a level biology

mcqspedia.com has 5 Question/Answers about Topic a level biology

Structure of enzyme is

Structure of enzyme is
  • A. two dimensional coiled strands
  • B. three dimensional coiled strands
  • C. long unbranched chains
  • D. short branched chains
  • Correct Answer: Option B

COPD stands for

COPD stands for
  • A. Cuticular Obstetric Pelvic Disease
  • B. Critical Obstructive Pituarity Disorder
  • C. Chronic Obstructive Pulmonary Disease
  • D. Chronic Obesity Personal Decision
  • Correct Answer: Option C

Thickest part in three layers of arteries, is

Thickest part in three layers of arteries, is
  • A. tunica intima
  • B. tunica externa
  • C. tunica media
  • D. all are of same thickness
  • Correct Answer: Option C

Gene for genetic disease cystic fibrosis is located on chromosome number

Gene for genetic disease cystic fibrosis is located on chromosome number
  • A. 7
  • B. 21
  • C. 28
  • D. 42
  • Correct Answer: Option A

Cells are not tightly packed in

Cells are not tightly packed in
  • A. epidermis layer
  • B. mesophyll layer
  • C. endodermis
  • D. stomatal pores
  • Correct Answer: Option B