List of top Life Science Questions asked in CUET (PG)

The peptidyl transferase enzyme activity is located in the

Match List I with List II

LIST I (Transposons)	LIST II (Organism)
A. Pelement	I. Drosophila
B. LINE and SINE	II. Human
C. Ty element	III. Yeast
D. Tn element	IV. Bacteria

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Vessels are present in:

The basal portion of a mature ligule of Selaginella is called:

Which one of the following is a peat moss?

A clotting disorder which is a sex-linked disease:

Match List I with List II

List I	List II
(A) Radiation hybrid mapping	(I) DNA can be cut into large fragments and circularized for use in chromosome walking
(B) Sequence tagged site (STS) mapping	(II) Useful for cloning of overlapping DNA fragments (restricted to about 200 kb)
(C) Chromosome jumping	(III) Fragment genome into large pieces and locate markers and genes
(D) Chromosome walking	(IV) Applicable to any part of DNA sequence if some sequence information is available

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On the basis of type of body cavity, platyhelminthes can be categorized as

The perforation between left and right atria of a fetal heart is known as

The lymphoid stem cells in the bone marrow form
(A) Natural killer cells
(B) Platelets
(C) B lymphocytes
(D) Neutrophils
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Calcitonin is produced by

The propagation of action potential in myelinated nerve fiber is faster because of-

Match List I with List II:

List I	List II
(A) Shoulder	(I) Tarsals
(B) Thigh	(II) Carpals
(C) Wrist	(III) Humerus
(D) Ankle	(IV) Femur

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Amino acid that serves as a precursor for formation of the pigment responsible for human skin color is-

Yellow fever is caused due to the human-to-human transmission by-

Arrange the steps involved in Gram-stain procedure:
(A) Staining with Crystal Violet
(B) Staining with Gram’s Iodine
(C) Decolorization
(D) Staining with Safranine
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Antibody formed immediately after infection is-

Vaccine is not available for which disease?

Match List I with List II:

List I	List II
(A) D’Herelle and Twort	(I) Bacterial transformation
(B) Beadle and Tatum	(II) Penicillin
(C) Fleming	(III) One-gene-one-enzyme hypothesis
(D) Griffith	(IV) Bacterial viruses

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Lederberg and Tatum describe the phenomena of-

Which of the following are viral diseases?
(A) Yellow fever
(B) Hepatitis B
(C) Chickenpox
(D) Rabies
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Which of the following is the example of Gram-negative bacteria?

What is the function of DNA gyrase in circular DNA?

Which one of the recombinant DNA techniques is almost obsolete?

In the human karyotype, the X chromosome belongs to which group?