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Questions:

Multiple Choice Question

50 x 1 = 50

The development of adult characteristics in a moulting insect is promoted by __________

(a)

pheromone

(b)

thyroxine

(c)

juvenile hormone

(d)

ecdysone

Cilia of gills of bivalve molluscs help in ______________

(a)

protection

(b)

respiration

(c)

excretion

(d)

feeding

Animals devoid of respiratory, excretory and circulatory organs are belongs to phylum __________

(a)

echinodermata

(b)

platyhelminthes

(c)

porifera

(d)

mollusca

Caterpiller and maggot are ____________

(a)

larvae

(b)

nymphs

(c)

adults

(d)

pupa

Malpighian tubules are ___________

(a)

excretory organs of insects

(b)

excretory organs of frog

(c)

respiratory organs of insects

(d)

endocrine glands of insects

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

(a)

aschelminthes (round worms)

(b)

ctenophores

(c)

sponges

(d)

coelenterates (cnidarians)

Tube feet are the locomotory organs of ________

(a)

Platyhelminthes

(b)

Echinodermata

(c)

Mollusca

(d)

Arthropoda

Mollusca is _______

(a)

Triploblastic, acoelomate

(b)

Triploblastic, coelomate

(c)

Diploblastic, acoelomate

(d)

Diploblastic, coelomate

Medusa is the Reproductive organs of ___________

(a)

Hydra

(b)

Aurelia

(c)

obelia

(d)

sea anemone

10.

Cavity of coelenterates is called ____________

(a)

coelenteron

(b)

coelom

(c)

cavity

(d)

none of these

11.

Classification of sponges is primarily based on the __________

(a)

body organization

(b)

body plan

(c)

skeleton

(d)

canal system

12.

Two different kinds of leaf in the same plants is called ___________.

(a)

Isobilateral

(b)

Homophylly

(c)

Heterophylly

(d)

Centric

13.

___________ plant leaf is modified as Pitcher.

(a)

Acacia

(b)

Aloe

(c)

Nepenthes

(d)

Pisum

14.

Match.the following.

A) Unifoliolate	1. Aegle Marmelos
B) Bifoliolate	2. Paris quadrifoliate
C) Trifoliate	3. Bombax
D) Quadrifoliate	4. Citrus
E) Multifoliate	5. Zornia

(a)

A - 4, B - 5, C - 1, D - 2, E - 3

(b)

A - 3, B - 4,C - 5,D - 1,E - 2

(c)

A-1, B-2, C-3, D-4, E-5

(d)

A - 4, B - 5, C - 3, D - 2, E - 1

15.

Lawn grass is stem modification of __________.

(a)

Runner

(b)

Stolon

(c)

Offset

(d)

Sucker

16.

The large flattened structure in Ruscus is ________.

(a)

Cladode

(b)

Cladophyll

(c)

Leaf scale

(d)

Petiole

17.

In Opuntia, the spines represent the modification of __________.

(a)

Stem

(b)

Leaves

(c)

Root

(d)

None of the above

18.

Stem is changed into fleshy green structure is called as _________.

(a)

Phyllode

(b)

Corm

(c)

Bulbil

(d)

Phylloclade

19.

Give an example for foliar buds _________.

(a)

Agave

(b)

Bryophyllum

(c)

Citrus

(d)

Duranta

20.

Photosynthetic roots are present in _________.

(a)

Viscum

(b)

Tinospora

(c)

Cassytha

(d)

Orabanche

21.

Which of them has Haustorial roots?

(a)

Cuscuta

(b)

Trapa

(c)

Tinospora

(d)

Avecinia

22.

Winged petiole is found in ___________

(a)

citrus

(b)

radish

(c)

acacia

(d)

peepal

23.

Potatoes are borne on _________

(a)

Primary roots

(b)

lateral roots

(c)

Adventitious roots

(d)

axil of scaly leaves

24.

Epiphytic roots are found in __________

(a)

Indian rubber

(b)

Orchid

(c)

Tinospora

(d)

Cuscuta

25.

Venation is a term used to describe the pattern of arrangement of ___________

(a)

floral organs

(b)

veins and veinlets in a lamina

(c)

flower in inflorescence

(d)

all of them

26.

Match the following:

(i) Pothos	(a) Stem climber
(ii) Ipomoea	(b) Thorn climber
(iii) Bignonia	(c) Root climber
(iv) Carissa	(d) Hook climber

(a)

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

(b)

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

(c)

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

(d)

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

27.

The root system of the plant is generally _____________

(a)

positively geotropic and negatively phototropic in nature

(b)

negatively geotropic and positively phototropic in nature

(c)

negatively geotropic and positively phototropic in nature

(d)

negatively geotropic and negatively phototropic in nature

28.

Phyllanthus amarus belongs to the group ____________

(a)

Shrubs

(b)

Herbs

(c)

Climbers

(d)

Trees

29.

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

30.

The element which is not remobilized?

(a)

Phosphorus

(b)

Potassium

(c)

Calcium

(d)

Nitrogen

31.

If a plant is provided with all mineral nutrients but, Mn concentration is increased, what will be the deficiency?

(a)

Mn prevent the uptake of Fe, Mg but not Ca

(b)

Mn increase the uptake of Fe, Mg and Ca

(c)

Only increase the uptake of Ca

(d)

Prevent the uptake Fe, Mg, and Ca

32.

Pneumatic bones are seen in _______.

(a)

Mammalia

(b)

Aves

(c)

Reptilia

(d)

Sponges

33.

Which of the following is an egg laying mammal?

(a)

Delphinus

(b)

Macropus

(c)

Ornithorhynchus

(d)

Equus

34.

The respiratory pigment in cockroach is _____.

(a)

Haemoglobin

(b)

Haemocyanin

(c)

Oxyhaemoglobin

(d)

None of the above

35.

Which of the following is a crustacean?

(a)

Prawn

(b)

Snail

(c)

Sea anemone

(d)

Hydra

36.

Nephridia of Earthworms are performing the same functions as ______.

(a)

Gills of prawn

(b)

Flame cells of Planaria

(c)

Trachea of insects

(d)

Nematoblasts of Hydra

37.

In which of the following organisms, self fertilization is seen.

(a)

Fish

(b)

Round worm

(c)

Earthworm

(d)

Liver fluke

38.

Match

1	Radical buds	i	Agave
2	Foliar bud	ii	Millingtonia
3	Cauline bud	iii	Begonia
		iv	Solanum

(a)

1 - iii, 2 - iv, 3 - i

(b)

1 - iii, 2 - i, 3 - ii

(c)

1 - ii, 2 - i, 3 - iv

(d)

1 - ii, 2 - iii, 3 - i

39.

Which one of the following is not a characteristic of root?

(a)

Presence of root cap

(b)

Presence of unicellular hair

(c)

Presence of chlorophyll

(d)

Absence of buds

40.

Stem modified into a flattened photosynthetic structure _____

(a)

Phylloclade

(b)

Bulbil

(c)

Phyllode

(d)

Tendril

41.

The terminal leaflets are modified into __________ in Bignonia

(a)

tendril

(b)

hooks

(c)

spines

(d)

foliar roots

42.

The leaf of Coriandrum is described as _____

(a)

bipinnate

(b)

unipinnate

(c)

decompound

(d)

tripinnate

43.

Stilt roots are also called _____

(a)

Pillar roots

(b)

Buttress root

(c)

Clasping root

(d)

Brace roots

44.

The root in Dahlia is described as ___

(a)

Annulated

(b)

Fasciculated

(c)

Nodulose

(d)

Beaded

45.

______ is a submerged aquatic plant.

(a)

Suaeda

(b)

Rhizophora

(c)

Vallisneria

(d)

Eichhornia

46.

_____ is an example for Lianas.

(a)

Bauhinia vahlii

(b)

Mango

(c)

Vanda

(d)

Nepenthes

47.

The growing tip of the root _____.

(a)

Root cap

(b)

Meristematic zone

(c)

Zone of elongation

(d)

Zone of maturation

48.

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

49.

Aggregate fruit develops from _____.

(a)

Multicarpellary, apocarpous ovary

(b)

Multicarpellary, syncarpous ovary

(c)

Multicarpellary ovary

(d)

Whole inflorescence

50.

Gynoecium with united carpels is termed as ______.

(a)

Apocarpous

(b)

Multicarpellary

(c)

Syncarpous

(d)

None of the above

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Answers Key:

Multiple Choice Question

50 x 1 = 50

(a)
pheromone
(b)
thyroxine
(c)
juvenile hormone
(d)
ecdysone

(a)
protection
(b)
respiration
(c)
excretion
(d)
feeding

(a)
echinodermata
(b)
platyhelminthes
(c)
porifera
(d)
mollusca

(a)
larvae
(b)
nymphs
(c)
adults
(d)
pupa

(a)
excretory organs of insects
(b)
excretory organs of frog
(c)
respiratory organs of insects
(d)
endocrine glands of insects

(a)
aschelminthes (round worms)
(b)
ctenophores
(c)
sponges
(d)
coelenterates (cnidarians)

(a)
Platyhelminthes
(b)
Echinodermata
(c)
Mollusca
(d)
Arthropoda

(a)
Triploblastic, acoelomate
(b)
Triploblastic, coelomate
(c)
Diploblastic, acoelomate
(d)
Diploblastic, coelomate

(a)
Hydra
(b)
Aurelia
(c)
obelia
(d)
sea anemone

10.

(a)
coelenteron
(b)
coelom
(c)
cavity
(d)
none of these

11.

(a)
body organization
(b)
body plan
(c)
skeleton
(d)
canal system

12.

(a)
Isobilateral
(b)
Homophylly
(c)
Heterophylly
(d)
Centric

13.

(a)
Acacia
(b)
Aloe
(c)
Nepenthes
(d)
Pisum

14.

(a)
A - 4, B - 5, C - 1, D - 2, E - 3
(b)
A - 3, B - 4,C - 5,D - 1,E - 2
(c)
A-1, B-2, C-3, D-4, E-5
(d)
A - 4, B - 5, C - 3, D - 2, E - 1

15.

(a)
Runner
(b)
Stolon
(c)
Offset
(d)
Sucker

16.

(a)
Cladode
(b)
Cladophyll
(c)
Leaf scale
(d)
Petiole

17.

(a)
Stem
(b)
Leaves
(c)
Root
(d)
None of the above

18.

(a)
Phyllode
(b)
Corm
(c)
Bulbil
(d)
Phylloclade

19.

(a)
Agave
(b)
Bryophyllum
(c)
Citrus
(d)
Duranta

20.

(a)
Viscum
(b)
Tinospora
(c)
Cassytha
(d)
Orabanche

21.

(a)
Cuscuta
(b)
Trapa
(c)
Tinospora
(d)
Avecinia

22.

(a)
citrus
(b)
radish
(c)
acacia
(d)
peepal

23.

(a)
Primary roots
(b)
lateral roots
(c)
Adventitious roots
(d)
axil of scaly leaves

24.

(a)
Indian rubber
(b)
Orchid
(c)
Tinospora
(d)
Cuscuta

25.

(a)
floral organs
(b)
veins and veinlets in a lamina
(c)
flower in inflorescence
(d)
all of them

26.

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

27.

(a)
positively geotropic and negatively phototropic in nature
(b)
negatively geotropic and positively phototropic in nature
(c)
negatively geotropic and positively phototropic in nature
(d)
negatively geotropic and negatively phototropic in nature

28.

(a)
Shrubs
(b)
Herbs
(c)
Climbers
(d)
Trees

29.

(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

30.

(a)
Phosphorus
(b)
Potassium
(c)
Calcium
(d)
Nitrogen

31.

(a)
Mn prevent the uptake of Fe, Mg but not Ca
(b)
Mn increase the uptake of Fe, Mg and Ca
(c)
Only increase the uptake of Ca
(d)
Prevent the uptake Fe, Mg, and Ca

32.

(a)
Mammalia
(b)
Aves
(c)
Reptilia
(d)
Sponges

33.

(a)
Delphinus
(b)
Macropus
(c)
Ornithorhynchus
(d)
Equus

34.

(a)
Haemoglobin
(b)
Haemocyanin
(c)
Oxyhaemoglobin
(d)
None of the above

35.

(a)
Prawn
(b)
Snail
(c)
Sea anemone
(d)
Hydra

36.

(a)
Gills of prawn
(b)
Flame cells of Planaria
(c)
Trachea of insects
(d)
Nematoblasts of Hydra

37.

(a)
Fish
(b)
Round worm
(c)
Earthworm
(d)
Liver fluke

38.

(a)
1 - iii, 2 - iv, 3 - i
(b)
1 - iii, 2 - i, 3 - ii
(c)
1 - ii, 2 - i, 3 - iv
(d)
1 - ii, 2 - iii, 3 - i

39.

(a)
Presence of root cap
(b)
Presence of unicellular hair
(c)
Presence of chlorophyll
(d)
Absence of buds

40.

(a)
Phylloclade
(b)
Bulbil
(c)
Phyllode
(d)
Tendril

41.

(a)
tendril
(b)
hooks
(c)
spines
(d)
foliar roots

42.

(a)
bipinnate
(b)
unipinnate
(c)
decompound
(d)
tripinnate

43.

(a)
Pillar roots
(b)
Buttress root
(c)
Clasping root
(d)
Brace roots

44.

(a)
Annulated
(b)
Fasciculated
(c)
Nodulose
(d)
Beaded

45.

(a)
Suaeda
(b)
Rhizophora
(c)
Vallisneria
(d)
Eichhornia

46.

(a)
Bauhinia vahlii
(b)
Mango
(c)
Vanda
(d)
Nepenthes

47.

(a)
Root cap
(b)
Meristematic zone
(c)
Zone of elongation
(d)
Zone of maturation

48.

(a)
Proximal
(b)
Distal
(c)
Intercalary
(d)
Anywhere

49.

(a)
Multicarpellary, apocarpous ovary
(b)
Multicarpellary, syncarpous ovary
(c)
Multicarpellary ovary
(d)
Whole inflorescence

50.

(a)
Apocarpous
(b)
Multicarpellary
(c)
Syncarpous
(d)
None of the above

11th Biology One Mark Important Question Paper

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