BPSC Prelims 2011 Solved Paper (Part 10 of 15)

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1. What soil particles are present in loamy soils?

   1. Sand particles

   2. Clay particles

   3. Silt particles

   4. All types of particles

   Answer: d

2. A single type of atom is found in

   1. compounds of minerals

   2. mixture of minerals

   3. native elements

   4. None of the above

   Answer: c

3. Soil water available to plants is maximum in

   1. clayey soil

   2. silty soil

   3. sandy soil

   4. loamy soil

   Answer: c

4. Capillaries are most effective in

   1. clayey soil

   2. silty soil

   3. sandy soil

   4. loamy soil

   Answer: c

5. Photosynthesis occurs in

   1. nucleus

   2. mitochondria

   3. chloroplast

   4. peroxisome

   Answer: c

6. Continents have drifted apart because of

   1. volcanic eruptions

   2. tectonic activities

   3. folding and faulting of rocks

   4. All of the above

   Answer: c

7. Which of the following do not belong to solar system?

   1. Asteroids

   2. Comets

   3. Planets

   4. Nebulae

   Answer: c

8. Table salt (NaCl) is a product of

   1. weak acid and weak base

   2. strong acid and strong base

   3. weak acid and strong base

   4. strong acid and weak base

9. Sexual reproduction causes genetic variation because of

   1. blending of genes

   2. chromosomal changes

   3. Shuffling of genes

   4. All of the above

   Answer: d

10. Average salinity of water of Arabian Sea is

    1. 25 ppt

    2. 35 ppt

    3. 45 ppt

    4. 55 ppt

    Answer: c