Persons with 'AB' blood group are called as "Universal recipients". This is due to:
(A)Absence of antigens A and B on the surface of RBCs
(B)Absence of antigens A and B in plasma
(C)Presence of antibodies, anti-A and anti-B, on RBCs
(D)Absence of antibodies, anti-A and anti-B, in plasma

A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is :
(A)Degenerate primer sequence
(B)Okazaki sequences
(C)Palindromic Nucleotide sequences
(D)Poly(A) tail sequences

Which of the following characteristics is incorrect with respect to cockroach ?
(A)A ring of gastric caeca is present at the junction of midgut and hind gut.
(B)Hypopharynx lies within the cavity enclosed by the mouth parts.
(C)In females, `` 7^{\text {th }}-9^{\text {th }} `` sterna together form a genital pouch.
(D) `` 10^{\text {th }} `` abdominal segment in both sexes, bears a pair of anal cerci.

Which of the following RNAs is not required for the synthesis of protein ?
(A)mRNA
(B)tRNA
(C)rRNA
(D)siRNA

Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?
(A)DNA dependent DNA polymerase
(B)DNA dependent RNA polymerase
(C)DNA Ligase
(D)DNase

The partial pressures (in `` mm Hg `` ) of oxygen `` \left( O _{2}\right) `` and carbon dioxide `` \left( CO _{2}\right) `` at alveoli (the site of diffusion) are:
(A) `` pO _{2}=104 `` and `` pCO _{2}=40 ``
(B) `` pO _{2}=40 `` and `` pCO _{2}=45 ``
(C) `` pO _{2}=95 `` and `` pCO _{2}=40 ``
(D) `` pO _{2}=159 `` and `` pCO _{2}=0.3 ``

Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?
(A)Cow is administered hormone having LH like activity for super ovulation
(B)Cow yields about `` 6-8 `` eggs at a time
(C)Cow is fertilized by artificial insemination
(D)Fertilized eggs are transferred to surrogate mothers at 8 - 32 cell stage

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy ?
(A)Graafian follicle
(B)Corpus luteum
(C)Foetus
(D)Uterus

During m uscular contraction which of the following events occur ?
(a) ‘H’ zone disappears
(b) ‘A’ band widens
(c) T band reduces in width
(d) Myosine hydrolyzes ATP, releasing the ADP and Pi
(e) Z-lines attached to actins are pulled inwards
Choose the correct answer from the options given below.
(A)
(a),
(c),
(d),
(e) only
(B)
(a),
(b),
(c),
(d) only
(C)
(b),
(c),
(d),
(e) only
(D)
(b),
(d),
(e),
(a) only

Following are the statements with reference to ‘lipids.
(a) Lipids having only single bonds are called unsaturated fatty acids.
(b) Lecithin is a phospholipid.
(c) Trihydroxy propane is glycerol.
(d) Palmitic acid has 20 carbon atoms including carboxyl carbon.
(e) Arachidonic acid has 16 carbon atoms.
Choose the correct answer from the options given below.
(A)
(a) and
(b) only
(B)
(c) and
(d) only
(C)
(b) and
(c) only
(D)
(b) and
(e) only

Which one of the following statements about Histones is wrong ?
(A)Histones are organized to form a unit of 8 molecules.
(B)The pH of histones is slightly acidic.
(C)Histones are rich in amino acids - Lysine and Arginine.
(D)Histones carry positive charge in the side chain.

Match List - 1 with List - II.

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.
(A)Gap junctions and Adhering junctions, respectively.
(B)Tight junctions and Gap junctions, respectively.
(C)Adhering junctions and Tight junctions, respectively.
(D)Adhering junctions and Gap junctions, respectively.

Following are the statements about prostomium of earthworm.
(a) It serves as a covering for mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
Choose the correct answer from the options given below.
(A)
(a),
(b) and
(c) are correct
(B)
(a),
(b) and
(d) are correct
(C)
(a),
(b),
(c) and
(d) are correct
(D)
(b) and
(c) are correct

The Adenosine deaminase deficiency results into:
(A)Dysfunction of Immune system
(B)Parkinson’s disease
(C)Digestive disorder
(D)Addison’s disease