Advertisements
Advertisements
प्रश्न
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
Advertisements
उत्तर
Symbiotic bacteria are present in nodules of pod bearing plants such as peas, grams, etc.
APPEARS IN
संबंधित प्रश्न
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Write down the composition of three main gases present in air by volume.
Name the following:
The product formed when phosphorus burns in oxygen.
Name the main component of air.
Soda bottle bursts sometimes when it is opened during summer. Why?
The amount of water vapour in the air is more in windy places than in other areas.
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
The components of air which are harmful to living beings are ______.
On a Sunday morning Paheli’s friend visited her home. She wanted to see some flowering plants in the nearby garden. Both of them went to the garden. While returning from the garden they also observed some flowering plants on the road side. But to their surprise they found that the leaves and flowers of these roadside plants were comparatively very dull. Can you help them to know why?
