What will be come in place of (?) in the given number

Which of the following can be considered a case of non- Mendelian inheritance?

Pineapple is a false fruit and is formed from 

The  Upper limit of available water is ______

Variation within a pureline is due to

Vegetatively propagated crops are usually:

Wings are absent in

Male sterility is extensively used in the hybrid seed production of which vegetable crop?

1 acre is equal to?

Give the chronological order in the development of following herbicides

A. Atrazine

B. 2, 4-D

C. Bispyribac Sodium

 There is true alternation of generation shown by cnidarians called as