Question : Red data book contains data of which of the following?

Option 1: All plant species

Option 2: All animal species

Option 3: All endangered species

Option 4: All extinct species

Question : Tides are caused by the gravitational pull of the

Option 1: Earth on the Moon

Option 2: Earth on the Sun

Option 3: Sun and Moon on the Earth

Option 4: Moon on the Earth

Question : The expenditure on the cost of living of a man and his family is 60% of his salary. He gets two increments of 30% and 60% of his salary. If his savings increase by 250% of his initial savings, then the new cost of living expenditure is what percentage (rounded off to the one digit after decimal) of the increased salary?

Option 1: 32.7%

Option 2: 43.6%

Option 3: 29.5%

Option 4: 36.6%

Question : Select the option that expresses the given sentence in active voice.
The story of his uncle’s mysterious disappearance was first heard by Rajat in his childhood.

Option 1: The story uncle heard first time was about Rajat’s mysterious disappearance in his childhood.

Option 2: Rajat first heard the story of his uncle’s mysterious disappearance in his childhood.

Option 3: The story Rajat first heard in his childhood was about his uncle’s mysterious disappearance.

Option 4: Rajat’s first story that uncle heard in his childhood was about his mysterious disappearance.

Question : Who is the father of modern ecology?

Option 1: Robert Brown

Option 2: Charles Darwin

Option 3: E. P. Odum

Option 4: Robert Hook