Biotechnology

Q.

Which of the following is/are correct?

I. Biowar is the use of biological weapons against humans and/or their crops and animals.

II. Bioethics is the unauthorised use of bioresources and traditional knowledge related to bioresources for commercial benefits.

III. Biopatent is exploitation of bioresources of other nations without proper authorisation.

1. Only II

2. Only I

3. I and II

4. I and III

5. II and III

Q.

Which of the following is not true about antibodies?

1. Antibodies have multiple antigen binding sites.

2. Antibodies are built from equal number of large (heavy) and small (light) chains.

3. The class of antibody molecule is determined solely by its heavy chain.

4. Antibodies are secreted and function away from the cell. They are not bound to the cell membrane.

Q. What is apoptosis kindly explain with eg.

Q.

One of the following pairs is incorrect

1. Plasmid – small piece of extrachromosomal DNA in bacteria

2. Interferon – an enzyme that interferes with DNA replication

3. Cosmid – a vector for carrying large DNA fragments into host cells.

4. Myeloma – antibody producing tumor cells.

Q.

WHAT IS BIO WAR.