Which one of the following techniques is safest for the detection of cancer?

• Magnetic Resonance Imaging (MRI)

• Radiography (X -ray)

• Computed Tomography (CT)

• Computed Tomography (CT)

Signal from fully developed foetus and placental ultimately lead to parturition which requires the release of 

• oestrogen fro placenta

• oxytocin from maternal pituitary

• oxytocin from foetal pituitary

• oxytocin from foetal pituitary

In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the

• ribosomes

• nucleus

• dictyosomes

• dictyosomes

44.

In human female, the blastocyst

• forms placenta even before implantation

• gets implanted into uterus three days after ovulation

• gets nutrition from uterine endometrail secreation only after implantation

• gets nutrition from uterine endometrail secreation only after implantation

The Indian rhinoceros is a natural inhabitant of which one of the Indian states?

• Uttarakhand

• Uttar Pradesh

• Himachal Pradesh

• Himachal Pradesh

Secretions from which one of the following are rich in fructose, calcium and some enzymes?

• Male accessory glands

• Liver

• Pancreas

• Pancreas

A person suffering from a disease caused by Plasmodium experiences recurring chill and fever at the time when the

• sporozoites released from RBCs are being rapidly killed and broken down inside spleen

• trophozoites reach maximum growth and give out certain toxins

• Parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs

• Parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (A-D) in the regard and select the correct option about which one or more of these can be used as a vector/vectors

A) A bacterium
B) Plasmid
C) Plasmodium
D) Bacteriophage

• A, B and D only

• A only

• A and C only

• A and C only

Which one of the following cannot be used for the preparation of vaccines against plague?

• Formalin - inactivated suspensions of virulent bacteria

• Avirulent live bacteria

• Synthetic capsular polysaccharide material

• Synthetic capsular polysaccharide material

The fruit fly, Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because

• It reproduces parthenogenetically

• a single mating produces two young files

• smaller female is easily recognisable from larger male

• smaller female is easily recognisable from larger male