Zoology Solved MCQs Tests Past Papers Sample Papers

(1) The main division of the chromosomes occurs in:
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Telophase
(e) None of these

(c) Anaphase

(2) The protein synthesis occurs in:
(a) Mitochondria
(b) Endoplasmic reticulum
(c) Ribosomes
(d) Acrosome
(e) None of these

(c) Ribosomes

(3) Blood antigens are present in:
(a) Blood serum
(b) RBC’s
(c) WBC’s
(d) Platelets
(e) None of these

(b) RBC’s

(4) Sex-linked genes are the genes located on:
(a) X-chromosome only
(b) Y-chromosome only
(c) Both X and Y-chromosomes
(d) X or Y-chromosomes
(e) None of these

(a) X-chromosome only

(5) Transcription is the phenomenon associated with:
(a) Synthesis of new DNA
(b) Formation of mRNA and DNA
(c) Formation of tRNA
(d) None of these

(d) None of these

(6) Segregation of alleles of a gene occurs in:
(a) Diploid individual
(b) Homozygous individual
(c) Heterozygous individual
(d) All of the above
(e) None of these

(a) Diploid individual

(7) Sodium-Potassium pump is located in:
(a) Liver
(b) Heart Cell
(c) Nerve cell
(d) All of the above
(e) None of these
(d) All of the above

(8) Species is the basic unit of:
(a) Genetics
(b) Zoology
(c) Ecology
(d) Universe
(e) None of these

(e) None of these

(9) Which one of the following is false about AIDS:
(a) HIV
(b) HAV
(c) T-lymphocytes
(d) Host-specific
(e) None of these

(b) HAV

(10) Which statement about plastids is true?
(a) They are the powerhouse of the cell
(b) They contain DNA and ribosomes
(c) They are found in all organisms
(d) They are surrounded by a single membrane
(e) None of these

(e) None of these

(11) Which of the following is not found in all bacterial cells?
(a) A nucleoid
(b) Capsule
(c) Cell membrane
(d) Ribosomes
(e) None of these

(c) Cell membrane

(12) A virion is a:
(a) Viral protein
(b) Viral gene
(c) Virus
(d) Viral lysozyme
(e) None of these

(c) Virus

(13) The study of fossils and their relationship to the evolution of life on earth is called:
(a) Fossilization
(b) Palaeontology
(c) Palaeozoology
(d) None of these

(b) Palaeontology

(14) A connecting and supporting tissue in an animal is:
(a) Muscle
(b) Bone
(c) Nerve
(d) Connective
(e) None of these

(d) Connective

(15) In these animals the teeth are reduced to molars without enamel or no teeth are present.
(a) Moles
(b) Bats
(c) Sloths
(d) None of these

(c) Sloths

(16) Only hind limbs are lost in:
(a) Snakes
(b) Whales
(c) Bats
(d) None of these

(b) Whales

(17) Among the following which snake is non-poisonous?
(a) Krait
(b) Python
(c) Viper
(d) None of these

(b) Python

(18) Which one is excluded from the Phylum Chordata.
(a) Urochordata
(b) Hemichordata
(c) Cephalochordata
(d) None of these

(b) Hemichordata

(19) The earliest known species of birds are:
(a) Archaeopteryx
(b) Hesperornis
(c) Ichthyornis
(d) None of these

(a) Archaeopteryx

(20) A muscular diaphragm helps to move air into and out of the lungs in:
(a) Amphibians
(b) Reptilians
(c) Avians
(d) Mammalians
(e) None of these

(d) Mammalians