Here we are providing assertion reason questions for class 9 science. This article covers assertion reason questions based on Class 9 Science Chapter 7 Diversity in Living Organisms. To check the answer, click on ‘answer’ given below each question. After clicking it will expand.
Table of Contents
Assertion and Reason Questions for Class 9 Science Chapter 7 Diversity in Living Organisms
Directions: In each of the following questions, a statement of Assertion is given, and a corresponding statement of Reason is given just below it. Of the statements, given below, mark the correct answer as:
(a) Both assertion and reason are true, and reason is the correct explanation of assertion.
(b) Both assertion and reason are true, but reason is not the correct explanation of assertion.
(c) Assertion is true, but reason is false.
(d) Assertion is false, but reason is true.
Q.1.
Assertion: Bats and whales are grouped under mammals.
Reason: Bats and whales have four chambered hearts.
Show Answer
Answer: bQ.2.
Assertion: System of scientific naming is binomial nomenclature.
Reason: Carolus Linnaeus gave a binomial nomenclature system.
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Answer: bQ.3.
Assertion: Sponges have tissue level of organization.
Reason: Sponges belong to Phylum Porifera.
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Answer: dQ.4.
Assertion: Mushroom belongs to class fungi.
Reason: Their cell wall is made up of chitin and cellulose
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Answer: aQ.5.
Assertion: Angiosperms and gymnosperms both are flowering plants.
Reason: Both form seeds.
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Answer: dQ.6.
Assertion: Blue green algae are grouped under Kingdom Plantae.
Reason: Plantae show definite membrane bound organelles and multi-cellular body design.
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Answer: d
Q.7.
Assertion: Lichen show symbiotic relationship between algae and fungi.
Reason: They live in association with each other and are mutually benefitted.
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Answer: aQ.8.
Assertion: Water vascular system is the characteristic of echinoderms.
Reason: Main function of water vascular system is locomotion.
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Answer: bQ.9.
Assertion: Algae and fungi are grouped in thallophyta.
Reason: Algae and fungi show no differentiation in thallus.
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Answer: aQ.10.
Assertion: Birds are warm blooded animals.
Reason: Birds possess feathers covering their body.
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Answer: aQ.11.
Assertion: All bryophytes are found on land.
Reason: Water is necessary to complete the life cycle of bryophytes.
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Answer: dQ.12.
Assertion: Amphibians are cold blooded animals.
Reason: Amphibian often undergoes summer sleep.
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Answer: bQ.13.
Assertion: Seeds of gymnosperms are naked.
Reason: They lack ovary wall.
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Answer: aQ.14.
Assertion: Nematodes are different from flatworms.
Reason: Nematodes are called round worms.
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Answer: bQ.15.
Assertion: Gram seed is a dicot.
Reason: They have one cotyledon.
Show Answer
Answer: cRelated Posts
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| Case Study Questions for Class 6 to 12 | Assertion and Reason for Class 6 to 12 |
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