Question

can you answer me the question​

Answer 1

» Required Answers:

True or false:

1.All plants are autotrophic in nature.

$\red \bigstar$ $\boxed { \large \bf \red{ False!!}}$

$\implies$ Not all the plants are autotrophic in nature this is because many plants are also heterotrophic like pitcher plant as they can't prepare their own food by the process of photosynthesis ,all the green plants are autotrophic in nature because they are able to make their own food by the process of photosynthesis but some plants doesn't contain green pigment and hence can't prepare their own food.

2.Plants make food in the form of starch as a result of photosynthesis.

$\red \bigstar$ $\boxed { \large \bf \green{ True!!}}$

3. The leaf of the Pitcher plant is modified into a tubular pitcher to trap insects.

$\red \bigstar$ $\boxed { \large \bf \green{ True!!}}$

4. Lichens are a parasitic relationship between a fungus and a bacteria .

$\red \bigstar$ $\boxed { \large \bf \red{ False!!}}$

$\implies$ Lichens are a symbiotic relationship between a fungus and an algae

5. Farmers grow leguminous crops alternately with other crops to restore potassium and phosphorus content of the soil .

$\red \bigstar$ $\boxed { \large \bf \red{ False!!}}$

$\implies$ Farmers grow leguminous crops alternately with other crops to restore nitrogen content of the soil as like in the leguminous plants they have root nodules in which nitrogen fixing bacteria called rhizobium leaves and it stores the nitrogen content of the soil .

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Choose the correct option:

1. Which of these absorbs light energy ?

$\red \bigstar$ $\boxed { \large \bf \green{ Chlorophyll!! }}$

2. Which of these increases the surface area to absorb water and minerals through the roots ?

$\red \bigstar$ $\boxed { \large \bf \green{ Root \: Hair!! }}$

3. Which is these is the reason for heterotrophic nutrition in certain plants?

$\red \bigstar$ $\boxed { \large \bf \green{ All \: of \: these!! }}$

4. Which of these plants live in association with other organisms in such a way that both gain from each other?

$\red \bigstar$ $\boxed { \large \bf \green{ Symbiotic \: plants!! }}$

5. Which of these does a sundew plant it have fought trapping and digesting insects?

$\red \bigstar$ $\boxed { \large \bf \green{ tentacles \: and \: mucilage!! }}$

6. Which of these is needed for photosynthesis ?

$\red \bigstar$ $\boxed { \large \bf \green{ All \: of \: these!! }}$

7. Which of these helps leaves to get carbon dioxide from photosynthesis ?

$\red \bigstar$ $\boxed { \large \bf \green{ Stomata!! }}$

8. Which of these tissues help in conducting prepared food from leaves to roots?

$\red \bigstar$ $\boxed { \large \bf \green{ Phloem!! }}$

9. Which of these plants live off dead and rotting material?

$\red \bigstar$ $\boxed { \large \bf \green{ Saprophytic!! }}$

10. Which of the the following do pea plants get into a symbiotic relationship with?

$\red \bigstar$ $\boxed { \large \bf \green{ Bacteria!! }}$

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