Question Paper Railway TC Clerk
1. Which one of the following substances is likely to be present in the urine of a person suffering from the diseases Diabetes mellitus?
(a) insuline
(b) lactose
(c) Maltose
(d) glucose
Ans. (d)
2. Which one of the following element is present in chlorophyll?
(a) Iodine
(b) Calcium
(c) Iron
(d) Magnesium
Ans. (d)
3. Which one of the following components does not circulate in cyclic manner in an ecosystem?
(a) minerals
(b) water
(c) energy
(d) atmospheric gas
Ans. (a)
4. A patient was not able to digest the fats. It could be because he was not producing
(a) bile juice
(b) ptyalin
(c) amylase
(d) gastric juice
Ans. (a)
5. Which of the following helped the scientists to develop the cell theory
(a) discovery of ribosomes
(b) explanation of DNA structures
(c) identification of the vacuole
(d) invention of the microscope
Ans. (d)
6. One of difference between sexual reproduction and asexual reproduction is that asexual reproduction produces more
(a) differences among individuals in a species
(b) similarly between parent and off spring
(c) variety among off spring of a single parent
(d) similarity among off spring of two parents.
Ans. (d)
7. Tetanus is a disease caused by
(a) fungi
(b) bacteria
(c) virus
(d) protozoa
Ans. (b)
8. A number of organisms are involved in different activities of nitrogen cycle Nitrosomonous and Nitrobactor take part in
(a) Nitrogen fixation
(b) Ammonification and nitrification
(c) denitrigication
(d) immobilization
Ans. (a)
9. Fat molecules are composed of
(a) one molecule of glycerol and two molecules of fatty acids
(b) Two molecules of glycerol and one molecule of fatty acids
(c) one molecule of glycerol and three molecules of fatty acids
(d) one molecules of glycerol and one molecule of fatty acid.
Ans. (c)
10. Nitrogen, phosphorus and potassium are essential for plant growth, they are known as
(a) micronutrients
(b) macronutrients
(c) trace elements
(d) none of these
Ans. (b)
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