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NDA Science Sure Shot 300 MCQs Part 2 | Target NDA 2 2024 | Learn With Sumit

Learn with Sumit・92 minutes read

A series of 300 revision questions covering various topics in Physics, Chemistry, and Biology is aimed at enhancing practice and understanding, with a target of answering 200 questions. The session delves into concepts like cell organelles, diseases transmitted by insects, and the role of adrenaline in mammals, emphasizing relationships, anatomy, and scientific principles.

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The revision session consists of 300 questions aimed at enhancing understanding and practice in Physics, Chemistry, and Biology, with a target of answering 200 questions.
Detailed topics covered include diseases caused by bacteria and viruses, eukaryotic cell complexity, and the role of adrenaline in mammals.
The session delves into various scientific concepts such as photosynthesis, digestion, cell structures, and energy conservation, emphasizing practical applications and real-world relevance in a comprehensive manner.

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Recent questions

What topics are covered in the revision session?
Various topics like Physics, Chemistry, and Biology.
How many questions are included in the series?
A total of 300 questions are included.
What is the target number of questions to answer?
The target is to answer 200 questions.
What are some specific topics discussed in the session?
Topics include diseases, cell structures, and plant categories.
What is the importance of epithelium in defense mechanisms?
Epithelium plays a crucial role in defense mechanisms.

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Summary

00:00

"300 Questions for Comprehensive Science Revision"

A series of 300 questions is being conducted for revision, beneficial for revising concepts.
The questions cover various topics and are aimed at enhancing practice and understanding.
The target is to answer 200 questions out of the 300 in the series.
The session includes questions on Physics, Chemistry, and Biology in a continuous manner.
The questions cover a range of topics, including diseases caused by bacteria and viruses.
Concepts like the structure of leaves, bacterial infections, and bone disorders are discussed.
The session delves into topics like the vertebral column, gastric glands, and diseases transmitted by insects.
Details about cell organelles, tissues, and plant categories are explained.
The importance of epithelium in defense mechanisms and the flexibility of plant tissues are highlighted.
The session addresses technical glitches and emphasizes the complexity of eukaryotic cells compared to prokaryotic cells.

22:09

Cellular processes in living organisms explained.

Eukaryotic structures are exclusively present in mitochondria, which have a double membrane and are found in organisms like cats.
Pollen grains in angiosperms produce two male gametes, with one gamete fusing with the egg and the other degenerating.
Chlorophyll is essential for photosynthesis, requiring CO2 and water to produce oxygen as a byproduct.
Prokaryotic cells lack structures like cell walls, ribosomes, plasma membranes, and nuclei, which are present in eukaryotic cells.
Adrenaline is responsible for increasing heart rate in mammals, serving as a life-saving hormone when needed.
Digestion of fat in the human intestine is carried out by trypsin, amylase, pepsin, bile, and lipase.
Lymph, a tissue fluid present in intercellular spaces, is released by the blood plasma without blood cells.
Reverse osmosis occurs when an animal cell is surrounded by a medium with lower water concentration, causing the cell to lose water.
During seed germination, the radical grows into the root system, while the shoot system develops from the plumule.
The movement of materials in cells is primarily carried out by the endoplasmic reticulum and Golgi bodies, aiding in transportation processes.

43:13

"Science and Relationships: A Comprehensive Overview"

Relationships are emphasized over selection in the text.
Zenon study is mentioned, focusing on wanting a child.
The thyroid gland's role in producing thyroxine, which regulates metabolism, is explained.
Deficiencies like Vitamin D and Vitamin C are linked to diseases.
Classification of plant thallophyta and eukaryotic cells are discussed.
The concept of frequency and cycles is explained.
Vectors are discussed in the context of disease transmission.
Momentum conservation and velocity calculations are detailed.
Parallel combination of resistors and their calculations are explained.
Density and mass calculations for objects are detailed.
The difference between speed and velocity is clarified.
Simple pendulum and acceleration effects are discussed.
The text delves into the concept of volume and density in different environments.
Magnification calculations for concave mirrors are explained.
Force calculations in conveyor belt scenarios are detailed.
Spring extension calculations on the moon are discussed.
The concept of minimum temperature is explained.
Plane mirror images and electromagnetism are briefly discussed.
Kinetic energy calculations for disks and rings are detailed.
Comparison of moments of inertia for disk and solid sphere is explained.
Density and volume calculations for substances are detailed.
Heat transfer calculations for ice and water mixture are explained.

01:09:28

Physics and Chemistry Concepts in Action

To calculate the energy required to melt a gram, specific heat and latent heat must be considered.
The pendulum clock's period changes when gravitational acceleration and mass are altered.
The motion of a particle with non-zero initial velocity is described by an equation involving acceleration and force.
Optical phenomena are related to light being a transverse wave, showing characteristics like polarization and wavelength.
Liquid heating up to its boiling point occurs when atmospheric pressure equals vapor pressure.
Calculating average speed involves determining the distance traveled and the time taken.
A rigid body dropped from a height of 50 meters releases energy and reaches a speed of √980 m/s upon touching the ground.
The escape speed formula involves gravitational acceleration, mass, and radius or density.
A quadratic equation is solved to find the value of x in a circuit with resistors in series and parallel.
Chemistry questions are introduced after physics questions, focusing on Buckminster Fullerene's structure.

01:34:35

Chemical reactions and metal properties explained

The formula for the positive route is B plus under root base, which equals 16 - 4ac, resulting in √8.
The value of 64 and 16 is equal to √8, with 2a being represented as 2.
To find the value of √8, one must take the common factor from above and simplify.
The result of 16 x 80 is 4 √5, which simplifies to √5.
Potassium, calcium, sodium, and iron are metals that react differently with water.
Potassium is used in saponification reactions to obtain soap, with potassium leading to a hard soap and sodium salt resulting in a soft soap.
A separating funnel is used to separate immiscible liquids with different densities.
The valency of barium is discussed in relation to other metals like magnesium and calcium.
Zinc metal reacts with dilute sulfuric acid to produce hydrogen gas, while zinc metal with sodium hydroxide results in the formation of potassium metal.
The thermal decomposition of silver oxide leads to the separation of silver and oxygen.

01:59:50

Understanding Acidity and pH Levels

The pH value given is four, indicating acidity.
The pH scale ranges from 1 to 14, with lower values signifying stronger acids.
The lower the pH, the higher the acidity level.
Acids donate protons and accept electrons.
Neera scored 60 marks in chemistry.
Acid turns blue litmus red, while bases turn red litmus blue.
Human blood has an average pH of 7.4.
Not all bases are alkalis, but all alkalis are bases.
Baking soda's chemical formula is sodium bicarbonate (NaHCO3).
The escape velocity of the Moon is 2.38 kilometers per second.

02:21:59

Energy Conservation and Conversion in Physics

Energy conservation involves potential and kinetic energy, which will always remain constant.
The unit of energy is joule, not Newton meter or kilowatt.
Frictional force is responsible for energy changes, leading to the conversion of kinetic energy into heat energy.
Power can be converted into kilowatts by dividing the energy by time, such as 6000 joules in a minute.
Mechanical energy is converted into electricity by an alternator in a generator.
The formula for kinetic energy is p s/2m, with a value of 2500 joules.
Work is done when there is displacement, as in the case of a moving railway engine.
Potential energy is at its maximum at the highest point of an object's motion.
Simple Harmonic Motion (SHM) involves acceleration proportional to distance and directed towards the mean position.
The refractive index of an optical medium depends on the nature of the medium, not the angle of incidence.

02:44:09

Physics Class: Charge, Force, Momentum, Periscope, Success

The potential at a point is doubled if the charge is doubled and the distance remains the same.
The gravitational force and momentum are discussed in the GT full course class, which will not run for 11 hours a day.
The last two questions of the class involve the use of a periscope and the balance force resulting in zero.
The session concludes with a reminder of upcoming classes and a call for feedback, emphasizing the importance of hard work and seeking blessings for success.

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