Level 9 - Chap 15 -Improvement in food resources

Which of the following is not macro-nutrient?

• Iron

• Potassium

• Nitrogen

• Phosphorus

Xanthium and Parthenium are

• Cash crops

• Cereals

• Vegetables

• Weeds

The branch of agricultural science dealing with production of field crops and management of the soil is called

• Genetic engineering

• Agronomy

• Anatomy

• Astronomy

The Principal cereal crop of India is

• Sorghum

• Maize

• Rice

• Wheat

Identify the macronutrient-

• Boron

• Zinc

• Sulphur

• Copper

M. S. Swaminathan is regarded as father of

• Genetics

• Physiology

• Ecology

• Economic – Ecology

Who is known as the father of white revolution in India?

• Mrs. Indira Gandhi

• Shri Jai PrakashNarain

• Prof. M.S Swaminathan

• Dr. V. Kurien

The unwanted plants which grow with main crops are called

• Weeds

• Crops

• Grasses

• Herbs

Growing two or more crops but in the definite row pattern is known as

• Mixed cropping

• Crop rotation

• Intercropping

• All of these

Root nodules of leguminous Plants contain

• Anabaena

• Mycorrhiza

• Rhizobium

• Azolla