MCQ
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.
Assertion: Chlamydia trachomatis is a human pathogen that causes trachoma, sexually transmitted and perinatal infection.
Reason: Chlamydia trachomatis has $\text{DEFGHIJK}$ serotypes.
  • A
    Both assertion and reason are true, and reason is the correct explanation of assertion.
  • Both assertion and reason are true, but reason is not the correct explanation of assertion.
  • C
    Assertion is true, but reason is false.
  • D
    Both assertion and reason are false.

Answer

Correct option: B.
Both assertion and reason are true, but reason is not the correct explanation of assertion.
Both assertion and reason are true, but reason is not the correct explanation of assertion.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

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.
Assertion: Fetal chromosomal disorders can be diagnosed by chorionic villi sampling.
Reason: Karyotyping can be done for mitotically dividing cells of chorionic villi.
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.
Assertion: Cross pollination is the only means of pollination in unisexual flowers.
Reason: Self$-$sterility is the only way to prevent self$-$pollination in bisexual flowers.
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.
Assertion: Mendel was successful in his hybridisation experiments.
Reason: Garden pea proved to be an ideal experimental material.
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.
Assertion : Kangaroo rat can live without drinking water.
Reason : This is an adaptation to water scarcity in arid conditions.
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.
Assertion: A medical termination of pregnancy is legally allowed upto the $28^{th}$​​​​​​​ week of pregnancy.
Reason: $\text{MTP}$ is done if family physician or gynaecologist consider the need for abortion.
Some multinational companies patent biological sample of other country without permission is called as :
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.
Assertion : Karyotypes study is used to detect of chromosomal aberrations.
Reason: Karyotypes can be used to know the sex of unborn child.
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.
Assertion: $\text{YAC}$ vectors have been exploited extensively in the mapping of large genomes.
Reason: $\text{YAC}$ vectors have a composite structure made of bacteriophage and plasmid.
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.
Assertion: Double fertilization is unique to angiosperms.
Reason: Triple fusion occurs in both fertilization, $i.e.$ first and second.
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.
Assertion: Batesian mimicry is a protective mimicry.
Reason: Viceroy butterfly shows Batesian mimicry.