Tag: extreme adaptations

Questions Related to extreme adaptations

Deep roots occur in

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Perennial nonsucculent xerophytes

  2. Perennial succulent xerophytes

  3. Annual xerophytes

  4. Ephemeral xerophytes

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Correct Option: A
Explanation:

In non-succulent Perennial have extensive root systems, roots penetrate deep into the soil and establish contact with sub-soil water. 

  • Some trees have deep, extensive root systems that anchor them to hillsides. Shrubs service berry is a deep-rooted deciduous shrub or small tree that grows best in well-drained, slightly acidic, moist soil. Ground covers, Vetiver Grass.
So, the correct option is 'Perennial non succulent xerophytes'

Xerophytes possess

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Sunken stomata

  2. Deep roots

  3. Thick cuticle

  4. All the above

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Correct Option: D

Ephemerals are a type of xerophytes ______________.

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Drought escaping

  2. Drought resisting

  3. Drought enduring

  4. None of the above

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Correct Option: A

Acacia arabica is a ________

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Hydrophyte

  2. Mesophyte

  3. Xerophyte

  4. None of these

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Correct Option: C
Explanation:

Acacia arabica is xerophyte because it is seen in desert places.

What is wrong about xerophytes?

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Sunken stomata

  2. Small spiny leaves

  3. Thick cuticle

  4. Larger number of stomata

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Correct Option: D

A non-succulent xerophyte with thick leathery leaves having white sticky waxy coating is

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Nerium

  2. Calotropis

  3. Bryophyllum

  4. Ruscus

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Correct Option: B

Which one is not a trait of xerophytes ?

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Thick cuticle

  2. Sunken stomata

  3. Aerenchyma

  4. Well developed mechanical tissue

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Correct Option: C
Explanation:

Xerophytes are made up of thick cuticles and contains parenchymal tissues. It does not contain Aerenchyma.

In xerophytes, photosynthesis often occurs through

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Root

  2. Modified stem

  3. Stomata

  4. Scaly leaves

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Correct Option: B

Which ones develop characteristics of xerophytes?

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Hydrophytes

  2. Sciophytes

  3. Heliophytes

  4. Halophytes

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Correct Option: D

Cacti storing water in leaves are

botany ecological adaptations, succession and ecological services extreme adaptations adapting to a habit adaptive features aquatic plant adaptations pollination through water

  1. Ephemerals

  2. Drought resistant

  3. Annualsx

  4. Non-succulents

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Correct Option: B