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Worksheets

6/5/2020

Total questions: 63

Worksheet time: 39mins

Name
Class
Date
1.

who discovered nucleus

a)

anton von leeuwonhok

b)

robert brown

c)

schielden

d)

schwann

2.

who gave final shape to cell theory

a)

schielden

b)

schwann

c)

rudolf virchow

d)

robert brown

3.

ribosomes are found in all except

a)

cytoplasm

b)

endoplasmic reticulum rough

c)

vacuoles

d)

mitochondria

4.

the smallest known cell is

a)

ostrich

b)

neuron

c)

mycoplasma

d)

bacteria

5.

functions of mesosomes

a)

cell wall formation

b)

dna replication

c)

dna distribution to daughter cell

d)

all of the above

6.

which of following are bristle like fibres sprouting out of the cell

a)

pili

b)

cilia

c)

fimbrae

d)

more than 1 option is correct

7.

centrioles are not present in

a)

all animals

b)

all plants

c)

majority of plants

d)

all organisms

8.

who proposed fluid mosaic model

a)

singer

b)

nicolsom

c)

both 1 and 2

d)

neither 1 nor 2

9.

middle lamellae is made up of

a)

phostphte

b)

proteins

c)

calcium pectate

d)

mucopolysaccharides

10.

which of following is not a component of endomembrane system

a)

ER

b)

golgi apparatus

c)

mitochondria

d)

lysosomes

11.

elaioplast is used for storage of

a)

starch

b)

oil

c)

potein

d)

carbohydratea

12.

80s ribosome is formed of

a)

60s and 30 s

b)

40s and 50s

c)

60s and 40s

d)

60s and 50s

13.

centromere is situated close to one end in

a)

metacentric

b)

submetacentric

c)

acrocentric

d)

telocentric

14.

which event marks the start of 2nd phase of mitosis

a)

condensation of chromosome

b)

disintegration of nuclear envelope

c)

spindle fiber attache to kinetochore

d)

chromosomal arrangement at metaphasic plate

15.

synapsis occurs in which phase

a)

leptotene

b)

zygotene

c)

pachytene

d)

diakinesis

16.

recombination nodules are formed in

a)

zygotene

b)

leptitene

c)

pachytene

d)

duakinesis

17.

chiasmata formation occurs in

a)

diplotene

b)

pachytene

c)

diakinesis

d)

zygotene

18.

which of following have brush bordered cuboidal epithelium

a)

blood vessels

b)

pct

c)

stomach

d)

intestine

19.

which of following tissue acts as support framework for epithelium

a)

adipise

b)

areolar

c)

bone

d)

dense irregular

20.

head of cockroach is formed by fusion of how many segments

a)

3

b)

4

c)

5

d)

6

21.

brood pouch in female cockroach is formed by

a)

9th and 10th sternum

b)

9th trrga and 9th sterna

c)

7th 8th and 9th sterna

d)

all tergites

22.

which of following is absent in females

a)

anal cerci

b)

hind gut

c)

anal styles

d)

anus

23.

total spiracles present jn repiratory system of cockroach

a)

10

b)

20

c)

30

d)

5

24.

cockroach is

a)

ureotalic

b)

ammonotelic

c)

uricotelic

d)

both a and b

25.

mosaic vision is

a)

less resolution, less sensitivity

b)

more resolution, more sensitivity

c)

less resolution and more sensitivity

d)

more resolution and less sensitivity

26.

which of the following provifes sticky character to bacterial cell

a)

cell wall

b)

nuclear membrane

c)

plasma membrane

d)

glycocalyx

27.

lysosomes contains

a)

ligases

b)

hydrolytic enzymes

c)

oxidoreductive enzymes

d)

isomerase enzymes

28.

which of following js not membrane bound

a)

mesosome

b)

vacuole

c)

ribosome

d)

lysosome

29.

chromatophores takes part

a)

photosynthesis

b)

growth

c)

respiration

d)

movement

30.

which of following functions as mitochondria in bacteria

a)

nuceoid

b)

ribosome

c)

cellwall

d)

mesosome

31.

lipids are synthesised in

a)

ser

b)

rer

c)

nucleoplasm

d)

golgi appartus

32.

which if following is an organelle within an organelle

a)

ER

b)

peroxisome

c)

mesosome

d)

ribosome

33.

chlorophyll is located in

a)

pyrenoid

b)

stroma

c)

grana

d)

both 1 and 3

34.

dna synthesis takes place in

a)

s phsse

b)

g1 phase

c)

g2 phsse

d)

m phase

35.

which of the following is not a characteristic feature durimg mitosis in somatic cells

a)

spindle fibres

b)

disappearence of nucleolus

c)

synapsis

d)

chromosome movement

36.

during mitosis ER and neucleolus begin to disappear in

a)

early metaphase

b)

early prophase

c)

late prophsse

d)

late metaphase

37.

morphopogy of chromosomes is best studied in

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

38.

in male cockroach, sperms are stored in

a)

mushroom glands

b)

testes

c)

vas deferns

d)

seminal vesicles

39.

the terga, sterna and pleura of cockroach are join by

a)

cartilage

b)

cementing glue

c)

muscular tissue

d)

arthroidal membrane

40.

ehich of following has open circulatory system

a)

pheretima

b)

perplanata

c)

hirudinaria

d)

octopus

41.

most abundant protein n animal world is

a)

insulin

b)

trypsin

c)

haemoglobin

d)

collagen

42.

supportive skeletal structures in ear and noseare

a)

ligament

b)

bone

c)

areolar tissue

d)

cartilage

43.

walls of blood vessels are lined by

a)

columnar epithelium

b)

connective tissue

c)

smooth muscles

d)

squamous epithelium

44.

epithelium on inner surface of bronchioles and fallopian tube

a)

glandular

b)

ciliated cuboidal

c)

ciliated columnar

d)

squamous

45.

mast cells secreate

a)

hippurim

b)

myoglobin

c)

histamin

d)

haemoglobin

46.

ph of 10^-8M HCl is

a)

7

b)

8

c)

6.8

d)

9

47.

for the rxn caco3 give cao(s) +co2(g), kp is equal to

a)

kc

b)

kcRT

c)

Kc(Rt) ^2

d)

Kc(Rt) ^-1

48.

the numerical value of equilibrium constant depends upon

a)

temperature

b)

pressure

c)

concenteration of reactants

d)

all

49.

if Ar is added to equilibrium of N2(g) +3H2(g) gives 2Nh3 at constant volume than equilibrium will

a)

shift forward

b)

shift backward

c)

not shift

d)

all are incorrect

50.

which is not a lewis acid

a)

alcl3

b)

bf3

c)

nf3

d)

sncl4

51.

ph of water increases with

a)

decrease in temperature

b)

increase in temperature

c)

no effect

d)

both with decrease and increase

52.

solubility of al2(so4) 3 is S, than its solubility product is

a)

27s3

b)

54s4

c)

108s5

d)

64s3

53.

correct order of increasing solubility of agcl in

a water

b 0.1M nacl

c 0.1m Bacl2

d 0.1 M Nh3

a)

abcd

b)

bcad

c)

cbda

d)

cbad

54.

if delta H of reaction is negative. than it is favourable at

a)

any tenperature

b)

low temperature

c)

high temperature

d)

not feasible

55.

which of following pair acts as acidic buffer

a)

H2co3 amd na2co3

b)

h3po4 and na3po4

c)

hclo4 and naclo4

d)

ch3cooh and ch3coona

56.

which of following gives highest ph in water

a)

kcl

b)

nacl

c)

na2co3

d)

cuso4

57.

which is not a acid base conjugate pair

a)

HONO, NO2-

b)

CH3NH3+, CH3NH2

c)

C6H5COOH, C6H5COO-

d)

H3O+, OH-

58.

which is most soluble

a)

bi2s3( ksp=10^-70)

b)

ag2s(ksp=10^-51)

c)

cus(ksp=10^-37)

d)

mns(ksp=10^-16)

59.

which of following acts as base only

a)

h2s

b)

hs-

c)

s2-

d)

h20

60.

conjugate acid of nh2-

a)

nh4oh

b)

nh4+

c)

nh^2-

d)

nh3

61.

young modulus of elasticity for a gas is

a)

unity

b)

infinity

c)

zero

d)

none

62.

the bulk modulus of sphericsl object is b. if it is subjected to uniform pressure p. the fractional decrease in area is

a)

p/b

b)

b/3p

c)

p/3b

d)

2p/3b

63.

bulk modulus for an incompressible liquid is

a)

zero

b)

unity

c)

infinity

d)

betwen 0 to 1

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