G.K Mcq's on Biology for CLAT, SSC CGL, CHSL and other competitive exams
Q.1In which organ of the human body are the lymphocyte cells formed?
1.Liver
2.Pancreas
3.Long bone
4.Spleen
Ans.(2)
Q.2Consider the followimg statements
1.Toothless mammals such as pangolins are not found in India
2.Gibbon is the only ape found in India.
Which of the statements given above is/are correct?
1. I only
2. II only
3. Both I and II
4. Neither I nor II
Ans.(2)
Q.3 The characteristic odour of garlic is due to
1.a chloro compound
2.a sulphur compound
3.a flourine compound
4.acetic acid
Ans.(2)
Q.4Which of the following plants is used for green manuring in India?
1.Wheat
2.Sunnhemp
3.Cotton
4.Rice
Ans.(2)
Q.5 _____ wavelength of light is most effective in photosynthesis.
1. Green
2.Blue
3.Yellow
4.Orange
Ans.(2)
Q.6During night we should not sleep under a tree because at night the tree releases
1.more oxygen
2.less oxygen
3.carbon monoxide
4.carbon dioxide
Ans.(4)
Q.7 'Orology ' is the study of
1.flowers
2.eye sight
3.mountains
4.rivers
Ans.(3)
Q.8 A plant which flowers only once in its life after, which it dies, is called
1.epiphytes
2.monocarpic
3.monoecious
4.mesophytes
Ans.(2)
Q.9Polio vaccine was developed by
1.Jonas Salk
2.J.C Bose
3.John Sleeman
4.Henry William
Ans.(3)
Q.10 Heart beats ____ in fever
1.Slower
2.Faster
3.unevenly
4.none of these
Ans.(2)
Q.11 The maximum percentage in the atmosphere is of
1.carbon dioxide
2.helium
3.oxygen
4.nitrogen
Ans.(4)
Q.12 Rickets is a disease caused due to deficiency of
1.Vitamin-D
2.Vitamin-C
3.Vitamin-B
4.Vitamin-A
Ans.(1)
Q.13 The medicine used to fight plague
1.penicillin
2.tetracycline
3.quinine
4.streptomycin
Ans.(2)
Q.14Xerophthalmia is a disease caused due to the deficiency of
1.Vitamin-B
2.Vitamin-A
3.Vitamin-D
4.Vitamin-C
Ans.(1)
Q.15 DNA in biological sense refers to
1.dioxide acid
2.deoxyribonucleic acid
3.different oxiberic acids
4.none of the above
Ans.(2)
Q.16What is the name of instrumemt used for measuring blodd pressure?
1.Endoscope
2.Stethoscope
3.Lactometer
4.Sphygmomanometer
Ans.(4)
Q.17 Malaria can be caused by the bite of the mosquito
1.female Anopheles
2.Anopheles
3.Culex
4.none of the above
Ans.(1)
Q.18 Respiratiom and energy production in a cell is carried out by
1.nucleus
2.protoplasm
3.mitochondria
4.Golgi bodies
Ans.(3)
Q.19Penicillin was discovered by
1.Thompson
2.Alexander Fleming
3.Edward Jenner
4.Christian Barnard
Ans.(2)
Q.20Which vitamins found in lemons?
1.Vitamin-F
2.Vitamin-A
3.Vitamin-C
4.none of these
Ans.(3)
Q.21Which of th following is an egg laying mammal?
1.Fish
2.Mouse
3.Kangaroo
4.Platypus
Ans.(4)
Q.22Dinasaur is a
1.Mammal
2.Bird
3.reptile
4.Fish
Ans.(3)
Q.23Organism which make their own food are called
1.saprotrophs
2.auxotrophs
3.autotrophs
4.heterotrophs
Ans.(3)
Q.24A balanced diet is one which the ingredients are
1.in maximum requirememts
2.in correct proportions
3.in minimum requirements
4.weighed by a balance
Ane.(2)
Q.25Kwashiorkor is a disease caused by deficiency of
1.fats
2.proteins
3.vitamins
4.carbohydrated
Ans.(2)
Q.26The hereditary disease, in which clotting of blood does not take place,.is known as
1.Anaemia
2.Haemophilia
3.xerophthalmia
4.leukaemia
Ans(2)
Q.27The universal donor blood group is _____while universal recipient group is
1.A and B
2.B and A
3.O and AB
4.AB and O
Ans.(3)
Q.28 In one minute, heart beats
1.62 times
2.60 times
3.82 times
4.72 times
Ans.(4)
Q.29 Veins carry blood
1.towards the brain
2.away from the heart
3.towards the heart
4.none of the above
Ans.(3)
Q.30Blood cancer is called
1.leukaemia
2.erythrocemia
3.leucoderma
4.none of these
Ans.(1)
Q.31The urine become yellow due to bile pigments in the disease
1.jaundice
2.malaria
3.liverrohea
4.tuberculosis
Ans.(1)
Q.32HIV is associated with
1.cancer
2.acquired immuno deficiency syndrome
3.jaundice
4.Down's syndrome
Ans.(2)
Q.33Hermaphrodite is an animal, which is
1.male
2.female
3.both (a) & (b)
4.neithet (a) nor (b)
Ans.(3)
Q.34Sex of child is determined by
1.chromosomes of mother
2.chromosomes of sister
3.chromosomes of brother
4.chromosomes of father
Ans.(4)
Q.35How many bones does adult human skeleton has?
1. 208 bones
2. 202 bones
3. 204 bones
4. 206 bones
Ans.(4)
Q.36The father of genetics is
1.Mendel
2.Spencer
3.Darwin
4.Muller
Ans.(1)
Q.37Foal is the young one of a
1.Lion
2.Horse
3.Cat
4.Kangaroo
Ans.(4)
Q.38 Which of the following type of blood vessels have to prevent backflow?
1.Veins
2.Nerves
3.Arteries
4.none of these
Ans.(1)
Q.39Which of the following is found in a plant cell , but not in animal cell?
1.Cell wall
2.Nucleus
3.Plasma membrane
4.Mitochondria
Ans.(1)
Q.40The proteins eaten by us are broken down by the body into
1.fats
2.enzymes
3.carbohydrates
4.amino acids
Ans.(4)
Q.41Which among the following does not belong to high risk category in so for as AIDS is concerned?
1.Homosexual
2.Prostitutes
3.Doctors
4.Drug addicts
Ans.(3)
Q.42The best source of Vitamin-A is
1.Butter
2.Milk
3.dry fruits
4.eggs
Ans.(1)
Q.43The best source of Vitamin-C is
1.Orange
2.Carrot
3.Tomato
4.Lima bean
Ans.(1)
Q.44The largest cell in the human body is
1.kidney cell
2.liver cell
3.nerve cell
4.muscle cell
Ans.(3)
Q.45Deficiency of Vitamin-C causes
1.Rickets
2.Pellgara
3.Scurvy
4.none of these
Ans.(3)
Q.46Phloem
1.gets nutritious nitrogen from soil
2.helps in water evaporation
3.transports water mineral elements
4.transports food material from leaves to the consumption/storage organs
Ans.(4)
Q.47What is Rh in blood?
1.Antibody
2.Antigen
3.Gene
4.Hormone in body
Ans.(2)
Q.48The largest flower in the world is that of
1.lotus
2.rafflesia
3.giant cactus
4.none of these
Ans.(2)
Q.49The Sweetest sugar is
1.sucrose
2.glucose
3.fructose
4.lactose
Ans.(3)
Q.50The study of animal behaviour is called
1.Ethology
2.Ethnology
3.Entomology
4.Ethnography
Ans.(1)
Q.51 Dialysis is used for a patient suffering from
1.lung trouble
2. Liver trouble
3.bronchitis
4. Kidney trouble
Ans.(4)
Q.52In India people suffer from anaemua because of lack of______ in their diet
1.Calcium
2.Iron
3.Potassium
4.Iodine
Ans.(2)
Q.53The temperature of pasteurization of milk is selected so as to
1.kill the bacteria
2.kill the virus
3.remove suspended impurities
4.kill the microorganisms and other harmful bacteria
Ans.(2)
Q.54The treatment of diseases by using water is called
1.Hydropathy
2.Hydrology
3.Hydrography
4.none of these
Ans.(1)
Q.55Most cereal crops belong to the family
1.Malvaceae
2.Leguminosae
3.Gramineae
4.Papilionaceae
Ans.(3)
Q.56The metal elements present in haemoglobin is
1.Zinc
2.Iron
3.Sodium
4.Magnesium
Ans.(2
Q.57The harmone that regulates the metabolism of sugars in the human body is
1.Oestrogen
2.insulin
3.adrenalin
4.thyroxine
Ans.(2)
Q.58The deficiency of Vitamin-A causes
1.dysentery
2.Leprosy
3.Colour blindness
4.All of these
Ans.(2)
Q.59Which of the following in not generic disease?
1.Hemophilia
2.Leprosy
3.Colour Blindness
4.All of these
Ans.(2)
Q.60 Alpha-keratin is protein present in
1.Blood
2.skin
3.wool
4.eggs
Ans.(3)
Q.61The improper function of which of the following result in condition 'Myxoedema' in human beings?
1.Adrenal gland
2.Pancreas
3.Liver
4.Thyroid gland
Ans.(4)
Q.62The hapatitis-B, which affects liver, is actually
1.Virus
2.bacterium
3.protozoan
4.helmintheor
Ans.(1)
Q.63The short upper part of the human intestine next to the stomach, is callef
1.Caecum
2.Duodenum
3.ileum
4.jejunum
Ans.(2)
Q.64The phenomenon by which water moleculee move from a weaker solution to stronger solution through a semi-preamble membrane is called
1.diffusion
2.Osmosis
3.transpiration
4.translocation
Ans.(2)
Q.65 Flowers colours are due to
1.chlorophyII
2.melanin
3.phytochromes
4.anthocyanins
Ans.(4)
Q.66 Which of the following disease is caused by the bite of a mad dog?
1.Hydrocele
2.Hydrophobia
3.Hydrocephatus
4.Hydroperitoneum
Ans.(2)
Q.67 To which one of the following types of organisms do mushrooms belong?
1.Algae
2.Ferns
3.Fungi
4.Lichens
Ans.(3)
Q.68Which of the following is the richest source of ascorbic acid?
1.Apple
2.Bean
3.Carrot
4.Guava
Ans.(4)
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