Question

answer the following question?​

Answer 1

Answer:

Ans 1. Plants that consume inscect is known as instectivorous plant, eg-pitcher plant.

Ans 2. Plants which derive it's nourishment from dead and decaying matter are known as saprotrophs, eg- mushroom.

Ans 3. Plants which grow on dead and decaying matter, and derives its nutrition from them. This mode of nutrition is know as saprotrophic nutrition.

Ans 4. Plants which live together and share the food and nutrients together in a relationship ,this mode is known as symbiotic relationship.

Ans 5. Rhizobium

Explanation:

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Answer 2

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What are insectivorous plants? Explain with example.

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1. Insectivorous plants are also called as carnivorous plants. These plants prey on invertebrates and small insects. These consume the nutrients of the trapped plants. These plants mostly grow in bogs (wastelands) where the soil has low nutrients.

There are five mechanism followed by carnivorous plants to trap insects. They are

1. Pitfall traps: These plants use pools which are deep and slippery with a digestive enzyme.

2. Flypaper traps: These plants produce mucilage, think and sticky glues which are used to trap small insects. For example, Venus fly trap.

3. Snap traps: These plants have hair all over their leaves which are sensitive to the touches. These plants snap the insects suddenly when their hairs senses movement or some insects touches their hair.

4. Suction traps: These plants have bladder with hinged doors. The bladders are vacuum which would swallow small insects. For example, bladderwort.

5. Lobster pot traps: These plants have tiny hairs in tubular channels.

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What are Saprotrophs ? Give example.

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2. Saprotrophs are orgnisms that obtain nutrition from dead and decaying organic matter. Examples: Fungi and some bacteria.

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What is Saprotrophic nutrition ?

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3. Saprotrophic nutrition /sæprəˈtrɒfɪk, -proʊ-/ or lysotrophic nutrition is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed (dead or waste) organic matter. It occurs in saprotrophs, and is most often associated with fungi (for example Mucor) and soil bacteria.

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Explain Symbiosis with example.

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4. Symbiosis is the phenomenon by which two organisms maintain relationship with each other to be mutually benefitted. In symbiotic mode, organisms develop a special relationship with certain other organisms to obtain nourishment. Organisms involved in this type of relationship are called as symbionts.

e.g. Rhizobium bacteria and Leguminous plants are symbionts exhibiting symbiosis.

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Name the bacteria that helps in nitrogen fixation.

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5. Two kinds of nitrogen-fixing bacteria are recognized. The first kind, the free-living (nonsymbiotic) bacteria, includes the cyanobacteria (or blue-green algae) Anabaena and Nostoc and genera such as Azotobacter, Beijerinckia, and Clostridium.