| List - I | List – II | ||
| A. | Chiasmata formation | i. | Pachytene |
| B. | Crossing over | ii. | Diakinesis |
| C. | Synaptonemal complex formation | iii. | Diplotene |
| D. | Terminalisation of chiasmata | iv. | Zygotene |
A. Chiasmata formation: Chiasmata, the points where homologous chromosomes cross over, become visible during Diplotene. A-III
B. Crossing over: Crossing over, the exchange of genetic material between homologous chromosomes, occurs during Pachytene. B-I
C. Synaptonemal complex formation: The synaptonemal complex, a protein structure that facilitates homologous chromosome pairing, forms during Zygotene. C-IV
D. Terminalisation of chiasmata: Terminalisation, the movement of chiasmata towards the ends of the chromosomes, occurs during Diakinesis. D-II
| 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 of the following microbes is NOT involved in the preparation of household products?
A. \(\textit{Aspergillus niger}\)
B. \(\textit{Lactobacillus}\)
C. \(\textit{Trichoderma polysporum}\)
D. \(\textit{Saccharomyces cerevisiae}\)
E. \(\textit{Propionibacterium sharmanii}\)
| List - I | List – II | ||
| A. | Cells are metabolically active and proliferate | i. | \(G_2 phase\) |
| B. | DNA replication takes place | ii. | \(G_1 phase\) |
| C. | Proteins are synthesised | iii. | \(G_0 phase\) |
| D. | Quiescent stage with metabolically active cells | iv. | S phase |
Given below are two statements:
Statement I: During G0 phase of cell cycle, the cell is metabolically inactive.
Statement II: The centrosome undergoes duplication during S phase of interphase.
In the light of the above statements, choose the most appropriate answer from the options given below:
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: