Grade 9 MathSciya - Round 1

A      ______     produces a specific quantity when multiplied by itself.

• square root

• sum

• constant

• real number

What are the positive and negative square roots of 36?

• ±2

• ±4

• ±6

• ±1

Which of the following denotes a square root expression?

• ³√𝑏

• 𝑏³

• 〈𝑏〉

• √𝑏

How do you describe (the signs) of the square root of a positive real number?

• positive & positive

• negative & negative

• positive & negative

• none of them

The factored form of 𝑥² – 25 is      ________ .

• (𝑥 − 5) (𝑥 − 5)

• (𝑥  − 5) (𝑥  + 5)

• (𝑥 + 5) (𝑥 + 5)

• (𝑥 + 1) (𝑥 − 5)

What does the circulatory system distributes to the body as it works with the respiratory system?

• Carbon Dioxide

• Nutrients

• Oxygen

• Waste

Which is associated with global warming?

• global warming

• destruction of ozone layer

• acid deposition

• all of these

What type of inheritance pattern is followed when you cross a plant bearing white flower and a red flower producing a pink flower offspring?

• Incomplete Dominance

• Codominance

• Multiple Allele

• Complete Dominance

which of the following does not contribute to global warming?

• Reforestation

• Mining Activities

• Illegal Fishing

• Smoke-belching vehicles

What do you call the hereditary material and is also known as the blueprint of life?

• tRNA

• RNA

• mRNA

• Deoxyribonucleic Acid