Adaptations in Cactus
Trending Questions
Why are the leaves reduced to spines in the cactus?
None
To have more flowers.
To lose less water through transpiration.
To absorb more water
- To prevent water loss by transpiration
- Neither A nor B
- To prevent excess photosynthesis
- Both A and B
Which of the following are adaptations of desert plants?
roots are short.
lose very little water through transpiration
lose a lot of water through transpiration
leaves are broad
Leaves are reduced to spines in a cactus plant.
- True
- False
To survive in the winter without food and to conserve energy, some mountain animals
Which of the following is an adaptation in cactus?
Both a and d are correct
Both a and b are wrong
Both b and c are wrong
a is wrong but b is correct
Cacti survive in a desert because:
a. It has a flat green stem to store water and prepare food by photosynthesis.
b. The stem is covered with a thick layer of cuticle, which helps to preserve water.
c. Its roots are distributed on the surface to absorb water.
d. Leaves are modified into spines to prevent loss of water
Both b and c are wrong
Both a and b are wrong
a is wrong but b is correct
Both a and d are correct
In xerophytes, the waxy coating on the epidermis prevents _________.
- Both A and B
- To prevent excess photosynthesis
- Neither A nor B
- To prevent water loss by transpiration
The small surface area of leaves helps the plant in
reducing water loss
sunlight absorption
insects attraction
birds attraction
Statement 1: The leaves in a cactus are modified into spines.
Statement 2: Thick waxy stem and spines reduce water loss through transpiration in a cactus.
- Statement 1: True; Statement 2: True
- Statement 1: False; Statement 2: True
- Statement 1: False; Statement 2: False
- Statement 1: True; Statement 2: False
Why do the plants on a snowy cold mountain and the plants on a hot arid desert appear very different in structure and shape?
Snowy Mountain: Pine Tree
Hot Desert: Cactus Plant
The structure and shape of trees develop according to the surroundings.
So that cacti can survive in snow and pine can survive in a desert.
Pine and other trees that grow in snowy mountains don't need water, they need snow to grow.
Cactus needs more food whereas pine doesn't require much food.
Which of the following is not true regarding the adaptations seen in the stem of a cactus?
Spongy stem
Thin and flexible
Green and takes over functions of leaves
Thick waxy coating
- Spiny leaves
- Broad leaves
- Branched stem
- Fibrous roots
- Spiny leaves
- Fleshy stem
- Thick stem
- Widespread roots
- Bright flowers
- Fragrant sap
- Deep roots
- Modified seeds
Why do the plants on a snowy cold mountain and the plants on a hot arid desert appear very different in structure and shape?
Snowy Mountain: Pine Tree
Hot Desert: Cactus Plant
Pine and other similar trees don't need water, they need snow to grow.
The structure and shape of trees develop according to the surroundings.
Cactus can survive in snow and pine can survive in desert.
There structure and shape is not different.