18 12345678910 Biology : Ch03 – Plant Kingdom – Assertion and Reason Read the assertion and reason carefully to mark the correct option. 10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions 1 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Gymnosperms are heterosporous. Reason: They produce haploid microspores and megaspores. Both the assertion and reason are false. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. 2 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Cytotaxonomy is based on the cytological information like chromosome number, structure and behaviour. Reason: Chemotaxonomy that uses the chemical constituents of the plants. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 3 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Volvox show diplontic type of life cycle. Reason: They show free living sporophyte. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 4 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Rhodophyceae commonly known as red algae. Reason: Their body predominantly contain red pigment r-prycoerythrin. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 5 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: In pinus the coralloid roots are associated with nitrogen fixing cynobacteria. Reason: In Cycas, mycorrhiza is present. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 6 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Bryophytes are of great ecology importance. Reason: Bryophytes play important role in plant succession on bare rocks. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 7 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Algae increases level of dissolved oxygen in their immediate environment. Reason: They show oxygenic photosynthesis Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 8 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Development of zygote into young embryo takes places within the female gametophytes in Pteridophytes Reason: This event is a precursor to seed habit, considered an important step in evolution. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 9 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Sphagnum is used for transhipment of living material like seedlings. Reason: Sphagnum has capacity of water retention. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. 10 / 10 Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion: Pteridophytes are used for medicinal purposes and soil binders. Reason: They are the first terrestrial plants to possess vascular tissues. Both the assertion and the reason are true and the reason is a correct explanation of the assertion. Both the assertion and the reason are true and the reason is not a correct explanation of the assertion. Assertion is true but the reason is false. Both the assertion and reason are false. Your score is Restart quiz Was this helpful? YesNo 0 / 0 #XI - Biology - Assertion and Reason