Biology MCQs

Correct answer C. Growth stimulator

Correct answer C. They contain O2-storing molecules called haemoglobin

Correct answer B. Auxins

Correct answer A. Alternating dark and light bands appear on their surface when viewed through a microscope

Correct answer A. Negative phototropism and positive geotropism

Correct answer C. A smooth muscle

Correct answer C. Turgor movement

Correct answer B. A smooth muscle cell

Correct answer A. Petiole

Correct answer C. 2-3 months

Correct answer C. Fibroblasts and osteoblasts

Correct answer C. Chemotactic movement

Correct answer C. Dead cells

Correct answer D. Primary xylem and primary phloem

Correct answer D. Open reduction

Correct answer D. Due to good blood supply they heal quickly

Correct answer D. Both A and C

Correct answer D. There is reduction of bone mass and change in chemical composition of the matrix

Correct answer C. Tracheids

Correct answer C. Rickets