NEET 2023 Question Paper Mock Test

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:Assertion A: Nephrons are of two types: Cortical & Juxta medullary, based on their relative position in cortex and medulla.Reason R: Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle.In the light of the above statements, choose the correct answer:

Given below are two statements:Statement I: Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat.Statement II: When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.In the light of the above statements, choose the correct answer:

Match List I with List II regarding the Lac Operon:| List I | List II || :--- | :--- || A. Gene 'a' | I. $\beta$ -galactosidase || B. Gene 'y' | II. Transacetylase || C. Gene 'i' | III. Permease || D. Gene 'z' | IV. Repressor protein |

Match List I with List II:| List I | List II || :--- | :--- || A. Ringworm | I. Haemophilus influenzae || B. Filariasis | II. Trichophyton || C. Malaria | III. Wuchereria bancrofti || D. Pneumonia | IV. Plasmodium vivax |

Which of the following functions is carried out by cytoskeleton in a cell?