List of top Life Science Questions asked in Common University Entrance Test

Adenoviruses are frequently used in gene delivery experiments. Their average genome size is 36,000 base pairs. Of their total DNA content, up to how much of the adenovirus genome can be replaced by foreign DNA?

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:

tRNA is synthesized by:

Match List I with List II:

List I	List II
(A) Histone erasers	(III) Deacetylases
(B) Histone readers	(IV) Bromodomain proteins
(C) Histone writers	(I) Methyltransferase
(D) DNA unwinding	(II) Topoisomerase

Choose the correct answer from the options given below:

Gene gun is one of the popular physical delivery methods. Microparticles that are loaded to deliver DNA are made up of which metal?

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 one of the recombinant DNA techniques is almost obsolete?

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

Vaccine is not available for which disease?

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:

Number of chromosomes present in Arabidopsis thaliana 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:

Arrange the given processes involved in the nitrogen cycle:
(A) Ammonia formation
(B) Organic nitrogen formation
(C) Soil organic nitrogen formation
(D) Nitrate formation
Choose the correct answer from the options given below:

Which one of the following is a peat moss?

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

Vessels are present in:

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

Match List I with List II:

List I (Enzyme)	List II (Function)
(A) Cytochrome oxidase	(I) Electron transport system
(B) Topoisomerases	(II) Change linking number
(C) Cohesins	(III) DNA Replication
(D) PCNA	(IV) Cell cycle

Choose the correct answer from the options given below:

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:

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:

Which of the following are viral diseases?
(A) Yellow fever
(B) Hepatitis B
(C) Chickenpox
(D) Rabies
Choose the correct answer from the options given below:

Antibody formed immediately after infection is-