NEET MCQ BIOLOGY


Kanal geosi va tili: Hindiston, Inglizcha
Toifa: Tibbiyot


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Kanal geosi va tili
Hindiston, Inglizcha
Statistika
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JEE-main 2024 -Old-VS-New-syllabus (1).pdf
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JEE-main 2024 -Old-VS-New-syllabus.pdf


The loudness or softness of sound is determined by its..
So‘rovnoma
  •   Amplitude
  •   Frequency
  •   Pitch
  •   Time period
6166 ta ovoz


The Basic structural and functional unit of life is..........?
So‘rovnoma
  •   CELL 📌
  •   Tissue ☘️
  •   Battery 🔋
  •   I phone
2130 ta ovoz


🌻Equilibria involving O2 molecules and the protein heamoglobin play a crucial role
So‘rovnoma
  •   (a) in the transport of O2 from our lungs to our muscles
  •   (b) in the transport and delivery of O2 from our lungs to our muscles
  •   (c) in the transport of CO2 and delivery of O2 from our lungs to our muscles
  •   (d) in the transport and delivery of CO2 and O2 from our lungs to our muscles
3653 ta ovoz


Which of the following compound will exhibits positive Fehling test as well as idoform test ?
So‘rovnoma
  •   Methanal
  •   Ethanol
  •   Propanone
  •   Ethanal
332 ta ovoz


✿્᭄͜͡ The element with atomic number Z = 115 will be placed in:
So‘rovnoma
  •   (a) 7th period, I A group
  •   (b) 8th period, IV A group
  •   (c) 7th period, V A group
  •   (d) 6th period, V B group
1125 ta ovoz


💖Dutch businessman who was the first (1674) to use monocular microscope to observe bacteria, protozoa, RBC cells ~
So‘rovnoma
  •   🦋Anton von Leeuwenhoek
  •   🍃Robert koch
  •   🦋Kolliker
  •   🍃Robert Hooke
315 ta ovoz


An oxide of metal (M) has 40% by mass of oxygen. Metal M has atomic mass of 24. The empirical formula of the oxide is :
So‘rovnoma
  •   MO
  •   M2O3
  •   M2O
  •   M3O4
933 ta ovoz




🌷 Standard reduction electrode potential of 3 metal A, B, & C are +0.5, -3.0 & -1.2 respectively. The reducing power of these metal are
So‘rovnoma
  •   B > C > A
  •   A > B > C
  •   C > B > A
  •   A > C > B
4258 ta ovoz


🌷 The position of some metals in the electrochemical series is decreasing electropositive character is Mg > Al > Zn > Cu > Ag. What will happened if copper spoon is used to stirred solution of aluminium nitrate?
So‘rovnoma
  •   The spoon gets coated with aluminium
  •   An alloy of aluminium and copper is formed
  •   No reaction occurs
  •   The solution starts turning blue
3477 ta ovoz


🌻Molar conductivity ( Λm ) increases with dilution for weak electrolyte due to increase in number of ions
So‘rovnoma
  •   True
  •   False
5038 ta ovoz


✿ Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of :-
So‘rovnoma
  •   🔸Diffraction
  •   🔹Interference
  •   🔸Total internal reflection
  •   🔹Polarization
455 ta ovoz


💎 A first order reaction is 75% completed in 100 minutes. How long time will it take for it's 87.5% completion?
So‘rovnoma
  •   125 min
  •   150 min
  •   175 min
  •   200 min
225 ta ovoz


🚀A missile is fired for maximum range with an initial velocity of 20m/s. If g=10m/s², the range of the missile is (in m)
So‘rovnoma
  •   20 m
  •   50 m
  •   40 m
  •   60 m
189 ta ovoz


🌷Which of the following is essential for the growth of root tip
So‘rovnoma
  •   Ca
  •   Mn
  •   Fe
  •   None of these
6401 ta ovoz


✮͢ ⃟🎯 If there were only parental combinations in F2​ of a dihybrid cross then Mendel might have discovered :
So‘rovnoma
  •   Independent assortment
  •   Atavism
  •   Łinkage
  •   Repülsion
197 ta ovoz


❖ Huygen’s conception of secondary waves ✑
So‘rovnoma
  •   1) Allow us to find the focal length of a thick lens
  •   2) Is a geometrical method to find a wavefront
  •   3) Is used to determine the velocity of light
  •   4) Is used to explain polarisation
173 ta ovoz

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