List of top Biology Questions asked in CUET (UG)

A DNA fragment contains 18% Thymine (T). The combined content of Cytosine (C) and Guanine (G) in it would be:

If an E.coli with heavy DNA (N¹⁵) is put in a medium with NH₄Cl[N¹⁴] then, what type of DNA will be obtained after two generations/replications?

Identify the statements which are not true with respect to Heterochromatin.
(A) Loosely packed 
(B) Densely packed 
(C) Stains light 
(D) Transcriptionally active 
Choose the correct answer from the options given below:

ABO blood group is an group is an example of :

Match List I with List - II.

LIST I		LIST II
A	Down's syndrome	I	44+XX/XY
B	Klinefelter's syndrome	II	44+XO
C	Turner's syndrome	III	44+ XXY
D	Normal human	IV	45+XX/XY

Choose the correct answer from the options given below

Leydig cells secrete :

Arrange the following in correct sequence with respect to the events of menstrual cycle:
(A) Development of primary follicle to graafian follicle 
(B) Attainment of peak level in luteinising hormone 
(C) Release of ovum by graafian follicle 
(D) Formation of corpus luteum 
Choose the correct answer from the options given below: 
 

The following are the natural methods of contraception except :

In Vallisneria, the pollination is carried by :

Identify the set of cells which have haploid number of chromosomes ?

Match List I with List - II.

LIST I		LIST II
A	Buds	I	Chlamydomonas
B	Conidia	II	Sponge
C	Gemmules	III	Adverb clause came to meet me
D	Zoospores	IV	Noun

Choose the correct answer from the options given below

In angiosperms, the outer wall of ovary develops into :

_______ is called the functional unit of kidney.

Match List - I with List - II. (Match the Respiratory Organs of Animal)

List - I		List - II
(A)	Lungs	(I)	Birds
(B)	Gills	(II)	Insects centipedes
(C)	Trachea	(III)	Fish
(D)	Airsacs	(IV)	Mammals

Choose the most appropriate answer from the options given below :

Neo Evolution is associated with:

An individual human being has 45 chromosomes, which type of chromosomal disorders he/she is having ?

Arrange the tool families according to the evolution of their use.
(A) Flake tool
(B) Chopper-chopping
(C) Celt
(D) Bone
Choose the correct answer from the options given below:

A child of a mother with blood group A and father with blood group AB will not have the blood group:

Which of the following is associated with the theory of Natural Selection?

The genotypic ratio of monohybrid cross is:

Who coined the term Genotype and Phenotype?

Which of the following can be recycled many times ?

Arrange the following evolutionary theories in chronological order.
(A) Neo-Darwinism
(B) Darwinism
(C) Lamarckism
(D) Synthetic theory of evolution
(E) Neo-Lamarckism
Choose the correct answer from the options given below:

Which of the following diseases belong to Autosomal recessive Mendelian disorder?

Which of the following requires maximum energy?