1. A dividing and undifferentiated mass of cells is called
A Callus
B Embryo
C Explant
D Zygote
ANSWER : A
2. Advancement in genetic engineering has been possible due to the discovery of
A Oncogenes
B Transposons
C Restriction endonuclease
D Exonucleases
ANSWER : C
3. Agarose extracted from sea weeds finds use in
A Gel electrophoresis
B Spectrophotometry
C Tissue culture
D PCR
ANSWER : A
4. Continuous addition of sugars in 'fed batch' fermentation is done to
A Degrade sewage
B Produce methane
C Obtain antibiotics
D Purify enzymes
ANSWER : D
5. Which purine is found in RNA?
A Guanine
B Cytosine
C Thymine
D Uracil
ANSWER : A
6. DNA fingerprinting was discovered by
A James Watson
B Alec Jeffreys
C Frederick Fanger
D Hargobind Khorana
ANSWER : B
7. DNA is found in
A Chromosomes
B Plastids
C Mitochondria
D All of the above
ANSWER : D
8. Dolly, The first cloned mammal, was produced by
A Parthenogenesis
B Artificial fertilization
C Replacement of zygote nucleus by somatic nucleus
D in vitro fertilization
ANSWER : C
9. Embryo culture is used for
A Establishing suspension culture
B Recovery of inter specific hybrids
C Somatic hybridization
D Haploid production
ANSWER : B
10. First artificial gene was synthesized by
A Nirenberg
B Mendel
C Morgan
D Khorana
ANSWER : D
11. Genetic Engineering is
A plastic surgery
B addition or removal of genes
C study of extranuclear genes
D all of the above
ANSWER : B
12. Genomics is the study of
A Genes in general
B Human genes
C Genomes in general
D Human genome
ANSWER : C
13. Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5' ______ GAATTC ________ 3' 3' _____CTTAAG ________ 5'
A Palindromic sequence of base pairs
B Replication completed
C Deletion mutation
D Start codon at the 5' end
ANSWER : A
14. Maximum number of existing transgenic animals is of
A Pig
B Fish
C Mice
D Cow
ANSWER : C
15. One of the following processes involves southern blotting technique
A rDNA technology
B DNA finger printing
C production of transgenic plants
D formation of suspension culture
ANSWER : B
