Fundamentals of Biology

The following are the four important reports on extension development:

1. The Royal Commission's report
2. Agricultural Administration Team Report
3. Grow More Food Enquiry Committee Report
4. Nalagarh committee Report

The correct chronological order of these reports is

Ammonia is converted into nitrate by:

How many plants/tree of Amrapali variety of mango could be profitably accommodated, when planted at 5.0 m x 5.0m (square method) per hectare?

In succulent plants the stomata open during the night and close by the day, which of the following would be the best hypothesis to explain in mechanism of stomal action in night only?

What is the amount of ammonium nitrogen and nitrate nitrogen presence in 25 kg of calcium ammonium nitrate (20 % N)

Mitchondria and chloroplast both:

The process of guttation is due to

Identify the correct sequence in which fungitoxic activity of the following were reported:

1. Dithiocarbamates


2. Bordeaux mixture


3. Captan


4. Oxathin derivatives

Which element is involved in bio- synthesis of IAA ?

The effective legume root nodule would include _____

Which one of the following pairs is not correctly matched?

Which one of the following phytohormones controls the apical dominance in plants?

Which is the correct sequence of the floral parts of a pumpkin?

PAR (Photo-synthetically active radiation) is measured in

Which one of the following is a matching pair of certain organism(s) and the kind of association?

Consider the following categories of adopters of an improved practice:

Photo-respiration rate is highest in which group of plants?

Which one of the following pairs is not correctly matched?

The photosynthetically active (PAR) falls in the range of

Spraying of one hectare of cotton crop is done using 500 litres of spray fluid prepared from 3 kg. of carbonyl 50% water dispersible powder. The concentration of active ingredient of carbonyl in the spray fluid is