MCQ Questions On Class 9th Biology Chapter Chapter 7 Diversity In Living Organism (Answers Are Given Below)
Redwood tree of california reaches a height of (a) 25m (b) 50m (c) 75m (d) 100m
Hotspots of biodiversity means (a) areas of the Earth that contain many endemic species (b) species serves as proxy for entire communities in particular areas (c) species in particular niche/area (d) species diversity at particular areas
The total number of species, that are known and described, range between (a) 0.5-1.0 million (b) 1.1-1.2 million (c) 1.7-1.8 million (d) 2.5-3.0 million
The science of naming organism is called (a) identification (b) nomenclature (c) classification (d) taxonomy
The system of nomenclature evolved by Linnaeus is (a) mononomial (b) vernacular (c) binomial (d) polynomal
Binomial nomenclature consists of two words (a) genus and species (b) order and family (C) family and genus (d) species and variety
In binominal name, which is written in capital ? (a) first alphabet of generic name (b) all alphabets of generic word (C) first alphabet of specific word (d) all alphabets of specific word
Homo:generic name :: Sapines : ……… (a) species name (b) human name (c) division name (d) organism name
Who has divided Prokaryota (Monera) into Archaea and Eubacteria ? (a) Haeckel (b) Copeland (c) Woese (d) Whittaker
The eukaryotic kingdom Protocista was created by (a) Whittaker (b) Woese (c) Margulis and Schwartz (d) Haeckel
Who proposed the concept of evolution ? (a) Aristotle (b) Theophrastus (c) Darwin (d) Linnaeus
Phylogeny is study of (a) development of an individual (b) evolution of species (c) embryonic development of an organ (d) ecological adaptation of an organisms
The science of classification is called (a) demography (b) taxonomy (c) biology (d) none of the above
Class is a category between (a) phylum and order (b) kingdom and phylum (c) order and family (d) family and genes
“Taxa’ differs from “taxon” due to (a) this being a higher taxonomic category than taxon (b) this being the lower taxonomic category than taxon (c) this being the singular of taxon (d) this being the singular of taxon.
The basic unit of classification is (a) variety (b) species (c) genus (d) family
A group of similar freely inter-breeding organisms constitutes a (a) species (b) genera (c) family (d) class
A group of related genera, with still less number of similarities as compared to the genus and species, constitutes. (a) order (b) class (C) family (d) division
Genetic material of prokaryotes is called (a) nucleoid (b) nucleolus (c) plasmid (d) mesosome
The ability of nitrogen fixation is found in (a) monerans only (b) both monerans and protistans (c) protistans only (d) fungi only
Amoeba belongs to kingdom (a) Monera (b) Protista (C) Fungi (d) Animalia
Fungi resemble animals in having (a) mycelium (b) chitin (c) glycogen (d) both (b) and (c)
A plant body not differentiated into root, stem and leaves is termed as (a) thallus (b) mycelium (c) hyphae (d) herb
Chlorophyll containing, autotrophic thallophytes are called (a) algae (b) lichens (c) fungi (d) bryophytes
The compound plants composed of algae and fungi are called (a) algae (b) bryophytes (c) pteridophytes (d) lichens
Which of the following group of plants is called vascular cryptogams? (a) thallophyta (b) bryophyta (c) pteridophyta (d) angiospermae
Which of the following plant group bears naked seeds ? (a) Pteridophyta (b) Bryophyta (c) Gymnospermae (d) Angiospermae
Reproductive structure are flowers in (a) gymnosperms (b) pteridophytes (c)angiosperms (d) both (a) and (b)
Phylum mollusca can be distinguished from other nonchordates by the presence of (a) bilateral symmetry and exoskeleton (b)a mantle and gills (c) shell and non-segmented body (d)a mantle and a non-segmented body
The phylum of sedentary animals is (a) Mollusca (b) Echinodermata (c)Porifera (d) both (a) and (b)
Choanocytes are unique to (a) Protozoa (b) Porifera (c) Mollusca (d) Echinodermata
Cnidaria is characterised by (a) Nematoblasts (b) Coelenteron (c) Tissue level of organisation (d) all the above
Tapeworm is member of phylum (a) Annelida (b) Porifera (c) Nematoda (d) Platyhelminthes
Elephantiasis disease of human beings is caused by (a) Wuchereria (b) Ascaris (c) Enterobius (d) Ancylostoma
True coelom appeared for the first time in (a) Mollusca (b) Nematoda (c)Annelida (d) Arthropoda
Arthropods are characterised by (a) jointed legs (b) jointed appendages (c) chitinous exoskeleton (d) all the above
In the Pila, the gastropod mollusc, the organ of the locomotion is (a) mantle (b) foot (c)tentacles (d) legs
Echinoderms have (a) water vascular system (b) canal system (c) jet propulsion (d) book lungs
Phylum Chordata is named after the occurrence of (a) notochord (b) dorsal hollow nerve cord (b) occurence of postnatal tail (d) presence of gill slits
In higher chordates, notochord is transformed into (a) cranium (b) limbs (c) vertebral column (d) both (b) and (c)
Balanoglossus belons to Hemichordata which forms a connecting link between (a) urochordates and cephalochordates (b)urochordates and vertebrates (C) cephalochordates and vertebrates (d)nonchordates and chordates
Lateral line sense organs occur in (a) fishes (b) amphibian larva (c) reptiles (d) both (a) and (b)
In the lung fishes, the heart is (a) single chambered (b) two chambered (d) four chambered (d) amphibians (b) three chambered
The skin is devoid of scales in (a) cartilaginous fish (b) bony fishes (b) reptiles
A very long sticky tongue and ability to change colour occurs in (a) garden lizard (b) chamaelon (c) python (d) king cobra
Duck-billed platypus and echidna are (a) reptiles (b) egg-laying mammals (c)marsupial mammals (d) eutherian mammals