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Classification of Plants

ICSE,VI

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Why are algae called thallophytes?

  1. As they are unicellular.
  2. As they are autotrophic.
  3. As they have undifferentiated body.
  4. As they float on ponds and stagnant pools.
Question 2 Multiple Choice (Single Answer)

Why are bryophytes called cryptogams?

  1. As they contain photosynthetic pigments.
  2. As they do not bear flowers.
  3. As they do not have true roots, stems and leaves.
  4. As they can make their own food.
Question 3 Multiple Choice (Single Answer)

Why is mushroom called 'heterotrophic'?

  1. As it causes diseases.
  2. As it depends on others for food.
  3. As it reproduces though spores.
  4. As it helps to make wine and bread.
Question 4 Multiple Choice (Single Answer)

What are underground stems of ferns called?

  1. Sori
  2. Frond
  3. Rhizome
  4. Spore
Question 5 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of algae?

  1. Unicellular
  2. Aquatic
  3. Heterotrophic
  4. Grow in fresh or sea water
Question 6 Multiple Choice (Single Answer)

Why are fungi called saprophytes?

  1. As they grow on dead or decaying plants.
  2. As they grow on living plants and animals.
  3. As they cause skin infections to human beings.
  4. As they reproduce through spores.
Question 7 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of ferns?

  1. They have true roots, stems and leaves.
  2. They are predominantly land plants.
  3. They produce flowers and seeds.
  4. Their leaves are divided into leaflets.
Question 8 Multiple Choice (Single Answer)

Why are bryophytes called 'amphibians of the plant kingdom'?

  1. Because they respire in water.
  2. Because they reproduce by spores.
  3. Because they live in water and on land.
  4. Because they grow on damp walls and tree trunks.
Question 9 Multiple Choice (Single Answer)

Seeds of which of the following plants have only one cotyledon?

  1. Pea and bean
  2. Groundnut and almond
  3. Rice and wheat
  4. Bean and rice
Question 10 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of gymnosperms?

  1. They have well developed roots, stems and leaves.
  2. Their seeds are enclosed in fruits.
  3. They produce spores.
  4. They are tall and bear stout stems.
Question 11 Multiple Choice (Single Answer)

Why are angiosperms called 'closed-seeded plants'?

  1. Because seeds are enclosed in fruits.
  2. Because seeds are divided into two parts.
  3. Because seeds are enclosed in a thick covering.
  4. Because radicle and plumule are present inside the seeds.
Question 12 Multiple Choice (Single Answer)

Match the following:

 
1. Algae i. Bryophytes
2. Mushroom ii. Thallophytes
3. Moss iii. Pteridophytes
4. Fern iv. Fungi
  1. 1 - i, 2 - iv, 3 - ii, 4 - iii
  2. 1 - ii, 2 - iv, 3 - i, 4 - iii
  3. 1 - iii, 2 - ii, 3 - iv, 4 - i
  4. 1 - iv, 2 - ii, 3 - iv, 4 - i
Question 13 Multiple Choice (Single Answer)

Why grams are called dicotyledonous plants?

  1. Because their seeds contain both root and shoot system of the plant.
  2. Because their seeds can be divided into two parts.
  3. Because they possess double layer over their seeds.
  4. Because they germinate only during favourable conditions.
Question 14 Multiple Choice (Single Answer)

Why is mango tree called as perennial?

  1. As it produces edible fruits.
  2. As it lives for many years.
  3. As it has hard and stout stem.
  4. As it sheds its leaves during winters.
Question 15 Multiple Choice (Single Answer)

Some plants like rice and wheat, complete their entire process in few months. What are such plants called?

  1. Biennials
  2. Annuals
  3. Perennials
  4. Dioecious
Question 16 Multiple Choice (Single Answer)

Why are Indian aloe and plum called xerophytes?

  1. Because they live in water bodies.
  2. Because they can grow in dry soil.
  3. Because they are partially submerged in water.
  4. Because they can grow in tropical rain forests.
Question 17 Multiple Choice (Single Answer)

Match the following:

 
1. Rhizome i. Reproductive organs
2. Fronds ii. Underground stem
3. Sori iii. Leaves
4. Cones
  1. 1 - ii, 2 - iii, 3 & 4 - i
  2. 1 - ii, 2 & 3 - iii, 4 - i
  3. 1 - iii, 2 & 4 - i, 3 - ii
  4. 1 & 2 - ii, 3 - iii, 4 - i
Question 18 Multiple Choice (Single Answer)

Which among the following statements is incorrect?

  1. Dodder is a common parasitic angiosperm.
  2. The leaves of Indian spinach are thick due to storage of water.
  3. Saprophytic plants feed on living plants.
  4. Autotrophic plants prepare their own food with the help of chlorophyll and sunlight.
Question 19 Multiple Choice (Single Answer)

Match the following:
1. Radish i. Shrub
2. Neem ii. Herb
3. Basil iii. Hydrophytes
4. Lotus iv. Perennial
  1. 1 - i, 2 - iv, 3 - ii, 4 - iii
  2. 1 - ii, 2 - iv, 3 - i, 4 - iii
  3. 1 - iii, 2 - ii, 3 - iv, 4 - i
  4. 1 - iv, 2 - ii, 3 - iv, 4 - i
Question 20 Multiple Choice (Single Answer)

Match the following:
1. Water hyacinth i. Mesophyte
2. Teak ii. Xerophyte
3. Cactus iii. Hydrophyte
4. Pine
  1. 1 - i, 2 & 3 - ii, 4 - iii
  2. 1 - ii, 2 - i, 3 & 4 - iii
  3. 1 & 4 - iii, 2 - ii, 3 - i
  4. 1 - iii, 2 & 4 - i, 3 - ii
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