Question
For two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
  1. Both assertion and reason are true, and reason is the correct explanation of assertion.
  2. Both assertion and reason are true, but reason is not the correct explanation of assertion.
  3. Assertion is true, but reason is false.
  4. Both assertion and reason are false.
Assertion: Chlamydia trachomatis is a human pathogen that causes trachoma, sexually transmitted and perinatal infection.
Reason: Chlamydia trachomatis has DEFGHIJK serotypes.

Answer

  1. Both assertion and reason are true, but reason is not the correct explanation of assertion.​​​​​​​

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For question two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
  1. Both assertion and reason are true and reason is the correct explanation of assertion.
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Assertion: Buffer zone surrounds the core area and limited human activities like resource use strategies, research and education are allowed here.
Reason: There is no biotic interference except in buffer zone.
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Assertion: PCR, ELISA, DNA hybridisation are confirmatory tests for sexually transmitted diseases.
Reason: Incidence of STDs are very high in persons above the age of 30.
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Assertion: Mimicry is the resemblance of one organism to another.
Reason: Mimicry may be protective or aggressive.
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Assertion: Nucellus functions as a nutritive tissue.
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Bt cotton is not:
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  2. Insect resistant.
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Assertion: Emigration is outward movement of some individuals from local population.
Reason: Emigration is caused by occurrence of deficiencies and calamities.
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Assertion: At puberty, human male develops secondary sexual characters.
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Assertion :Mucous membrane immobilises the micro-organisms in the body

Reason: Microorganisms and dust particles entering the respiratory tract are trapped in the mucus.

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Assertion: A medical termination of pregnancy is legally allowed upto the 28th week of pregnancy.
Reason: MTP is done if family physician or gynaecologist consider the need for abortion.
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Assertion: Aspergillus niger produces lactic acid.
Reason: Rhizopus produces citric acid.