Q1. Which of the following human activities impact environment?
(b) Manufacturing industry
(c) Hunting of animals
(d) All of the above
Q2. Abiotic environment will not include
Q3. The group of organisms which convert light to food are called
Q4. Which of the following is a non-biodegradable substance?
a) Virgin plastic
d) Plant producers
Q5. If some waste material contaminate the source of drinking water, which of the following diseases can be caused?
Q6. Which of the following substances will help in reducing the atmospheric burden of Suspended Particulate Matter (SPM)?
(a) Carbon monoxide
(c) Carbon dioxide
Q7. Which of the following wastes cannot be decomposed by bacteria to form compost?
(a) Used polythene bags
(b) Kitchen wastes
(c) Dead trees
(d) Bodies of dead animals
Q8. When a tree is cut, the amount of oxygen in the nearby environment
(c) remains the same
(d) Any of these
Q9. What is the name given to rain which contains chemical waste and cause damage to plant and animal life?
(a) Seasonal rain
(b) Monsoon rain
(c) Acid rain
Q10. Which of the following terms will best describe a substance that can be broken down by microorganisms like bacteria?
(c) Environment friendly