List of top NanoScience Questions on Biological Sciences

Type-1 hypersensitivity involves :
A. Immune complex
B. Cell mediated
C. IgE mediation
D. Antibody dependent cytotoxicity
E. Mast cell Degranulation
Choose the correct answer from the options given below :

A typical animal cell has :
A. Cell membrane
B. Cell wall
C. Permanent vacoule
D. Lysosome
E. Rough Endoplasmic Reticulum (RER) with Ribosomes attached
Choose the correct answer from the options given below :

Means (system) of communication between locations in animals are :
A. Muscular
B. Endocrine
C. Respiratory
D. Nervous
E. Skeletal
Choose the correct answer from the options given below :

Sequence of the developmental events in the life cycle of a frog is :
A. Zygote formation
B. Larva formation
C. Gamete formation
D. Blastula formation
E. Gastrula formation
Choose the correct answer from the options given below :

Arrangement of the following hierarchical level as per Lineal system will be :
A. Domains
B. Family
C. Phyla
D. Orders
E. Classes
Choose the correct answer from the options given below :

Flow of the events occurring in the lifecycle of retroviruses is :
A. Transcription
B. RNA-DNA hybrid formation
C. Reverse transcription
D. Integration
E. Translation
Choose the correct answer from the options given below :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Lobe finned fishes can grip food items and slice them.
Reason (R) : Gnathostomes are 'jaw-mouth' animals.
In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : HIV has a higher mutation rate.
Reason (R) : RNA genomes have much higher mutation rate.
In the light of the above statements, choose the most appropriate answer from the options given below :

Quinolones act on/interfere the :

The amino acid having aromatic R group is :

In Down's Syndrome, there is :

Digestive compartment of eukaryotic cells is :

How many base pairs are in a haploid set of human chromosomes :

CD in Immunology is :

First licensed vaccine generated by reverse vaccinology is :

Etiological agent of Malaria is a :

The opening and closing of stomota is controlled by a hormone called :

Nitrogenase enzyme involved in nitrogen fixation works best in:

The Ti plasmid of Agrobacterium tumefaciens contains a transposon called:

Restriction Endonuclease type I is involved in:

In germ line gene therapy, healthy gene is inserted into:

Which of the following properties is NOT exhibited by TH cells?