Angiospermae is a division of kingdom Plantae. The main characteristic feature of angiosperms is:
1.Seeds are naked in fruits
2.Seeds are covered with coats and are in fruits
3.Fruits are without seeds
4.Seeds are naked without fruits
A true species comprises of a population
2.Sharing the same niche
3. Reproductively isolated
4. Feeding over the same food
Among the following choose the correct option that best describes the characteristics of spirogyra.
1.Multicellular, auto trophic, root like rhizoids.
2.Cytoplasmic strands, autotrophic, presence of rhizome.
3.Presence of male cones, nonvascular, filaments.
4.Filamentous, presence of Cytoplasmic strands, presence of pyrenoids.
Choose the vascular plants out of these.
One of the first acts in taxonomy is
1. Flow of substances
2. Flow of energy
3. Flow of hormones
4.Flow of smoke
Taxonomic hierarchy refer to
1.Classification of species based on the fossil record
2.A list of botanists or zoologists who have worked on the taxonomy of a species or group
3.a group of senior taxonomists who decide the nomenclature of animals and plants
4. Stepwise arrangement of all categories for classification of animals and plants
What does a bacteria lack?
What is not possessed by bacteria?
1. membrane bound organelles
4.all of these
Choose the option that best describes the characteristics of the kingdom to which the mushroom belongs:
1.Unicellular prokaryotic organisms
2.Saprophytic, eukaryotic, multicellular organisms
3.Saprophytic, eukaryotic, multicellular organisms
4.Autotrophic eukaryotic organisms
1.Genus Triticum, family Poaceae, order Poales, Class Monocotyledonae
2.Genus Triticum, family Poaceae, order Poales, Class Dicotyledonae
3.Genus Triticum, family Poaceae, order Sapindales, Class Monocotyledonae
4.Genus Triticum, family Anacardiaceae, order Poales, Class Monocotyledonae
Nicotiana sylvestris flowers only during long days while N.tabacum flowers only during short days. Under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to produce self-fertile offsprings. What is the best reason for considering Nicotiana sylvestris and N.tabacum as separate species?
1.They are reproductively distinct
2.They fail to interbreed in nature
3.They are physiologically different
4.They are distinct morphologically
1.Species -> genus -> order -> phylum
2.Species -> order -> genus-> kingdom
3.Genus -> species -> order -> kingdom
4.None of these
1. flame cells
The international Code of Biological Nomenclature provides the scientific nomenclature for every organism that consists of the genus name and the species name of the organism. Can you guess who introduced this system of binomial nomenclature of the organisms?
The mode of nutrition in fungi
2.saprotrophic or parasitic
4.none of above
What does Arthropod means?
3. largest legs
What is not poisoning among these?
What is the exclusive marine phylum?
3. autotrophic and heterotrophic
4.none of these
What is the phylum of Octopus?
1.Aves are warm blooded, egg laying and have four four-chambered heart.
2.Aves have feather covered body, fore limbs are modified as wing and breathe through lungs.
3.Most of the mammals are viviparous.
4.Fishes, amphibians and reptiles are oviparous.
Which of the these are found filamentous