mock test

Exam Duration: 180 Mins Total Questions : 180

1 )

Pentamerous, actinomorphic flowers, bicarpillary ovary with oblique septa and fruit is a capsule or berry are charactersitic features of

(a)
Asteraceae
(b)
Brassicaceae
(c)
Solanaceae
(d)
Lilliaceae

2 )

Heart of cockroach is

(a)
myogenic
(b)
neuromyogenic
(c)
neurogenic
(d)
None of these

3 )

The correct ascending order with their size is

(a)
PPLO<Virus<Bacteria<Plant cell
(b)
Virus<PPLO<Bacteria<Plant cell
(c)
Plant cell>Virus>Bacteria>PPLO
(d)
Bacteria>Plant cell>Virus>PPLO

4 )

Phenomenon,which converts light energy into chemical energy is called

(a)
respriation
(b)
Photosynthesis
(c)
transpriation
(d)
None of these

5 )

In C₄ -pathway,CO₂ fixation occurs in chloroplast of

(a)
spongy parenchyma
(b)
mesophyll cells
(c)
guard cells
(d)
bundle sheath cells

6 )

Incomplete breakdown of sugar in anaerobic respiration results in the formation of

(a)
fructose and water
(b)
glucose and O₂
(c)
alcohol and CO₂
(d)
water and O₂

7 )

Group of plants similar to animals in their requirement of O₂ for cellular respiration belongs to

(a)
fungi
(b)
lichens
(c)
blue-green algae
(d)
red algae

8 )

The parasphenoid bone in frog forms

(a)
base of cranium
(b)
floor of cranium
(c)
dorsal side of cranium
(d)
dorso-lateral side of cranium

9 )

Bacteria that live around deep-sea hot-water vents obtain energy by oxidising inorganic hydrogen sulphide belched out by the vents.They use this energy to build organic molecules from carbon obtained from the carbon dioxide in the sea water.These bacteria might be described as

(a)
photoheterotrophs
(b)
chemoautotrophs
(c)
photoautotrophs
(d)
chemoheterotrophs

10 )

Which one of the following correctly matches the Sexually Transmitted Disease(STD) with its pathogen?

(a)
AIDS - Bacillus anthracis
(b)
Syphilis - Treponema pallidum
(c)
Urethritis - Entamoeba gingivalis
(d)
Gonorrhoea - Leishmania donovani

11 )

Endothermic organisms are

(a)
fishes
(b)
reptiles
(c)
amphibians
(d)
birds and mammals

12 )

Raphia vinifera, the largest leaf (10-15 m) possessing amongst the angiosperms belongs to the family

(a)
Asteraceae
(b)
Palmae
(c)
Apocynaceae
(d)
Malvaceae

13 )

Deltoid ridge is the characteristic feature of

(a)
Frog's femurs
(b)
Frog's tibia
(c)
Frog's ulna
(d)
Frog's humerus

14 )

Dry indehiscent single-seeded fruit formed from bicarpellary syncarpous inferior ovary is

(a)
caryopsis
(b)
cypsella
(c)
berry
(d)
cremocarp

15 )

Match the following columns.

Column I	Column II
A. Onion	1. Rhizome
B. Banana	2. Bulb
C. Gladiolus	3. Corm
D. Potato	4. Tuber

(a)

A B C D

2 1 3 4
(b)

A B C D

1 2 4 3
(c)

A B C D

4 1 3 2
(d)

A B C D

4 1 2 3

16 )

The nucleus is separated from surrounding cytoplasm by a nuclear membrane, which is

(a)
single layered with pores
(b)
single layered without pores
(c)
double layered with pores
(d)
double layered without pores

17 )

Cell 'A' has the value of OP=10 atm and TP=5 atm and the cell 'B' has the value of OP=7 atm and TP=1 atm. In which direction water will be moving?

(a)
From 'B' to 'A'
(b)
From 'A' to 'B'
(c)
Will not move at all
(d)
Will move from 'B' to A id value of OP becomes zero in 'A'

18 )

If intensity of light increases 20 times, the rate of photosynthesis will

(a)
increase
(b)
constant
(c)
decrease
(d)
increase till feed back inhibition

19 )

Which process is not involved in the development of grain into a mature wheat plant?

(a)
Mitosis
(b)
Differentiation of cells
(c)
Increase in size of cells
(d)
Meiosis

20 )

The rate of transpiration directly depends on

(a)
temperature
(b)
pressure gradient
(c)
turgor pressure and light
(d)
diffusion pressure deficit

21 )

The pericardium and the perpendicular fluid help in

(a)
protecting the heart from friction, shocks and keeps it moist
(b)
pumping the blood
(c)
receiving the blood from various parts of the body
(d)
None of the above

22 )

In a sugar sink, such as a tap root, sugar is converted into

(a)
starch
(b)
fatty acids
(c)
cellulose
(d)
glycogen

23 )

In bacteria, respiration occurs in

(a)
cytoplasmic membrane
(b)
mitochondria
(c)
nuclear membrane
(d)
endoplasmic reticulum

24 )

Distribution of growth in a root by marking it which India ink at equal intervals was first studied by

(a)
Sachs
(b)
Strasburger
(c)
Went
(d)
Paal

25 )

Papillary muscles occur in

(a)
ventricles
(b)
auricles
(c)
atrioventricular valves
(d)
pulmonary valves

26 )

Bakanae disease is caused by

(a)
fungus
(b)
alga
(c)
bacterium
(d)
virus

27 )

CO is more toxic than CO₂ because it

(a)
affects the nervous system
(b)
damages lungs
(c)
reduces the oxygen carrying capacity of haemoglobin
(d)
forms acid with water

28 )

Actin binding sites are located on

(a)
troponin
(b)
tropomyosin
(c)
meromyosin
(d)
Both (b) and (c)

29 )

White rust of crucifers is caused by

(a)
Albugo
(b)
Phythium
(c)
Cercospora
(d)
Phyllactinia

30 )

In the members of phylum-Porifera

(a)
sexes are not seperated
(b)
fertilisation is internal and development is indirect
(c)
larval stage is found, which is morphologically distinct from the adult
(d)
All of the above

31 )

Pathological nature of Entamoeba histolytica was discovered by

(a)
Lamble
(b)
Losch
(c)
Grassi
(d)
Laveran

32 )

In Entamoeba histolytica, the normal trophozoites are called

(a)
sporulets
(b)
minuta forms
(c)
monogenetic forms
(d)
magna forms

33 )

match the following columns.

Column I	Column II
A.Camel and Llames	1.Abdominal testes
B.Macropus and Opossum	2.Scrotum infront of penis
C.Elephant and prototherians	3.RBCs are nucleated

(a)

A B C

1 3 2
(b)

A B C

3 2 1
(c)

A B C

1 2 3
(d)

A B C

3 1 2

34 )

Oder-Squamata consists of

(a)
bats
(b)
crocodiles
(c)
turtles and pangolin
(d)
lizards and snakes

35 )

Man can see objects equally clear from various distances due to

(a)
cornea
(b)
conjunctiva
(c)
eye lid
(d)
ciliary muscles

36 )

The duration of cell cycle

(a)
varies from organism to organism
(b)
varies from cell type to cell type
(c)
Both (a) and (b)
(d)
None of the above

37 )

Agranulocytes normally develop in

(a)
bone marrow
(b)
liver
(c)
lymph glands and spleen
(d)
None of the above

38 )

Gambusia is

(a)
parasitic fish
(b)
pest of fishes
(c)
fish predator of mosquito larvae
(d)
a mosquito spreading yellow fever

39 )

Bioluminescence is well maked in

(a)
Ctenophores
(b)
Fasciola
(c)
Planaria
(d)
Taenia

40 )

Nissl's granules are not found in

(a)
dendrites
(b)
cyton
(c)
axon
(d)
Both (1) and (3)

41 )

Stomatal closing is caused by of guard cells.

(a)
Flaccidity
(b)
Turgidity
(c)
Rigidity
(d)
All the above

42 )

The primary CO₂ acceptor molecule in C₄ pathway is

(a)
RuBP
(b)
Malic acid
(c)
Phosphoenol pyruvate
(d)
Aspartic acid

43 )

The partial pressure of oxygen in the alveoli of the lungs is

(a)
equal to that in the blood
(b)
more than that in the blood
(c)
less than that in the blood
(d)
less than that of carbon dioxide

44 )

Select the correct matching of the type of the joint with the example in human skeletal system

(a)
Cartilaginous joint - Between frontal and parietal
(b)
Pivot joint - Between third and fourth cervical
(c)
Hinge joint - Between humerus and pectoral girdle vertebrae
(d)
Gliding joint - Between carpals

45 )

Which one will not affect Hardy -Weinberg Equilibrium?

(a)
Inbreeding in a population
(b)
Gene migration
(c)
Genetic Drift
(d)
Genetic Recombination

46 )

The child birth is called

(a)
gestation
(b)
parturition
(c)
micturition
(d)
none

47 )

Glomus as a biofertilizer is

(a)
free living N2 fixing bacteria
(b)
symbiotic bacteria
(c)
cyanobacteria
(d)
mycorrhiza

48 )

Accumulation of amorphous substance is the result of

(a)
fragmentation
(b)
humification.
(c)
catabolism
(d)
mineralisation.

49 )

Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?

(a)
White blood cells
(b)
Unstriated muscle cells
(c)
Liver cells
(d)
Red blood cells

50 )

Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macromolecules is

(a)
endoplasmic reticulum
(b)
nucleosome
(c)
lysosome
(d)
phagosome

51 )

Compared to a bull a bullock is docile because of

(a)
higher levels of cortisone
(b)
lower levels of blood testosterone
(c)
lower levels of adrenaline/noradrenaline in its blood
(d)
higher levels of thyroxine

52 )

A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from

(a)
schizophrenia
(b)
Borderline Personality Disorder (BPD)
(c)
mood disorders
(d)
addictive disorders

53 )

Identify the marking A, B, C and D in the figure given below and select the correct option.

(a)
A - light chains, B - heavy chain, C - antigen binding sites, D - disulphide bonds
(b)
A - disulphide bonds, B - antigen binding site, C - heavy chains, D - light chains
(c)
A - antigen binding sites, B - light chain, C - heavy chains, D - disulphide bonds
(d)
A - antigen binding sites, B - disulphide bonds, C - light chains, D - heavy chains

54 )

The outermost and innermost wall layers of microsporangium in an anther are respectively

(a)
endothecium and tapetum
(b)
epidermis and endodermis
(c)
epidermis and middle layer
(d)
epidermis and tapetum.

55 )

The semi-conservative nature of DNA replication was established by Meselson and Stahl in their classic experiment with bacteria. They grew bacteria in N¹⁵- NH₄ CI containing medium, washed and then incubated in fresh medium with N14- containing compounds and allowed to grow for three generations. CsCI density gradient centrifugation of isolated DNA established the nature of semiconservative DNA replication. The pictorial representation below shows the position of differentially labeled DNA in CsCI density gradient.

Had the DNA replication been conservative, what would have been the pattern?

56 )

Hairy leaves of many plants are associated with

(a)
resistance to insect pests
(b)
resistance to viruses
(c)
resistance to fungi
(d)
resistance to bacteria

57 )

Vertical distribution of different species occupying different levels in dense vegetation is called

(a)
stratification
(b)
species composition
(c)
standing crop
(d)
trophic structure

58 )

Reticulate venation is a characteristic of dicots. An exception to this generalisation is

(a)
Ca/ophyllum
(b)
Ficus
(c)
Hibiscus
(d)
Zizyphus.

59 )

The wonder drug, penicillin is extracted from which of the following species of Penicillium?

(a)
Penicillium notatum
(b)
P.chrysogenum
(c)
Both (a) and (b)
(d)
None of these

60 )

The given organism belongs to Class

(a)
Phycomycetes
(b)
Basidiomycetes
(c)
Ascomycetes
(d)
Deuteromycetes.

61 )

The component present in both nucleotides and nucleosides is

(a)
sugar
(b)
phosphate
(c)
nitrogenous base
(d)
both (a) and (c)

62 )

X is a scar on the seed coat through which the developing seeds were attached to the fruit; above the X is a small pore called Y.
Identify X and Y and select the correct option.

(a)

X Y

Micropyle Hilum
(b)

X Y

Hilum Micropyle
(c)

X Y

Testa Tegmen
(d)

X Y

Chalaza Micropyle

63 )

Amongst the animal groups given below, which one has the highest percentage of endangered species?

(a)
Insects
(b)
Mammals
(c)
Amphibians
(d)
Reptiles

64 )

Neurons in sponges are

(a)
unipolar
(b)
bipolar
(c)
multipolar
(d)
absent

65 )

In a human being, the number of cranial nerves is

(a)
12 pairs
(b)
6 pairs
(c)
20 pairs
(d)
10 pairs

66 )

Consider the following statements each with two blanks.
(i) Annelids have (1), and insects have (2) for excretion.
(ii) Blood enters the glomerulus via (3) arteriole and leaves via (4) arteriole.
(iii) During micturition, the urinary bladder (5) and the urethral sphincters (6).
Which one of the following options correctly fills the blanks in any two of the above statements?

(a)
(l)-Malpighian tubules, (2)-flame cells,(5)-contracts, (6)-relax
(b)
(3)-afferent, (4)-efferent, (5) - contracts, (6)-relax
(c)
(1)-nephridia, (2)-Malpighian tubules, (5)-relaxes, (6)-contract
(d)
(3)-efferent, (4)-afferent, (5)-relaxes, (6)-contract

67 )

Select the option that correctly matches the structures with its location and function

(a)

Structure Location Function

Eustachian tube Anterior part of internal ear Equalises air pressure on either sides of tympanic membrane
(b)

Structure Location Function

Cerebellum Midbrain Controls respiration and gastric secretions
(c)

Structure Location Function

Hypothalamus Forebrain Controls body temperature, urge for eating and drinking
(d)

Structure Location Function

Blind spot Near the place where optic nerve leaves the eye Rods and cones are present but inactive here

68 )

Adrenals are located above

(a)
stomach
(b)
liver
(c)
pancreas
(d)
kidney

69 )

Which of the following is a correct match of ear part and its function?

(a)
Organ of Corti - Increases the efficiency of sound waves
(b)
Eustachian tube - Maintains body balance and posture
(c)
Tectorial membrane -Determines patterns of vibration of sound waves
(d)
Semicircular canal -Equalises the pressure on either sides of the ear drum

70 )

Human eye ball consists of three layers and it encloses

(a)
lens, iris, optic nerve
(b)
lens, aqueous humor and vitreous humor
(c)
cornea, lens, iris
(d)
cornea, lens, optic nerve.

71 )

ln Pinus, male strobilus bears a large number of

(a)
anthers
(b)
stamens
(c)
microsporophylls
(d)
megasporophylls.

72 )

Keystone species deserve protection because these

(a)
are capable of surviving in harsh environmental conditions
(b)
indicate presence of certain minerals in the soil
(c)
have become rare due to overexploitation
(d)
play an important role in supporting other species

73 )

Which group shows the most extensive metabolic diversity?

(a)
Plantae
(b)
Animalia
(c)
Monera
(d)
Fungi

74 )

Which are chief producers of oceans?

(a)
Diatoms
(b)
Dinoflagellates
(c)
Euglenoid
(d)
Green algae

75 )

Fungus prefers to grow in:-

(a)
Warm and humid places
(b)
Cold and humid places
(c)
Warm and cold both
(d)
Warm, cold and humid places

76 )

A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells is not like other cells telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in :-

(a)
Aneuplody
(b)
Polyploidy
(c)
Somaclonal variation
(d)
Polyteny

77 )

the inner most wall layer of anther is tapeturm; the main function of tapetum is

(a)
Division
(b)
Support
(c)
Nutrition
(d)
Protection

78 )

In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentage of the other three bases expected to be present in this DNA are:

(a)
G 17%,A 16.5%,T 32.5%
(b)
G 17%,A 33%,T 33%
(c)
G 8.5%,A 50%,T 24.5%
(d)
G 34%,A 24.5%,T 24.5%

79 )

Which of the following would appear as the pioneer organisms on bare rocks?

(a)
Green algae
(b)
Lichens
(c)
Liverworts
(d)
Mosses

80 )

Ultrasound of how much frequency is beamed into human body for sonography?

(a)
45-70 MHz
(b)
30-45 MHz
(c)
15-30 MHz
(d)
1-15 MHz

81 )

Which of the following is known as natural pacemaker of the heart?

(a)
Sinu atrial node
(b)
Atrio ventricular node
(c)
Bundle of His
(d)
Purkinje fibres

82 )

Movement of electrolytes through the roots is generally

(a)
Against electrochemical gradient and require energy
(b)
Along electro chemical gradient and does not require energy
(c)
A passive process
(d)
Dependent on aquaporins

83 )

Which is not true for nitrogenase enzyme in root nodules in legumes?

(a)
Synthesized by nif genes of Rhizobium
(b)
Site of reduction of N₂ into NH₃
(c)
It is a Mo-Fe protein
(d)
Resistant to O₂ cone

84 )

Fleshy buds in aquatic plants are known as

(a)
Bulbils
(b)
Offset
(c)
Turions
(d)
Rhizome

85 )

In lac-operon, \(\beta\)-galactosidase enzyme is made by

(a)
lac-y
(b)
lac-a
(c)
lac-z
(d)
lac-i

86 )

Secondary sewage treatment is mainly a:-

(a)
Physical process
(b)
Mechanical process
(c)
Chemical process
(d)
Biological process

87 )

Seasonal activity of vascular cambium is influenced by many factors, except

(a)
Geographical location of plant
(b)
Relative humidity and temperature
(c)
Photoperiod and water supply
(d)
Leaf orientation

88 )

In land plants, the guard cells differ from other epidermal cells in having

(a)
Chloroplasts
(b)
Cytoskeleton
(c)
Mitochondria
(d)
Endoplasmic reticulum

89 )

The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by application of

(a)
IAA, IBA
(b)
NAA, 2, 4-D
(c)
Phenyl acetic acid
(d)
Cytokinin

90 )

The Un Conference of Parties on climate change in the year 2011 was held in:-

(a)
South Africa
(b)
Peru
(c)
Qatar
(d)
Poland

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Exam Duration: 180 Mins Total Questions : 180

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Structure	Location	Function
Eustachian tube	Anterior part of internal ear	Equalises air pressure on either sides of tympanic membrane

X	Y
Micropyle	Hilum

X	Y
Hilum	Micropyle

X	Y
Testa	Tegmen

X	Y
Chalaza	Micropyle