Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
The amount of carbon dioxide in the atmosphere is increasing due to increased human activities like burning of fossil fuels, deforestation, etc. which cause the rise in global temperatures. This global warming result in melting of polar ice caps, floods in coastal areas, disturbance in hydrogenic cycle etc. Thus "Human activities are harmful to the balance of nature".
APPEARS IN
संबंधित प्रश्न
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
Draw a neat diagram of a chloroplast and label its parts.
Where are the chlorophyll pigments present in a cell?
Chlorophyll is necessary for photosynthesis.
Give technical term:
Name only one plant, you are familiar with which has no chlorophyll.
Give technical term:
Name the experiment to demonstrate the importance of light for photosynthesis.
Complete the following sentence with appropriate word:
________ are regarded as complete photosynthetic units of plants.
Choose the Odd One Out
Name two aquatic plants which can be used for the experiment of photosynthesis.
