Discuss two symptoms of AIDS.

Answer ⇒ Two symptoms of AIDS – one or more of the following symptoms appear in the afflicted person.

(i) One type of lung disease occurs.

(ii) Skin cancer occurs.

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6. Give the definition of congenital disease.

Answer ⇒ A disease that occurs from birth itself is called congenital disease. Such as blindness, deafness etc.

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7. Explain two uses of biotechnology in the field of medicine.

Answer ⇒ Following are two uses of biotechnology in the field of medicine (medicine)

(a) In the manufacture of antibiotics.

(b) In the manufacture of vaccine.

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8. Describe the benefits of transgenic animals (parasitic animals).

Answer ⇒ The benefits of transgenic animals are as follows- (i) They can produce more milk, meat, eggs. (ii) Organisms produced in this way have high resistance to disease. (iii) Organisms derived from them are more functional. (iv) These animals are the pillars of strengthening the economic structure.

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9. What is water botanical state?

Answer ⇒ The birth of algae inside the water is called hydrological stage. They make their food with sunlight. These are food items of aquatic organisms.

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10. What is Biodiversity? Why has it become so important recently?

Answer ⇒ Biodiversity is the collection of all the fauna, castes and ecosystems of a particular region. It has three levels

(i) gene level, (ii) caste level and (iii) community or ecosystem level.

The following are the reasons for its importance recently –

(i) We are losing it without knowing the biological diversity.

(ii) Depletion of biodiversity will prevent the ability of organisms to develop, which is necessary to cope with environmental changes.

(iii) Biodiversity provides food and new crops to humans. (iv) It gives us many towers and substitute sources of petroleum.

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11. What do you know about Bhopal gas tragedy?

Answer ⇒ On December 3, 1984, more than two thousand people died overnight due to leakage of toxic gas in methyl isocyanate-related insecticide company Union Carbide. Thousands fell victim to incurable diseases and hundreds of people lost their eyes. This major tragedy which took place in Bhopal is known as Bhopal Gas Tragedy.

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12. Explain the difference between single hybridization and bifurcation.

Answer ⇒ A hybrid cross – when hybridized between two plants on the basis of a unit characteristic, it is called a hybrid cross.

Bivalent Cross – When hybridized between two opposite plants on the basis of different characteristics, it is called bivalent cross.

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13. Describe the side effects of alcohol / alcohol

Answer ⇒ Alcohol / alcohol side effects – excessive intake of alcohol has some significant harmful effects as follows:

(i) Relatively decreasing performance.

(ii) Mental disorder.

(iii) Liver failure.

(iv) Greatly increased blood pressure.

(v) To develop cardiovascular disease.

(vi) Loss of consciousness and breathing.

(vii) Sudden cardiac arrest.

(viii) cancerous diseases, etc.

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14. Write the names of any four antibacterial bacteria.

Answer ⇒ The four bacterial antibiotics are named as (i) cephalosporin, (ii) polymyxin in polyporic, (iii) thyroxycin, (iv) subtilin bacteria. These four bacteria are included in birth antibiotics. Streptococcus bacteria are involved in the production of the streptokinase enzyme. Cyclosporine-A is produced from a fungus called Trichoderma polyposporum, statins are produced from the monococcus perfuarius name yeast or fungus.

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15. Describe the symptoms and control of cholera.

Answer ⇒ Symptoms- This causes the patient to have frequent bowel movements. The color of the stool is white like rice mars. It also contains fat.

Control – Stool and fat should be cleaned immediately and pressed under the soil. Personal cleanliness should be taken care of. Water should be boiled and drunk.

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16. What are the reasons for spreading AIDS?

Answer ⇒ The following are the reasons for spreading AIDS:

(i) By sex with the affected person.

(ii) by the injection needle used in the infected person.

(iii) By using blood of a person infected with AIDS in a blood transfusion in a healthy person.

(iv) Infected fetus with infected pregnant woman.

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17. Write a brief commentary on the Green Revolution.

Answer ⇒ The efforts made in the field of agriculture to increase the food product and the resultant increase in the product are called Green Revolution. This revolution started in India in 1960. The following factors contribute significantly to the Green Revolution

(i) To have suitable arrangements for irrigation.

(ii) Use of scientific method and approach in the field of agriculture.

iii) Use of good and high quality fertilizers.

(iv) To protect crops from damage and damage.

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18. What do you understand by poultry farming?

Answer ⇒ The management of chickens and elements, pheasant, etc., in the rooster, its breeding, breeding, and successful management of its products such as meat and eggs is called poultry management. For its success, keeping the number of chickens according to the area of ​​the form, using vaccines to protect the chickens from diseases, arranging for protection from snakes, cats and dogs, arranging for protection from cold-heat and availability of nutritious food Necessary.

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19. What is water botanical state?

Answer ⇒ The birth of algae inside the water is called hydrological stage. They make their food with sunlight. These are food items of aquatic organisms.

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20. Carbon-cycle is a biogeochemical phenomenon in nature. Discuss

Answer ⇒ Carbon is an important nutrient found in the biosphere in the form of gas, liquid or solid. Humans and animals take oxygen from the atmosphere by respiration and release carbon dioxide which is added to the atmosphere. Green plants make carbohydrates by consuming carbon dioxide as a food item. This carbohydrate decomposes to form CO, and is added to the atmosphere. Dead plants and animals also decompose into Co, and the burning of coal, petrol, gas, etc. also emits Co.

This Co is found in the atmosphere and is again taken into food production by green plants. Thus, carbon dioxide is the biogeochemical cycle whereby carbon remains in the atmosphere and the carbon cycle is completed.

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21. How is biodiversity useful for modern agriculture?

Answer ⇒ Biodiversity is useful in three ways (i) as source from new crops, (ii) as material for breeding improved varieties and (iii) as source of new bio degradable pests

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22. Describe the two benefits of using organic manure.

Answer ⇒ The two benefits of using organic manure are as follows (i) It helps in maintaining soil quality. (ii) It is natural and harmless.

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23. Who is the safe zone of India?

Answer ⇒ Safe area in India The area of ​​land or sea which is dedicated to providing and maintaining bio-diversity and protection to natural and related cultural resources is called safe zone. There are currently 581 protected areas in India, including 89 National Parks and 492 Wildlife Sanctuaries.

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24. Write examples about multiple choice.

Answer ⇒ The inheritance of a symptom is controlled by more than two genes / alleles, the condition is called multiple choice. Such as heredity of the ABO blood group in humans.

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