Science Quiz for Class 5 | 25 Important Questions | Age 8 to 10 Years Old | GK Quiz | Grade 5

In this video, 25 important science questions for the class 5 are included. This will be very helpful for the 5th-standard students and teachers for quiz competition preparation.
Below are the questions included in the video:
What is any substance that has mass and takes up space by having volume called?
Which one of the below is an invertebrate animal?
Which theory explains the origin of the universe?
What is the study of fish called?
What is sodium chloride commonly known as?
Which vitamin is called the "Sunshine Vitamin"?
When is World Environment Day celebrated every year?
Which acid is present in lemons?
What is the pH of pure water?
Which kind of animals can live both in water and on land?
What is the speed of sound in dry air at 20 °C?
Which is the tallest grass in the world?
Which one of the below is a true fish?
Which is the second largest organ of the human body?
Which one of the below diseases is associated with the lungs?
Which instrument is used to measure wind speed?
Which one of the below is an egg-laying mammal?
Which is the smallest unit of matter?
Which is the chemical formula of water?
How many hearts does an octopus have?
Which of the following is not an aquatic mammal?
Which is the longest and the strongest bone in the human body?
Which is the fourth state of matter?
Who is often referred to as the "Father of the Periodic Table"?
Which is the most abundant gas in the Earth's atmosphere?