BIO201 BIO202 BIO301 BIO302 Midterm MCQs

BIO201 MCQs Mids

Q

(a) Kinetic

(b) Potential (c) Chemical (d) Atomic Q Ribosomes can be free or attached with (a) golgi apparatus (b) lysosomes (c) endoplasmic reticulum

(d) necleus

Q Which organ/molecule can convert light energy

(a) NAD

(b) Retina (c) Biotin (d) Coenzyme A Q Beta pleated sheet is found in (a) Primary protein structure

(b) Secondary protein structure

(c) Tertiary protein structure (d) Quaternary protein structure Q Inhibitor that binds to a site other than active site of enzyme (a) Competitive inhibitor

(b) Irreversible inhibitor

(c) Reversible inhibitor (d) Non competitive inhibitor Q

(a) Pond

(b) Lake

(c) River (d) Stream Q How many macromolecules a cell has.... (a) 2 (Maybe) (b) 4 (c) 6 (d) 8 Q Beta pleated sheet is found in

(a) Secondary protein structure

(b) Primary protein structure (c) Tertiary protein structure (d) Quaternary protein structure Q Cell membrane expels particles by vesicle formation (a) pinocytosis (b) Phagocytosis

(c) Endocytosis

(d) Exocytosis Q Molecule of phospholipids has ----------- (a) hydrophobic & Hydrophilic domain

(b) hydrophobic only

(c) hydrophilic only (d) hydrogen linkage Q If one gene prevent the expression of other gene (a) Pleiotropy

(b) Epistasis

(c) Synapse (d) Tetrad Q Phenylalanine hydroxylase metabolizes (a) Phenylalanine to Lysine

(b) Phenylalanine to Tyrosine

(c) Tyrosine to Phenylalanine (d) Lysine to Phenylalanine Q Restriction enzymes inhibit the growth of

(a) Bacteriophage

(b) Bacteria (c) Algae (d) None Q:

(a) Phenylketonuria (b) Parkinson disease

(c) Alkaptonuria

(d) Cystic fibrosis Q Microtubules are originated from (a) Cytoskeletal (b) Nucleus (c) Proteins

(d) Centrosomes

Q (a) prophase II (b) anaphase II

(c) metaphase II

(d) telophase II Q RNAs in large subunit of Eukaryotic ribosome (a) 1 (b) 2 (c) 3 (d) 4 Q Centromeres separate during whose anaphase: (a) Mitosis (b) meiosis I

(c) meiosis II

(d) None Q Enormous genetic information is present in (a) RNA (b) DNA. (c) Nucleolus (d) Nucleoplasm Q Okazaki fragments are joined by (a) Ligase (b) Gyrase

(c) Helicase

(d) Primase

Q How much water present in a cell......... (a) 50% (b) 60% (c) 70%

(d) 80%

Q Charge on DNA is (a) Positive

(b) Negative

(c) Neutral (d) None

Q Which of the following stabilizes cell shape (a) DNA (b) RNA