General Biology Questions and Answers

General Biology Questions

Ques. Which of the source of energy is non-renewable
(a) Wild life
(b) Forest wealth
(c) Coal reserves
(d) Hydel power

Ans. (c)

Ques. Who is the Father of Biology?
(a) Werner Heisenberg
(b) D W Griffith
(c) Aristotle
(d) Vladamir Zworkin

Ans. (c)

Ques. The largest organ of the body in surface area and weight is
(a) Skeleton
(b) Muscles
(c) Skin
(d) CNS

Ans. (c)

Ques. Which of the following belongs to Mollusca?
(a) Cray fish
(b) Jelly fish
(c) Cuttle fish
(d) Hag fish

Ans. (c)

Ques. Food web is a system of interlocking and interdependent
(a) Food cycles
(b) Food chains
(c) Food system
(d) None of these

Ans. (b)

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Ques. Who developed vaccination against small pox?
(a) Lister
(b) Jenner
(c) Flemming
(d) Pasteur

Ans. (b)

Ques. Who is the father of taxonomy?
(a) Karl Marx
(b) Martin Luther
(c) Wilbur Wright Orville
(d) Carolus Linnaeus

Ans. (d)

Ques. Bacteria were for the first time observed by
(a) W.H. Stanley
(b) Louis Pasteur
(c) Anton Von Leeuwenhoek
(d) Robert Koch

Ans. (c)

Ques. Who proposed the “Recapitulation Theory”?
(a) Lamarck
(b) Darwin
(c) Hugo De Vries
(d) Haeckel

Ans. (d)

Ques. Fermentation is conducted by
(a) All fungi
(b) All bacteria
(c) Some fungi and some bacteria
(d) All micro-organisms

Ans. (c)

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Ques. In which of the canal system, spongocoel is lined by choanocytes?
(a) Asconoid type
(b) Syconoid type
(c) Leuconoid type
(d) Syconoid and Leuconoid type

Ans. (a)

Ques. Best definition of a ‘species’ is
(a) A group of animals that can live together
(b) Animals that can interbreed successfully
(c) Animals that cannot interbreed
(d) None of the above

Ans. (b)

Ques. In Paramecium, the process of reconstruction of nuclei in a single individual which takes place without the fusion of gametic nuclei is known as
(a) Cytogamy
(b) Automixis
(c) Hemixis
(d) Endomixis

Ans. (d)

Ques. Which of the following is a matching set in taxonomy
(a) Man, Chimpanzee, Monkey
(b) Cuttle fish, Jelly fish, Silver fish
(c) Bat, Pigeon, Crow
(d) Oyster, Octopus, Star fish

Ans. (a)

Ques. The regular sequence of cell cycle is
(a) S, G1, M, G2
(b) G1, S, M, G2
(c) G1, S, G2, M
(d) G1, G2, S, M

Ans. (c)

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Ques. When in a population, the birth and death rates exactly balance each other, it is called
(a) Plateau phase
(b) Exponential growth phase
(c) Initial growth phase
(d) Lag phase

Ans. (a)

Ques. The hormone that promotes reabsorption of water from glomerular filtrate is
(a) Vasopressin
(b) Oxytocin
(c) Relaxin
(d) Calcitonin

Ans. (a)

Ques. Which of these is not one of the 4 kinds of bacteria?
(a) Fungus
(b) Coccus
(c) Bacillus
(d) Gladiolus

Ans. (d)

Ques. Monoclonal antibodies are produced by
(a) Immortalization of myeloma cells
(b) Immortalization of lymphocytes
(c) Fusion of myeloma cells and B cells
(d) Fusion of myeloma cells and T cells

Ans. (c)

Ques. Pasteurization makes foodstuff free from
(a) All vegetative forms of bacteria
(b) Vegetative forms of all pathogenic microbes
(c) All living organisms
(d) All bacteria

Ans. (b)

Ques. Aedes agypti mosquito transmits
(a) Yellow fever
(b) AIDS
(c) German measles
(d) Herpes simplex

Ans. (a)

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Ques. Malaria is transmitted by anopheles this was discovered by
(a) Charles Lauren
(b) Ronald Ross
(c) Pasture
(d) Huxley

Ans. (b)

Ques. A science dealing with the improvement of domesticated animals is known as
(a) Veterinary Science
(b) Genetic engineering
(c) Animal husbandry
(d) Animal science

Ans. (c)

Ques. Two words comprising binomial nomenclature are
(a) Family and Genus
(b) Order and Family
(c) Genus and Species
(d) Species and Variety

Ans. (c)

Ques. Composition of pearl is
(a) Only calcium carbonate
(b) Only colchitin
(c) Calcium carbonate, water, organic matter and other minerals
(d) (a) and (b) both

Ans. (c)

Ques. Silk worm’s silk is the product of
(a) Salivary gland of the larva
(b) Cuticle of the adult
(c) Cuticle of the larva
(d) Salivary gland of the adult

Ans. (a)

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Ques. Which ingredient killed hundreds of people in Bhopal gas tragedy
(a) Nitrous acid
(b) Mustard gas
(c) Carbon tetrachloride
(d) Methyl isocyanate

Ans. (d)

Ques. Roots which help the horizontal branches of Banyan tree in the air are called
(a) Stilt roots
(b) Thumb roots
(c) Prop roots
(d) All of the above

Ans. (c)

Ques. Development of egg without fertilization is
(a) Apomixis or Adventive embryony
(b) Apocarpy or Polyembryony
(c) Parthenocarpy
(d) Parthenogenesis

Ans. (d)

Ques. Maltose is an oligosaccharide, made up of two monosaccharides, which are
(a) Glucose and fructose
(b) Fructose and fructose
(c) Glucose and glucose
(d) Galactose and glucose

Ans. (c)

Ques. In drunk person, the part of brain to be affected first is
(a) Cerebellum
(b) Pons varolli
(c) Medulla oblongata
(d) Cerebrum

Ans. (a)

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Ques. Penicillin, an, antibiotic, is obtained from a
(a) Fungus
(b) Virus
(c) Flowering plant
(d) Bacterium

Ans. (c)

Ques. Chiasmata are first seen during
(a) Leptotene
(b) Pachytene
(c) Zygotene
(d) Diplotene

Ans. (d)

Ques. Double fertilization in angiosperms was discovered by
(a) Strasburger
(b) Maheswari
(c) J.C. Bose
(d) Nawaschin

Ans. (d)

Ques. Chlorosis in plants occur due to deficiency of
(a) Zn
(b) Ca
(c) Cl
(d) B

Ans. (a)

Ques. Which of the following cell organelle is in continuation with the outer membrane of nucleus?
(a) Lysosomes
(b) Endoplasmic Reticulum
(c) Mitochondria
(d) Peroxisomes

Ans. (b)

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Ques. The substance used in the tissue culture medium for induction of shoots in callus is
(a) ABA
(b) GA3
(c) IAA
(d) Kinetin

Ans. (d)

Ques. Zymogen cells of gastric glands produce
(a) Chymotrypsin
(b) Trypsin
(c) Pepsin
(d) Pepsinogen

Ans. (d)

Ques. Which of the following gases was not used by Stanley and Miller in their experiment?
(a) Hydrogen
(b) Methane
(c) Ammonia
(d) Oxygen

Ans. (d)

Ques. What is the respiratory quotient of glucose?
(a) 0
(b) 0.8
(c) 0.71
(d) 1.0

Ans. (d)

Ques. Eggs having yolk in their center and cytoplasm in the peripheral layer are called
(a) Isolecithal
(b) Microlecithal
(c) Cenrolecithal
(d) Telolecithal

Ans. (c)

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Ques. When the pollen tube enters the ovule in the ovary of a plant through micropylar end, it is known as
(a) Chalazogamy
(b) Mesogamy
(c) Porogamy
(d) Autogamy

Ans. (c)

Ques. Which one of tne following organelles in a cell is considered as a suicide bag?
(a) Centrosome
(b) Mesosomes
(c) Lysosomes
(d) Chromosome

Ans. (c)

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Richa Bhardwaj

Richa (B. Tech) has keen interest in Science and loves to teach students about it through lectures and assignments. She always try to use simple language and sentences while writing to make sure learner understands everything properly.