Which of the following shows whorled phyllotaxy?

Regeneration of damaged growing grass following grazing is largely due to:

Bicarpellary ovary with obliquely placed septum is seen in:

1. Brassica

2. Aloe

3. Solanum

4. Sesbania

Which is the most common type of embryo sac in angiosperms?

1. Tetrasporic with one mitotic stage of division

2. Monosporic with three sequential mitotic divisions

3. Monosporic with two sequential mitotic divisions

4. Bisporic with two sequential mitotic divisions

From the following, identify the correct combination of salient features of the Genetic Code:

Which scientist experimentally proved that DNA is the sole genetic material in bacteriophage?

1. Beadle and Tatum

2. Messelson and Stahl

3. Hershey and Chase

4. Jacob and Monod

In the process of transcription in Eukaryotes, the RNA polymerase I transcribe -

1. mRNA with additional processing, capping and tailing

2. tRNA, 5 S rRNA and snRNAs

3. rRNAs - 28 S, 18 S and 5.8 S

4. Precursor of mRNA, hnRNA

In which genetic condition, each cell in the affected person, has three sex chromosomes XXY?

1. Thalassemia

2. Klinefelter's Syndrome

3. Phenylketonuria

4. Turner's Syndrome

What initiation and termination factors are involved in transcription in prokaryotes?

1. $\mathrm{\sigma }$ $\mathrm{and}$ $\mathrm{\rho }$, respectively

2. $\mathrm{\alpha }$ $\mathrm{and}$ $\mathrm{\beta }$, respectively

3. $\mathrm{\beta }$ $\mathrm{and}$ $\mathrm{\gamma }$, respectively

4. $\mathrm{\alpha }$ $\mathrm{and}$ $\mathrm{\sigma }$, respectively

Which of the following statements is correct about the origin and evolution of men?