Point mutation involves
insertion
change in the single base pair
duplication
duplication
Which one of the following has maximum genetic diversity in india?
Teak
Mango
Wheat
Wheat
Study the pedigree chart given below.
what does it show?
Inheritance of a sex-linked inborn error of metabolism like phenylketonuria
Inheritance of a condition like phenylketonuria as an autosomal recessive trait
The pedigree chart is wrong as this is not possible
The pedigree chart is wrong as this is not possible
Somaclones are obtained by
tissue culture
plant breeding
irradiation
irradiation
A.
tissue culture
Somaclones are obtained by tissue culture. The plant regenerated from cell and tissue cultures shows heritable variation for both qualitative and quantitative traits.
Plant breeding is the branch of Biology, which is concerned with developing varieties superior to existing ones.
Irradiation means exposure to any form of radiation.
Genetic engineering is defined as the manipulation of genes by man.
Which one of the following is the correct matching of three items and their grouping category?
Items |
Group |
Malleus, incus, cochlea |
Ear ossicles |
Items |
Group |
IIium, ischium, pubis |
Coxal bones of pelvic girdle |
Items |
Group |
Actin, myosin, Rhodopsin |
Muscle proteins |
Items |
Group |
Actin, myosin, Rhodopsin |
Muscle proteins |
Which of the following is a pair of viral diseases?
Ringworm, AIDS
common cold, AIDS
Dysentery, common cold
Dysentery, common cold
Alzheimer disease in humans is associated with the deficiency of
dopamine
glutamic acid
acetylcholine
acetylcholine
Which of the following is not used as a biopesticide?
Trichoderma harzianum
Nuclear Polyhedrosis virus (NPV)
Nuclear Polyhedrosis virus (NPV)
Which one of the following is the most likely reason of not occurring regular menstruation cycle in females?
Fertilisation of the ovum
maintenance of the hypertrophical endometrial lining
Maintenance of high concentration of sex hormones in the blood stream
Maintenance of high concentration of sex hormones in the blood stream