NEET JEE CBSE NOTES

ORDER OF A REACTION

Solutions notes

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MCC Round 1

𝗔𝗡𝗔𝗧𝗢𝗠𝗬 (1) 𝐃𝐢𝐠𝐞𝐬𝐭𝐢𝐯𝐞 𝐒𝐲𝐬𝐭𝐞𝐦 ❖ The alimentary canal present in the body cavity is divided into three regions: foregut, midgut and hindgut. ❖ The mouth opens into a short tubular pharynx leading to a narrow tubular passage called oesophagus. ❖ This in turn, opens into a sac like structure called crop used for storing of food. ❖ The crop is followed by gizzard or proventriculus. ❖ Gizzard helps in grinding the food particles.The entire foregut is lined by cuticle. ❖ A ring of 6-8 blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice. ❖ At the junction of midgut and hindgut is present another ring of 100-150 yellow coloured thin filamentous Malpighian tubules. ❖ They help in removal of excretory products from haemolymph. ❖ The hindgut is broader than midgut and is differentiated into ileum, colon and rectum. The rectum opens out through anus.

----------------------------------------------------- ℙ𝕝𝕒𝕟𝕔𝕜'𝕤 ℚ𝕦𝕒𝕟𝕥𝕦𝕞 𝕋𝕙𝕖𝕠𝕣𝕪 ----------------------------------------------------- ❖ Substances that absorb or emit light discontinuously in the form of small packets or bundles. ❖ The smallest packet of energy is called quantum (plural quanta). ❖ The radiation is propagated in the form of waves. ❖ The energy of a quantum is directly proportional to the frequency of the radiation E ∝ v E = hv E = (hc)/ λ =hc v Where E = Energy of radiation h = Planck's constant = 6.626 * 10^-27 * erg .sec = 6.626 * 10^-34 Joule.sec ❖ A body that can absorb or emit energy in whole number multiple of quantum. E = nhv Where n = 1, 2, 3, 4 ❖ The frequency of emitted radiation goes from lower to higher as the temperature increases.

Bonus marks that had been given before has now removed...  only option 4 is correct (acc. To new ncert) !!

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Error Handwritten Notes 💟 One Question Expected in NEET/JEE❤️