Advertisements
Advertisements
Question
Photosynthesis cannot take place at night.
Advertisements
Solution
Photosynthesis requires sunlight which is not available at night time. Therefore the process stops at night.
APPEARS IN
RELATED QUESTIONS
Explain the following giving an example.
Pure substance
State the various conditions that favour the process of evaporation.
Classify the following changes as physical or chemical:-boiling
Fill in the blank.
Growing of a seedling into a plant is _______ change.
State whether the following is physical or chemical changes.
glowing of a bulb -
State whether the following is physical or chemical changes.
burning of sugar —
What is a chemical change ? Give two examples of chemical changes.
Which of the following are physical changes ?
- melting of iron metal
- rusting of iron metal
- bending of an iron rod
- drawing a wire of iron metal
Fill in the blank with the appropriate word of the statement given below:
Germination of seeds is considered a __________ change.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
