What will come in place of (?) in the given expression.

Which combination insect and symptom of damage is wrong?

Give the chronological order in the development of following herbicides

A. Atrazine

B. 2, 4-D

C. Bispyribac Sodium

Keynes' is associated with

In Animal science the term Stag refers to 

Reserpine, a drug is extracted from 

In germination test the commonly used term B P stands for:

Banana is propagated through:

Which is the most suitable method for preserving flowers with high moisture content like roses and carnations?

What is the causal organism of Powdery mildew of Ricinus communis?

What did Erwin Chargaff's research reveal about nucleotide bases?