PCB QUIZ for NEET

The electronagativity of an element is low . The bond formed b/w the atoms =

1. A solid is floating in a liquid at a certain temperature. When temperature is increased the new buoyant force remains unchanged. 2. As the Temperature of water increases from 0°C to 4°C the coefficient of volumetric expansion also increases

X = The arm of Ophiura is thicker than the arm of Asterias Y = Antedon found in fresh water

Hemichordata are non-chordate animals

1. A combination of 2 SHM with arbitrary amplitudes and phases must be periodic. 2. If a narrow sound pulse is sent across a medium and the pulse rate is 1 after every 10 s then the frequency produced is 0.1 Hz.

Internal Forces acting in a system of particle can change--

Q. 1 Circular motion is the example of preodic motion

Q.4 A particle which show SHM , then accelaration of particle is uniform

Presence of mesoglea is the feature of triplobastic animals

Oxidation number of carbon in CH3CH2OH

★ A bullet of mass M moving vertically upward with a velocity u hits a hanging block of mass M and gets embedded in it . The height through which block rises after collision ( assume sufficient space present above block ) =

If we change the volume then equilibrium constant of the rxn H₂ + I₂ = 2HI should be change

In a neuron the vesicles containing neurotransmitters are called =

Y plus batch question = 𝘚𝘵𝘢𝘵𝘦𝘮𝘦𝘯𝘵 = Mass of a body must be present physically at COM

Gymnosperm do not have living cell without neucleus

A particle is executing SHM with time period T. If it is released then time taken by it to complete 7/8 oscillations is-

Volvox is filamentous algae.

Fascia is a collagenous connective tissue

Urge of drinking are not under the control of centres located in medulla oblongata