Which of the following structure is associated with aerobic respiration?

A. 1

B. 2

C. 3

D. 4

The structure labelled 5 is used for

A. protein synthesis

B. energy production

C. secretion

D. excretion

Angiosperms and gymnosperms belong to the plants group known as

A. schizophyta

B. bryophyta

C. pteridophyta

D. spermatophyta

Which of the following are non-green plants?

A. Euglena

B. Fungi

C. Spirogyra

D. Angiosperms

Sting cells are normally found in

A. Flatworms

B. Hydra

C. Snails

D. Paramecium

Which of the following are differentiated into true roots, stems and leaves

A. Algae

B. Schizophyta

C. Pteridophyta

D. Bryophyta

To facilitate gaseous exchange, breathing roots have

A. stomata

B. mitochondria

C. cuticle

D. lenticels

The annulus of fern sporangium helps in

A. spore dispersal

B. conduction of mineral salt

C. trapping of light energy

D. water retention

One of the features which adapts Paramecium to its environment is the possession of

A. a regular shape

B. two nuclei

C. cilia

D. a pellicle

In the earthworm, the cocoon is secreted by the

A. chaeta

B. prostomium

C. peristomium

D. citellum