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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

11451.

Question : Niche of a species is

Answer»

PLACE of living 
SPECIFIC FUNCTION and competitive POWER 
Habitat and specific function
None of these 

Answer :C
11452.

Question : Niche is

Answer»

the functional role PLAYED by the organism where it LIVES 
all the biological factors in the organism's ENVIRONMENT 
the RANGE of temperature that the organism needs to live 
the physical SPACE where an organism lives 

Solution :all the biological factors in the organism.s environment
11453.

Question : NH_3 is released from

Answer»

PHOTORESPIRATION
DARK RESPIRATION
CAM
All of these

ANSWER :A
11454.

Question : Nexia biotechnologies spliced spider genes into the cells of lactating:

Answer»

Cow
Sheep
Goat
None of these

Answer :C
11455.

Question : New world species cotton

Answer»

Gossipium ARBORETUM
G.herbaceum
Both a and B
G.barbadense

Answer :D
11456.

Question : New strands of DNA are formed only in the _____ direction.

Answer»


ANSWER :`5^'->3^'`
11457.

Question : New strands of DNA are formed only in the .................. direction.

Answer»

SOLUTION :5’ - 3
11458.

Question : New strains of bird flu virus originate in the Far East because

Answer»

they are overpopulated areas
they LACK ADEQUATE SANITATION
the various HOSTS (birds, pigs , and ducks) live in close proximity of man
they arise due to MUTATION

Answer :C
11459.

Question : New species develop due to:

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Isolation and MUTATION
COMPETITION and mutation
Isolation and competition
NONE of these

Answer :B
11460.

Question : New species arise by sudden jump according to

Answer»

HUGO DE Vries
Lamarck
Darwin
Sewall Wright

Answer :A
11461.

Question : New species are evolved due to cumulative effect of fluctuating variations according to

Answer»

NATURAL SELECTION theory
Mutation theory
Lamarckism
Neolamarckism

Answer :A
11462.

Question : New plants formed by asexual reproduction method are morphologically and genetically uniform and called as ………..

Answer»

spores
buds
clones
gemma

Answer :C
11463.

Question :New cells generate from

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bacterial FERMENTATION
regeneration of OLD CELLS
pre-existing cells
abiotic materials

Answer :C
11464.

Question : New methods of obtaining plant breeds includes

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inducing MUTATIONS in plants and then SCREENING for resistant plants
selection among somaclonal variants
plants obtained by GENETIC engineering.
All

SOLUTION :All
11465.

Question : New approach to conservation is establishment of

Answer»

RESERVE forests
Sanctuaries
Biosphere reserves
National Parks

Answer :C
11466.

Question : Neurospora is a :

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PARASITE
FACULTATIVE parasite
alwayssaprophyte
facltative saprophyte

Answer :C
11467.

Question : Neutrophils and monocyte are _____ in function.

Answer»


ANSWER :PHAGOCYTIC
11468.

Question : Neurospora (fungus) is considered suitable for genetic studies because it

Answer»

has a long LIFE CYCLE and can be easily cultired
can be cultured in defined media and has very short lifecycle
has diploid VEGETATIVE phase
none above

Answer :B
11469.

Question : Neurons of embryo, neurons of retina and cerebral cortex of the adult differ with one another in

Answer»

NUMBER of axons
NATURE of axons
Number of DENDRITES
Nature of dendrites

Answer :C
11470.

Question : Neurons of people suffering from diabetes insipidus do not secrete:

Answer»

Enzyme
Steroid
Fatty ACID
ADH

ANSWER :D
11471.

Question : Neuroglial cells support and protect the neurons and it comprises

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LESS than 1/2 the volume of the neural TISSUE
More than 1/2 the volume of the neural tissue
More than 2/3 the volume of the neural tissue
Less than 1/4 the volume of the neural tissue

ANSWER :B
11472.

Question : Neurons are the structural and functional units of kidneys.

Answer»

True

Answer :NEURONS are structural and functional UNITS of NERVOUS SYSTEM.
11473.

Question :"Neuroglia" of the nervous system represent

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RECEPTOR cells
Gland cells
Supporting cells
Nerve cells

Answer :C
11474.

Question : Neurasthenia refers to

Answer»

undue CONCERN about health
traumatic experience like rape
disorder of SENSORY perception
mental INABILITY to conentrate on or ENJOY things

Answer :D
11475.

Question : Neural system is better organised in the following

Answer»

FRESHWATER polyp
Bath sponge
Silver fish
Sea ANEMONE

ANSWER :C
11476.

Question : Neural organisation is composed of network of neuron is............whereas it is present in the form of neural tissue in..........

Answer»

INSECT, porifera
Hydra, Insects
Hydra, Protozanas
Protozoans Insects

Answer :B
11477.

Question :Nesaria Gonorrhoea

Answer»

Solution :Location : Bacteria present in a PERSON having STI, Gonorrhoea disease.
FUNCTION : It spreads disease in the person by infection through sexual CONTACT.
11478.

Question : Natural method of family planning and Aritificial method of family plannig.

Answer»

SOLUTION :
11479.

Question : Nervous system develops from mesoderm.

Answer»

True
False

Answer :NERVOUS SYSTEM DEVELOPS from ectaderm.
11480.

Question : Nervous system and Hormonal system.

Answer»

SOLUTION :
11481.

Question :Nerves that are not found in frog but are found in humans are

Answer»

GLOSSOPHARYNGEAL and hypoglossal
glossopharyngeal and SPINAL accessory
spinal acessory and hypoglossal
pneumogastric and hypoglossal

Answer :C
11482.

Question : Nerves conduct impulses by:

Answer»

CHEMICAL signals
Electric signals
Physical signals
Thermal signals

Answer :B
11483.

Question : Nerve impulse travels only in one direction due to

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PRESENCE of `Na^+/K^+` pump
Presence of myelin sheath
Change in polarity of membrane OCCURING only in ONE direction, AWAY from the SITE of stimulus
Change in polarity of membrane occurring only from axon terminals towards axon Hillock

Answer :C
11484.

Question : Nerve fibres transmit the nerve message by means.

Answer»

chemical
PHYSICAL
ELECTROCHEMICAL
electrical

ANSWER :C
11485.

Question : Nerve fibres from olfactory receptor transmit their impulses to A while impulses from gustatory receptors are transmitted to B of cerebrum.Choose the option which gives the correct answer for A and B

Answer»

A Temporal LOBE B PARIETAL lobe
Parietal lobe A Temporal lobe
A Frontal lobe B OCCIPITAL lobe
A occipital lobe B Temporal lobe

Answer :D
11486.

Question : Nephritis is also known as ……… disease.

Answer»

Bright's
Gull's
Grave's
Cushing's

Answer :A
11487.

Question : Nephridia in leech opens to the exterior by 17 pairs of __________ .

Answer»

SOLUTION :NEPHRIDIOPORES
11488.

Question : Nephridia of earthworm are analogous to

Answer»

TRICHOCYST of Paramecium
Tracheae of insects
Flame CELLS of Taenia
Gills of fish

Answer :C
11489.

Question : Nephridia helps in _____and________.

Answer»

.

ANSWER :EXCRETION andOsmoregulation,
11490.

Question :Nematode-specific genes are introduced into the tobacco plant using Agrobacterium vectors to develop resistance in tobacco plants against nematodes. Explain the events that occur in tobacco plant to develop resistance

Answer»

SOLUTION :SEE Q.29 (or ).out SIDE DELHI, set-1 ,2008
11491.

Question : Neoplasms are

Answer»

nuclei with MASSIVE DNA
cells without COVERING membranes
cells capable of unlimited DIVISION
newely produced cells formed through UNCONTROLLED CELL prolification.

Answer :D
11492.

Question : Name the most common species of honey bees which can be reared

Answer»

SOLUTION :APIS INDICA
11493.

Question : Nematode Meloidogyne incognita infects the roots of tobacco plants and causes

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An increased production of tobacco plant.
A reduction in the yield of tobacco plant.
A loss of water ABSORBING CAPACITY of roots.
None of the above.

Answer :B
11494.

Question : Nematocysts are characteristics of phylum_______.

Answer»


ANSWER :COELENTERATA,
11495.

Question : Name any five hybrid varieties of crop plant which have been developed in India.

Answer»

SOLUTION :
11496.

Question : Negative pressure inside lungs is created due to

Answer»

The contraction of muscles of diaphragm & relaxation of EXTERNAL INTERCOSTAL muscles
The relaxation of muscles of diaphragm & contraction of external intercostal muscles
The contraction of muscles of diaphragm & contraction of external intercostal muscles
The relaxation of muscles of diaphragm & relaxation of external intercostal muscles

Answer :C
11497.

Question : Negatively geotropic roots are found in :

Answer»

Xerophytes
Mesophytes
Gymnosperms
Mangroves

Answer :D
11498.

Question : Neeri is located at New Delhi.

Answer»


ANSWER :A
11499.

Question : NEERI is

Answer»

National ETHOLOGICAL and Ecological RESEARCH Institute
National Eugenics and Ecological Research Institute
National Ecological and Environment Research Institute
National ENVIRONMENTAL ENGINEERING Research Institute

ANSWER :D
11500.

Question : NEERI IS:

Answer»

NATIONAL Environmental ENGINEERING RESEARCH Institute
National Ecological and Environment Research Institute
National ETHOLOGICAL and Ecological Research Institute
National Eugenics and Ecological Research Institute

Answer :A