List of top Questions asked in CUET (UG)

Match List-I with List-II:

List-I Transgene	List-II Used for/Products
(A) α-1-antitrypsin	(III) Treat emphysema
(B) cryIAc	(II) Corn borer
(C) Antisense RNA	(I) Meloidgyne incognitia
(D) cryIAb	(IV) Cotton bollworms

Choose the correct answer from the options given below:

Which of the following statements are incorrect?
(A) Fragments of DNA can be separated by ELISA.
(B) Transformation is a procedure through which a piece of DNA is introduced in a host bacterium.
(C) Recombinant DNA technology does not involve isolation of a desired DNA fragment.
(D) DNA ligases are used for stitching DNA fragments into a vector.
Choose the answer from the options given below:

Arrange the following steps involved in the transformation of bacteria in a sequence from initiation to end.
(A) Incubation of rDNA with bacterial cell on ice
(B) Treatment with divalent cations
(C) Heat shock treatment
(D) Selection on antibiotic containing agar plate
(E) Placed them again on ice
Choose the correct answer from the options given below:

Downstream processing method involves:

The beetle used as a biocontrol agent for aphids and mosquitoes is:

Match List-I with List-II:

List-I Products	List-II Organisms
(A) Statin	(III) Monascus
(B) Clot buster	(I) Streptococcus
(C) Swiss cheese	(IV) Propionibacterium
(D) Cyclosporin-A	(II) Trichoderma

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In sewage treatment, flocs are:

Smack is chemically:

Match List-I with List-II:

List-I Types of barriers	List-II Examples
(A) Cytokine barriers	(IV) Interferons
(B) Physical barriers	(I) Mucus coating
(C) Cellular barriers	(III) Phagocytosis
(D) Physiological barriers	(II) Tears from eyes

Choose the correct answer from the options given below:

Antibodies are secreted by:

Nucleosome is associated with ______ molecules of histones.

Which of the following primates was more like an ape?

Which of the following does not affect the Hardy-Weinberg equilibrium?

Choose the statements that are correct with respect to continuous culture systems:
(A) In a simple stirred tank bioreactor, stirring happens through sparging of air bubbles
(B) A bioreactor has an agitator system, oxygen delivery system, and foam control system
(C) Sampling ports provide vents to withdraw small volumes of culture periodically
(D) Culturing in bioreactors is classified as downstream processing
Choose the correct answer from the options given below:

The increase in the rate of species loss in the world is due to:
(A) Less use of natural resources
(B) Introduction of alien species
(C) Species confined to a particular area
(D) Removal of one species from co-existed species
(E) Destruction of large landscapes into small areas
Choose the correct answer from the options given below:

Deserts, rain forests, mangroves, coral reefs, wetlands, estuaries, and alpine meadows in India represent:

Tropical regions account for greater biological diversity because of the following reasons, except:

The total energy fixed by a green plant is called:

Which one of the following statements is wrong regarding ecological pyramids?

In which of the following ecosystems, detritus food chain (DFC) is the major conduit for energy flow?

Match List-I with List-II:

List-I (Genes/Products)	List-II (Used in/for)
(A) C-Peptide	(I) Corn borer
(B) α-1-antitrypsin	(II) Rosie
(C) cryIAc	(III) Insulin
(D) α-lactalbumin	(IV) Emphysema

Identify the incorrect statements.
(A) Bacillus thuringiensis is a transgenic organism.
(B) Bt toxin enters the testes or the ovaries of the insect pest, sterilizes it, and thus prevents its multiplication.
(C) Proteins encoded by cryIAc and cryIIAb control cotton bollworms.
(D) Bt protein exists as an active toxin in Bacillus.
(E) Alkaline pH of the insect gut solubilizes the toxin protein crystals.
Choose the correct answer from the options given below:

Transposons are:

For which of the following human diseases was a transgenic model not developed?