TRB Tripura STPGT Biological Science Paper 2016

STPGT Teachers Recruitment Board Tripura Biological Science  2016 Paper

Binomial nomenclature was first published in the book
(a) Genera Plantarum
(b) Systema Naturae
(c) Genera Animalium
(d) None of the above

Phylogenetic system of classification was proposed by
(a) Bentham and Hooker
(b) Theophrastus
(c) Hutchinson
(d) None of the above

Which one of the following does not carry nucleic acid ?
(a) Viroid
(b) Mycoplasma
(c) Prion
(d) None of the above

Viruses possess the following chemicals/ chemical
(a) nucleic acid and protein
(b) DNA only
(c) RNA only
(d) None of the above

The largest herbarium in India is located at
(a) National Botanical Garden, Lucknow
(b) Indian Botanical Garden, Sibpur
(c) Lloyd Botanical Garden, Dareeling
(d) None of the above

The chemical substance present in the cell wall of gram-positive bacteria only is
(a) teichoic acid
(b) peptidoglycan
(c) lipopolysaccharides
(d) None of the above

Clamp connection is found in which of the following classes of fungi?
(a) Zygomycetes
(b) Ascomycetes
(c) Basidiomycetes
(d) None of the above

Which of the following is an algal parasite ?
(a) Porphyra
(b) Cephaleuros
(c) Ulothrix
(d) None of the above

The function of peristome teeth of moss is
(a) photosynthesis
(b) spore dispersal
(c) absorption
(d) None of the above

Leaf of a gymnosperm carries 18 chromosomes. What would be the number of chromosomes in its endosperm ?
(a) 9
(b) 18
(c) 27
(d) None of the above

Which of the following strutures is found only in angiosperm ?
(a) Tracheid
(b) Sieve cell
(c) Companion cell
(d) None of the above

Water vascular system is found in
(a) Arthropoda
(b) Echinodermata
(c) Mollusca
(d) None of the above

Polyp stage is absent or reduced in
(a) Aurelia
(b) Obelia
(c) Physalia
(d) None of the above

Excretory organ in hemichordata is
(a) proboscis gland
(b) flame cells
(c) nephridia
(d) None of the above

Cladode is a modified
(a) root
(b) leaf
(c) stem
(d) None of the above

Capitulum inflorescence occurs in which of the following families ?
(a) Mimosae
(b) Asteraceae
(c) Rosaceae
(d) None of the above

Ovary is inferior when the flower is
(a) hypogynous
(b) epigynous
(c) perigynous
(d) None of the above

Fruit of which of the following plants is not a drupe ?
(a) Mango
(b) Coconut
(c) Guava
(d) None of the above

Petiole increases in length due to divison of
(a) lateral meristem
(b) apical meristem
(c) intercalary meristem
(d) None of the above