Smooth muscles are likely to be found in

• muscles of legs

• muscles of arms

• stomach

• stomach

The branch of biology, which deals with extinct organisms, is called

• Palynology

• Phylogeny

• Palaeobotany

• Palaeobotany

The substrate of photorespiration is

• Fructose

• Pyruvic acid

• Glycolate

• Glycolate

The substrate of photorespiration is

• pyruvic acid

• glucose

• fructose

• fructose

Which one of the following is the infective stage of the Malarial Parasite?

• Trophozoite

• Sporozoite

• Schigozoite

• Schigozoite

Match the following:

• A    B   C   D
  4   3    1   2

• A   B   C  D
  2   4   3   1

• A    B   C   D
  2   3    4   1

• A    B   C     D
  3    4   2     1

Which one of these animals is jawless?

• Shark

• Myxine

• Trygon

• Trygon

Which of the following refers to the white salt which covers the land in some areas during dry season?

• Reg

• Reh

• Erg

• Erg

19.

Competition for food, light and space is most severe in

• closely related species growing in the same area or niche

• distantly related species growing in different habitats

• distantly related species growing in the same habitats

• distantly related species growing in the same habitats

Ecosystem consists of

• a biotic community and its non-living elements

• a population and its non-living elements

• population

• population