Mock test grade 5

Which of the following is the prime factorization of 720.

• 2 ✕ 2 ✕ 2 ✕ 2 ✕ 2 ✕ 3 ✕ 3 ✕ 5

• 2 ✕ 2 ✕ 2 ✕ 2 ✕ 2 ✕ 3 ✕ 3 ✕ 3 ✕ 5

• 2 ✕ 2 ✕ 2 ✕ 2 ✕ 3 ✕ 3 ✕ 5

• 2 ✕ 2 ✕ 2 ✕ 2 ✕ 3 ✕ 3 ✕ 3 ✕ 5

HCF of 60 and 72 is:

• 6

• 12

• 8

• 15

Find the HCF of 126 and 180.

• 9

• 18

• 36

• None of the above

The prime factorisation of ___ is 2 × 2 × 3 × 5 × 7

• 480

• 450

• 420

• None of these

Find the prime factorisation of 28

• 3*3*2

• 3*3*4

• 2*2*7

• 2*3*5

1. Poisonous teeth of the snakes are called __________.

• Fangs

•  hood
  

• scales
  

• Pangs

Which of the following is a venomous snake?

• Boa

• Cobra

• Python

• All of the above

I am the second whorl of the flower. I have brightly coloured petals.

Who am I ?

• Calyx

• Corolla

• Stamen

• Carpel

Mark two type of pollinations?

• Central pollination

• Self- pollination

• Cross-pollination

• Root-pollination

How does insect pollination help the insect?

• The insect uses the fertilized seed as food

• The insect uses the plant's nectar as food

• The insect uses the plant's pollen as food

• The insect uses the plant's leaves and petals as food