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
The larynx in humans, also called as the voice box, is used to manipulate
1) Pitch of the voice
2) Volume of the voice
Which of the above is/are correct?
1 only
2 only
Both 1 and 2
None
Plants which are produced in this way are genetically identical to each other and to the parent(s)
Autogamy
Asexual reproduction
Mitosis and meiosis
Allogamy
B4’ – the ‘Brahmaputra Biodiversity and Biology Boat’ intends to save which of the following islands, that is fast eroding?
Havelock
Barren
Majuli
Katchal
Which of the following argument(s) support biological control of pests and plant diseases?
1) Chemical methods of pest control kill both useful and harmful agents indiscriminately.
2) Increased biodiversity furthers plant health.
DDT, which is also known as an insecticide, has adverse affect on ecological health because
It is a persistent organic pollutant.
It increases susceptibility to fungal infection in birds.
It impairs metabolic functions in plants.
It depletes tropospheric ozone.
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