B.Sc Plant Biology & Adv Zoology Question Paper

Loyola College B.Sc. Plant Biology & Adv Zoology April 2009 Biostatistics Question Paper PDF Download

by

           LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ADV.ZOOL. & PL.BIO.&BIOTECH.

 AC 09

 

THIRD SEMESTER – APRIL 2007

ST 3201 – BIOSTATISTICS

 

 

 

Date & Time: 04/05/2007 / 9:00 – 12:00 Dept. No.                                              Max. : 100 Marks

 

 

SECTION A

Answer all questions.                                                                        (10×2=20)

 

  1. Mention the advantages of diagrammatic representation of data.
  2. Give any two limitations of geometric mean.
  3. What is meant by Skewness? Mention any one method of identifying the same.
  4. Find the 70th percentile of the following series :

49,52,12,87,62,35,21,19.

  1. Define: Independent events.
  2. Let A, B and C be three mutually exclusive and exhaustive events and exhaustive with

P( A ) = P( B ) / 2 , P( B ) = 3 P( C ) . Find P (A), P( B ) and P( C ).

  1. Comment on the following statement: “For a binomial distribution, the mean and variance are found to be 5 and 10 respectively “
  2. Define: ‘Parameter’.
  3. Mention any two uses of t-distribution.
  4. What is the need for non-parametric tests?

 

SECTION B

Answer any five questions.                                                         (5×8=40)

 

  1. Calculate mean, median and mode for the following data:

Hourly wages(Rs):     66-68   68-70   70-72   72-74   74-76   76-78

No. of persons:          15       24        40        20        14        11

  1. Write short notes on: i.) Standard deviation ii.) Quartile deviation.
  2. a.) A group consists of 100 men and 80 women out of which 40 men and 50 women are graduates.

If one person is selected at random from the group, find the probability that the person is either

a woman or a graduate.

b.) A bag contains 5 white and 3 black balls. Two balls are drawn at random. Find the probability

that

  1. i) One is white and the other is black
  2. ii) Both are black
  1. The probability that a student having a recommended book for study is 0.8. Three students are selected at random from a large group of students.
  • Find the probability distribution of the number of students having the book
  • Calculate the mean and variance of the distribution.
  1. Let X be a normally distributed random variable with mean 14 and variance 20. Find   a ) P(X>18)
  1. b) P(12<X<16)
  2. c) P(X< 20)
  1. Write short notes on:
  1. Type I and Type II errors.
  2. Steps involved in testing of a hypothesis

 

 

 

 

  1. The wages of 10 workers selected at random from a factory are given below:

Wages ( In Rs ) : 578  572  570  568  572  578  570  572  596  584

Is it possible that the mean wage of all workers of this factory is Rs.580? Test at 5% level.

  1. Explain Wilcoxon test to test the equality of median of two populations.

 

SECTION C

Answer any two questions.                                                   (2×20=40)

 

  1. a.) Find the geometric mean for the data given below:

Marks:      4-8   8-12  12-16 16-20  20-24  24-28.

Frequency:         6     10       18       30       15        12

b.) Use Box – Plot to examine the Skewness of the following frequency distribution:

No. of children per family:     0          1          2          3          4          5         6                                                     No. of families:           7          10        16        25        18        11       8

c.)  What are percentiles? How are they interpreted?                     (8+8+4)

  1. a.)  i.)Give axiomatic and relative frequency definition of probability.

ii.)State the addition rule of Probability.

iii.) Define conditional Probability

b.) The screws produced by a certain machine were checked by examining

samples each  of size  12. The following table shows the distribution of 128 samples according to the number of defective items they contain.

No.of Defectives 0 1 2 3 4 5 6 7
No.of Samples 7 6 19 35 30 23 7 1

Fit a binomial distribution and find the expected frequencies

  1. Given P(X=1) = P( X=2) , where X~ Poisson ( λ ), find P ( X=3 )                       (8+8+4)

.

  1. a.) In one section of a large city, 200 out of 250 residents have Myopia. In another section, , 120

out of 200 residents have the same. Using 5% level of significance, could it be concluded that

there is no difference between these two sections of the city in terms of Myopia.

b.) The following data present the yields in quintals of wheat taken randomly from two

agricultural plots of equal area.

Plot 1:  6.2       5.7       6.5       6.0       6.3       5.8       5.7       6.0       6.0                               5.8

Plot 2:  5.6       5.9       5.6       5.7       5.8       5.7       6.0       5.5       5.7                               5.5

Test the equality of variance of yields from these agricultural plots at 5% level.                  (8+12)

 

 

 

  1. a.) Let X and Y denote the  times in hours per week that students in two

different schools watch television. Let F(x) and G(y) denote the   respective distribution functions. Use runs test to test the hypothesis

H0: F(x) = G(y) Vs H1: F(x) < G(y) at 5% level, using the following random sample of 10 observations from each school.

X:        16.75   19.25   22.00   20.50   22.50   15.50   17.25   20.75   18.60   21.30

Y:        24.75   21.50   19.75   17.50   22.75   23.50   13.00   19.00   16.45   15.50

b.) Consider a population with N=6 units, the values being 20,30,22,20,11,14. Select all

possible samples of size 2 and verify whether the sample range is an unbiased estimator for

the population range.                                                                                         (12+8).

 

 

Go To Main Page

Loyola College B.Sc. Plant Biology & Adv Zoology April 2009 Principles Of Horticulture Question Paper PDF Download

by

  LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

VE 02

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIRST SEMESTER – April 2009

PB 1504 – PRINCIPLES OF HORTICULTURE

 

 

 

Date & Time: 22/04/2009 / 1:00 – 4:00            Dept. No.                                                                      Max. : 100 Marks

 

PART – A

Answer ALL, each within 50 words:                                                             (10 x 2 = 20 Marks)

  • What is meant by Sexual Propagation?
  • Define Agriculture
  • Discuss about drip irrigation
  • Mention four Indoor plants studied by you
  • What is Olericulture
  • Distinguish between arches and pergolas
  • What are medicinal plants? Mention two examples
  • Mention four important species used as cut flower
  • Describe mist chamber
  • Describe the principles of layering

PART – B

Answer any FIVE of the following each within 350 words. Draw diagrams Wherever necessary.                                                                                                                                   (5 x 8 = 40 Marks)

  • a) Discuss the importance of Horticulture

(or)

  1.   b) Describe the general classification of vegetable crops
  • a) Write notes on Hedges and edges

(or)

  1. b) Bring out the salient features of Hydroponics. Add a note on its merits and demerits.
  • a) Write notes on bonsai and its types.

(or)

  1. b) Describe the types of vegetative propagation
  • a) Write notes on Topiary and Ikebana

(or)

  1. b) Describe the Various methods of flower arrangements
  • a) Describe the Botanical features of any two famous gardens of South India.

(or)

  1. b) Discuss about Grafting

PART – C

Answer the following, each within 1500 words. Draw diagrams wherever necessary:  

(2 x 20 = 40 Marks)

  • a) Explain the nursery structure

(or)

  1. b) Give a detailed account of rose cultivation

 

  • a) Write an essay on Organic forming

(or)

  1. b) Write notes on:
  2. Rock garden 2. Roof garden            3. Terrace garden        4. Water garden

 

Go To Main Page

Loyola College B.Sc. Plant Biology & Adv Zoology April 2009 Plant Diversity – II (Pteri.,Gymno.,& Paleobot.) Question Paper PDF Download

by
VE 04

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

SECOND SEMESTER – April 2009

    PB 2504/PB 2502 – PLANT DIVERSITY – II (PTERI.,GYMNO.,& PALEOBOT.)

 

 

 

Date & Time: 23/04/2009 / 1:00 – 4:00            Dept. No.                                                          Max. : 100 Marks

 

 

PART – A ( 20 MARKS)

  1. Choose the correct answer:                    (5 x 1 = 5)           
  2. TRANSFUSION tissue is found in.
  3. Azolla             Marsilea      c. Pinus           d. Cycas
  4. Circinate vernation is seen in
  5. Rhynia             Gnetum       c.Pinus                        d. Cycas
  6. Polyembryony is seen in
  7. Pinus             Adiantum     c. Azolla          d. Marsilea
  8. Lycopodium is referred to as
  9. Horsetail Peatmoss     c. Rockmoss    d. Clubmoss
  10. Calamites is from the order.
  11. Equisetales Selaginellales           c. Lepidodendrales     d. Psilophytales

 

  1. STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE:

(5 x 1 = 5)

  1. Pteridophytes are known as Vascular Cryptogams.
  2. The most highly evolved among Gymnosperme is Gnetum.
  3. Vegetative reproduction in Psilotum is not by Gemmae.
  4. In Gymnosperms in the Pycnoxylicwood, the pith & cortex get much reduced, and in Mano Xylic wood, pith is larger and Cortex is extensive.
  5. The members of Cordaitales were group of Tree like plants.

 

  • COMPLETE THE FOLLOWING: (5 x 1 = 5)
  1. In pteridophyte, a spone, on germination grows into a ___________________, which is a gametophyte.
  2. Rhynia belongs to the order______________.
  3. The Maiden Hair Fem is ______________.
  4. In Lycopodium the genus is divided into Urostachya and _______________.
  5. In _______________ plant, the foliage leaves are aciculars.

 

  1. ANSWER ALL THE QUESTIONS, EACH WITHIN 50 WORDS ONLY: (5 x 1 = 5)
  2. Mention any 2 Indian Species of Cycas.
  3. Mention 2 angiospermic characters of the Ovule of Gnetum.
  4. What is a Megasporophyll?
  5. Mention any one Fem characters of Marsilea.
  6. Where do you find the Vallecular Canals and Carinal Canals?

 

 

PART – B

 

ANSWER THE FOLLOWING, EACH ANSWER WITHIN 500 WORDS, DRAW DIAGRAMS WHEREVER NECESSARY:                                                                  (5 x 7 = 35)

  1. a) Write notes on Lepido dendron

(OR)

  1. b) Describe the Sporocarp of Marsilea.

 

  1. a) Describe the anatomy of Pinus Needle.

(OR)

  1. b) Write about the Coralloid root of Cycas.

 

  1. a) What are the different types of Fossils?

(OR)

  1. b) Write down the General characters of Benne ttitales.

 

  1. a) Describe the Gametophyte of Equisetum.

(OR)

  1. b) Write about the origin of Pte ridophytes.

 

  1. a) Discuss the salient features of coniferales.

(OR)

  1. b) Explain the salient aspects of Psilophyta

 

 

PART – C                                         

 

ANSWER ANY 3 QUESTIONS. EACH WITHIN 1200 WORDS, DRAW DIAGRAMS WHEREVER NECESSARY.                                                                                         (3 x 15 = 45)

 

  1. Write an Essay on the stelar system in Pteridophytes.

 

  1. Describe the female cone and the structure of ovule in Pinus.

 

  1. Describe the Fossil plants: 1) William Sonia

2) Calamites

3) Rhynia

  1. Compare the Strobilus of Lycopodium and Equisetum.

 

  1. Write Notes on the following:
  2. a) General characters of gymnosperm
  3. b) Salient Features of Cordaitales
  4. c) How to determine the age of fossils?

 

 

 

Go To Main Page

Loyola College B.Sc. Plant Biology & Adv Zoology April 2009 Algol., Mycol. & Bryology Question Paper PDF Download

by

  LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

VE 01

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIRST SEMESTER – April 2009

PB 1502 – ALGOL., MYCOL. & BRYOLOGY

 

 

 

Date & Time: 20/04/2009 / 1:00 – 4:00          Dept. No.                                                          Max. : 100 Marks

 

 

PART – A (20 Marks)

  1. Choose the correct answer:                           (5 x 1 = 5)
  2. A motile flagellate asexual cell is known as
  3. zoospore b) zygospore    c) conidiospore            d) tetraspore
  4. Cell wall in algal cells consists of
  5. Chitin b) cellulose      c) cutin                        d) suberin
  6. ‘Black rust’ of wheat is caused by
  7. Rhizopus b) Neurospora c) puccinia       d) polyporus
  8. The sporophytes of Bryopsida are characterized by the presence of
  9. Rhizoids b) scales           c) pseudoelaters          d) operculum
  10. Antherozoids in Funaria are
  11. Spirallycoiled b) quadriciliated          c) aciliated       d) biciliate
  12. State whether the following statements are TRUE or FALSE: (5 x 1 = 5)
  13. In oogamy, one of the gametes is non-motile.
  14. Algae growing on rocks are called planktons.
  15. Anthoceros has symbiotic association with blue-green algae.
  16. Zygospores are produced in colletotrichum.
  17. The female sex organ of bryophytes is called archegonium.

III. Complete the following:                                                                                     (5 x 1 = 5)

  1. The haploid spores of Ectocarpus are called __________________.
  2. In bryophytes, mucilaginous cavities are seen in ___________________.
  3. In Rhizopus, the sexual reproduction leads to the formation of _______________ spores.
  4. The symbiotic N2 fixing prokaryotic alga is _________________.
  5. Colletotrichum belongs to the class ____________________.
  6. Answer the following within 50 words: (5 x 1 = 5)
  7. Distinguish between epipelic and epilithic algae.
  8. What are obligate parasites?
  9. Write down the systematic position of cyclotella.
  10. What is dikaryotization?
  11. List any four features of Hepaticopsida.

PART – B

Answer any FIVE within 300 words.

Draw diagrams wherever necessary:                                                                        (5 x 7 = 35)

  1. a) Give an account of the salient features of Blue-greenalgae.

(OR)

  1. Discuss the life cycle pattern in Algae.
  2. a) Describe the cell structure of Anabaena.

(OR)

  1. Give an account of asexual reproduction in Ectocarpus.
  2. a) Bring out the salient features of fungi.

(OR)

  1. b) Describe the asexual reproduction in Albugo.
  2. a) Write notes on the structure and reproduction of Rhizopus.

(OR)

  1. b) Enumerate the salient features of Anthoceratopsida.
  2. a) Write notes on the economic importance of bryophytes.

(OR)

  1. b) Give an account on the structure of Funaria

PART-C

Answer any THREE, each within 1,200 words.

Draw diagrams wherever necessary:                                                                      (3 x 15 = 45)

 

  1. Give an account of classification of algae proposed by Harold C Bold, mentioning the salient features of each division.
  2. Explain the general characteristics and various habits of Algae.
  3. Describe the life history of polysiphonia.
  4. Descirbe the life cycle of puccinia graminis.
  5. Explain the structure of gametophyte of Anthoceros.

 

 

Go To Main page

Loyola College B.Sc. Plant Biology & Adv Zoology Nov 2010 Physics For Biology Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

   B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & ADV. ZOOLOGY

THIRD SEMESTER – NOVEMBER 2010

PH 3204 – PHYSICS FOR BIOLOGY

 

 

 

Date : 12-11-10                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART-A

Answer all questions                                                                                                                        (10 x 2 = 20)

 

  1. State the significance of Reynold’s number of a liquid.
  2. What are cofactors? Name any one.
  3. Define the resolving power of a microscope.
  4. Find the nuclear radius of a Ho165
  5. What are transducers?
  6. Define ‘range’ and ‘stopping potential’ of an alpha particle.
  7. Define intensity of sound.
  8. State the laws of refraction of light.
  9. Differentiate between diffusion and osmosis.
  10. What are coupled reactions?

PART-B

Answer any four questions                                                                                                           (4×7.5=30)

 

  1. Write a note on photosystems I and II.
  2. Explain in detail, how Oswald viscometer is used to compare the viscosities of two liquids.
  3. Give a detailed account of temperature transducer.
  4. Derive the expression for angular magnification for a compound microscope
  5. Calculate the binding energy of an α- particle and express the result both in MeV and joules. (mass of α- particle =4.001506 amu, mass of proton = 1.007276 amu , mass of neutron = 1.008665 amu )

 

PART-C

Answer any four questions                                                                                                          (4×12.5=50)

 

  1. Explain with a neat diagram the process of glycolysis with all the intermediate steps.
  2. Derive Poiseuille’s formula for the flow of liquid through a capillary tube.
  3. Explain with a neat circuit diagram, the working of, (i) a magnetostriction oscillator and
    (ii) Galton whistle.
  4. (i) Give a detailed account of Pressure transducer .

(ii) State the laws of osmotic pressure

  1. (i) Explain alpha ray spectrum. Give any four properties of alpha rays.

(ii) Discuss the theory of beta decay.

 

 

Go To Main page

Loyola College B.Sc. Plant Biology & Adv Zoology Nov 2012 Biostatistics Question Paper PDF Download

by

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & ADV. ZOOLOGY

THIRD SEMESTER – NOVEMBER 2012

ST 3204/ST 3203 – BIOSTATISTICS

 

 

Date : 09/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

SECTION – A

Answer ALL questions:                                                                                                          (10 x 2 = 20)

 

  1. Write down the uses of Bio-Statistics.
  2. State any two properties of Normal Distribution.
  3. Calculate coefficient for Range: 37, 57, 27,72,79,87,97,76,67,47
  4. What is the probability that the leap year selected at random will have 53 Sundays?
  5. Briefly explain Regression analysis.
  6. Give the test statistic for a chi-square test.
  7. Define type-I error.
  8. State the difference between parametric and non-parametric test
  9. Write the test statistic for a Z-test for a single proportion.
  10. Define mean sum of squares.

SECTION – B

Answer any FIVE of the following:                                                                                          (5 X 8 = 40)

 

  1. Police records shows the following numbers daily crime reports for a sample of days during the  winter months and a sample of days during the summer months.
Winter 18 20 15 22 21 20 24
Summer 22 10 20 35 9 23 21

 

 

By using co-efficient of variation, which season has consistent crime rate?

 

  1. Calculate Correlation between Plant biology and zoology marks from the given 8 students marks .

 

Marks in  Plant biology 65 66 67 67 68 69 70 72
 Marks in zoology 67 68 65 68 72 72 69 71

 

 

 

 

 

 

  1. Seven eggs weight is given below:

65, 29, 48, 68, 49, 42, 32

Calculate Mean, Median, Mode, Quartile deviation and coefficient of Q.D.

 

  1. An automatic machine was designed to pack exactly 2 kg of vanaspati. A sample of 100 tins was examined to test the machine. The average weight was found to be 1.94 kg with standard deviation 0.10 kg. Is the machine working properly? Test at 1% level of significance.

 

  1. State and Prove Addition theorem of Probability.

 

 

 

 

  1. Below are given the gain in weight in kgs of cows fed on two diets X and Y:
Diet X 25 32 30 32 24 14 32
Diet Y 24 34 22 30 42 31 40 30 32 35

 

 

 

 

 

Test at 5 % level whether the two diets differ as regards their effect on mean increase in weight by using t-test for difference means.

  1. The following data,(in tons) are the amount of sulfur oxides emitted by a large industrial plant in     40 days:
24 15 20 29 19 18 22 25 27 9
17 20 17 6 24 14 15 23 24 26
19 23 28 19 16 22 24 17 20 13
19 10 23 18 31 13 20 17 24 14

 

 

 

 

 

 

 

 

 

Use the sign test to test the null hypothesis  at the 0.05 level of significance.

 

  1. From the table given below, test whether the colour of son’s eyes is associated with that of  father’s eyes by using chi-squares test at 5% level.
Eyes Colour in Sons
 

Eyes Colour in

Fathers

 Not light Light
Not light 230 148
Light 151 471

 

 

 

 

 

 

 

 

SECTION – C

Answer any TWO of the following:                                                                                        (2 X 20 = 40)

 

  1. A former applied three types of fertilizers on 4 separate plots. The figure on yield per acre are tabulated below:
 

Fertilizers

Plots
A B C D
Nitrogen 6 4 8 6
Potash 7 6 6 9
Phosphates 8 5 10 9

 

 

 

 

 

 

 

Test (i) whether the mean yield is the same for the four plots and

(ii) whether the mean yield is the same for three fertilizers at 0.05 level.

 

  1. (i) Suppose we want to test the effect of a drug on blood pressure. Ten subjects are chosen and the      blood pressure is measured for each subject before and after the administration of the drug.     The result is shown below:
B.P before 118 113 128 124 136 130 140 130 140 128
B.P After 127 121 136 131 138 132 141 131 132 120

 

Does the drug have significant effect on blood pressure?                                  (12)

(ii) Explain the different types of diagram.                                                                       (8)

 

  1. (i) Box-I contains 8 Red, 5 Blue, 4 Green balls

Box-II contains 9 Red, 4 Blue, 3 Green balls

Box-III contains 6 Red, 7 Blue, 8 Green balls

Three balls drawn at random from one of the Box and they are found to be 2 green and a blue.          Find

the probability that it was from Box-I, Box-II and Box-III.                        (12)

(ii) It is know that probability of recovery for certain disease is 0.4. If 5 animals are stricken with              the disease (Assume this to be random sample), what is probability that

  • 3 or more will recover? (b) Exactly one will recover?

I Exactly two will recover? (d) None will recover.                                              (8)

  1. (i) In a study of the effect of a dietary component on plasma lipid composition, the

following ratios were obtained on a sample of experimental animals.

 

Dietary

component

 1 5 3 2 2 1 7 3
Plasma

lipid level

 6 1 2 3 1 2 1 5

 

Obtain the Regression equation for these data and predict the ratio of plasma lipid

level with 6 dietary component.                                                             (12)

(ii) Two diets are compared by conducting an experiment on two sets of 50 and 60

experimental animals. The average increase in weight due to the diet A and B are

respectively 9 kg and 5 kg with standard deviation of 2 kg and 3 kg. Check the

claim that diet B is superior over diet A at 5% level of significance.         (8)

 

Go To Main page

 

 

 

 

 

Loyola College B.Sc. Plant Biology & Adv Zoology Nov 2013 Physics For Biology Question Paper PDF Download

by

Go To Main page

Loyola College B.Sc. Plant Biology & Adv Zoology April 2014 3rd Sem Chemistry For Biologists-II Question Paper PDF Download

by

Go To Main page

Loyola College B.Sc. Plant Biology & Adv Zoology April 2016 Chemistry For Biologists-I Question Paper PDF Download

by

Go To Main page

© Copyright Entrance India - Engineering and Medical Entrance Exams in India | Website Maintained by Firewall Firm - IT Monteur