Q.1. Amongst the following which is the food preservative?
(1) Celphos
(2) Calcium cyanamide
(3) Sodium benzoate
(4) Potassium permanganate
(5) Tartrazine
Q.2. An apple tree gives the fruits after
(1) 5 years of planting
(2) 3 years of planting
(3) 2 years of planting
(4) 8 years of planting
(5) 10 years of planting
Q.3. Botanical name of carnation is
(1) Celosia cristata
(2) Tagetis errecta
(3) Dianthus catyophyllus
(4) Centuria cyanus
(5) Both 1 and 2
Q.4. Muscat red is a variety of
(1) Grapes
(2) Pomegranate
(3) Plums
(4) Apple
(5) Mango
Q.5. Plant bearing male and female flowers is called
(1) Monoecious
(2) Monophrodite
(3) Bisexual
(4) Hermophrodite
(5) Both 1 and 3
Q.6. Which hormone is found in ripened fruits
(1) Ethylene
(2) Auxin
(3) Gibberellins
(4) IAA
(5) Cytokinins
Q.7. A vertical section of soil body which shows different layers is known as
(1) Soil horizons
(2) Soil profile
(3) Regolith
(4) Parent material
(5) Both 3 and 4
Q.8. Active soil forming factors include
(1) Vegetation and topography
(2) Time, topography and climate
(3) Time and vegetation
(4) Vegetation and climate
(5) Time and climate
Q.9. Available phosphorus of less than 10 kg/ha of soil is considered as tubules as organs of
(1) Low
(2) Medium
(3) High
(4) Trace
(5) Constant
Q.10. Azotobacter sp. fix atmospheric nitrogen
(1) As symbionts on sugarcane
(2) As symbionts on rice
(3) As symbionts on legumes
(4) In free soil
(5) Both 2 and 3
Answers:
Q.1 (3)
Q.2 (1)
Q.3 (3)
Q.4 (2)
Q.5 (1)
Q.6 (1)
Q.7 (2)
Q.8 (2)
Q.9 (1)
Q.10 (4)
