List of practice Questions

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

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

Choose the correct answer from the options given below:

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

Calcitonin is produced by

The lymphoid stem cells in the bone marrow form
(A) Natural killer cells
(B) Platelets
(C) B lymphocytes
(D) Neutrophils
Choose the correct answer from the options given below:

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

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

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

Choose the correct answer from the options given below:

A clotting disorder which is a sex-linked disease:

Which one of the following is a peat moss?

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

Vessels are present in:

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

Choose the correct answer from the options given below:

The peptidyl transferase enzyme activity is located in the

Transcription factors that mediate the binding of RNA polymerase to DNA template are
A. TFIIA
B. TATA box
C. TFIIB
D. Small nuclear ribonucleoproteins
Choose the correct answer from the options given below:

The histone that links two histone octamers is:

tRNA is synthesized by:

The gene transmission from a male parent to a female offspring (“child”) to a male “grandchild” is called:

Which of the following statement is true for Barr body?

Which of the following combinations of statements are true about C4 cycle?
A. Malic acid formed in the chloroplast of mesophyll cells.
B. Malic acid is transported to the chloroplast of bundle sheath cells.
C. Pyruvic acid produced in mesophyll cells moves to the chloroplast of bundle sheath cells.
D. Malic acid is transported to the chloroplast of mesophyll cells.
Choose the correct answer from the options given below:

Which of the following statement is true for X-linked recessive inheritance?

Match List I with List II:

LIST I (Condition)	LIST II (Characteristics)
A. Color blindness	I. Insensitivity to green and red light
B. Hemophilia B	II. Deficiency of clotting factor IX
C. Hemophilia A	III. Deficiency of clotting factor VIII
D. G-6-PD deficiency	IV. Severe anemic condition

Choose the correct answer from the options given below:

Non-vascular land plants are called:

Taxol medicine used in treatment of cancer is extracted from:

The leaves used for wrapping tobacco in a ‘bidi’ are: