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Doctors Medicines MCQs Q&A

Match the following (a) Algae (i) saprotrophs. (b) Amarbel (ii) Photosynthesis (c) Pitcher Plant (iii) Parasite (d) Fungi (iv) Insectivorous

Match the following (a) Algae (i) saprotrophs. (b) Amarbel (ii) Photosynthesis (c) Pitcher Plant (iii) Parasite (d) Fungi (iv) Insectivorous Correct Answer (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)

The correct option is (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)

Concept:

  • Nutrition is a process by which an organism consumes and uses food materials. According to WHO, Nutrition is the intake of food, considered in relation to the body's dietary needs.
  • There are various modes of nutrition mainly, Autotrophic, Heterotrophic, Chemoautotrophic, Saprophytic,  etc.
  • Parasitism is a type of heterotrophic nutrition.

Explanation:

The Correct order is:

Organism  Mode of Nutrition
Algae  Photosynthetic/ Autotrophic
Amarbel Parasite
Pitcher Plant Insectivorous
Fungi saprotrophs


Key Points

Amarbel (Cascuta):

  • It is a parasite.
  • Amarbel does not have chlorophyll.
  • It takes readymade food from the plant on which it climbs. The plant on which it climbs is called a host.
  • Since it deprives the host of valuable nutrients, it is called a parasite.

Pitcher Plant:

  • It is an insectivorous plant.
  • It has a Pitcher-like structure that is the modified part of the leaf.
  • The apex of the leaf forms a lid that can open and close the mouth of the pitcher.
  • Inside the pitcher, there are hairs that are directed downwards.
  • When an insect lands in the pitcher, the lid closes and the trapped insect gets entangled into the hair.
  • The insect is digested by the digestive juices secreted in the pitcher.

Fungi:

  • Fungi are cosmopolitan and occur in air, water, soil, and animals and plants. They prefer to grow in warm and humid places.
  • Fungi are eukaryotes i.e complete cell with cell organelles is present
  • With the exception of yeasts which are unicellular, fungi are filamentous i.e multicellular organisms
  • Most fungi are heterotrophic and absorb soluble organic matter from dead substrates and hence are called saprophytes

​Algae:

  • Algae are chlorophyll-bearing, simple, thalloid, autotrophic, and largely aquatic (both fresh water and marine) organisms.
  • They occur in a variety of other habitats: moist stones, soils, and wood.
  • Due to the presence of chlorophyll, they perform photosynthesis & are autotrophic

Related Questions

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