On what structure are the units of inheritance situated?

A. Golgi bodies

B. Ribosomes

C. Chromosomes

D. Endoplasmic reticulum

Production of naked seeds is a distinctive feature of the group of plant called

A. grasses

B. conifers

C. legumes

D. palms

In which of the features do bryophytes differ from pteridophytes?

A. Absence of flower

B. Alternation of generation

C. Dependency on water for reproduction

D. Presence of vascular system

Which of the following organs or cells components are common to both the sporophytes and the gametophytes of a fern?

A. Rhizoids

B. Roots

C. Chloroplast

D. Leaves

In which of the following organism does a single cells performs all the function of movement, nutrition, growth , excretion, photosynthesis?

A. Paramecium

B. Euglena

C. Amoeba

D. Spirogyra

In which of the following organisms would glycogen be stored?

A. Spirogyra

B. Chlamydomonas

C. Rattus

D. Magnifera

The most successful group of animals in terms of diversity of species is

A. mollusca

B. arthropoda

C. mammalia

D. platyhelminthes

Flame cells are the

A. excretory system of worms

B. excretory and respiratory systems of flatworms

C. secretory syustem of flatworms

D. excretory system of flatworms

The spores of mucor are dispersed by

A. water

B. wind

C. insects

D. explosive mechanism

The butterfly is of great economic importance because

A. of its use in scientific studies

B. it sucks nectar from flowers

C. it adds to the beauty of the enviroment

D. it polllinates flowers of crops and other plants