Worksheet Solutions: Plants | Science Olympiad for Class 1 PDF Download

Multiple Choice Questions (MCQs)

Q.1. Which part of the plant makes food for it?
A. Roots
B. Stem
C. Leaves
D. Flowers
Answer: C
Solution: Leaves make food for the plant through photosynthesis.

Q.2. Which part of the plant grows first when a seed sprouts?
A. Stem
B. Leaves
C. Roots
D. Flower
Answer: C
Solution: The roots grow first to absorb water and nutrients for the plant.

Creepers

Q.3. Which of these plants is a climber?
A. Mango
B. Grapevine
C. Neem
D. Cactus
Answer: B
Solution: Grapevine is a climber as it needs support to grow upwards.

Q.4. Which of these plants give us fruits?
A. Rose
B. Banana
C. Sunflower
D. Tulsi
Answer: B
Solution: Banana is a fruit plant.

Fruit Plants

Q.5. Which plant part is eaten in carrot?
A. Stem
B. Leaf
C. Flower
D. Root
Answer: D
Solution: Carrot is an edible root.

Fill in the Blanks

Q.1. The process of making food in plants is called ______.
Answer: Photosynthesis
Solution: Plants make food through a process called photosynthesis.

Q2: The part of the plant that grows underground and takes water from the soil is called ____.
Ans: "roots"
Solution: 

Q.3. We eat the ______ of the spinach plant.
Answer: Leaves
Solution: Spinach is a leafy vegetable.

Spinach is a leafy vegetable

Q.4. The ______ of a plant absorbs water from the soil.
Answer: Roots
Solution: Roots absorb water and nutrients from the soil.

Q.5. A ______ plant needs support to grow upwards.
Answer: Climber
Solution: A climber like a grapevine needs support to grow upwards.

True or False

Q1: Leaves are like the kitchen of the plant.
Ans: True
Solution: Leaves are responsible for preparing food for the plant through a process called photosynthesis. They use sunlight, water, and carbon dioxide to make food, which is why they are often referred to as the "kitchen" of the plant.

Q2: The stem of a plant is soft like grass.
Ans: False
Solution: The stem of a plant can vary in texture. Some plants, like trees, have hard, woody stems, while others like grass have soft stems. Not all plants have soft stems like grass.

Q3: A creeper plant grows straight up without any support.
Ans: False
Solution: Creeper plants have weak stems and cannot grow straight up. Instead, they spread along the ground or require support to grow, unlike climbers which use support to grow upward.

Q4: All plants are green in color.
Ans: False
Solution: While most plants are green due to chlorophyll, some plants have leaves of different colors like red, purple, or yellow due to the presence of pigments like anthocyanins or carotenoids.

Q5: Fruits have seeds inside them.
Ans: True
Solution: Most fruits contain seeds within them, which help in plant reproduction. For example, apples, oranges, and mangoes all have seeds inside them, though there are some exceptions like seedless grapes.

Fruits have seeds

Match the Following

Ans:
1 - b) Holds the plant in the ground
2 - d) Make food for the plant
3 - a) Help the plant stand tall
4 - c) Grows fruits
5 - e) Contain seeds

Solution:

• Roots hold the plant firmly in the ground and absorb water and nutrients from the soil.
• Leaves are responsible for photosynthesis, which makes food for the plant.
• Stem helps the plant stand tall and transports water, nutrients, and food between the roots and leaves.
• Flowers often grow fruits after pollination and fertilization.
• Fruits contain seeds that allow for the reproduction of the plant.