Biology/Biology MCQS[NEET-2021 to 2022]-Biology (living world) Sample Test,Sample questions

Question:
 Archaeopteryx is connecting link between 

1.Reptiles and birds

2.Reptiles and mammals

3.Fishes and reptiles

4.None of the above


Question:
A group of plants or animals with similar traits of any rank is 

1.Order

2.Genus

3.Taxon

4.Species


Question:
A marine dinosaur is 

1.Ichthyosaur

2.pelycosaur

3.Pterosaur

4.Tyrannosaurus


Question:
Arms are absent in

1.Sea uricin

2.Sea cucumber

3.Human

4.Both A and B


Question:
Bacteria involved in two-step conversion of ammonia into nitrate are 

1.Azotobacter and Achromobacter

2.Pseudomonas and Nitrobacter

3.Nitrosomnas and Nitrobacter

4.Azotobacter and Nitrosomonas


Question:
Body cavity of Hydra is called 

1.Gastrovascular cavity

2.Coelenteron

3.Enterocoel

4.Both A and B


Question:
Boring Sponge is

1. Hyalonema

2.Cliona

3.Chalina

4.Spongilla


Question:
Calotes versicolor is 

1.Wall lizard

2.Flying lizard

3.Rock lizard

4.Garden lizard


Question:
Cells regulate their activity through

1.Flow of energy

2.Flow of material

3.Flow of information

4.Flow of smoke


Question:
Female Ascaris is differentiable from male in 

1. Presence of cloaca

2.Shorter size

3.Straight posterior end

4.Presence of penial setae


Question:
Filaria is spread by 

1.Bed bug

2.Mosquito

3.House fly

4.Flea


Question:
Fungal cell wall is formed of 

1.Pectin

2.Hemicellulose

3.Chitin and cellulose

4.Chitin


Question:
Give the correct matching of causative agent/germ and disease

1.Anopheles – Malaria

2.Leishmania –Sleeping sickness

3.Glossina – Kala-azar

4.Wuchereria – Filariasis


Question:
Hans Ris coined the term genophore for 

1.Stalk supporting spores

2.Bacterial chromosome

3.Genetic material of fungus

4.Genetic material of virus


Question:
Heterocysts, specialized for nitrogen fixation, occur in certain 

1. Red algae( batrachospermum )

2.Green algae

3.Blue green algae

4.Brown algae


Question:
Identify from the following the only category that has a real existence

1.Phylum

2.Kingdom

3.Species

4.Genus


Question:
In a sponge, digestion takes place in 

1. Paragastric cavity/Spongocoel

2.Osculum

3.Ostium

4.Food vacuoles


Question:
In fish Catla catla, the specific name is identical with the generic name. It is an example of 

1.Autonym

2.Tautonym

3.Species

4.Phylum


Question:
In Sycon the larva is 

1.Trochophore

2.Redia

3.Amphiblastula

4.Parenchymula


Question:
In which of the following groups all animals are triploblastic

1. Annelida, Mollusca, Porifera

2.Arthropoda, Cnidaria, Annelida.

3.Mollusca, Echinodermata, Annelida.

4.Mollusca, Ctenophora, Arthropoda.


Question:
Intermediate between diploblastic and triploblastic body structure is found in

1.Porifers

2.Coelenterates

3.Ctenphores

4.Platyhelmintes


Question:
Engler and Prantl published a phylogenetic system in the monograph 

1.Genera Plantarum

2. Die Naturlichen Pflazenfamilien

3.Species Plantarum

4.Origin of species


Question:
Lagoon is 

1.Full moon

2.Sea breaking into land and separated by sand dunes

3.Spot in desert with presence of water

4.Horse-shoe shaped coral reef


Question:
Linnaeus evolved a system of nomenclature called 

1.Monomial

2.Vernacular

3.Binomial

4.Polynomial


Question:
Linnaeus is credited with

1.Binomial nomenclature

2.Discovery of microscope

3.Theory of biogenesis

4.Discovery of blood circulation


Question:
Long hollow bones connected by passages are characteristic of 

1.Mammales

2.Aves

3.Reptiles

4.All of the above


Question:
Maintenance of internal favorable conditions despite changes in external environment is 

1.Entropy

2.Enthalpy

3.Steady state

4.None of the above


Question:
Metabolism is 

1.Gain of energy

2.Release of energy

3.Release or gain of energy

4.Catabolism of a reaction


Question:
Nitrogen fixing organism which can be free as well as symbiotic is 

1.Anabaena

2.Azotobacter

3.Liverworts

4.Mosses


Question:
Pesticide used in preparation of herbarium

1.2, 4-D

2.NAA

3.Mercuric chloride

4.Carbon di sulphide


Question:
Phylum Arthropoda is the largest phylum in the animal kingdom. Which is the second largest phylum

1.Mollusca

2.Annelida

3.Hemichordata

4.Echinodermata


Question:
Plague is caused by 

1. Pasteurella pestis

2. Varicella virus

3. Pseudomonas

4.Xanthomonas


Question:
Prokaryotic flagellum consists of 

1.Fiber enclosed by protein membrane

2.Fiber enclosed by unit membrane

3.Helically arranged protein molecules

4.Membrane enclosed 9+2 microtubular


Question:
Pseudo metamerism occur in

1.Turbellaria

2.Trematoda

3.Cestoda

4.All of the above


Question:
Species of Saccharum originally grown in India was 

1.S. officinarum

2.S. barberi

3.S. boulardii

4.S. munja


Question:
Sponges reproduce asexually by

1.Multiple fission

2.Binnary fission

3.Fragmentation

4.Sporulation


Question:
Stage between two larval moults is 

1.Instar

2.Pupa

3.Morula

4.Larva


Question:
Thanatology is the science that deals with

1.Detection of lie

2.Identification of living

3.Solving paternity of child

4.Death in all its aspects


Question:
The term phylum was given by

1.Cuvier

2.Haeckel

3.Theophrastus

4.Linnaeus


Question:
The young of some insects resemble the adult in general structure but lack the wings and lack the wings and mature reproductive organs. Such a young one is called

1.Nymph

2.Grub

3.Caterpillar

4.Maggot


Question:
Which is the correct sequence of taxonomic categories

1. genus → Species → order → kingdom

2.Species → order → phylum → kingdom

3. Species → genus → order → phylum

4.None of the above


Question:
Which occurs in amoebiasis 

1.Stool with mucus

2.Mild diarrhea with alternate constipation

3.Stool with blood

4.All of the above


Question:
Which of the following combinations is correct for Wheat? 

1.Genus Triticum, family Poaceae , order Poales, Class Dicotyledonae

2.Genus Triticum, family Poaceae , order Sapindales, class Monocotyledonae.

3.Genus Triticum, family Poaceae , order Poales, Class Moncotyledonae.

4.Genus Triticum , family Anacardiaceae, order Poales, class Monocotyledonae


Question:
Which of the following is false regarding sponges

1.Development is indirect having a larval stage which is morphologically dist

2.Fertilization is external.

3.They are generally unsymmetrical and marine.

4.Digestion is intracellular.


Question:
Which of the following is less general in characters as compared to genus 

1.Species

2.Class

3.Family

4.Division


Question:
Which of the following is not an annelidian character

1.Tripploblastic body

2.Enterocoel

3.Metamerism

4.Bilateral symmetry


Question:
Which of the following phyla is correctly matched with its two general characters

1.Mollusca – Oviparous and indirect development

2.Arthropoda – Chitinous exoskeleton and closed type of circulatory system.

3.Cnidaria – Triploblasty, radial symmetry and gastrovascular cavity.

4.Echinodermata – Water vascular system and internal fertilization.


Question:
Zoospore of Albugo possesses flagella 

1.Two similar and apical

2.Four similar and medium

3.Four apical

4.Two dissimilar and median


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