Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Ecological balance may be disturbed due to the
1) Introduction of new species
2) Natural hazards
3) Anthropogenic pollution
Select the correct answer using the codes below.
1 only
2 only
2 and 3 only
1, 2 and 3
Consider the following statements. Assertion (A): The more the variety of species in an ecosystem, the more stable the ecosystem is likely to be. Reason (R): Genetic diversity is essential for a healthy breeding of and provision of a variety of services between a population of species.
In the context of the above, which of these is correct?
A is correct, and R is an appropriate explanation of A.
A is correct, but R is not an appropriate explanation of A.
A is correct, but R is incorrect.
Both A and R are incorrect.
Which of the following best defines the Biosphere?
It is the upper region of lithosphere.
It is the is the narrow zone where land, water and air come together to contain life forms.
It is the lower atmospheric region near the hydrosphere.
It is the abiotic component of all forms on earth.
This bird species is endemic to India, where it occurs in two isolated populations, one in Western India and the other in Eastern Ghats. The latest Indian Birding Fair at Rajasthan has been dedicated to this species. It is
White Naped Tit bird
Blue-toothed Shrew
Siberian crane
Great Indian bustard
Consider the following about Chiru, which is also known as the Tibetan antelope.
1) It is hunted for its underfur, Shahtoosh.
2) At present, international trade in their products is strictly prohibited.
3) It has recently been ascribed the status of ‘Critically Endangered’ by IUCN.
1 and 2 only
1 and 3 only
.jpg)
