Tag: importance and classification of angiosperms

Questions Related to importance and classification of angiosperms

Cuticle in xerophytes acts as a barrier to evaporation and also the shiny surface reflects heat and so lowers temperature.

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. True

  2. False

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Correct Option: A
Explanation:
The aerial organs in xerophytes are covered, thick, waxy covering called cuticle. The cuticle cuts down water loss in two ways: it acts as a barrier to evaporation and also the shiny surface reflects heat and so lowers temperature.
So, the correct option is 'True'.

Find the correct match.

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Halophyte - Wheat

  2. Xerophyte - Mustard

  3. Geophyte - Tomato

  4. Hydrophyte - Pistia

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Correct Option: D

The sun loving plants are referred to as

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Halophytes

  2. Heliophytes

  3. Heterotrophs

  4. Sciophytes

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Correct Option: B

Green plants are absent in deep sea. Why?

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Light is absent

  2. High pressure

  3. Low temperature

  4. Great depth

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Correct Option: A

Effect of $O _{3}$ in plants, involve:

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Stomata burning

  2. Oxidizing burning

  3. Reduced survival

  4. All of above

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Correct Option: D

Most animals and plants can grow with pH, between

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. 4 and 9

  2. 5 and 9

  3. 6 and 9

  4. 7 and 9

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Correct Option: B

_________ plants have flattened leaf-like stems to carry out photosynthesis.

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Prickly pear

  2. Potato

  3. A & B

  4. None of the above

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Correct Option: A
Explanation:

In Opuntia (prickly pear), the stem is modified to a flattened green structure to perform the function of leaves. Leaf-like flattened modified stems are called phylloclades. 


So the correct option is "Prickly pear". 

Nitrates, phosphates and sulphates are plants

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Disease

  2. Pollutants

  3. Nutrients

  4. Organic pollutants

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Correct Option: C

Naturally HCs found in atmosphere are produced from the

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Plants

  2. Soil

  3. Lithosphere

  4. Crust

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Correct Option: A

The source of atmospheric oxygen is

botany adaptation plant adaptation adaptation in plants plant habitat importance and classification of angiosperms aquatic plant adaptations pollination through water life in water

  1. Nitrogen cycle

  2. Green Plants

  3. Water

  4. Carbon Cycle

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Correct Option: B