List of top Biology Questions asked in NEET (UG)

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 :
The genotype of a plant showing the dominant phenotype can be determined by
Vasa eflferentia are the ductules leading from
Infectious proteins are present in
In human female the blastocyst

Which one of the following is one of the characteristics of a biological community?

Chordae tendineae are found in
Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components: (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic reticulum (v) Rough endoplasmic reticulum (vi) Mitochondrial matrix (vii) Cell vacuole (viii) Nucleus The correct components are:
A B C D
(1) (v) (iv) (viii) (iii)
(2) (i) (iv) (viii) (vi)
(3) (vi) (v) (iv) (vii)
(4) (v) (i) (iii) (ii)
Select the correct statement from the following
Which one of following is used as vector for cloning genes into higher organisms ?
Semi-conservative replication of DNA was first demonstrated in
One of the synthetic auxin is
Oxygenic photosynthesis occurs in
An example of axile placentation is
Which one of the following has maximum genetic diversity in India ?
Point mutation involves
Stroma in the chloroplasts of higher plant contains
A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues is
An example of a seed with perisperm and caruncle is
Use of anti-histamines and steroids give a quick relief from -
When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from
A person likely to develop tetanus is immunized by administering :
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Mannitol is the stored food in :
Foetal ejection reflex in human female is induced by :