16) Which of the following activity is incorrect about the impact of human activities on the ecosystem? Explanation: The ecosystem is disrupted due to human activities, which results in the depletion of ground water, extinction of species, decrease of forest area, and many more. Hence, the correct option is answer (d).
Which one of the following is not direct use of forest products Mcq?
Sealing wax is made from beeswax. So, these are the products of the forest. – Kerosene is not the forest product because it is a fossil fuel. Thus, the correct option is (iv) i.e. Kerosene.
What will be the impact of the absence of ants on the earth?
The study showed that in the absence of ants no other animals can compensate for this role. Therefore, if ants weren’t carrying out waste removal, dead organic material would build up and decompose more slowly in situ creating a more homogenous, less diverse soil environment.
Which of the following statements about the Zoological Survey of India ZSI is true?
2) Which of the following statement about the Zoological Survey of India (ZSI) is true? It was established in 1890 at the Royal Botanical Gardens, Calcutta. It is the first crocodile conservation breeding center in Asia. It was established in 1916 to do an organized survey of fauna in India.
Which of the following element is responsible for groundwater pollution in various states?
Overall, the groundwater is contaminated with the presence of excess nitrate in as many as 386 districts followed by fluoride in 335 districts, iron in 301 districts, salinity in 212, arsenic in 153 districts, lead in 93 districts, chromium in 30 districts and cadmium in 24 districts of different states across India.
Which of the following is not a forest product tick the correct answer?
Gum, plywood and sealing wax are forest products whereas Kerosene is a fossil fuel. So,it’s not a forest product.
Which is not direct use of forest products?
Gum , plywood and sealing wax are forest products . whereas Kerosene is a fossil fuel . So , it’s not a forest product .
How do ants impact the environment?
Ants play an important role in the environment. Ants turn and aerate the soil, allowing water and oxygen to reach plant roots. … These seeds often sprout and grow new plants (seed dispersal). Ants eat a wide variety of organic material and provide food for many different organisms.
How are ants harmful to the environment?
In the garden they destroy harmful pests to your plants by killing small larvae and newly hatched plant-eating bugs. Ants also kill a good percentage of flies, making ants more effective than some pesticides! The typical garden variety ant doesn’t eat plants or actively destroy them like caterpillars do.
What would happen if ants disappeared?
Ants also aid in the decomposition of dead insects and other small animals. According to research, there is increased soil nutrients and organic matter around ants nest. As such, fertile soil improves plants growth rate. The extinction of ant would thus result in reduced plants’ productivity and eventual death.
Which of the following activity can lower the water table *?
Explanation: The ground water table can be lowered by methods like ditches and dumps, well point system, shallow well system, deep well system, vacuum method, electro-osmosis method.
What are the function of the Botanical Survey Zoological Survey and Forest Survey of India?
The Zoological Survey of India founded on 1st July 1916 by Government of India, ministry of environment, forest and climate change. It is a premier Indian organization in zoological research and studies to promote the survey, exploration, and research of the fauna in the country.
Which statement is correct with respect to the food chain Mcq?
Which statement is correct with respect to the food chain? All the chains formed by nutritional relations is used to understand energy flow.