A. xylem and phloem occur on the different radii

B. xylem and phloem occur on the same radius

C. phloem is surrounded by xylem

D. xylem is surrounded by phloem

A. embryo

B. ureter

C. urethra

D. nephrons

A. potato,papaya and banana

B. Sugarcane,potato and banana

C. Onion,coriander and lime

D. groundnut,drumstick and cashew nut

A. By cyanobacteria

B. By industrially synthesised fertilizer

C. By electrical discharges in the atmosphere

D. By denitrification

A. because there is no transpiration

B. because respiration ceases at such low temperature

C. because no photosynthesis takes place at such low temperature

D. because of desiccation and mechanical damage to the tissues

A. protons (alpha particles)

B. electrons (beta particles)

C. gamma rays (short wave electromagnetic waves)

D. All of the above

A. lymphocytes

B. monocytes

C. blood platelets

D. erythrocytes

A. Sugarcane,potato and banana

B. potato,papaya and banana

C. Onion,coriander and lime

D. groundnut,drumstick and cashew nut

A. Skin cancer

B. Bone cancer

C. Brain cancer

D. Lung cancer