| List-I | List-II |
| A. Biodiversity hotspot | I. Khasi and Jantia hills in Meghalaya |
| B. Sacred groves | II. World Summit on Sustainable |
| C. Johannesburg South Africa | III. Parthenium |
| D. Alien species invasion | IV. Western Ghats |
A. Biodiversity hotspot: The Western Ghats is a recognized biodiversity hotspot. A-IV
B. Sacred groves: Sacred groves are forest fragments traditionally protected by local communities. They are often found in the Khasi and Jantia hills of Meghalaya. B-I
C. Johannesburg, South Africa: The World Summit on Sustainable Development 2002 was held in Johannesburg, South Africa. C-II
D. Alien species invasion: Parthenium (commonly known as congress grass) is an invasive alien species in India. D-III
| List I | List II |
|---|---|
| A. The Evil Quartet | III. Causes of biodiversity losses |
| B. Ex situ conservation | I. Cryopreservation |
| C. Lantana camara | II. Alien species invasion |
| D. Dodo | IV. Extinction |

Which are correct?
A. Computed tomography and magnetic resonance imaging detect cancers of internal organs.
B. Chemotherapeutic drugs are used to kill non-cancerous cells.
C. \( \alpha \)-interferon activates the cancer patients' immune system and helps in destroying the tumour.
D. Chemotherapeutic drugs are biological response modifiers.
E. In the case of leukemia, blood cell counts are decreased.
Choose the correct answer from the options given below:
Among ‘The Evil Quartet’, which one is considered the most important cause driving extinction of species?
A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is :
Which of the following statements are true?
A. Unlike Ga that has a very high melting point, Cs has a very low melting point.
B. On Pauling scale, the electronegativity values of N and C are not the same.
C. $Ar, K^{+}, Cl^{–}, Ca^{2+} and S^{2–}$ are all isoelectronic species.
D. The correct order of the first ionization enthalpies of Na, Mg, Al, and Si is Si $>$ Al $>$ Mg $>$ Na.
E. The atomic radius of Cs is greater than that of Li and Rb.
Choose the correct answer from the options given below:
AB is a part of an electrical circuit (see figure). The potential difference \(V_A - V_B\), at the instant when current \(i = 2\) A and is increasing at a rate of 1 amp/second is: