Science Mcq For Class 10 - 3rd October 2014

1. NaCl is the chemical formula of _______________________.
[A]Ammonia
[B]Water
[C]Sodium Chloride
[D]Hydrogen Peroxide


2. Some soils hold water better than others. The difference is caused by _____________________.
[A]The size of the grains of soil
[B]The heaviness of the grains of soil
[C]The size of the spaces between the grains of soil
[D]The temperature of the water as it enters the soil


3. Mycology is the scientific study of _________________.
[A]Insects
[B]Fungi
[C]Trees
[D]Animals


4. A red pigment found in vertebrate blood that functions in oxygen transport is
[A]Melatonin
[B]Melanin
[C]Chlorophyll
[D]Hemoglobin


5. What is the function of ribosomes in cells?
[A]To control cellular division
[B]To provide energy to the cell
[C]Translate and form lipids
[D]Package lipids