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2022-01-03 14:52:00 To know more details or to register for Vijay Batch click on the link below.

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2022-01-02 16:52:47 Chemistry In Everyday life -

Histamine,stimulates the secretion of pepsin.
Histamine is a potent vasodilator . lt contracts the smooth muscles in the bronchi.
Synthetic drugs brompheniramina ( Dimetapp) & terfenadine ( Seldane), act as antihistamines.
Antiallergic & antacid drugs work on different receptors.
Tranquilizer & analgesics are neurologically active drugs.
Noradrenaline plays a role in mood changes.
Chlordiazepoxide & meprobamate,are sutable for relieving tension.
Equanil is used in controlling depression & hypertension.
Barbiturates are hypnotic.
Analgesics reduce or abolish pain.
Aspirin & paracetamol are non - narcotic analgesics.
Aspirin inhibits the synthesis of prostaglandins. It use in prevention of heart attacks
Morphine is a narcotic analgesics.
The first effective anti bacterial agent prontosil.
Antibiotics have either cidal effect or a static effect on microbes.
Penicillin G has a narrow spectrum of. Ampicillin & Amoxicillin are synthetic modifications of penicillins.
In India, penicillin is manufactured at the Hindustan Antibiotics in Pimpri & in private sector industry.
Chloramphenicol, Vancomycin. & Ofloxacin are a broad spectrum antibiotics.
Antiseptics ( either kill or prevent the growth of microorganisms).
Dettol is a mixture of chloroxylenol & terpineol.
Iodine is a powerful antiseptic.
0.2% solution of phenol is an antiseptic while it's 1% solution is disinfectant.
Norethindrone is an synthetic progesterone derivative drug.
The estrogen derivative drug is ethynylestradiol.
Aspartame is the most successful artificial sweeteners.
Alitame is high potency sweeteners, although it is more stable than aspartame.
Sucralose is trichloro derivative of sucrose.It does not provide calories.
The two most familiar antioxidants are butylated hydroxy toluene (BHT) & butylated hydroxy anisole(BHA). Open / Comment

2022-01-02 15:38:24 To know more details or to register for Vijay Batch click on the link below.

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2022-01-02 15:25:22 https://t.me/+UO633ZFRKaJjYmVl


NV sir Byjus complete lecturers free Open / Comment

2022-01-01 19:32:57 Terminologies in Progressive Wave Motion

Amplitude
Period
Wavelength
Frequency
Wave velocity
Phase or phase angle (O)
Phase difference
Path difference
Time difference


Amplitude (A): The amplitude of a wave is the maximum displacement of any particle of the medium from its equilibrium position.

Period (T): Period (T) of a wave is the time taken by any particle of the medium to complete one vibration during a period (T).

Wavelength (λ): Wavelength (λ) is equal to the distance between two consecutive particles of the medium which are in the same state of vibration it is equal to the distance travelled by the wave by its time period (T).

Frequency (f): It is the number of vibrations made per second by any particles of the medium (f = 1/T). Since the frequency of a wave is a characteristic property of the source which is producing the wave motion, hence, the frequency of a wave does not change when a wave travels from one medium to another medium.

Phase or Phase Angle (Φ): It represents the state of vibration of the particle of a medium with respect to its mean position.

Phase Difference Δ(Φ): It represents the different state of vibration of a particle at two different instants (or) any pair of particles at the same instant. ΔΦ = Φ2 – Φ1.

Wave Velocity (v): It is the distance travelled by the wave in one second (v = λ/T). It is determined by the mechanical properties of the medium through which the wave propagates. The velocity of wave motion is measured with respect to the medium, the wave velocity changes when the medium is in motion i.e. speed of sound through air changes when the wind is blowing.

⇒ Check: Sound Waves

There are two velocities associated with a wave. One is the wave velocity and the other one is particle velocity (which is the speed with which the particle of the medium vibrate when the wave passes through the medium).

Path Difference (Δx) or (x): It indicates the distance between two points measured along the direction of propagation of the wave through the medium.

Time Difference (ΔT): It indicates the time taken by the wave to travel from one point to another through the medium. Open / Comment

2021-12-31 17:00:36 In this Lecture, Shruti Ma'am will be teaching Nucleic Acid from chapter 9 of NEET biology: Biomolecules

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Daily 7:00 PM class | Monday to Friday | Theory + Tricks + Question practice of every chapter for NEET 2023.
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#OneStopBiology #ShrutiMaam #NEET2023 #AagazBatch Open / Comment

2021-12-31 14:34:27 To know more details or to register for Vijay Batch click on the link below.

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2021-12-30 19:55:46 Ecological succession



(i) Xerarch succession/Terrestrial environment.

Large MAPS Collection.

Explanation

Lichens, Mosses, Annual grasses, Perennial grasses, Shrubs
, Climax community.



(ii)Hydrarch succession/Aquatic environment.

Pretty Starlets Feel Shy of Males with Charisma.

Explanation

Plankton, Submerged plants, Floating plants, Swamps, Marshy meadow, Climax community.

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Trick and Mnemonics
Biology

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2021-12-30 17:38:57 Class-12 Board Term-2 के साथ NEET/JEE crack करना है तो 03 Jan ( Monday ) से कमर कस लें




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2021-12-30 17:36:28 In this Lecture, Shruti Ma'am will be teaching Carbohydrates from chapter 9 of NEET biology: Biomolecules

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Daily 7:00 PM class | Monday to Friday | Theory + Tricks + Question practice of every chapter for NEET 2023.
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#OneStopBiology #ShrutiMaam #NEET2023 #AagazBatch Open / Comment