Free MCQs & Online Quiz Practice for Exams

Q: The theory of uniformitarianism was proposed by: (2014 ETEA)

A) Hutton and Lyell

B) Lamarck

C) George Cuvier

D) Darwin

Q: Human arm is homologous with: (2014 ETEA)

A) Seal flipper

B) Octopus tentacle

C) Bird wing

D) Both A and C

Q: The theory of new creation was proposed by: (2014 ETEA)

A) George Cuvier

B) James Hutton

C) Louis Agassiz

D) Wallace

Q: What event is thought to have contributed to the evolution of eukaryotes? (2007 ETEA)

A) Global warming

B) Glaciation

C) Volcanic activity

D) Oxygenation of the atmosphere

Q: Darwin’s finches are found in: (2018 ETEA)

A) New Zealand

B) New Guinea

C) Galapagos island

D) Australia

Q: Occurs because natural selection gives some alleles a better chance of survival than others: (2020 ETEA)

A) Fitness

B) Evolution

C) Crossing over

D) Artificial selection

Q: DNA and histones together form a bead-like structure called: (2005 ETEA)

A) Mesosome

B) Polysome

C) Nucleosome

D) Centrosome

Q: In sickle cell anemia only one glutamic acid of normal hemoglobin is replaced by: (2005 ETEA)

A) Valine acid

B) Alanine acid

C) Arginine acid

D) Methionine

Q: The pneumococcal strain used by Griffith in his experiments was: (2007 ETEA)

A) Lophotrichous

B) Amphitrichous

C) Atrichous

D) Monotrichous

Q: Which of these are carriers of genetic information: (2007 ETEA)

A) tRNA

B) mRNA

C) DNA

D) Nucleotides

Q: Anticodon of AUG will be: (2008 ETEA)

A) TAC

B) UAC

C) AUG

D) CCA

Q: The term bivalent means: (2008 ETEA)

A) Two chromatids

B) Two chromosomes

C) Four chromatids

D) Four chromosomes

Q: If the sequence of one strand of DNA is ATGCTC, the sequence of the other strand would be: (2008 ETEA)

A) CACGTC

B) TAGCATG

C) TACGAG

D) GACGTG

Q: Two parent strands of DNA molecules are: (2009 ETEA)

A) Parallel

B) Antiparallel

C) Opposite

D) None

Q: A true column of chromosome number in Garden pea, Onion and Tobacco is: (2009 ETEA)

A) 13 15 17

B) 14 16 48

C) 15 17 49

D) 16 18 50

Q: Condensation of chromosomes reaches its peak during early: (2009 ETEA)

A) Prophase

B) Metaphase

C) Anaphase

D) Telophase

Q: In chromosomes, the material controlling heredity is: (2009 ETEA)

A) Histone

B) RNA

C) DNA

D) All of them

Q: Which one among the following possesses a double-ringed structure: (2009 ETEA)

A) Cytosine

B) Adenine

C) Uracil

D) Thymine

Q: Which one of the following diseases is due to point mutation: (2010 ETEA)

A) Down syndrome

B) Klinefelter syndrome

C) Phenylketonuria

D) Turner syndrome

Q: Increased production of RBCs is called: (2010 ETEA)

A) Leukemia

B) Polycythemia

C) Edema

D) None