Plus One Public Exam March 2019 One Mark Question Paper

Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

Questions:

Multiple Choice Question

100 x 1 = 100

In sharks, one of the following is absent ___________

(a)

Claspers

(b)

Placoid scales

(c)

Cartilaginous endoskeleton

(d)

Air bladder

What P indicates in ECG?

(a)

End of atrium systole

(b)

Starting of atrium systole

(c)

End of ventricle systole

(d)

Starting of ventricle systole

Which of the following is a excretory organ in mollusca?

(a)

Keber's organ

(b)

nephridia

(c)

Malphingan organ

(d)

Flame cells

Which ones are bile salts __________

(a)

Haemoglobin and biliverdine

(b)

Bilirubin and biliverdine

(c)

Bilirubin and Haemoglobin

(d)

Sodium glycolate and taurocholate

Enzyme lactase occurs in ___________

(a)

Saliva

(b)

Pancreatic juice

(c)

Intestinal juice

(d)

Stomach

Gradual break down of the thin walls of the alveoli decreasing the total surface area of the gaseous exchange is ________

(a)

bronchitis

(b)

emphysema

(c)

asthma

(d)

tuberculosis

Which of the following is incorrect with regard to the formation of oxyhaemoglobin in the alveoli?

(a)

high _pCO₂

(b)

less H⁺ concentration

(c)

low _pCO₂

(d)

low temperature

Peyer's patches produce_______________

(a)

monocytes

(b)

lymphocytes

(c)

basophils

(d)

neutrophils

The walls of the Bronchial tubes have __________.

(a)

Dense irregular connective tissues

(b)

Reticular connective tissue

(c)

elastic connective tissue

(d)

Adipose tissue

10.

Salivary gland is __________ .

(a)

Unicellular, glandular cells

(b)

Multicellular, glandular cells

(c)

Unicellular, sensory cells

(d)

Multicellular, sensory cells

11.

Origin of species is the book written by ________

(a)

John Ray

(b)

Charles Darwin

(c)

Linnaeus

(d)

Aristotle

12.

Elaioplasts store ____________

(a)

Starch

(b)

Lipid

(c)

Protein

(d)

Chlorophyll

13.

Duplicate specimen of holotype is

(a)

Lectotype

(b)

Isotype

(c)

Neotype

(d)

Syntype

14.

Mycobacterium is a ___________ .

(a)

parasite

(b)

symbiont

(c)

saprophyte

(d)

free-living

15.

Arrangement of veins on lamina is called_______________.

(a)

venation

(b)

estivation

(c)

placentation

(d)

phyllotaxy

16.

(a) Beta vulgaris	(i) Breathing root
(b) Daucus carota	(ii) Napiform root
(c) Avicennia	(iii) Fusiform root
(d) Raphanus sativus	(iv) Conical root

(a)

a-iv b-ii c-i d-iii

(b)

a-i b-ii c-iii d-iv

(c)

a-iv b-iii c-ii d-i

(d)

a-ii b-iv c-i d-iii

17.

___________the spindle assembly checkpoint which decides the cell to enter anaphase.

(a)

Prophase

(b)

Metaphase

(c)

Anaphase

(d)

Telophase

18.

The ________ is the organising centre of the cell.

(a)

Nucleus

(b)

Centromere

(c)

Chromatids

(d)

Cytokinesis

19.

Base of anther is attached to the tip of filament___________.

(a)

Basifixed

(b)

Dorsifixed

(c)

Versatile

(d)

Adnate

20.

_________ is largely used for population genetics studies.

(a)

Amplified Fragment Length Polymorphism

(b)

Random Amplified Polymorphic DNA

(c)

DNA barcoding

(d)

Paul Hebert

21.

A plant with both pistillate and bisexual flowers _______________.

(a)

Monoecious

(b)

Dioecious

(c)

Andromonoecious

(d)

Gynomonoecious

22.

Match the following.

A) Aristotle	i) Animalcules
B) Robert Hooke	ii) Idea on Cell theory
C) Antonie von Leeuwenhoek	iii) Basic features of the cell theory
D) Robert Brown animals and plants	iv} First recognised that
E) H. J. Dutrochet	v) Cell division
F) Theodor Schwann	vi) Nucleus
G) Rudolf Virchow	vii) Micrographia

(a)

A - i), B - ii), C - iii), D - iv), E - v), F - vi), G -vii)

(b)

A - iv), B - vii), C - i), D - vi), E - ii), F - iii),G-v)

(c)

A -vii), B - vi), C - v), D - iv), E- ii), F - i)i G - iii)

(d)

A -iv), B - ii), C - i), D - iii), E - vii), F - vi),G - v)

23.

Lichen which grown on rock is ________.

(a)

Tericolous

(b)

Lignicolous

(c)

Saxicolous

(d)

Corticolous

24.

The amount of blood pumped out by each ventricle per minute is called ___________

(a)

pulse pressure

(b)

cardiac output

(c)

stroke volume

(d)

heart rate

25.

The zoological name of the cockroach is __________

(a)

Periplaneta americana

(b)

Lampito mauritti

(c)

Rana hexadactyla

(d)

Metaphire posthuma

26.

Match the following and choose the correct answer:

Photoreceptors	detect chemical changes
Gustatory	sense of touch
Chemoreceptors	sense of smell
Olfactory receptors	sense of taste
Tactile receptors	sense of light

(a)

(a)-(v), (b)-(iv), (c)-(i), (d)-(iii), (e)-(ii)

(b)

(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i), (e)-(v)

(c)

(a)-(i), (b)-(ii), (c)-(iii)~ (d)-(v), (e)-(iv)

(d)

(a)-(ii), (b)-(iv), (c)-(iii), (d)-(v), (e)-(i)

27.

The binomial name of National animal of lndia is ____________

(a)

Panthera tigris

(b)

Corvus splendens

(c)

Felis domestica

(d)

Liger

28.

Indicate the correct statement:

(a)

The rate of reaction is indirectly proportional to the enzyme concentration.

(b)

The rate of reaction is directly proportional to the enzyme concentration.

(c)

The rate of reaction is indirectly proportional to increase of temperature

(d)

None of the above.

29.

Seed dormancy allows the plants to

(a)

overcome unfavourable climatic conditions

(b)

develop healthy seeds

(c)

reduce viability

(d)

prevent deterioration of seeds

30.

Select the correctly matched one

A) Human urine	i) Auxin –B
B) Corn gram oil	ii) GA₃
C) Fungus	iii) Abscisic acid II
D) Herring fish sperm	iv) Kinitin
E) Unripe maize grains	v) Auxin A
F) Young cotton bolls	vi) Zeatin

(a)

A	B	C	D	E	F
iii	iv	v	vi	i	ii

(b)

A	B	C	D	E	F
v	i	ii	iv	vi	iii

(c)

A	B	C	D	E	F
iii	v	vi	i	ii	iv

(d)

A	B	C	D	E	F
ii	iii	v	vi	iv	i

31.

If the diameter of the pulley is 12 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.

(a)

3 inches

(b)

6 inches

(c)

12 inches

(d)

30 inches

32.

Assertion (A): Oxidative phosphorylation takes place during the electron transport chain in mitochondria.
Reason (R): Succinyl CoA is phosphorylated into succinic acid by substrate phosphorylation.

(a)

A and R is correct. R is correct explanation of A

(b)

A and R is correct but R is not the correct explanation of A

(c)

A is correct but R is wrong

(d)

A and R is wrong.

33.

During oxidation of two molecules of cytosolic NADH + H⁺, number of ATP molecules produced in plants are _____.

(a)

(b)

(c)

(d)

34.

The number of ATP molecules formed by complete oxidation of one molecule of pyruvic acid is _______.

(a)

(b)

(c)

(d)

35.

Identify true statement regarding light reaction of photosynthesis.

(a)

Splitting of water molecule is associate with PS I.

(b)

PS I and PS II involved in the formation of NADPH + H⁺

(c)

The reaction center of PS I is Chlorophyll a with absorption peak at 680 nm.

(d)

The reaction center of PS II is Chlorophyll a with absorption peak at 700 nm.

36.

The correct sequence of flow of electrons in the light reaction is _______.

(a)

PS II, plastoquinone, cytochrome, PS I, ferredoxin.

(b)

PS I, plastoquinone, cytochrome, PS II ferredoxin.

(c)

PS II, ferredoxin, plastoquinone, cytochrome, PS I.

(d)

PS II, plastoquinone, cytochrome, PS II, ferredoxin.

37.

Match the correct combination.
Minerals Role A Molybdenum 1 Chlorophyll B Zinc 2 Methionine C Magnesium 3 Auxin D Sulphur 4 Nitrogenase

(a)

A B C D 1 3 4 2

(b)

A B C D 2 1 3 4

(c)

A B C D 4 3 1 2

(d)

A B C D 4 2 1 3

38.

Identify correct match.

1. Die back disease of citrus	(i) Mo
2. Whip tail disease	(ii) Zn
3. Brown heart of turnip	(iii) Cu
4. Little leaf	(iv) B

(a)

1(iii) 2 (ii) 3 (iv) 4 (i)

(b)

1 (iii) 2 (i) 3 (iv) 4 (ii)

(c)

1 (i) 2 (iii) 3 (ii) 4 (iv)

(d)

1 (iii) 2 (iv) 3 (ii) 4 (i)

39.

Which among the following is correct?
i. Apoplast is fastest and operate in nonliving part.
ii. Transmembrane route includes vacuole.
iii. Symplast interconnect the nearby cell through plasmadesmata.
iv. Symplast and transmembrane route are in living part of the cell

(a)

i and ii

(b)

ii and iii

(c)

iii and iv

(d)

i, ii, iii, iv

40.

In a fully turgid cell _____.

(a)

DPD = 10 atm; OP = 5 atm; TP = 10 atm

(b)

DPD = 0 atm; OP = 10 atm; TP = 10 atm

(c)

DPD = 0 atm; OP = 5 atm; TP = 10 atm

(d)

DPD = 20 atm; OP = 20 atm; TP = 10 atm

41.

The common bottle cork is a product of______.

(a)

Phellem

(b)

Phellogen

(c)

Xylem

(d)

Vascular cambium

42.

Usually, the monocotyledons do not increase their girth, because ____.

(a)

They possess actively dividing cambium

(b)

They do not possess actively dividing cambium

(c)

Ceases activity of cambium

(d)

All are correct

43.

Grafting is successful in dicots but not in monocots because the dicots have _______.

(a)

Vascular bundles arranged in a ring

(b)

Cambium for secondary growth

(c)

Vessels with elements arranged end to end

(d)

Cork cambium

44.

Refer to the given figure and select the correct statement.

i. A, B, and C are histogen of shoot apex
ii. A Gives rise to medullary rays.
iii. B Gives rise to cortex
iv. C Gives rise to epidermis

(a)

i and ii only

(b)

ii and iii only

(c)

i and iii only

(d)

iii and iv only

45.

_______________ is also called stress combat hormone.

(a)

Adrenalin

(b)

Cortisol

(c)

Epinephrine

(d)

Aldosterone

46.

The neurohypophysis is otherwise known as________________

(a)

pars distalis

(b)

pars nervosa

(c)

pars intermedia

(d)

pars tuberalis

47.

Assertion (A): The inner ear acts as an organ of balance.
Reason (R): It contains the ear ossicles.

(a)

A and R are wrong

(b)

R explains A

(c)

A and R are right but R does not explain A

(d)

A is right, R is wrong

48.

Match the following:

A. Malleus	i. Stirrup bone
B. Scala media	ii. Anvil bone
C. Incus	iii. Hammer bone
D. Stapes	iv. Endolymph

(a)

A	B	C	D
iii	iv	ii	i

(b)

A	B	C	D
i	ii	iii	iv

(c)

A	B	C	D
iii	ii	i	iv

(d)

A	B	C	D
iv	i	iii	ii

49.

Which of the following statement concerning the somatic division of the peripheral neural system is incorrect?

(a)

Its pathways innervate skeletal muscles

(b)

Its pathways are usually voluntary

(c)

Some of its pathways are referred to as reflex arcs

(d)

Its pathways always involve four neurons

50.

Which of the following pairings is correct?

(a)

Sensory nerve - afferent

(b)

Motor nerve - afferent

(c)

Sensory nerve - ventral

(d)

Motor nerve - dorsal

51.

A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of ____.

(a)

Low secretion of growth hormone

(b)

Cancer of the thyroid gland

(c)

Over secretion of pars distalis

(d)

Deficiency of iodine in diet

52.

Which of the following hormone is not secreted under the influence of pituitary gland?

(a)

Thyroxine

(b)

Insulin

(c)

Oestrogen

(d)

Glucocorticoids

53.

The silk glands are ___________ glands

(a)

sweat glands

(b)

salivary glands

(c)

oral glands

(d)

digestive glands

54.

___________ is called African bee.

(a)

Apis indica

(b)

Apis dorsata

(c)

Apis adamsoni

(d)

Apis mellifera

55.

Gout is caused due to accumulation of ______________in the joints.

(a)

urea

(b)

troponin

(c)

uric acid

(d)

glycosomes

56.

There are about _____________muscles in our body.

(a)

500

(b)

530

(c)

640

(d)

620

57.

Assertion: The best quality of the pearl is known as Linga pearl and obtained from marine oysters.
Reason: Nacre is secreted continuously by the epithelial layer of the mantle and deposited around the foreign particle.

(a)

Assertion is true, Reason is false

(b)

Assertion and Reason are false

(c)

Assertion is false But Reason is true

(d)

Assertion and Reason are true

58.

Aquaponics is a technique which is _______.

(a)

A combination of aquaculture and fish culture

(b)

A combination of aquaculture and hydroponics

(c)

A combination of vermiculture and hydroponics

(d)

A combination of aquaculture and prawn culture

59.

Each skeletal muscle is covered by ______.

(a)

epimysium

(b)

perimysium

(c)

endomysium

(d)

hypomysium

60.

The pigment present in the muscle fibre to store oxygen is _____.

(a)

myoglobin

(b)

troponin

(c)

myosin

(d)

actin

61.

________________is not a symptom of glomerulonephritis.

(a)

Hypertension

(b)

Haematuria

(c)

Proteinuria

(d)

Renal colic pain

62.

The ureter, blood vessels enter the kidney through_____________

(a)

Hilum

(b)

Renal columns of Bertini

(c)

Hilus

(d)

Renal pelvis

63.

During inspiration, the diaphragm _____.

(a)

expands

(b)

unchanged

(c)

relaxes to become domed-shaped

(d)

contracts and flattens

64.

Breathing is controlled by _____.

(a)

cerebrum

(b)

medulla oblongata

(c)

cerebellum

(d)

pons

65.

Animal requiring minimum amount of water to produce urine are ______.

(a)

ureotelic

(b)

ammonotelic

(c)

uricotelic

(d)

chemotelic

66.

A person who is on a long hunger strike and is surviving only on water, will have

(a)

Less amino acids in his urine

(b)

Macula densa cells

(c)

Less urea in his urine

(d)

More sodium in his urine

67.

Match column I with column II and choose the correct option

Column I	Column II
(P) Small intestine	i) 23 cm
(Q) Large intestine	ii) 4 meter
(R) Oesophagus	iii) 12.5 cm
(S) Pharynx	iv) 1.5 meter

(a)

P	Q	R	S
iv	ii	i	iii

(b)

P	Q	R	S
ii	iv	i	iii

(c)

P	Q	R	S
i	iii	ii	iv

(d)

P	Q	R	S
iii	i	ii	iv

68.

Absorption of glycerol, fatty acids and monoglycerides takes place by ______.

(a)

Lymph vessels within villi

(b)

Walls of stomach

(c)

Colon

(d)

Capillaries within villi

69.

A patient's chart reveals that he has a cardiac output of 7500mL per minute and a stroke volume of 50 mL. What is his pulse rate (in beats/min)?

(a)

(b)

100

(c)

150

(d)

400

70.

Lymph is colourless because ____.

(a)

WBC are absent

(b)

WBC are present

(c)

Haemoglobin is absent

(d)

RBC are absent

71.

How many abdominal segments are present in male and female Cockroaches?

(a)

10, 10

(b)

9, 10

(c)

8, 10

(d)

9,9

72.

The head region of Cockroach, _______ pairs of _____ and shaped eyes occur.

(a)

One pair, sessile compound and kidney shaped

(b)

Two pairs, stalked compound and round shaped

(c)

Many pairs, sessile simple and kidney shaped

(d)

Many pairs, stalked compound and kidney shaped

73.

Prevention of substances from leaking across the tissue is provided by ______.

(a)

Tight junction

(b)

Adhering junction

(c)

Gap junction

(d)

Elastic junction

74.

The ciliated epithelium lines the _______.

(a)

Skin

(b)

Digestive tract

(c)

Gall bladder

(d)

Trachea

75.

Match the following columns and select the correct option.

Column - I	Column - II
(p) Pila	(i) Devil fish
(q) Dentalium	(ii) Chiton
(r) Chaetopleura	(iii) Apple snail
(s) Octopus	(iv) Tusk shell

(a)

p	q	r	s
(ii)	(i)	(iii)	(iv)

(b)

p	q	r	s
(iii)	(iv)	(ii)	(i)

(c)

p	q	r	s
(ii)	(iv)	(i)	(iii)

(d)

p	q	r	s
(i)	(ii)	(iii)	(iv)

76.

The symmetry exhibited in cnidarians is ______.

(a)

Radial

(b)

Bilateral

(c)

Pentamerous radial

(d)

Asymmetrical

77.

What taxonomic aid gives comprehensive information about a taxon?

(a)

Taxonomic Key

(b)

Herbarium

(c)

Flora

(d)

Monograph

78.

A group of organisms having similar traits of a rank is _______.

(a)

Species

(b)

Taxon

(c)

Genus

(d)

Family

79.

Enzyme and substrate complement each other like a ___________.

(a)

Pencil & eraser

(b)

Pen & Paper

(c)

Lock & key

(d)

all above

80.

Carolus Linnaeus was a ..............

(a)

British botanist

(b)

Indian botanist

(c)

German botanist

(d)

Swedish botanist

81.

Example for negatively geotropic roots __________

(a)

Ipomoea, Dahlia

(b)

Asparagus, Ruellia

(c)

Vitis, Portulaca

(d)

Avicennia, Rhizophora

82.

When the root is thick and fleshy, but does not taken a definite shape, it said to be _________

(a)

Nodulose root

(b)

Tuberous root

(c)

Monilliform root

(d)

Fasiculated root

83.

In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

(a)

Proximal

(b)

Distal

(c)

Intercalary

(d)

Anywhere

84.

Gynoecium with united carpels is termed as ______.

(a)

Apocarpous

(b)

Multicarpellary

(c)

Syncarpous

(d)

None of the above

85.

Identify the Archaebacterium.

(a)

Acetobacter

(b)

Erwinia

(c)

Treponema

(d)

Methanobacterium

86.

Identify the incorrect statement about the Gram positive bacteria.

(a)

Teichoic acid absent

(b)

High percentage of peptidoglycan is found in cell wall

(c)

Cell wall is single layered

(d)

Lipopolysaccharide is present in cell wall

87.

Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

(a)

Antibiotics

(b)

Pigment conferring colour to skin

(c)

Pigments making colours of flowers

(d)

Hormones

88.

An example of feedback inhibition is

(a)

Cyanide action on cytochrome

(b)

Sulpha drug on folic acid synthesiser bacteria

(c)

Allosteric inhibition of hexokinase by glucose-6-phosphate

(d)

The inhibition of succinic dehydrogenase by malonate

89.

Match the columns and identify the correct option:

	Column I		Column II
A	Thylakoids	1.	Disc-shaped sacs in Golgi apparatus
B.	Cristae	2.	Condensed structure of DNA
C.	Cisternae	3.	Flat membranous sacs in stroma
D	Chromatin	4.	Infoldings in mitochondria

(a)

A	B	C	D
(iii)	(iv)	(ii)	(i)

(b)

A	B	C	D
(iv)	(iii)	(i)	(ii)

(c)

A	B	C	D
(iii)	(iv)	(i)	(ii)

(d)

A	B	C	D
(iii)	(i)	(iv)	(ii)

90.

Many cells function properly and divide mitotically even though they do not have.

(a)

plasma membrane

(b)

cytoskeleton

(c)

mitochondria

(d)

plastids

91.

The two subunits of ribosomes remain united at critical ion level of _______.

(a)

Magnesium

(b)

Calcium

(c)

Sodium

(d)

Ferrous

92.

Perianth is present in_______.

(a)

Clitoria ternatea

(b)

Datura metel

(c)

Allium cepa

(d)

Pongamia pinnata

93.

The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

(a)

Chemotaxonomy

(b)

Molecular systematics

(c)

Serotaxonomy

(d)

Numerical taxonomy

94.

Phylogenetic classification is the most favoured classification because it reflects _______.

(a)

Comparative Anatomy

(b)

Number of flowers produced

(c)

Comparative cytology

(d)

Evolutionary relationships

95.

The pairing of homologous Chromosomes on meiosis is known as _____.

(a)

Bivalent

(b)

Synapsis

(c)

Disjunction

(d)

Synergids

96.

If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

(a)

S Phase

(b)

G2 Phase

(c)

M Phase

(d)

G0 Phase

97.

_____after fertilization becomes a seed.

(a)

Ovary

(b)

Megaspore

(c)

Ovule

(d)

Microsporangium

98.

________is not included pteridophytes.

(a)

Club moss

(b)

Quill worts

(c)

Kelps

(d)

Horsetails

99.

The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be

(a)

(b)

(c)

(d)

100.

Which of the plant group has gametophyte as a dominant phase?

(a)

Pteridophytes

(b)

Bryophytes

(c)

Gymnosperms

(d)

Angiosperms

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

Multiple Choice Question

100 x 1 = 100

(d)
Air bladder

(b)
Starting of atrium systole

(a)
Keber's organ

(d)
Sodium glycolate and taurocholate

(b)
emphysema

(a)
high _pCO₂

(b)
lymphocytes

10.

11.

(b)
Charles Darwin

12.

(b)
Lipid

13.

(b)
Isotype

14.

(a)
parasite

15.

(a)
venation

16.

(d)
a-ii b-iv c-i d-iii

17.

(b)
Metaphase

18.

(a)
Nucleus

19.

(a)
Basifixed

20.

(a)
Amplified Fragment Length Polymorphism

21.

(d)
Gynomonoecious

22.

(b)
A - iv), B - vii), C - i), D - vi), E - ii), F - iii),G-v)

23.

24.

(b)
cardiac output

25.

(a)
Periplaneta americana

26.

(a)
(a)-(v), (b)-(iv), (c)-(i), (d)-(iii), (e)-(ii)

27.

(a)
Panthera tigris

28.

29.

(a)
overcome unfavourable climatic conditions

30.

(b)

A B C D E F

v i ii iv vi iii

31.

(a)
3 inches

32.

(b)
A and R is correct but R is not the correct explanation of A

33.

(b)
4

34.

35.

(b)
PS I and PS II involved in the formation of NADPH + H⁺

36.

(a)
PS II, plastoquinone, cytochrome, PS I, ferredoxin.

37.

38.

(b)
1 (iii) 2 (i) 3 (iv) 4 (ii)

39.

(d)
i, ii, iii, iv

40.

(b)
DPD = 0 atm; OP = 10 atm; TP = 10 atm

41.

(b)
Phellogen

42.

(b)
They do not possess actively dividing cambium

43.

(b)
Cambium for secondary growth

44.

45.

(b)
Cortisol

46.

(b)
pars nervosa

47.

(d)
A is right, R is wrong

48.

(a)

A B C D

iii iv ii i

49.

(d)
Its pathways always involve four neurons

50.

(a)
Sensory nerve - afferent

51.

(a)
Low secretion of growth hormone

52.

(b)
Insulin

53.

(b)
salivary glands

54.

55.

56.

57.

(d)
Assertion and Reason are true

58.

(b)
A combination of aquaculture and hydroponics

59.

(a)
epimysium

60.

(a)
myoglobin

61.

(d)
Renal colic pain

62.

(a)
Hilum

63.

(d)
contracts and flattens

64.

(b)
medulla oblongata

65.

66.

67.

(b)

P Q R S

ii iv i iii

68.

(a)
Lymph vessels within villi

69.

70.

71.

(a)
10, 10

72.

(a)
One pair, sessile compound and kidney shaped

73.

(a)
Tight junction

74.

(d)
Trachea

75.

(b)

p q r s

(iii) (iv) (ii) (i)

76.

(a)
Radial

77.

(a)
Taxonomic Key

78.

(a)
Species

79.

80.

(d)
Swedish botanist

81.

(d)
Avicennia, Rhizophora

82.

(b)
Tuberous root

83.

(a)
Proximal

84.

85.

(d)
Methanobacterium

86.

(d)
Lipopolysaccharide is present in cell wall

87.

(d)
Hormones

88.

89.

90.

(d)
plastids

91.

(a)
Magnesium

92.

93.

94.

(d)
Evolutionary relationships

95.

(b)
Synapsis

96.

(d)
G0 Phase

97.

98.

99.

100.

(b)
Bryophytes

Plus One Biology Public Exam March 2019 One Mark Question Paper

QB365 Student Learing Managemnet System

Std: 11th Standard - Biology

chapter: - Model Question paper

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

NEW MCQ Practice Test - Tamilnadu Stateboard Class 11

Biology Tamilnadu Stateboard Class 11 MCQ Practice Test

Tamilnadu Stateboard Class 11 MCQ Practice Test

11th Standard Study Materials