List of top Biology Questions asked in CUET (UG)

Which of the following is not true about rainforests ?

Match List I with List II

LIST I		LIST II
A	PGPR	I	Bacillus sps, Nitrobacter
B	Cyanobacteria	II	Rhizobium, Azorhizobium
C	Biological Nitrogen Fixation	III	Pseudomonas fluorescens
D	Phosphate solubilizing bacteria	IV	Anabaena, Nostoc

Choose the correct answer from the options given below:

Which of the following gases absorb infrared radiation emitted from the Earth's surface?
(A) $SO_2$
(B) $N_2O$
(C) $NO_2$
(D) $CO_2$
(E) $H_2O$  vapor
Choose the correct answer from the options given below:

For any development project it is expected to do a survey of its effect on the surrounding ecosystem. This process is known as:

Xerarch is

In mRNA, vaccine, what is the meaning of 'm' :

The collection of Male Reproductive Part of a flower is called :

Match List I with List II

List I		List II
(A)	RNA Polymerase II	(I)	28 srRNA
(B)	RNA Polymerase I	(II)	hn RNA
(C)	Ribozome	(III)	5 srRNA
(D)	RNA Polymerase III	(IV)	23 srRNA in bacteria

Choose the correct answer from the options given below:

Match List I with List -II

List-I  (Disease)		List-II  (Pathogen)
(A)	Pneumonia	(I)	Salmonella typhi
(B)	Typhoid	(II)	Plasmodium falciparum
(C)	Malaria	(III)	Wuchereria bancrofti
(D)	Filariasis	(IV)	Haemophilus influenzae

Choose the correct answer from the options given below

Match List - I with List - II.

List - I		List - II
(A)	Aspergillus niger	(I)	Cyclosporin - A
(B)	Trichoderma polysporum	(II)	Ethanol
(C)	Lactobacillus	(III)	Citric acid
(D)	Saccharomyces cerevisiae	(IV)	Lactic acid

Choose the correct answer from the options given below:

Match List - I with List - II.

List - I		List - II
(A)	Cuckoo lays egg in crow's nest	(I)	Commensalism
(B)	Orchid grows in mango tree	(II)	Parasitism
(C)	Ticks live on skin of dogs	(III)	Mutualism
(D)	Species of Wasp and fig species	(IV)	Brood parasitism

Choose the correct answer from the options given below:

Observe the diagram and answer the following question.

The following diagram shows an endospermic seed of Maize grain. Answer the following question :

The rate of decomposition is slower if :

In the following which plant is also called "Terror of Bengal'?

In RNAi genes are silenced by :

The gene encoding resistance to which antibiotic are considered useful selectable marker for E. coli.
(A) ampicillin
(B) tetracycline
(C) kanamycin
(D) penicillin
(E) chloramphenicol
Choose the correct answer from the options given below:

Arrange the following steps of gel electrophoresis in correct sequence :
(A) Staining the DNA with ethidium bromide
(B) Movement of DNA fragments towards anode under an electric field through agarose (C) Exposure to UV radiation
(D) Separation of DNA fragments according to their size
Choose the correct answer from the options given below:

If a scientist wants to recover many copies of the target DNA through recombinant DNA technology, what augmentation need to be done in cloning vector ?

The puffed-up appearance of dough is due to the production of :

Toxin of Bacillus thurengiensis is activated in insect by :

Which of the following is a wheat variety having high protein content?

The size of VNTR varies from:

Brain capacities of homo erectus was around:

In a garden pea, the axial flower is dominant to Terminal flower. What will be the percentage of offsprings with terminal flowers, when to heterozygous plants are crossed ?