NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions.
About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus.
Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced.
II. At low doses, radiations causes …B…
Complete the given statement by choosing appropriate option for A and B
Radiations from nuclear wastes cause mutations at a very high rate. At high doses, nuclear radiations are lethal. At low doses, radiations cause disorders and cancer.
Pollutant is any substance, chemical or factor, which has a potential to harmfully affect the human being, plants and other animals and therefore, the homeostasis of environment.
A-California; B-Humboldt State University
Q4. Which one of the following is a correct option with reference to pathogenic bacteria and DDT?
Bacteria is a prokaryotic organism and biodegradable while DDT is a non-biodegradable pollutant and undergo biological magnification.
It acts as disinfectant
Electrostatic precipitator is used to remove particulate matter present in the exhaust of thermal power point. They are very efficient devices which remove 99% of particulates of 5-20 m size present in the industrial and thermal plant exhausts
I. In 1998, Ahmed Khan developed polyblend, a fine powder of recycled modified plastic
II. Polyblend has been mixed with bitumen to lay roads in Bengaluru
III. Polyblend enhances bitumen’s water repellant properties and helps to increase the life of road
Which of the statements given above are correct?
In 1998, Ahmed Khan aged 57 years old, developed polyblend a fine powder of recycled modified plastic in collaboration with RV College of Engineering and the Bengaluru city corporation. Ahmed Khan proved that blends of polyblend and bitumen, when used to lay roads, enhanced the bitumen’s water repellant properties and helped to increase the life of road
Photochemical smog or oxidizing type of pollution is characterized by the presence of large concentration of ozone, oxides of nitrogen and various hydrocarbons. It occurs in Los Angeles.
Since, large populations of Escherichia coli are found in human colon, the presence of E. coli in water indicates that, it has been contaminated with faecal matter. Thus, E. coli is commonly known as indicator of water pollution.
Biochemical Oxygen Demand (BOD) is a measure of pollution by organic matter present in a sample of water BOD is higher in polluted sewage water and is connected with both microbes and organic matter. More the organic pollution, specially sewage, more would be the BOD of water
