The concept of 'Ecological Transition' was first used by -

1) Elton

2) Bennett

3) Berkeley

4) Ratzel

Name the physicist who is credited with the discovery of the Neutron. This 1932 discovery led to his winning the Nobel Prize.

1) Max Plank

2) J.S. Fleming

3) Enrico Fermi

4) James Chadwick

Which of the following network protocols is described by GSM?

1) 2G

2) 3G

3) 4G

4) 5G

Oncology is the study of -

1) Birds

2) Cancer

3) Mammals

4) Soil

With reference to 'Blockchain Technology', consider the following statements -

1. It is a public ledger that everyone can inspect, but which no single user controls.

2. The structure and design of blockchain is such that all the data in it are about cryptocurrency only.

3. Applications that depend on basic features of blockchain can be developed without anybody's permission.

Which of the statements given above is/ are correct?

1) 1 only

2) 1 and 2 only

3) 2 only

4) 1 and 3 only

With reference to Visible Light Communication (VLC) technology, which of the following statements are correct?

1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm.

2. VLC is known as long-range optical wireless communication.

3. VLC can transmit large amounts of data faster than Bluetooth.

4. VLC has no electromagnetic interference.

Select the correct answer using the code given below -

1) 1, 2 and 3 only

2) 1, 2 and 4 only

3) 1, 3 and 4 only

4) 2, 3 and 4 only

With the present state of development, Artificial Intelligence can effectively do which of the following?

1. Bring down electricity consumption in industrial units

2. Create meaningful short stories and songs

3. Disease diagnosis

4. Text-to-Speech Conversion

5. Wireless transmission of electrical energy

Select the correct answer using the code given below -

1) 1, 2, 3 and 5 only

2) 1, 3 and 4 only

3) 2, 4 and 5 only

4) 1, 2, 3, 4 and 5

What is the importance of using Pneumococcal Conjugate Vaccines in India?

1. These vaccines are effective against pneumonia as well as meningitis and sepsis.

2. Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced.

3. These vaccines have no side effects and cause no allergic reactions.

Select the correct answer using the code given below -

1) 1 only

2) 1 and 2 only

3) 3 only

4) 1, 2 and 3

Consider the following statements -

1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent.

2. A person's genome can be edited before birth at the early embryonic stage.

3. Human induced pluripotent stem cells can be injected into the embryo of a pig.

Which of the statements given above is/ are correct?

1) 1 only

2) 2 and 3 only

3) 2 only

4) 1, 2 and 3

The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometers long, with lasers shining between the craft." The experiment in question refers to -

1) Voyager-2

2) New Horizons

3) LISA Pathfinder

4) Evolved LISA

Consider the following activities -

1. Spraying pesticides on a crop field.

2. Inspecting the craters of active volcanoes.

3. Collecting breath samples from spouting whales for DNA analysis.

At the present level of technology, which of the above activities can be successfully carried out by using drones?

1) 1 and 2 only

2) 2 and 3 only

3) 1 and 3 only

4) 1, 2 and 3