A
Explanation:

Intro : This quiz is designed to help grade 2 students in the USA to understand and practice the key concepts of Mathematics, English, Science,⁤ and Social Studies. So let’s get started!

Q1: What is the smallest whole number?
Options:
A: 0
B : 4⁣
C: -6
D:-10

Explanation: 0 is the ⁤smallest integer ⁤that can be expressed⁢ in whole numbers.

Q2: What is ⁤the⁤ name of the biggest ‌planet in our solar system?
Options:
A: Earth⁣
B : Saturn
C: Mars
D: Jupiter

Explanation: Jupiter is the largest planet in the solar system with a radius⁤ of 69,911 km.

Q3: How many⁢ continents are there?
Options:
A: 4 ‌
B : 6
C:‌ 9
D: ‍5

Explanation: There are ​5 major continents in ‌the world – Africa, Antarctica, Asia,​ Australia, and‌ North and South America.

Q4: How many bones are in the human⁢ body?
Options: ‌
A: 206
B : 205
C: ‍200
D: ⁢100

Explanation: An adult human body typically has 206 bones, ⁢of which 80 form the skull and the rest are located​ in the arms, legs, and ⁣torso.

Q5: What is the capital of the USA
Options:
A: Chicago
B : Los Angeles
C: Washington DC ⁤
D: New York

Explanation: The capital of the USA is Washington DC, located on the east coast of the ⁢country in the District of Columbia.

Q6: What is the name of the process through which plants make food?
Options:
A:‌ Photosynthesis
B : Transpiration
C: Respiration
D: Metamorphosis

Explanation: Photosynthesis is a process where plants‌ produce their food using light energy, ‍carbon dioxide, ‍and water.

Q7: How many sides ‍does a triangle ⁣have?
Options:
A:‌ 5
B : 4
C: 3
D: 2

Explanation: A triangle has three sides and‍ three angles.

Q8: What is ⁤the‌ process of changing from a caterpillar to a butterfly called?
Options:
A:‍ Handspansion ⁣
B : ⁤Metamorphosis
C: Replication
D: growth

Explanation:‍ Metamorphosis is the process of changing⁢ from a caterpillar to a butterfly which involves huge transformation in its body.

Q9: What is capital⁢ of France? ⁢
Options:
A: Berlin⁢
B : Frankfurt
C: Paris
D: Rome

Explanation: Paris is the ⁣capital of France, located on the⁢ Seine River in central Europe.

Q10: How many colors​ are there in a ‌rainbow?
Options:
A: 6
B ⁤: 8
C: 5
D: 7

Explanation: A rainbow consists of 7 colors – red, orange, ⁢yellow,⁤ green, blue, indigo, and violet.

Q11: What temperature does water usually freeze at?‌
Options:
A: 0 degrees
B : -20 degrees
C:‍ 20 degrees
D: -40 degrees

Explanation: The ‍temperature at which water usually freezes is 0 degrees Celsius or 32 degrees ⁢Fahrenheit.

Q12: ‌What‌ is‌ something that ⁣goes up but never comes down?
Options:
A: Heat
B : Rainfall
C: Age
D: Snow

Explanation: Age is something that goes up, but never comes down, ‍no matter how hard we try.

Q13: What is the⁤ shape of⁢ the⁤ Earth?⁣
Options:‍
A: Cube
B ⁢: Pyramid
C: Sphere
D: Rectangle

Explanation:​ The shape of the Earth is a nearly ⁢spherical shape due to its⁣ rotation and gravitational pull.

Q14: How many days are there in a week?
Options:
A: 4
B : 6
C:​ 8
D: 7

Explanation: There are 7 days in a week – Sunday, Monday, Tuesday, Wednesday, ​Thursday, ‍Friday, and Saturday.

Q15: What does a calligrapher do?
Options:
A: Records history ⁤
B : Writes with a pen
C: Writes⁢ in cursive
D: Draws

Explanation: A calligrapher is an artist who‍ writes with a pen or brush on different ​types of surfaces.

Q16: What is the purpose of a microscope?
Options:
A: To magnify objects
B : ​To translate languages
C: To view microscopic organisms
D: To measure distance

Explanation:⁣ The purpose of‌ a microscope is to magnify objects like cells, tissues, and other small objects, so they can be seen more clearly.

Q17: Who is the ‌president of USA?
Options:
A: Barack Obama
B ‍: Joseph Biden
C: Donald Trump ⁤
D: George Washington

Explanation: Donald ⁢Trump is ‍the current president‍ of the United States of America.

Q18: What are ⁤the three primary colors?
Options: ‍
A: Blue, Green,​ White
B ‌: Blue, Yellow, ⁢Green
C: Green, White, Black ⁢
D: ‍Red, Yellow, Blue

Explanation: The three ‍primary colors are red, yellow, and blue. All⁤ other colors ⁤can be made by mixing these ​colors together.

Q19: What is the opposite of night?
Options:
A: Afternoon
B : Evening
C: Day
D: Morning