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प्रश्न
Look at the diagram given below and answer the following question.
Soil fertility is increased by bacteria How?
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उत्तर
Bacteria like Pseudomonas are used to fix atmospheric nitrogen in the soil for agriculture. So they increase soil fertility.
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संबंधित प्रश्न
What are the similarities and differences between onion and coriander?
Describe the functions of various parts of a plant.
Fill in the blank by rearranging the letter in the bracket.
_____ is a primary producer (tanpl).
Plants can live without water.
Green plants need sunlight.
Why do we call the jasmine plant, a twiner?
One of the following birds is an example of plant pollinator
Which is the national tree of India?
Comment on the importance of plant-animal interaction.
The living world comprises plants and animals.
Plants can prepare ______.
What are the uses of plants?
Give some examples of monocotyledonous plants and dicotyledonous plants.
Which of the following combination of features would you observe in grass?
Match the parts of plant given in Column I with their function in Column II.
| Column I | Column II | ||
| (a) | Flower | (i) | Excretion |
| (b) | Leaf | (ii) | Photosynthesis |
| (c) | Stem | (iii) | Reproduction |
| (d) | Root | (iv) | Bears branches |
| (v) | Anchorage | ||
Solve the crossword given in the following figure as per the clues given below it:
Across
1. The term that describes upward movement of water in a stem.
3. The part of leaf which is attached to the stem.
5. This part is attached to the tip of filament.
Down
1. Plants that are weak and spread on the ground.
2. Ovules are present in this part of flower.
4. Is the broad part of leaf.
Fill in the blanks with the terms that are listed below:
| anther | male | ovary | ovule | petals | pistil | stamen | filament |
Sepals, ___(a)___, stamens and ___(b)___ are the parts of a flower. Stamen is made up of ___(c)___ and ___(d)___ and it represents the ___(e)___ part of the flower. The female part of the flower is called the ___(f)___. The basal, swollen part of the pistil is called the ___(g)___ which contains the ___(h)___.
In vexillary type of aestivation, two lateral petals which overlap the two smallest anterior petals are called ______. This aestivation is characteristic feature of family ______.
