NEET MCQ BIOLOGY


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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..
Poll
  •   Amplitude
  •   Frequency
  •   Pitch
  •   Time period
5670 votes


The Basic structural and functional unit of life is..........?
Poll
  •   CELL 📌
  •   Tissue ☘️
  •   Battery 🔋
  •   I phone
1912 votes


🌻Equilibria involving O2 molecules and the protein heamoglobin play a crucial role
Poll
  •   (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
3432 votes


Which of the following compound will exhibits positive Fehling test as well as idoform test ?
Poll
  •   Methanal
  •   Ethanol
  •   Propanone
  •   Ethanal
306 votes


✿્᭄͜͡ The element with atomic number Z = 115 will be placed in:
Poll
  •   (a) 7th period, I A group
  •   (b) 8th period, IV A group
  •   (c) 7th period, V A group
  •   (d) 6th period, V B group
1030 votes


💖Dutch businessman who was the first (1674) to use monocular microscope to observe bacteria, protozoa, RBC cells ~
Poll
  •   🦋Anton von Leeuwenhoek
  •   🍃Robert koch
  •   🦋Kolliker
  •   🍃Robert Hooke
291 votes


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 :
Poll
  •   MO
  •   M2O3
  •   M2O
  •   M3O4
870 votes




🌷 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
Poll
  •   B > C > A
  •   A > B > C
  •   C > B > A
  •   A > C > B
4085 votes


🌷 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?
Poll
  •   The spoon gets coated with aluminium
  •   An alloy of aluminium and copper is formed
  •   No reaction occurs
  •   The solution starts turning blue
3344 votes


🌻Molar conductivity ( Λm ) increases with dilution for weak electrolyte due to increase in number of ions
Poll
  •   True
  •   False
4849 votes


✿ Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of :-
Poll
  •   🔸Diffraction
  •   🔹Interference
  •   🔸Total internal reflection
  •   🔹Polarization
440 votes


💎 A first order reaction is 75% completed in 100 minutes. How long time will it take for it's 87.5% completion?
Poll
  •   125 min
  •   150 min
  •   175 min
  •   200 min
218 votes


🚀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)
Poll
  •   20 m
  •   50 m
  •   40 m
  •   60 m
183 votes


🌷Which of the following is essential for the growth of root tip
Poll
  •   Ca
  •   Mn
  •   Fe
  •   None of these
6186 votes


✮͢ ⃟🎯 If there were only parental combinations in F2​ of a dihybrid cross then Mendel might have discovered :
Poll
  •   Independent assortment
  •   Atavism
  •   Łinkage
  •   Repülsion
184 votes


❖ Huygen’s conception of secondary waves ✑
Poll
  •   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
166 votes


🌷Annelids neural system consists of paired ganglia that are connected to the double ventral nerve cord by
Poll
  •   Dorsal nerve
  •   Ventral nerve
  •   Lateral nerve
  •   Both A and B
5510 votes

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