3946: The hormone insulin is a:
(a) Glycolipid
(b) Fatty acid
(c) Peptide
(d) Sterol
3947: Consider the following statements:
1. Geological Survey of India (GSI), comes under Ministry of Mines.
2. Archaeological Survey of India (ASI), comes under the Ministry of Culture.
3. Balmer Lawrie comes under the Ministry of Petroleum and Natural Gas.
Which of the above statements is/are true
(a) Only 1 is true
(b) only 2 is true
(c) Both 1 and 2 is true
(d) Neither is true
3948: What is land ceiling?
(a) To fix a land area for irrigation purposes
(b) To fix rural land holdings at the existing level
(c) To fix urban land holdings at the existing level
(d) To fix the quantum of land held by a family
3949: Salinization occurs when the irrigation water accumulated in the soil evapo- rates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?
(a) It greatly increases the crop production.
(b) It makes some soils impermeable.
(c) It raises the water table.
(d) It fills the air spaces in the soil with water.
3950: Three important micronutrients essential for humans are
(a) Copper, zinc and iodine
(b) Zinc, copper and potassium
(c) Nitrogen, molybdenum and iodine
(d) Sulphur, copper and iron