Tobacco plant has been made resistant to the tobacco mosaic virus by :
(1) introducing T-DNA of Agrobacterium
(2) introducing a gene for virus coat protein
(3) introducing meristematic activity in somatic cells
(4) applying newer generation pesticides to the crops
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
I. THC 1. Marijuana
II. Barbiturates 2. Sedative
III. Diacetylmorphine 3. Smack
IV. LSD 4. hallucinogen
Codes:
I II III IV
A. 1 2 3 4
B. 2 1 4 3
C. 2 1 3 4
D. 1 2 4 3
The receptors for the drug shown below are located in:
1. | CNS and CVS | 2. | CVS and GIT |
3. | CNS and GIT | 4. | CNS and PNS |
Common cold is not cured by antibiotics because it is
1. caused by a Gram-negaive bacterium
2. not an infectious disease
3. viral disease
4. caused by a Gram-positive bacterium
Maturation of lymphocytes takes place in
(1) thymus
(2) Bone marrow
(3) Liver
(4) Both 1 and 2
Which of the following represents the form of Plasmodium that is released from the erythrocyte by lysis?
1. Trophozoite
2. Schizont
3. Merozoite
4. Macrogametocyte
Which of the following is very effective sedative and pain killer?
1. Cocaine.
2. Heroin.
3. Morphine.
4. Cannabis extract.
Cellular oncogenes can be best explained as
1. Mutated gene.
2. Present in normal cells.
3. Present only in the cells of benign tumour.
4. Genes due to which cells loose the property of contact inhibition.
Vaccines are available for the disease like
I. Polio.
II. Diphtheria.
III. Pneumonia.
IV. Tetanus.
1. I, II, III & IV
2. I and IV only
3. I only
4. I, II & IV only
Odd one out?
1. PMNL-neutrophils.
2. Monocytes.
3. Natural killer cells.
4. Interferons.