1611: Which one of the following is not an essential micronutrient for plants ?
(a) Boron
(b) Zinc
(c) Sodium
(d) Copper
1612: Which one of the following is the landmark performance of Dr. V. Mohan Reddy, an Indian born doctor working in USA, during February, 2005?
(a) Successful brain surgery to revive the function of nearly dead brain of a premature born infant.
(b) Research on genetic engineering which can help in treatment of deadly disease like AIDS.
(c) Research on human stem cell which is likely to revolutionize treatment of deadly disease like cancer.
(d) Successful open heart procedure called arterial switch performed on an infant.
1613: Assertion (A) :
Dolly was the first cloned mammal.
Reason (R) :
Dolly was produced by in vitro fertilization.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
1614: Examine the following :
Ashok is older than Suresh. Raju is older than Ashok and Vivek is not older than Suresh, Which one of the following statements must necessarily be true?
I. Vivek is as old as Ashok
II. Vivek is as old as Raju
III. Vivek is as old as Suresh
IV. Suresh is younger to Vivek
(a) Only I
(b) Only II
(c) Only III
(d) Either III or IV
1615: Amniocentesis is a method for:
(a) Determination of foetal sex.
(b) Separation of amino acids.
(c) Determination of the sequence of amino acids in a protein.
(d) Inducing abortion.