Free Agronomy MCQs with Answers

• A. They need very little water to grow
• B. Six crops are harvested in a year
• C. They are disease resistant
• D. Help in nitrogen economy of nature

Explanation: Legumes contain root-nodule bacteria that fix atmospheric nitrogen into forms usable by plants.

• A. Wheat
• B. Maize
• C. Paddy
• D. Barley

Explanation: Wheat is the principal cereal of temperate regions because it is well adapted to their cool growing season and moderate rainfall.

• A. 75 cm
• B. 90 cm
• C. 45 cm

Explanation: A row-to-row spacing of about 75 cm is commonly recommended for cotton, providing adequate room for sunlight, aeration and intercultural…

• A. 10-22 kg
• B. 14-21 kg
• C. 5-6 kg

Explanation: Cotton is commonly sown at about 5–6 kg of seed per acre, although the exact rate changes with seed size, germination percentage and…

• A. Cotton crop research institute
• B. Center for crop research institute
• C. non of these
• D. Central cotton research institute

Explanation: CCRI expands to Central Cotton Research Institute, an institute concerned with cotton research and improvement.

• A. Rabi crop
• B. Kharif crop
• C. Zaid Kharif crop

Explanation: Cotton is a warm-season crop sown and grown mainly during the monsoon season, so it is classified as a Kharif crop.

• A. 2-3 ft
• B. 4-6 ft
• C. 8-10 ft
• D. non of these

Explanation: Cotton develops a deep tap-root system that may reach roughly 4–6 feet under favourable soil conditions.

• A. Pakistan
• B. China
• C. Turkey
• D. non of these

Explanation: Turkey has traditionally ranked among the leading countries for cotton yield per hectare, second in the ranking intended by this question.

• A. 1st
• B. 2nd
• C. 3rd
• D. 4th

Explanation: In the historical ranking used in this question, China was listed as the second-largest cotton-exporting country.

• A. 1st
• B. 2nd
• C. 3rd
• D. 4th

Explanation: The United States has historically occupied the first position among cotton-exporting countries because it combines large-scale production…

• A. 1893 AD
• B. 1880 AD
• C. 1793 AD
• D. 1650 AD

Explanation: Eli Whitney invented the cotton gin, the first important cotton-ginning machine, in 1793.

• A. 1430 AD
• B. 1435 AD
• C. 1530 AD
• D. 1500 AD

Explanation: Cotton is recorded as having been imported into England around 1430 AD.

• A. Central and North America
• B. Central and South America
• C. Central and South Asia
• D. North Mexico and North America

Explanation: Gossypium barbadense, the species that includes Egyptian and Pima cottons, originated in Central and South America.

• A. Hirsutum
• B. Triticum
• C. Gassypium
• D. Hordeunt

Explanation: The cotton genus is correctly spelled Gossypium, although option c has a spelling error as “Gassypium.” Triticum is the wheat genus and…

• A. Malvaceae
• B. Fabaceae
• C. Gramineae
• D. Leguminaceae

Explanation: Cotton belongs to the family Malvaceae, which also includes okra, hibiscus and kenaf.

• A. Sugarcane
• B. Cotton
• C. Sesame
• D. Jute

Explanation: Cotton is Pakistan’s principal natural-fibre and major cash crop, supplying the textile industry.

• A. Fertilizers and pesticides are widely used
• B. Fertilizers and pesticides are net used
• C. Farm yard manure r not used
• D. Green manuring

Explanation: Organic farming avoids synthetic fertilizers and chemical pesticides and relies on practices such as farmyard manure, compost, crop…

• A. Alpine vegetation
• B. Tundra vegetation
• C. Conferous vegetation
• D. None of the above

Explanation: Alpine vegetation occurs near or above the tree line on high mountains and consists mainly of short grasses, herbs and cushion plants.

• A. Mesophytes
• B. Amphibiophytes
• C. Xerophytes
• D. Hydrophytes

Explanation: Mesophytes grow under moderate moisture conditions, neither the severe dryness preferred by xerophytes nor the waterlogged conditions…

• A. Mesophytes
• B. Xerophytes
• C. Hydrophytes
• D. Aridic plants

Explanation: Xerophytes are adapted to arid or drought-prone regions through features such as deep roots, reduced leaves, thick cuticles or water…