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ु क्र ०२०२४४७६९३८
Emailsciencedept@maa
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in

महाराष्ट्र शासन
शालेय शिक्षण व क्रीडा विभाग
राज्य शैक्षणिक संशोधन व प्रशिक्षण परिषद,महाराष्ट्र
७०८ सदाशिव पेठ, कुमठे कर मार्ग, पण
ु े ४११०३०
...

2
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1

Subject -BIOLOGY (56)

INDEX

Sr
...

1
...

3

REPRODUCTION IN LOWER AND HIGHER ANIMALS

6

3
...


MOLECULAR BASIS OF INHERITANCE

12

5
...


PLANT WATER RELATION

7
...


RESPIRATION AND CIRCULATION

26

9
...


ER
TM
,P

U

N

15
18
21

HUMAN HEALTH AND DISEASES

34

11
...


BIOTECHNOLOGY

41

13
...


ECOSYSTEMS AND ENERGY TRANSFER

45

15
...


2

1
...

A
...
cellulose
C
...
Sporopollenin
Sporoderm is made up of …………
...
exosporium and endosporium
B
...
testa and tegmen
D
...

A
...
1 mitosis and 3 meiosis
C
...
1 meiosis and 3 mitosis
...

A
...
Bottle brush
C
...
Sausage
In vitro pollen germination and pollen tube elongation can be induced by—
A
...
glucose
C
...
sucrose
Self-incompatibility is found in flowers of plants…
...
Calotropis
B
...
Thea
D
...

A
...
chalaza
C
...
stigma
……… is an example of helobial endosperm
...
Adoxa
B
...
Asphodelus
D
...
coleoptile
B
...
aleurone layer
D
...

A
...
pea
C
...
bean

E

1

8

9

10

3

12

13

U

N

14

Grafting is not possible in monocots because of --A
...
open vascular bundles
C
...
absence of cambium
Conidia formation is commonly seen in
A
...
Paramecium
C
...
Penicillium
Which of the following is not the method of asexual reproduction?
A
...
Fragmentation
C
...
Binary fission
The plant part used for raising stem in grafting is –
A
...
Stock
C
...
Any plant part

E

11

VERY SHORT ANSWER QUESTIONS (1 MARK EACH)

ER
TM
,P

What is reproduction?
What are clones?
Give example of organism which produces zoospore
...


SC

1
2
...

Explain grafting as a method of artificial method of vegetative reproduction
...
S
...

Describe the structure of pollen grain
...

Describe the structure of female gametophyte of angiosperms
...

What are the different adaptations shown by bird pollinated flowers?
Explain heterostyly and herkogamy with suitable example
...

Mention significance of fruit and seed formation
...


4

SHORT ANSWER TYPE (SA-II) QUESTIONS (3 MARKS EACH)

5
6
7
8
9
10
11
12

Explain various methods of vegetative reproduction
...

Explain the development of male gametophyte in angiosperms (diagram is not
expected)
...

Give an account of any two biotic agents for pollination along with their
adaptations
...

Describe the process of fertilization in angiosperms with the help of diagram
...

Describe the development of dicot embryo in flowering plants
...

Explain various categories of apomixis
...

Describe the structure of anatropus ovule with the help of labelled diagram
...

Give an account of various abiotic agencies used in pollination along with their
adaptations for pollination
...

Describe the process of double fertilization in angiosperms and add a note on its
significance
...
REPRODUCTION IN LOWER AND HIGHER ANIMALS
MULTIPLE CHOICE QUESTIONS (1 MARK EACH)
The primary sex organ in human males is
A
...
seminal vesicle
C
...
testis
Seminal fluid is ------- in nature
...
acidic
B
...
sugary
D
...
body
B
...
fundus
D
...
thyrotropic hormone
B
...
somatotropic hormone
D
...
acrosome of sperm
B
...
middle piece of sperm
D
...
of embryonic layer
...
endoderm
B
...
ectoderm
D
...
days of pregnancy
...
280
B
...
266
D
...

A
...
tubectomy
C
...
castration
The organism which causes Gonorrhoea is……
A
...
Neisseria
C
...
Salmonella
How many pairs of testis are present in human male?
A
...
1 pair
C
...
only one ovary

9

10

6

11
...
to their
parents
...
genetically similar
B
...
morphologically and genetically similar
D
...

A
...
Hydra

E

C
...
Planaria

N

The aggregate of dormant cells capable of developing into new organism in
gemmule is called as
A
...
Archaeocytes
D
...

What is glans penis?
What is atresia with respect to ovary in human females?
Name the hydrolytic enzyme secreted by the acrosome
...

Identify the permanent birth control method in the given diagram
...


7

N

U

What is lactation? Which hormone is responsible for its regular secretion?
Mention any two different goals of RCH programme
...

Write a note on budding
...
S
...

Describe the structure of Graafian follicle
...

Give an account of external genitalia in human females
...

Write an account of cleavage during embryonic development in humans
...


ER
TM
,P

1
2
3
4
5
6
7
8
9

E

SHORT ANSWER TYPE (SA-I) QUESTIONS (2 MARKS EACH)

SHORT ANSWER TYPE QUESTIONS (SA-II) (3 MARKS EACH)

1
2
3

Explain various methods of asexual reproduction in lower animals
...

Identify the labels from the given diagram
...

Explain the structure of human sperm with labelled diagram
...

Write a note on implantation
...
Answer the following
question based on these trimester
...

iii) The organ which secretes hormone in second trimester is…
Explain the process of parturition
...

Explain any three methods that can be used to overcome infertility
...

Explain ovarian cycle with its different phases
...

Explain mechanism of fertilization in humans
...


9

3
...
Dominance, segregation and independent assortment
B
...
Linkage, dominance and segregation
D
...

Which one of the following is back cross?
A
...
F1 × Recessive parent
C
...
F1 × Any parent
RR (Red) Antirrhinum is crossed with white (WW) one
...
This is an example of
A
...
Incomplete dominance
C
...
Supplementary genes
The word chromosome was coined by
A
...
Waldeyer
C
...
T
...
Morgan
Nullisomy is represented by
...
(2n-1)
B
...
(2n+1)
D
...
Monoploidy
B
...
Polyploidy
D
...
XX-XY
B
...
ZZ-ZO
D
...
The chance of its beings
a son is ……
A
...
25%
C
...
100%
In human beings 45 chromosomes/single X/XO abnormality causes
A
...
Klinfelter's syndrome
C
...
Edward's syndrome
Webbed neck is characteristic of … syndrome
...
XXX B
...
XXY D
...

What is allelomorph?
What is test cross?
Define euploidy
...

How many linkage groups are present in Drosophila melanogaster?
Which genes show straight inheritance?
How drones are produced in honey bees?
What is the reason for 21st trisomy?
Give the example of X- monosomy you have studied
...

Explain test cross with suitable example and state its ratios
...

Explain codominance in colour coat in cattle with checker board method
...

Write a note on sex linkage
...

Explain mechanism of sex determination in birds
...


ER
TM
,P

1
2
3
4
5
6
7
8
9
10

E

SHORT ANSWER TYPE QUESTIONS (SA-I) (2 MARKS EACH)

SHORT ANSWER TYPE QUESTIONS (SA-II) (3 MARKS EACH)

1
2
3
4

SC

5
6
7
8
9
10

Enlist dominant and recessive characters in pea plant with respect to position of
flower, colour of seed and colour of pod in tabulated form
...

Describe the structure of sex chromosomes with the help of labelled diagram
...

Explain the inheritance pattern of colour blindness with suitable chart
...

Explain the mechanism of sex determination in humans with suitable chart
...

What are the different characters that develop due to Klinfelter’s syndrome?
Give reasons for development of Turner’s syndrome and also mention its
symptoms
...
Give statements for various laws of inheritance
...

Explain structure of chromosomes with labelled diagram
...

Give an account of one Mendelian and one chromosomal disorder you have
studied
...
MOLECULAR BASIS OF INHERITANCE
MULTIPLE CHOICE QUESTIONS (1 MARK EACH)

4

5

6

E

SC

7

N

3

U

2

Find the odd one out:
A H 2A
B H3
C H2B
D H1
What happened when heat killed S-cells along with live R-cells were injected
into mice?
A Mice died and showed live S-cells
B Mice survived and showed live S-cells
C Mice died and showed live R-cells
D Mice died and showed dead R-cells
Find out the double ring compound :
A Adenine
B Uracil
C Cytosine
D Thymine
If a DNA has 20 Adenine and 30 cytosine bases
...
New strand
synthesized on it will be :
A GATCAUATG
B GTACTAACG
C GAACTAATG
D GTACTAATG
During DNA replication, the separated strands of DNA are prevented from
recoiling by
A DNA primase
B Sigma factor
C Rho-factor
D SSBP
In which of the following synthesis of DNA strand is not involved directly?
A m RNA
B t RNA
C Another DNA strand
D Protein
Wobble hypothesis is related with
A Ambiguity in codon
B Purine pyrimidine equality
C Genetic code is triplet
D Degeneracy of genetic code and economy of tRNA molecules in the cell

ER
TM
,P

1

8

9

12

14

SC
ER
TM

15

E

13

N

12

U

11

During elongation of polypeptide chain, sigma factor is :
A Functionless
B Retained for specific function
C Released for re-use
D Required during closing of chain
Enzyme required for peptide formation is :
A Peptidase
B Peptidyl transferase
C Nitrogenase
D Nitrate reductase
Exon segments are reunited after splicing by
A RNA primase
B RNA protease
C RNA polymerase
D RNA ligase
In lac operon, lactose acts as:
A Inducer
B Co-inducer
C Repressor
D Co-repressor
A unit of lac-operon which in the absence of lactose, suppresses the activity
of operator gene is :
A Structural gene
B Regulatory gene
C Repressor protein
D Promoter gene
A DNA segment has 75 cytosine and 40 thymine nucleotides
...

What is meant by activation of amino acids?
What is the role of Mg++ in Translation?
What are the different types of mutations?
Enlist the names of enzymes used in semiconservative replication of DNA?
What is central dogma of molecular biology?
What type of isotopes used in semiconservative replication experiments?
What is the function of RNA primer?
What is the function of SSBP?
Define RFLP’
Define Heterochromatin

13

SHORT ANSWER TYPE QUESTIONS(SA-I) (2 MARKS EACH)
1
2
3
4
5
6
7
8
9
10

Differentiate between Heterochromatin & Euchromatin’
How t-RNA acts as an adapter molecule? Explain in detail with the help of a
diagram
...
State its two types
Describe Hershey-Chase experiment in detail
...

Draw neat and labelled diagram of Nucleosome
...

Write a note on: packaging of DNA in Eukaryotes
...


N

SC
ER
TM

8
9

U

7

Explain the Griffith’s experiment in detail with diagram
...

Mention any three objectives of Human Genome project
...

Draw a neat and labelled diagram of transcription and processing of hn-RNA
Draw a neat and labelled diagram explaining Meselson’s and Stahl’s
experiment
...

Give diagrammatic representation of Lac-operon in the presence of an
inducer
...
Give any two applications of genomics
...

Describe the mechanism of translation with the help of a neat and labelled
diagram
...

With respect to lac- operon explain the following terms:i) regulator gene
ii) promoter gene
iii) structural gene
iv) inducer
Define DNA fingerprinting? State any three applications of it
...
ORIGIN AND EVOLUTION OF LIFE
MULTIPLE CHOICE QUESTIONS (1 MARK EACH)

4

E

SC
ER
TM

5

N

3

U

2

____________ is considered as connecting link between ape and man
...

A Marsupial
B Lemur
C Chimpanzees
D Tarsier
The proportion of an allele in the gene pool to the total number of alleles at a
given locus is called ___________
...

A deletion
B duplication
C inversion
D translocation
Any random fluctuation in allele frequency, occurring in the natural population
by pure chance is called __________
...
Does not explain survival of fittest
B
...
It is unable to explain the ‘arrival of fittest’
D
...
2p+pq+q2
B
...
p2+2pq+q2
D
...

A
...
Similar ancestry but similar or dissimilar functions
C
...
Dissimilar ancestry and similar functions

9

In which epoch rise of monocots was seen?
A
...
Oligocene
C
...
Palaeocene
15

11
...
Third eye
B
...
Wisdom teeth
D
...
Vestigial organ
B
...
homologous organs
D
...
Morning prime rose
B
...
Evening prime rose
D
...

Define mutation
...

Define Gene pool
...

Name the ancestor of human nicknamed as Handy man
Whose fossils were discovered at the site of Shivalik hills, India?

,P

1
2
3
4
5

N

VERY SHORT ANSWER QUESTIONS (1MARK EACH)

SHORT ANSWER TYPE QUESTIONS (SA-I) ( 2MARKS EACH)

1
2
3
4
5
6
7
8
9

10
11
12
13

Write a note on coacervates?
Draw a labelled diagram of Urey-Miller’s experiment
...

Give various evidences in support of Darwinism
...

What are the main features of mutation theory?
Write a note on genetic drift
...

Explain any two types of fossils and mention two points of significance of
palaeontology
...

Explain various molecular evidences in support of organic evolution
...

Mention any two developments in human which helped him to move around
safely on land
...

What is hybrid sterility?
What led to better utilization of hands for holding objects effectively and better
motor skills?
Describe modern man
...

Give an account of Hardy-Weinberg’s principle with suitable example
...

Give an account of rudimentary organs with suitable examples
...

Name any three types of postmating isolating mechanisms
...

What is chromosomal aberration? Give any two types of aberrations found in
the population
...


ER
TM
,P

1
2
3
4
5
6
7
8
9

Ancestors
Homo erectus

Special features

Buried their dead
Made tools from
stones

11

Write a note on Homo habilis

LONG ANSWER TYPE QUESTIONS (LA) (4 MARKS EACH)

Explain any two types of natural selection
...

How homology and analogy of organs support evolution, explain
...

Explain the concept of Natural Selection with the example of Industrial
Melanism
...
PLANT WATER RELATION
MULTIPLE CHOICE QUESTIONS (1 MARK EACH)

4

5

6

E

SC

7

N

3

U

2

Water present in the form of hydrated oxides of Silicon, Aluminium is
called _______________
A Hygroscopic Water
B Gravitational Water
C Combined Water
D Capillary Water
Most plant cells and tissues constitutes _______% water
A 90-95 %
B 70-80 %
C 10-25 %
D 0-20 %
______________ type of tissues are present in epiphytic roots
A Meristematic
B Parenchyma
C Velamen
D Epithelial
In the zone of absorption, epidermal cells form unicellular hair like
extensions called _________
A Epiblema cells
B Roots
C Root hairs
D Velamen tissues
Outer layer of root hair is made up of _________
A Cellulose
B Lignin
C Starch
D Pectin
Inner layer of root hair is made up of __________
A Cellulose
B Lignin
C Starch
D Pectin
Cell wall is __________
A Selectively Permeable
B Freely Permeable
C Non Permeable
D Impermeable
Plasma Membrane is ___________
A Selectively Permeable
B Freely Permeable
C Non Permeable
D Impermeable
Root hair is _____________ extension of epiblema cells
A Cytoplasmic
B Protoplasmic
C Nucleoplasmic
D Cellulosic
Fine soil particles imbibe or absorb water and hold it
...
Pure water
B
...
Hypotonic solution
D
...
Solid
B
...
Imbibate
D
...

Ultimately it becomes symplastic at
...
Pericycle
B
...
Xylem
D
...
Capillary force
B
...
Root pressure
D
...
Nerium
B
...
Grass
D
...

What is DPD?
Which symbol is used to denote water potential?
What do you understand by the term lateral conduction of food?
Which organ is mainly involved in guttation?

SC

1
2
3
4
5
6
7
8
9
10
11
12
...

Explain the structure of root hair
...

Define imbibate and imbibant
...

Differentiate between exosmosis and endosmosis
...

Give various objections to root pressure theory
...

Give advantages of transpiration
...

Draw a neat and labelled diagram of Root hair
...

How roots can act as a water absorbing organ?

5

Why capillarity theory was discarded?

6

Explain the concept of water potential
...


8

Describe the path of water across the root with the help of labelled diagram

9

Differentiate between passive and active absorption

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