One. True or False Questions (2 points per question)

1. ( ) The vegetables we usually eat at the table are all the "leaves" of edible plants, such as cabbage and spinach. Correct answer: x Because there are also roots, stems, flowers, fruits, and seeds that are all edible parts.
2. ( ) Xiaohua wanted to grow vegetables on the balcony, so he carefully read the instructions on the seed packaging bag to understand the suitable season and growing environment for this vegetable. Correct answer: o
3. ( ) After the vegetable seeds germinate, the first pair of leaves to grow is called "cotyledons", and its shape is different from the leaves that grow later (true leaves). Correct answer: o
4. ( ) In order not to let the water for watering the flowers flow onto the floor and stain the environment, we should choose containers with "no holes at all" for growing vegetables. Correct answer: x Because there must be holes at the bottom, more water will flow out.
5. ( ) In summer, the sun is very strong at noon, and the water evaporates quickly, so "noon" is the best time to water vegetable seedlings. Correct answer: x Noon (10 a,m to 2 pm) in summer is not the best time for watering.
6. ( ) When you find that the vegetable seedlings in the pot are growing too densely, you can use tweezers to pull out some of the seedlings (thinning out) to give the remaining vegetables more room to grow. Correct answer: o
7. ( ) On the vegetable growth record sheet, in addition to recording the height and number of leaves, you can also write down the problems and solutions encountered when caring for vegetables. Correct answer: o
8. ( ) If you are worried that the cabbage you grow will be bitten by insects, you can use a gauze net to cover the entire potted plant, so that insects cannot easily enter. Correct answer: o
9. ( ) The growth process of vegetables has a certain order, after the leaves grow and grow, they will "bloom" first, and then "bear fruit". Correct answer: o
10. ( ) When planting bok choy and tomatoes, we always have to "dig a deep hole" in the soil first, and then sprinkle a handful of seeds into the hole. Correct answer: x Because it is tomatoes (on-demand) that dig holes, and Chinese cabbage is on-demand and do not need to dig

Two. Multiple-choice questions (2 points per question)

1. ( ) Mom was preparing to cook dinner in the kitchen, and she took out a "carrot". Which part of the plant is the main part of the carrot? (1) Root (2) Stem (3) Leaf (4) Fruit Correct answer: 1
2. ( ) Xiaomei wants to use recycled plastic bottles to grow vegetables, which of the following is the least important thing she needs to consider? (1) Whether there are holes in the bottom of the plastic bottle for drainage (2) Whether the place where the plastic bottle is placed is airy (3) Whether the pattern on the exterior of the plastic bottle is cute enough (4) Whether the place where the plastic bottle is placed is sunny. Correct answer: 3
3. ( ) Xiaoqiang is going to use the method of "sowing" to plant bok choy in flower pots, which of the following steps is the most correct? (1) Watering → Sowing → Soil → Soil Covering (2) Soil Filling → Soil Covering → Sowing → Watering (3) Sowing → Soil Loading → Soil Covering → Watering (4) Soil Loading (Loosening) → Sowing → Soil Covering → Watering. Correct answer: 4
4. ( ) Xiaohua is about to plant the seeds of cabbage and tomatoes in the soil, which of the following is incorrect when he sows? (1) Pay attention to whether there is an appropriate distance between the seeds. (2) In order to prevent the seeds from being blown away by the wind, the thicker and tighter the soil covered on the seeds, the better. (3) If you are planting tomatoes, dig holes in the soil before putting the seeds in. (4) Pay attention to whether the depth of the seeds is buried in the soil is just right. Correct answer: 2
5. ( ) The potted vegetables planted in the class were placed by the window, and after a week, everyone found that all the seedlings were growing "bent towards the window side". What living conditions is this for? (1) Plenty of sunlight (2) Fresh air (3) More moisture (4) Abundant fertilizer Correct answer: 1
6. ( ) When Xiaohua was taking care of the vegetable garden, he found many small holes in the leaves of the vegetables, and when he opened the back of the leaves, he saw some insect eggs. Which of the following is the most inappropriate? (1) Catch the insects with your hands or tweezers(2) Spray homemade insect repellent(3) Leave it alone, because the leftover vegetables will be sweeter(4) Scrape off the eggs on the back of the leaves. Correct answer: 3
7. ( ) Which of the following is the correct order regarding the life cycle of plants from sowing to death? (1) Seeds → Flowering → Growing tall and growing → Fruiting (2) Seeds → Sprouting → Growing tall and growing → Flowering → Fruiting(3) Seeds → Fruiting → Germinating → Flowering (4) Seeds → Germinating → Fruiting → Flowering  Correct answer: 2
8. ( ) Nutritious lunch dishes are very rich, please choose the following "vegetable name" and "main parts we eat" based on your understanding of vegetables, choose the correct option to pair with "the main part we eat":(1) potato - leaves (2) daylily - root (3) cabbage - fruit (4) loofah - fruit  Correct answer: 4