IIT : Biological Science Question Paper for JAM 2015

Name of the Organisation : Indian Institute of Technology
Location : Kanpur
Exam : JAM 2015
Subject : Biological Sciences (BL)
Document Type : Question Papers
Website : iitk.ac.in

Download Model/Sample Question Paper :
2013 : https://www.pdfquestion.in/uploads/iitk.ac.in/7055-BL_2013.pdf
2014 : https://www.pdfquestion.in/uploads/iitk.ac.in/7055-BL_2014.pdf

IITK Biological Sciences Sample Paper

Test Paper Code : BL
Maximum Marks : 100
INSTRUCTIONS :
A. General :
** This Booklet is your Question Paper. It contains 20 pages and has 100 questions.
** The Question Booklet Code is printed on the right-hand top corner of this page.

Related : IIT Indian Institute of Technology Guwahati JAM 2015 Online Mock Test : www.pdfquestion.in/7059.html

** The Question Booklet contains blank spaces for your rough work. No additional sheets will be provided for rough work.

** Clip board, log tables, slide rule, cellular phone and electronic gadgets in any form are M allowed. Non Programmable Calculator is allowed.

** Write your Name and Registration Number in the space provided at the bottom.
** All answers are to be marked only on the machine gradable Objective Response Sheet (ORS) provided along with this booklet, as per the instructions therein.

** The Question Booklet along with the Objective Response Sheet (ORS) must be handed over to the Invigilator before leaving the examination hall.

B. Filling—in the ORS :
** Write your Registration Number in the boxes provided on the ORS and darken the appropriate bubble under each digit of your Registration Number using a black ink ball point pen. –

** Ensure that the code on the Question Booklet and the code on the ORS are the same.
If the codes do not match, report to the Invigiiator immediately. On the ORS, write your Name, Registration Number, Name of the Test Centre and put your signature in the appropriate box with ball-point pen. Do not write these anywhere else.

C. Marking of Answers on the ORS :
11. Each question has 4 choices for its answer : (A), (B), (C) and (D). Only ONE of them is the correct answer. –

12. On the right—hand-side of ORS, for each question number, darken with a black inkball point pen ONLY one bubble corresponding to what you consider to be the most appropriate answer, from among the four choices.

13. There will be negative marking for wrong answers.

MARKING SCHEIVIE :
(a) For each correct answer, you will be awarded 1 (One) mark.
(h) For each wrong answer, you will be awarded —1/3 (Negative 1/3) mark.
(0) Multipie answers to a question wiil be treated as a wrong answer.
(d) For each un-attempted question, you will be awarded 0 (Zero) mark

Elasrnobranchs are
(A) jelly fish
(C) cartilaginous ?sh
(B) bony ?sh
(D) cartilaginous gills

Biomimetics is the science of designing functional objects by drawing inspiration from nature.
The design of Velcro was inspired by
(A) interlocking sutures of bivalves
(B) hairy fruit
((3) hairy feet of lizards
(D) interlocking spicules of sponges

The mode and the median of the following set of numbers are respectively:
1,1,l,1,1,1,3, 5, 5, 7, 7, 7, 7
(A) 1,3 (B) 7,3 ((3) 3,7 (D) 5,7

Flower colour in a population of wild plant species is in Hardy-Weinberg equilibrium. The yellow flower allele is dominant over the White flower allele. If the frequency of white flowers in this population is 0.09, then the frequency of the yellow flower allele is
(A) 0.91 (B) 0.7 (o) 81 (D) 0.49

In some insects, XX-XO is the sex—determining mechanism. XX is a female and X0 is a male. Red body colour is caused by a recessive mutation, while the wild type body colour is green. The gene for body colour is on the X chromosome. If a homozygous red female is crossed with a wild type male, the phenotypes of their offspring will be
(A) all females red; all males green
(B) all females green; all males red
(C) all females red; all males red
(D) all females green; all males green

In order to test Whether tail lengths differ signi?cantly between male and female fish, one must use the following statistical test
(A) Mantel test
(C) t-test
(B) Chi—square test
(D) binomial test

In a family with 3 children, what is the probability that 2 are boys and 1 is a girl?
(A) 1/8 (B) 3/8 (C) 1/3 (D) 2/3
Which of the following has the longest cell cycle?
(A) Human liver cells
(C) Yeast cells
(B) Human ?broblasts
(D) Escherichia coli

A line is described by the equation 3y = 5X.The slope of this line is
(A) S (B) 3 (C) 1-67 (D) 0.6
Myelination results in
(A) an increase in conduction of synaptic potentials
(B) a decrease in conduction of action potentials
(C) an increase in conduction of action potentials
(D) a decrease in conduction of synaptic potentials

The phenomenon in which one gene affects the trait determined by a non—allelic gene is called
(A) dominance (B) linkage
(C) epistasis (D) pleiotropy