Which among the following statements are not true with respect to Aluminium toxicity?

IBRD (International Bank for Reconstruction and Development) also known as

The deficiency symptom of which of the following nutrient first appears on terminal bud of the plants is

Which of the following fish is known for bubble nest building during breeding?

The formula of gypsum is:

During embryogenesis, the protoderm becomes

The creation of utility by the way of marketing is called as

Curry leaf is 

What does the gravimetric method measure in relation to soil moisture?

What will be the colour reaction with iodine of a plant kept in dark for few days?