Question : During fertilisation in living beings, the fusion of male and female gametes takes place to form a cell called:

Option 1: Zygote

Option 2: Ovum

Option 3: Embryo

Option 4: Sperm

Question : Which of the following statements is correct?

Option 1: The transport of male gametes in Gymnosperms occurs through water.

Option 2: The transport of male gametes in bryophytes and pteridophytes occurs through water.

Option 3: The transport of male gametes in bryophytes and pteridophytes occurs through air.

Option 4: The transport of male gametes in angiosperms occurs through water.

Question : If the sum of two quantities is equal to three times their difference, then the ratio of the two quantities is:

Option 1: 1 : 3

Option 2: 3 : 1

Option 3: 2 : 1

Option 4: 2 : 3

Question : Which of the following is also termed as main memory of a computer?

Option 1: RAM

Option 2: ROM

Option 3: Hard disk

Option 4: Compact disk

Question : The ratio of the curved surface area of two cones is 1 : 4 and the ratio of slant height of the two cones is 2 : 1. What is the ratio of the radius of the two cones?

Option 1: 1 : 2

Option 2: 1 : 4

Option 3: 1 : 8

Option 4: 1 : 1