Environment & Ecology - MOST IMPORTANT DDA JSA Previous Year Questions
Practice real questions from previous year exams of DDA JSA.
According to India State of Forest Report 2021 which of the following state of India has maximum area percentage under forest cover?
Which of the following statement is correct?
I. Areas of heavy rainfall have more dense vegetation as compared to other areas of less rainfall.
II. The eastern slopes of the Western Ghats are covered with thick forests but not the western slopes.
Absorption of water by plant roots is an example of _______.
Which of the following biosphere reserve is extended in three states of India?
Which of the following statement is correct?
I. The difference in pressure over Tahiti in pacific ocean and Darwin in northern Australia is computed to predict the intensity of monsoons in India.
II. If the pressure difference between Tahiti and Darwin is positive it would mean below average and late monsoon in India.
According to India State of Forest Report 2021 which among the following Indian state has more than 75 percent of geographical area under forest cover?
Based on the following statements, identify the type of vegetation from the given options.
I. Here, trees, shrubs, and creepers of all kinds grow.
II. These forests are well developed in areas with more than 200 cm of annual rainfall.
India has partnered with which US state for ZEV (zero-emission vehicles) Policy programme?
In which of the following vegetation zone the mean temperature in January lies between 10°C to 18°C?
Which of the following pair is correctly matched?
I. Plants – Unicellular
II. Paramecium – Multicellular
Which of the following statement is correct?
I. The variation in duration of sunlight at different places is due to differences in latitude, altitude, season and the duration of day.
II. Due to longer duration of sunlight trees grow faster in summer.
Dudhwa National Park is present in which of the following state?
Nanda Devi biosphere reserve is located in which of the following state of India?
The region which is a major source of water and forest wealth in India is _______.
In August 2024, India added ___ new wetlands to its Ramsar Sites list, making a total of 85.
Which of the listed trees is typically found in the temperate region of the Western Himalayas?
Which of the following statements is/are correct about tropical evergreen forests?
A. These forests are restricted to heavy rainfall areas of the Western Ghats and the island groups of Lakshadweep, Andaman and Nicobar, upper parts of Assam and the Tamil Nadu coast.
B. There is no definite time for trees to shed their leaves. As such, these forests appear green all year round.
C. Since the region is warm and wet throughout the year, it has luxuriant vegetation of all kinds — trees, shrubs and creepers — giving it a multilayered structure.
What is the name of the online dredging monitoring system launched by Sarbananda Sonowal on 9th June 2023 in order to accelerate the ‘Waste to Wealth’ initiative of the Ministry of Ports, Shipping and Waterways?
Which of the following is/are true about The Thorn Forests and Scrubs?
A. This type of vegetation is found in the north-western part of the country.
B. Silver fir, junipers, pines and birches are the common trees of these forests.
C. Trees are scattered and have long roots penetrating deep into the soil in order to get moisture.
Virgin vegetation that is purely Indian can be termed as ‘_____’ species.