NEET 2023 Question Paper Mock Test

Match List I with List II regarding species interactions:| List I (Interaction) | List II (Species A and B) || :--- | :--- || A. Mutualism | I. $+$ (A), $0$ (B) || B. Commensalism | II. $-$ (A), $0$ (B) || C. Amensalism | III. $+$ (A), $-$ (B) || D. Parasitism | IV. $+$ (A), $+$ (B) |

Main steps in the formation of Recombinant DNA are given below. Arrange these steps in a correct sequence.A. Insertion of recombinant DNA into the host cell.B. Cutting of DNA at specific location by restriction enzyme.C. Isolation of desired DNA fragment.D. Amplification of gene of interest using PCR.Choose the correct answer from the options given below:

Given below are two statements:Statement I: Gause’s ‘Competitive Exclusion Principle’ states that two closely related species competing for the same resources cannot co-exist indefinitely and competitively inferior one will be eliminated eventually.Statement II: In general, carnivores are more adversely affected by competition than herbivores.In the light of the above statements, choose the correct answer:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:Assertion A: A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem.Reason R: Internode of the shoot gets condensed to produce different floral appendages laterally at successive nodes instead of leaves.In the light of the above statements, choose the correct answer:

Which of the following statements are correct about Klinefelter’s Syndrome?A. This disorder was first described by Langdon Down (1866).B. Such an individual has overall masculine development. However, the feminine development is also expressed.C. The affected individual is short statured.D. Physical, psychomotor and mental development is retarded.E. Such individuals are sterile.Choose the correct answer from the options given below: