Biology (Gr. Bios=life + logos=study) is the branch of sciece dealing with the study of living organisms. The term 'Biology' was first used by Lamarck and Treviranus in 1801. Aristotle the Greek philosopher is regarded as the 'Father of Biology' and 'Zoology'.
The study of plant is called Botany (Gr. Botane = herb). The word Botane itself originated from Boskein, which means grazing. Theophrastus (370-287 B.C.) described about 480 types of plants in 'Historia Plantarum'. He is known as the 'Father of Botany'.
Which of the following is not a character of a monocot plant ?
a) presene of a single seed leaf
b) fibrous roots
c) leaves with parallel veins and smooth edges
d) floral parts as multiple of four or five
Which of the following pair is matching pair of certain organisms and the kind of association ?
a) Shark and sucker fish - commensalisms
b) Algae and fungi in lichen - mutualism
c) Orchids growing on trees - parasitism
d) Cuscuta growing on other flowering plants - epiphytism
Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying
a) first trophic levelb) second trophic level
c) third trophic leveld) fourth trophic level
A stage of mitosis in which the chromosomes get arranged in the form of an equatorial plate in the centre of the dividing cell is called
a) prophaseb) metaphase
c) anaphased) telophase
A branch of ecology which is concerned with the study of individual species at all stages of its life cycle in relation to environment is called
a) synecology b) ecological niche
c) reproductive ecology d) autecology
The major portion of dry weight of plant comprises of
a) carbon, nitrogen, and hydrogen
b) carbon, hydrogen, and oxygen
c) nitrogen, phosphorous, and calcium
d) calcium, magnesium, and iron
Which of the following is generally not a characteristic of anemophilous flower ?
a) unisexual nature b) abundant pollen grains
c) bright colored d) reduction in number of sepals and petals