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Monthly test - August

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Size of pollen grain in Myosotis

a)

10 micrometer

b)

20 micrometer

c)

200 micrometer

d)

2000micrometer

2.

First cell of mil gametophyte in angiosperms

a)

Microscope

b)

Megastore

c)

Nucleus

d)

primary endosperm nucleus

3.

Parthenocarpic fruit like

a)

Endocarp

b)

Epiccarp

c)

Mesocarp

d)

Seed

4.

Transmitting tissue found in

a)

Micropylar region of Ovule

b)

Pollen tube wall

c)

Styler region of gynoecium

d)

Integument

5.

A plant called X possesses small flower with reduced perianth and versatile anther the probable agent for pollution would be

a)

Water

b)

Air

c)

Butterflies

d)

Beatles

6.

In majority of plants Pollen is liberated at

a)

1- celled stage

b)

2- celled stage

c)

3- celled stage

d)

4- celled stage

7.

Pollen tube was discovered by

a)

J. g. Krlreuter

b)

G. B. Amici

c)

E. strasburger

d)

E. Hanning

8.

Which of the following represents megagametophyte?

a)

Ovule

b)

Embryosac

c)

Nucellus

d)

Endosperm

9.

The scar left by funiculus in the seed is

a)

tegmen

b)

Radicle

c)

Epicotyl

d)

Hilum

10.

Coleorhiza is found in

a)

Paddy

b)

Bean

c)

Pea

d)

Tridax

11.

The dominant epistasis ratio is

a)

9:3:3:1

b)

12:3:1

c)

9:3:4

d)

9:6:1

12.

Select the period for mendel's hybridization experiments

a)

1856-1863

b)

1850-1870

c)

1857-1869

d)

1870-1877

13.

Gamut or Never hybrid this is a statement of

a)

Law of dominance

b)

Law ofIndependent assortment

c)

Law of segregation

d)

Law of random fertilisation

14.

Which mendelian idea is depicted by a cross in which the the generation resembles both the parents

a)

Incomplete

b)

Law of dominance

c)

Inheritance of one gene

d)

codominance

15.

In his classic experiment on P plants Mandal days did not use

a)

Flowering position

b)

Seed colour

c)

Pod length

d)

Seed shape

16.

The genotype of a plant showing the dominant phenotype can be determined by

a)

Back cross

b)

Test cross

c)

Dihybrid cross

d)

Pedigree analysis

17.

Fruit colour in squash is an example of

a)

Recessive epistasis

b)

Dominant epistasis

c)

Complementary genes

d)

Inhibitory genes

18.

Among the following characters which one was not considered by Mendel in his experimentation pea.

a)

Stem - Tall or dwarf

b)

Tirchodermal glandular or non - glandular

c)

Seed - Green or yellow

d)

Pod - Inflated or constricted

19.

Phenotypic ratio of monohybrid cross

a)

9:3:3:1

b)

12:3:1

c)

1:1:

d)

3:1

20.

Phenotypic ratio of dihybrid cross

a)

9:3:3:1

b)

12:3:1

c)

1:1:

d)

16:3:1

21.

Accurate mapping of genes can be done by 3 point is cross because increases

a)

Acidity of single crossover

b)

Possibility of double crossover

c)

possibility of multiple crossover

d)

possibility of recombination frequency

22.

Genes GSLH are located on some chromosome.The recombination percentage is between L and G is 15% ,S and L is 50% , H and S is 20% .The correct order of genes is

a)

GHSL

b)

SHGL

c)

SGHL

d)

HSLG

23.

If haploid number in a cell is 18 the double monosomic and trisomic number will be

a)

35 and 37

b)

34 and 35

c)

37 and 35

d)

17 and 19

24.

Changing the codon AGC to AGA represent

a)

Missense mutation

b)

Nonsense mutation

c)

Frameshift nutrition

d)

Deletion mutation

25.

Due to incomplete linkage in maize the ratio of parental and recombinants frequency is

a)

50:50

b)

7:1:1:7

c)

96:4:3:6

d)

1:7:7:1

26.

The number of linkage groups found in sweet pea is

a)

3

b)

2

c)

7

d)

10

27.

The term crossing over was coined by

a)

Darwin

b)

Morgan

c)

Hook

d)

Rao

28.

Genetic map was developed by

a)

Morgan

b)

Rao

c)

Alfred H sturtvent

d)

Linnaeus

29.

Tetrasomy

a)

2n+1

b)

2n+1-1-

c)

2n+2

d)

2n+3

30.

Nullisomy

a)

2n-2

b)

2n+1

c)

2n+3

d)

2n+1-1

31.

Restriction enzymes are

a)

Not always recquired in genetic engineering

b)

Essential tools in genetic engineering

c)

Nucleus that cleave DNA at specific sites

d)

both b and C

32.

PBR 322 , BR stands for

a)

Plasmid bacterial recombination

b)

Plasmid bacterial replication

c)

Plasmid Boliver and Rodriguez

d)

Plasmid Baltimore and Rodriguez

33.

Genetic engineering is

a)

Making artificial genes

b)

Hybridization of DNA of one organism to data fathers

c)

Production of alcohol by using microorganisms

d)

Making artificial Limbs Diagnostic instruments such as ECG and EEG etc

34.

EcoR1 cleaves DNA at

a)

AGGGTT

b)

GTATATC

c)

GAATTC

d)

TATAGC

35.

Plasmids are

a)

Circular protein molecules

b)

required by bacteria

c)

Tiny bacteria

d)

Confer resistance to antibiotics

36.

Which if the following one is used as a Biosensor?

a)

Bioreactors

b)

Electrophoresis

c)

Vectors

d)

Electroporation

37.

In which techniques Ethidium bromide is used?

a)

Southern blotting techniques

b)

Western blotting techniques

c)

Polymerse chain reaction

d)

Agarose gel electrophoresis

38.

Chemicals used in gene transfer.

a)

PEG

b)

Dextran sulphate

c)

Both a and b

d)

None of

39.

SCP is obtained from

a)

Chlorella

b)

Pistia

c)

Volvox

d)

Spirulina

40.

The microbial sources of alu l is

a)

Arhtrobactor luteus

b)

Escherichia coli

c)

Haemophilus influenza

d)

Bacillus megatorium

41.

The time duration for fertilization process by using autoclave is ____ minutes and temperature is ____

a)

10to 30 minutes and 125•C

b)

15-30 minutes and 121• C

c)

15-20 minutes and 125 •C

d)

10-20 minutes and 121•C

42.

Solidifying agent used in plant tissue culture is

a)

Nicotinic acid

b)

Cobaltous chloride

c)

EDTA

d)

Agar

43.

Virus free plants developed from____

a)

Organ culture

b)

Meristem culture

c)

Protoplast culture

d)

Cell suspension culture

44.

Invitro means

a)

In test tube

b)

Inside the body

c)

Inside a cell

d)

Inside lab

45.

Which if the nutrients used as macronutrients in tissue culture methods?

a)

KNO3

b)

EDTA

c)

Glycine

d)

Nicotinic acid

46.

Growth hormone

a)

IAA

b)

Kinetin

c)

Myo inositol

d)

All of these

47.

The pH maintained in culture medium

a)

Above 7

b)

Below 7

c)

5.6

d)

5.6-6.0

48.

Digoxin is obtained from

a)

Capsicum annum

b)

Digitalis purpurea

c)

Cinchona officinalis

d)

Papaver somniferum

49.

Quinine is used to cure

a)

Typhoid

b)

Malaria

c)

Dengue

d)

Influenza

50.

Iron stock used in tissue culture is

a)

Na EDTA

b)

FeSo47H2O

c)

Both a and b

d)

None of these

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