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
1.Interbreeding
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.
1.mosses
2. liverworts
3.hornworts
4.ferns
 In which organism flame cells form the excretory system?
1.flatworms
2.earthworms
3.insects
4.crabs
 One of the first acts in taxonomy is
1. Identification
2. Description
3. Naming
4.Classification
 Regulation of cells’ activity takes place through
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?
1.endoplasmic reticulum
2.DNA.
3.cell wall
4.cytoplasm
 What is not possessed by bacteria?
1. membrane bound organelles
2.nucleus
3.nucleolus
4.all of these
 Which phylum of animals is also called flatworms?
1.Porifera
2.Coelenterata
3.Platyhelminthes
4. Nematoda
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
Compared to genus, which of the following is less general in characters?
1.Family
2.Species
3.Division
4. Class
For wheat, which of the following combinations is correct?
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
In which the reproductive organs are hidden?
1. Cryptogamae
2.Phanerogamae
3. Gymnosperms
4.angiosperms
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
The correct sequence of taxonomic categories is:
1.Species -> genus -> order -> phylum
2.Species -> order -> genus-> kingdom
3.Genus -> species -> order -> kingdom
4.None of these
The excretory system in annelids is consisted of tubes called?
1. flame cells
2. metanephridia
3.nephridia
4.protonephridia
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?
1.Carolus Linnaeus
2.Robert Hooke
3.Robert Whittaker
4.Ernst Haeckel
The mode of nutrition in fungi
1.only saprotrophic
2.saprotrophic or parasitic
3.only parasitic
4.none of above
What does Arthropod means?
1.bonous legs
2.cartilaginous legs
3. largest legs
4.jointed legs
What is not poisoning among these?
1.scorpion
2.centipede
3.spider
4.crab
What is the exclusive marine phylum?
1.Echinodermata
2.Porifera
3.Cnidarians
4.Protozoa
What is the mode of nutrition in bacteria?
1.autotrophic
2.heterotrophic
3. autotrophic and heterotrophic
4.none of these
What is the phylum of Octopus?
1. Arthropoda
2.Mollusca
3.Annelida
4.cnidarian
Which of the following statement is incorrect?
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
1.Spirogyra
2. euglena
3.chlamydomonas
4.amoeba
Which one of these categories has real existence?
1.Species
2.Genus
3.Kingdom
4.Phylum
Which sub group in plant kingdom produces flowers?
1.Angiosperms
2.fungi
3.mosses
4.ferns