Which of the following statements are correct regarding the Para Rubber tree (Hevea brasiliensis)?

1.It belongs to the family Euphorbiaceae.

2.Latex is obtained primarily from the xylem vessels of the tree.

3.The process of harvesting latex is known as 'tapping'.

4.Vulcanization involves heating rubber with sulfur to improve its elasticity and strength.

Choose the correct answer from the options given below:

TLS Online TPP Program

#Question id: 5072

#Zoology

Movement of epithelial cells as a unit to enclose deeper layers of the embryo. This type of cell movement during gastrulation occur in:

TLS Online TPP Program

#Question id: 5073

#Zoology

The emergence of the polarity of an embryo is the result of:

TLS Online TPP Program

#Question id: 5074

#Zoology

The "mid-blastula transition" is the point in development when:

TLS Online TPP Program

#Question id: 5075

#Zoology

Which of the following developmental processes has been most recently completed in the amphibian embryo shown here?

 

TLS Online TPP Program

#Question id: 5239

#Biochemistry

Which of the following statements is not true for Hfr strains of E. coli ?

TLS Online TPP Program

#Question id: 5240

#Biochemistry

If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?