Question : What is the term used for pollination by wind?

Option 1: Endophily

Option 2: Siciophily

Option 3: Anemophily

Option 4: Angioplasty

Question : If $a^2+b^2+1=2 a$, then the value of $a^4+b^7$ is:

Option 1: 1

Option 2: 0

Option 3: 2

Option 4: 4

Question : A large number of identical plants can be obtained in a short period through

Option 1: large number of seeds of a single plant

Option 2: stem cuttings

Option 3: tissue culture technique

Option 4: hydroponics method

Question : Three cars travelled a distance in the ratio 1 : 2 : 3. If the ratio of the time of travel is 3 : 2 : 1, then the ratio of their speed is:

Option 1: 3 : 9 : 1

Option 2: 1 : 3 : 9

Option 3: 1 : 2 : 4

Option 4: 4 : 3 : 2

Question : If $ (a-b):(b-c):(c-d) =1:2:3$, then what is the value of $(a + d):c$ ?

Option 1: $1:2$

Option 2: $2:1$

Option 3: $4:1$

Option 4: $3:1$