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Test: How Do Plants Make Their Food- 1
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Test: How Do Plants Make Their Food- 1 - Question 1
The gas released during photosynthesis in plants is:
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 1
- Oxygen is released during the process of photosynthesis.
- Photosynthesis is the process by which green plants produce glucose.
- It involves the conversion of carbon dioxide gas, water, and minerals the plants take in from their surroundings into sugar and gaseous oxygen.
Test: How Do Plants Make Their Food- 1 - Question 2
Which of the following parts of a cactus plant performs photosynthesis?
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 2
- Cactus is a desert plant.
- To prevent (reduce) the loss of water leaves are reduced to spines and the stem is modified to a fleshy part that stores water and performs photosynthesis.
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 3
- In radish, food is stored in roots.
- Storing food in the roots help them to use it during scarcity of food and survive.
- Raddish, Beetroot, Carrot are some more examples of plants in which food is stored in roots.
Test: How Do Plants Make Their Food- 1 - Question 4
Which of the following structures of plant exchanges gases?
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 4
- Leaves have tiny pores called stomata.
- Through the stomata the exchange of gases takes place.
Test: How Do Plants Make Their Food- 1 - Question 5
The stem of a cactus plant prepares food for it. The colour of the stem is
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 5
- Green parts of a plant contain chlorophyll pigment.
- Chlorophyll pigment helps in the synthesis of food.
Test: How Do Plants Make Their Food- 1 - Question 6
Which of these is of great importance in nature as it helps plants to make their own food in the presence of sunlight?
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 6
- Chlorophyll is essential for plants to synthesize its food.
- Plants use Chlorophyll and light to make food.
- Chlorophyll gives green colour to plants.
Test: How Do Plants Make Their Food- 1 - Question 7
In which of the following processes, the release of oxygen by plants takes place?
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 7
- Photosynthesis is the only process that releases oxygen.
Test: How Do Plants Make Their Food- 1 - Question 8
Which of the following is a seed containing stored food?
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 8
- Maize is a cereal.
- Cereals store food in their seeds.
Test: How Do Plants Make Their Food- 1 - Question 9
Which of the following is used to test the presence of starch?
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 9
- Starch turns blue-black when iodine solution is added to it.
- If we add Iodine Solution to Peeled Potato which is a starch, The peeled Potato turns blue- black.
- This confirms the presence of starch in potato.
Detailed Solution for Test: How Do Plants Make Their Food- 1 - Question 10
- The leaves of most plants are green, because the leaves are full of chemicals that are green.
- The most important of these chemicals is called “chlorophyll” and it allows plants to make food.
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