Free MCQs & Online Quiz Practice for Exams

Q: Implantation of embryo takes place in which week of pregnancy? (2017 ETEA)

A) 1st

B) 2nd

C) 3rd

D) 4th

Q: Acetabularia mediterranea is: (2017 ETEA)

A) A fungus

B) An alga

C) A protozoan

D) A prokaryote

Q: The common name of rubella is: (2018 ETEA)

A) Whooping cough

B) German measles

C) African sleeping sickness

D) Tay–Sachs disease

Q: The organism developed with two heads and one trunk is called: (2018 ETEA)

A) Identical twins

B) Dizygotic twins

C) Fraternal twins

D) Siamese twins

Q: By the end of the first trimester, the embryo can now technically be described as a: (2019 ETEA)

A) Zygote

B) Infant

C) Older

D) Foetus

Q: Acetabularia crenulata has a ___ shaped cap: (2019 ETEA)

A) Irregular

B) Umbrella

C) Regular

D) Disc

Q: The enormous diversity of protein molecules is mostly due to the diversity of (ETEA 2005)

A) Amino groups on the amino acids

B) R-groups on the amino acids

C) Peptide bonds

D) Amino acid sequences within protein molecules

Q: Which of the following bases is not present in RNA? (ETEA 2005)

A) Thymine

B) Adenine

C) Guanine

D) Cytosine

Q: Lactose maltose and sucrose are important (ETEA 2005)

A) Polysaccharides

B) Disaccharides

C) Monosaccharides

D) Oligosaccharides

Q: What is the % of carbohydrates in the mammalian cell per total cell weight (ETEA 2005)

A) 2

B) 4

C) 8

D) 18

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

A) Valine acid

B) Alanine acid

C) Arginine acid

D) Methionine acid

Q: Which of these are carriers of genetic information? (ETEA 2006)

A) rRNA

B) mRNA

C) DNA

D) Nucleotides

Q: Peptide bonds are formed between (ETEA 2006)

A) Hydrogen group of adjacent amino acids

B) Functional group of the amino acid

C) Carboxyl group and amino group of adjacent amino acids

D) Functional group and hydrogen group of adjacent amino acids

Q: Which of the following compounds has no double bond (ETEA 2008)

A) Fats

B) Cellulose

C) Cholesterol

D) Vitamin-A

Q: Which of the following is the complete monomeric unit of DNA? (ETEA 2008)

A) Nucleotide

B) Pentose sugar

C) Phosphoric acid

D) Purine base

Q: All of the following are mononucleotides except (ETEA 2009)

A) AMP

B) ATP

C) ADP

D) FAD

Q: All of the following are carbohydrates except (ETEA 2009)

A) Glycogen

B) Collagen

C) Starch

D) Cellulose

Q: Coiled hemoglobin is called (ETEA 2009)

A) Haemocyanin

B) Haeoprotein

C) Myoglobin

D) Haemorrhoids

Q: Which one among the following possesses double-ringed structures? (ETEA 2009)

A) Cytosine

B) Adenine

C) Uracil

D) Steroids

Q: All of the following structures are proteineous in nature except (ETEA 2010)

A) Hooves

B) Hemoglobin

C) Enzymes

D) Steroids