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CBSE Class 9 Diversity in Living Organisms — practice questions — page 4

Explore 132 free Diversity in Living Organisms questions in CBSE Class 9 Science. Open each question or exercise to read its content, reference answers and available explanation.

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Diversity in Living Organisms questions and exercises with answers

Showing questions 91–120 of 132.

Menstruation usually lasts:Read the answer and worked solution →Survival of the young is generally higher with:Read the answer and worked solution →Match the reproduction termRead the answer and worked solution →Asexual or sexual?Read the answer and worked solution →Order the making of a seedRead the answer and worked solution →Sort the reproductive partsRead the answer and worked solution →True or false about reproductionRead the answer and worked solution →Reproduction numbersRead the answer and worked solution →Complete the pollination ruleRead the answer and worked solution →Reproduction bingoRead the answer and worked solution →The systematic grouping of living organisms is called:Read the answer and worked solution →The five kingdom system includes Monera, Protista, Fungi, Plantae and:Read the answer and worked solution →Bacteria are placed in which kingdom?Read the answer and worked solution →Fungi have cell walls made of:Read the answer and worked solution →Who introduced binomial nomenclature?Read the answer and worked solution →A scientific name has how many words?Read the answer and worked solution →A region rich in endemic species and losing habitat is a:Read the answer and worked solution →In Panthera tigris, the genus name is:Read the answer and worked solution →In Mangifera indica, the species name is:Read the answer and worked solution →A printed scientific name is written in:Read the answer and worked solution →The genus name begins with a:Read the answer and worked solution →The two kingdom system divided life into Animalia and:Read the answer and worked solution →Which kingdom was added third, for unicellular microscopic life?Read the answer and worked solution →Kingdom Animalia is split into chordata and:Read the answer and worked solution →Kingdom Plantae is divided into how many classes?Read the answer and worked solution →Which is NOT one of the five plant classes?Read the answer and worked solution →A lichen pairs a heterotrophic fungus with an autotrophic:Read the answer and worked solution →Protista are mostly unicellular organisms that have a:Read the answer and worked solution →The Purple Frog's species name honours the:Read the answer and worked solution →The Pakke Tiger Reserve has recorded about how many bird species?Read the answer and worked solution →

Worked practice questions

Menstruation usually lasts:

  1. 9 to 14 days
  2. 20 to 28 days
  3. 3 to 7 days
  4. 1 to 2 days
Show answer and solution

Correct answer: C. 3 to 7 days

1. The thick uterine lining is shed when no zygote arrives. 2. The shedding takes a few days. 3. Menstruation usually lasts 3 to 7 days. 4. So the answer is 3 to 7 days. _Source: syllabus Science, Ch 11 'Reproduction: How Life Continues'_

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Survival of the young is generally higher with:

  1. External fertilis
  2. Spore formation
  3. Budding of buds
  4. Internal fertilis
Show answer and solution

Correct answer: D. Internal fertilis

1. Fertilisation may happen inside or outside the body. 2. One of the two shelters the developing embryo. 3. The embryo is better protected in internal fertilisation. 4. So the answer is internal fertilisation. _Source: syllabus Science, Ch 11 'Reproduction: How Life Continues'_

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Match the reproduction term

Read exercise and reference answers
Matching pairs
  1. Left
    Pollination
    Right
    Pollen moves anther to stigma
  2. Left
    Fertilisation
    Right
    A male and female gamete fuse
  3. Left
    Zygote
    Right
    The fertilised egg cell
Instructions
Match each term to what it means.
_Source: syllabus Science, Ch 11 'Reproduction: How Life Continues'_

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