Class/Course - Medical Entrance

Subject - Biology

Total Number of Question/s - 4619

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  • 1. The Living World - Quiz

    1. Which one of the following is categorised under living fossils?
    a) Selaginella
    b) Pinus
    c) Cycas
    d) Metasequoia

    2. Most abundant organic compound on earth is
    a) protein
    b) cellulose
    c) lipids
    d) steriods

  • 2. Origin and Evolution of Life - Quiz

    1. In the case of peppered moth (Biston betularia), the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of
    a) natural selection whereby the darker forms were selected
    b) appearance of the darker coloured individuals due to very poor sunlight
    c) protective mimicry
    d) inheritance of darker colour character acquired due to the darker enviornment

    2. 'Golden age of dinosaurs'/Age of reptiles was
    a) Mesozoic
    b) Coenozoic
    c) Palaeozoic
    d) Psychozoic

  • 3. Biomolecules - Quiz

    1. One of the similarities between DNA and RNA is that both
    a) are polymers of nucleotides
    b) are capable of replicating
    c) have similar sugars
    d) have similar pyrimidine bases

    2. Collagen is
    a) fibrous protein
    b) globular protein
    c) lipids
    d) carbohydrate

  • 4. Enzymes - Quiz

    1. Which of the following is not a part of enzyme but it activates the enzyme?
    a) K
    b) C
    c) N
    d) Si

    2. Feedback inhibition of an enzyme reaction is caused by
    a) end product
    b) substrate
    c) enzyme
    d) rise in temperature

  • 5. Cell and Cell Division - Quiz

    1. Some of the enzymes which are associated in converting fats into carbohydrates, are present in
    a) liposomes
    b) Golgi bodies
    c) microsomes
    d) glyoxysomes

    2. Addition of new cell wall particles amongst the existing ones is
    a) deposition
    b) apposition
    c) intussusception
    d) aggregation

  • 6. Genetics - Quiz

    1. Genetic map is one that
    a) shows the stage during the cell division
    b) shows the distribution of various species in a region
    c) establishes sites of the genes on a chromosome
    d) establishes the various stages in gene evolution

    2. Initiation codon of protein synthesis (in eukaryotes) is
    a) GUA
    b) GCA
    c) CCA
    d) AUG

  • 7. Systematics - Quiz

    1. Linnaeus evolved a system of nomenclature called
    a) mononomial
    b) vernacular
    c) binomial
    d) polynomial

    2. Binomial nomenclature means
    a) one name given by two scientists
    b) one scientific name consisting of a generic and a specific epithet
    c) two names, one Latinised, other of a person
    d) None of the above

  • 8. Kingdom Monera and Viruses - Quiz

    1. Which one of the following statements about viruses is correct?
    a) Nucleic acid of viruses is known as capsid
    b) Viruses possess their own metabolic system
    c) All viruses contain both RNA and DNA
    d) Viruses are obligate parasites

    2. Azotobacter and Bacillus polymyxa are the examples of
    a) Symbiotic nitrogen-fixers
    b) Non-symbiotic nitrogen-fixers
    c) Ammonifying bacteria
    d) Disease-causing bacteria

  • 9. Kingdom Protista - Quiz

    1. The vector for sleeping sickness is
    a) House fly
    b) Tse-tse fly
    c) Sand fly
    d) Fruit fly

    2. Malignant tertain malarial is caused by
    a) Plasmodium falciparum
    b) P. vivax
    c) P. ovale
    d) P. malariae

  • 10. Kingdom Fungi - Quiz

    1. Black rust of wheat is caused by
    a) Puccinia
    b) Mucor
    c) Aspergillus
    d) Rhizopus

    2. Which one is the wrong pairing for the disease and its causal organism?
    a) Late blight of potato - Alternaria solani
    b) Black rust of wheat - Puccinia graminis
    c) Loose smut of wheat - Ustilago nuda
    d) Root-knot of vegetables - Meloidogyne sp.

  • 11. Plant Kingdom - Quiz

    1. An alga very rich in protein is
    a) Spirogyra
    b) Ulothrix
    c) Oscillatoria
    d) Chlorella

    2. The antherozoids of Funaria are
    a) Aciliated
    b) Biflagellated
    c) Multiciliated
    d) Monociliated

  • 12. Animal Kingdom - Quiz

    1. Star fish belongs to
    a) Asteriodea
    b) Ophiuroidea
    c) Holothuroidea
    d) Crinoidea

    2. Budding is a normal mode of asexual reproduction in
    a) Starfish and Hydra
    b) Hydra and sponges
    c) Tapeworm and Hydra
    d) Sponge and starfish

  • 13. Morphology of Flowering Plants - Quiz

    1. Edible part of banana is
    a) Epicarp
    b) Mesocarp and less developed endocarp
    c) Endocarp and less developed mesocarp
    d) Epicarp and mesocarp

    2. Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other?
    a) Circinotropous
    b) Atropous
    c) Anatropous
    d) Amphitropous

  • 14. Anatomy of Plants - Quiz

    1. Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem?
    a) Intrafascicular cambium
    b) Interfascicular cambium
    c) Intercalary meristem
    d) Phellogen

    2. Axillary bud and terminal bud are derived from the activity of
    a) Lateral meristem
    b) Intercalary meristem
    c) Apical meristem
    d) Parenchyma

  • 15. Plant-Water Relations - Quiz

    1. In guard cells when suagr is converted into starch the stomatal pore
    a) Opens fully
    b) Opens partially
    c) Closes completely
    d) Remains unchanged

    2. Water potential can be obtained by
    a) OP + TP
    b) OP = WP
    c) Ψs + Ψp
    d) OP - DPD

  • 16. Plant Nutrition - Quiz

    1. Zinc as a nutrient is used by the plants in the from of
    a) Zn
    b) Zn2+
    c) ZnO
    d) ZnSO4

    2. The association between blue-green algae and fungi occurs in
    a) Lichens
    b) Symbiosis
    c) Cannibism
    d) Mycorrhiza

  • 17. Photosynthesis - Quiz

    1. Which one occurs both during cyclic and non-cyclic modes of photophosphorylation?
    a) Involvement of both PS - I and PS - II
    b) Formation of ATP
    c) Release of O2
    d) Formation of NADPH

    2. Photosynthesis in C4 - plants is relatively less limited by atmospheric CO2 levels because
    a) Effective pumping of CO2 into bundle sheath cells
    b) Rubisco in C4 - plants has higher affinity for CO2
    c) Four carbon acids are the primary initial CO2 fixation products
    d) The primary fixation of CO2 is mediated via PEP carboxylase

  • 18. Cellular Respiration - Quiz

    1. Which one of the following concerns photophosphorylation?
    a) AMP + inorganic PO4 $\xrightarrow[]{Light\:  energy}$ ATP
    b) ADP + AMP $\xrightarrow[]{Light\:  energy}$ ATP
    c) ADP + inorganic PO4 $\xrightarrow[]{Light\:  energy}$ ATP
    d) ADP + inorganic PO4 →  ATP

    2. All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
    a) Lactate dehydrogenase
    b) Isocitrate dehydrogenase
    c) Malate dehydrogenase
    d) Succinate dehydrogenase

  • 19. Plant Growth, Movement and Plant Hormones - Quiz

    1. If a tree, flowers thrice in a year (Oct., Jan. and July) in Northern India, it is said to be
    a) Photosensitive but thermoinsensitive
    b) Thermosensitive but photoinsensitive
    c) Photo and thermosensitive
    d) Photo and thermoinsensitive

    2. Geocarpic fruits are produced by
    a) Onion
    b) Watermelon
    c) Ground nut
    d) Carrot

  • 20. Reproduction in Flowering Plants and Plant Embryology - Quiz

    1. Which type of association is association is found in between entomphilous flower and pollinating agent?
    a) Mutualism
    b) Commensalism
    c) Cooperation
    d) Co-evolution

    2. An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is
    a) Hemitropous
    b) Campylotropous
    c) Anatropous
    d) Orthotropous

  • 21. Animal Tissues - Quiz

    1. A piece of bone such as femur of frog if kept in dilute HCl for about a week will
    a) Assume black colour
    b) Shrink in size
    c) Turn flexible
    d) Crack into pieces

    2. Which one of the following contains the largest quantity of extracellular meterial?
    a) Myelinated nerve fibres
    b) Striated muscle
    c) Areolar tissue
    d) Stratified epithelium

  • 22. Animal Nutrition and Digestion - Quiz

    1. Emulsification of fat will not occur in the absence of
    a) Lipase
    b) Bile pigments
    c) Bile salts
    d) Pancreatic juice

    2. Secretin and cholecystokinin are digestive hormones. They are secreted In
    a) Oespohagus
    b) Ileum
    c) Duodenum
    d) Pyloric stomach

  • 23. Respiratory Gas Exchange - Quiz

    1. The haemoglobin of a human foetus
    a) Has a lower affinity for oxygen than that of the adult
    b) Its affinity for oxygen is the same as that of an adult
    c) Has only 2 protein subunits instead of 4
    d) Has a higher affinity for oxygen than that of an adult

    2. Air is breathed through
    a) Trachea - lungs - larynx - pharynx - alveoli
    b) Nose-larynx - pharynx - bronchus alveoli - bronchioles
    c) Nostrils - Pharynx - larynx - trachea - bronchi - bronchioles - alveoli
    d) Nose - mouth - lungs

  • 24. Circulation of Body Fluids - Quiz

    1. In humans, blood passes from the post caval to the diastolic right atrium of heart due to
    a) Pushing open of the venous valves
    b) Suction pull
    c) Stimulation of the sino auricular node
    d) Pressure difference between the post caval and atrium

    2. Which is the prinicpal cation in the plasma of the blood?
    a) Magnesium
    b) Sodium
    c) Potassium
    d) Calcium

  • 25. Excretion and Osmoregulation - Quiz

    1. Which one of the following is correctly matched pair of the given secretion and its primary role in human physiology?
    a) Sebum - Sexual attraction
    b) Sweat - Thermoregulation
    c) Saliva - Tasting food
    d) Tears - Excretion of salts

    2. A person who is on a long hunger strike and is surviving only on water, will have
    a) More sodium in his urine
    b) Less amino acids in his urine
    c) More glucose in his blood
    d) Less urea in his urine

  • 26. Movement and Locomotion - Quiz

    1. The joint found between sternum and the ribs in humans is
    a) Angular joint
    b) Fibrous joint
    c) Cartilaginous joint
    d) Gliding joint

    2. Intercostal muscles occur in
    a) Abdomen
    b) Thigh
    c) Ribs
    d) Diaphragm

  • 27. Nervous Coordination and Sense Organs - Quiz

    1. Function of iris is to
    a) Move lens forward and backward
    b) Refract light rays
    c) Brings about movements of eye lides
    d) Alter the size of pupil

    2. Which cranial nerve has the highest number of branches?
    a) Facial nerve
    b) Trigeminal
    c) Vagus nerve
    d) None of these

  • 28. Hormonal Coordination - Quiz

    1. Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?
    a) Thyroxine
    b) Adrenalin
    c) Glucagon
    d) Gastrin

    2. MSH of pars intermedia of middle pituitary is responsible for
    a) Darkening of skin in lower vertebrates
    b) Light colouration of skin in lower vertebrates
    c) Both (a) and (b)
    d) Darkening of skin in human beings

  • 29. Reproduction in Animals and Embryonic Development - Quiz

    1. Which one of the following is the most likely reason of not occurring regular menstruation cycle in females?
    a) Fertilization of the ovum
    b) Maintenance of the hypertrophical endometrial lining
    c) Maintenance of high concentration of sex-hormones in the blood stream
    d) Retention of well-developed corpus luteum

    2. If mammalian ovum fails to get fertilized, which one of the following is unlikely?
    a) Corpus luteum will disintegrate
    b) Estrogen secretion further decreases
    c) Primary follicle starts developing
    d) Progesterone secretion rapidly declines

  • 30. Growth, Regeneration and Ageing - Quiz

    1. Choose the correct sequence of stages of growth curve for bacteria
    a) Lag, log, stationary, decline phase
    b) Lag, log, stationary phase
    c) Stationary, lag, log, decline phase
    d) Decline, lag, log phase

    2. The maximum growth rate occurs in
    a) Stationary phase
    b) Senescent phase
    c) Lag phase
    d) Exponential phase

  • 31. Ecology and Environment - Quiz

    1. In 1984, the Bhopal gas tragedy took place because methyl isocyanate
    a) Reacted with DDT
    b) Reacted with ammonia
    c) Reacted with CO2
    d) Reacted with water

    2. Niche of a species in a ecosystem refers to its
    a) Function at its place of occurrence
    b) Place of its occurrence
    c) Competitive ability
    d) Centre of origin

  • 32. Wildlife and Conservation of Natural Resources - Quiz

    1. In your opinion, which is the most effective way to conserve the plant diversity of an area?
    a) By tisue culture method
    b) By creating biosphere reserve
    c) By creating botanical garden
    d) By developing seed bank

    2. Deforestation  will decrease
    a) Soil erosion
    b) Land slides
    c) Soil fertility
    d) Rainfall

  • 33. Domestication and Improvement of Plants - Quiz

    1. Before the European invaders which vegetable was/were absent in India?
    a) Potato and tomato
    b) Simla mirch and brinjal
    c) Maize and chichinda
    d) Bitter gourd

    2. Three crops that contribute maximum to global food grain production are
    a) Wheat, rice and maize
    b) Wheat, maize and sorghum
    c) Rice, maize and sorghum
    d) Wheat, rice and barley

  • 34. Domestication and Improvement of Animals - Quiz

    1. The silk worm silk is the product of
    a) Cuticle of the larva
    b) Cuticle of the adult
    c) Salivary gland of the larva
    d) Salivary gland of the adult

    2. Pebrine is a disease of
    a) Honey bee
    b) Fish
    c) Silk worm
    d) Lac insect

  • 35. Disease and Disease Control - Quiz

    1. Cancerous cells can easily be destroyed by radiation due to
    a) Rapid cell division
    b) Lack of nutrition
    c) Fast mutation
    d) Lack of oxygen

    2. Increased asthmatic attacks in certain seasons are related to
    a) Hot and humid environment
    b) Eating fruits preserved in tin containers
    c) Inhalation of seasonal pollen
    d) Low temperature

  • 36. Human Population - Quiz

    1. Two opposite forces operate in the growth and development of every population. One of them is related to the ability to reproduce at a given rate. The force opposing to it is called
    a) Biotic control
    b) Mortality
    c) Fecundity
    d) Environmental resistance

    2. Genetic drift operates only in
    a) Island populations
    b) Smaller populations
    c) Larger populations
    d) Mendelian populations

  • 37. Biofertilizers and Biopesticides - Quiz

    1. Which one among the following chemicals is used for causing defoliation of forest trees?
    a) Amo - 1618
    b) Phosphon - D
    c) Malic hydrazide
    d) 2, 4 - D

    2. The aquatic fern, which is an excellent biofertilizer is
    a) Azolla
    b) Pteridium
    c) Salvinia
    d) Marselia

  • 38. Biology in Human Welfare - Quiz

    1. The technique of obtaining large number of plantlets by tissue culture method is called
    a) Plantlet culture
    b) Organ culture
    c) Micro-propagation
    d) Macro-propagation

    2. Main objective of production/use of herbicide resistant GM crops is to
    a) Eliminate weeds from the field without the use of manual labour
    b) Eliminate weeds from the filed without the use of herbicides
    c) Encourage eco-friendly herbicides
    d) Reduce herbicide accumulation in food particles for health safety