Explore topic-wise MCQs in Biology.

This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

3351.

In which of the following reptiles, four chambered heart is present ? (JCECE-2003)

A. Lizard
B. Snake
C. Scorpion
D. Crocodile
E. Bufo
Answer» E. Bufo
3352.

The total words in binomial nomenclature are .......... (PMT-97)

A. 5
B. 3
C. 2
D. 4
Answer» D. 4
3353.

New systematic and the concept of life was given by (BHU-98)

A. Huxley
B. Odom
C. Elton
D. Linnaeus
Answer» B. Odom
3354.

A community includes .......... (CET-98)

A. a group of same genera
B. a group of same population
C. a group of individuals from same species
D. different populations interacting with each other
Answer» E.
3355.

Which of the following is the correct sequence in the increasing order of complexity ? (PMT-97)

A. molecules, tissues, community, population
B. cell, tissues, community, population
C. tissues, organisms, population, community
D. molecules, tissues, community, cells
Answer» D. molecules, tissues, community, cells
3356.

Which one is not correct ? (Haryana-PMT-2005)

A. Humans-Ureotelic
B. Birds-Uricotelic
C. Lizards - Uricotelic
D. Whale - Ammonotelic
E. Bufo
Answer» E. Bufo
3357.

An egg laying mammals is (J & K CET-2008)

A. Delphinus
B. Macacg
C. ornithorhynehus
D. macrolus
E. Bufo
Answer» D. macrolus
3358.

A group of plants or animals with similar traits of any rank is kept under .......... (PMT-96)

A. specie
B. genus
C. order
D. taxon
Answer» E.
3359.

Two words comprising the binomial nomenclature are .......... (DPMT-96)

A. Family & genu
B. order & family
C. genus & species
D. species & variety
Answer» D. species & variety
3360.

The second largest aquatic vertebrate is (J & K CET-2008)

A. blue whale
B. whale shark
C. sea elephant
D. dugoress
E. Bufo
Answer» C. sea elephant
3361.

The smallest taxon amongst following is ..........(PMT-94)

A. clas
B. order
C. species
D. genus
Answer» D. genus
3362.

The limbless amphibian is (Kerala - CEE-2011)

A. Ict thyophis
B. Hyla
C. Rana
D. Salamander
E. Bufo
Answer» B. Hyla
3363.

Right aoritc arch is present in (Manipal-2005)

A. reptiles only
B. Mammals only
C. birds only
D. both b and c
E. Bufo
Answer» D. both b and c
3364.

The long bones are hollow and conected by air passage these are characteristic of (AMU-2006)

A. Mammalia
B. Aves
C. Poptilia
D. Sponges
E. Bufo
Answer» C. Poptilia
3365.

Taxonomically a species is .......... (PMT-94)

A. A group of evolutionary related population
B. A fundamental unit in the phylogeny of organisms
C. Classical evolutionary taxonomy
D. A community taken into consideration as an evolutionary base
Answer» C. Classical evolutionary taxonomy
3366.

Salamander can regenerate (AMU-2003)

A. tail
B. limbs
C. external gills
D. all of those
E. Bufo
Answer» D. all of those
3367.

Which of the following snake is non-poisonous ? (RMPT-2011)

A. cobra
B. krait
C. viper
D. python
E. Bufo
Answer» E. Bufo
3368.

Mammal’s heart is (RMPT-2011)

A. Myogenic
B. neurogenic
C. voluntary
D. sympathetic
E. Bufo
Answer» B. neurogenic
3369.

Species is .......... (CBSC-94)

A. not related to evolution
B. specific class of evolution
C. specific unit of evolution
D. fertile specific unit in the evolutionary history of a race
Answer» E.
3370.

Which of the following is a flightless bird ? (UPCPMT-2011)

A. ostrich
B. Emu
C. kivi
D. All of those
E. Bufo
Answer» E. Bufo
3371.

In taxonomic classification the correct sequence is .......... (CBSC-92)

A. class-family-tribe-order-genus-species
B. class-order-family-tribe-genus-species
C. tribe-order-family-genus-species
D. class-tribe-order-family-genus-species
Answer» C. tribe-order-family-genus-species
3372.

The correct sequence of taxonomic categories is ..........

A. class-phylum-tribe-order-family-genus-species
B. phylum-order-class-tribe-family-genus-species
C. division-class-order-family-tribe-genus-species
D. division-class-family-tribe-order-genus-species
Answer» D. division-class-family-tribe-order-genus-species
3373.

Air bladder occurs in (Haryana PMT-2006)

A. Torpedo
B. Anabus
C. Scoliodon
D. Elasmobranch
E. Bufo
Answer» C. Scoliodon
3374.

Which of the following is an insect ? (GUJ-CET)

A. Moth
B. mites
C. prawn
D. scorpion
E. Bufo
Answer» B. mites
3375.

Lateral line scnse organs occur in (MHT CET-2004)

A. salamander
B. frog
C. water snake
D. scoliodon
E. Bufo
Answer» E. Bufo
3376.

Ascaris is found in (RPMT-2004)

A. body cavity
B. lymph nodes
C. tissue
D. alimentary canal
E. Bufo
Answer» E. Bufo
3377.

Scientific name of starfish is (Amu-2004)

A. Echinus
B. Limulus
C. Echidna
D. Asterias
E. Bufo
Answer» E. Bufo
3378.

Which of the following respires through gill ? (J & K CET-2005)

A. whale
B. Turtle
C. frog
D. Prawns
E. Bufo
Answer» E. Bufo
3379.

In cockroach, vision is due to (Punjab PMET-2005)

A. one compound eye
B. two compound eyes
C. two simple eyes
D. two compund and two simple eyes.
E. Bufo
Answer» C. two simple eyes
3380.

Animals which active at night are called. (J & K CET-2004)

A. diurnal
B. nocturnal
C. parasites
D. nocto-diurnal
E. Bufo
Answer» C. parasites
3381.

Metameric segmentation is the main feature of (Punjab PMET)

A. Annelida
B. Echinodermata
C. Arthropoda
D. Coelenterata
E. Bufo
Answer» B. Echinodermata
3382.

Mollusca is (JCECE-2006)

A. Triploblastic, acoelomate
B. Triploblastic, coelomate
C. Diploblastic, acoelomate
D. Diploblastic, coelomate
E. Bufo
Answer» C. Diploblastic, acoelomate
3383.

The echinoderms are (BHU-2005)

A. Arborial insects
B. Marine animals
C. terrestrial insects
D. freshwater worms
E. Bufo
Answer» C. terrestrial insects
3384.

The exerctory organ in cockroach is (Kerala-CEE-2007)

A. malplghian corpuscle
B. Malpighian tubules
C. green gland
D. Metanephridia
E. Bufo
Answer» C. green gland
3385.

In Echinoderms, tube fect are related with (AMU-2004)

A. locomotion
B. excretory system
C. respiratory system
D. reproductive system
E. Bufo
Answer» B. excretory system
3386.

Phylum of Taenia Solium is (BCECE-2004)

A. Aschelminthes
B. Annelids
C. platylyelminthes
D. mollusca
E. Bufo
Answer» D. mollusca
3387.

Exoskeleton of which phylum consists of chitinous cuticle ? (J & K CET-2007)

A. Annelida
B. porifera
C. Arthropoda
D. Echinodermata
E. Bufo
Answer» D. Echinodermata
3388.

Body cavity lined by mesoderm is called (J & T CET-2005)

A. coelenteron
B. pseudocoel
C. coelom
D. blastocoel
E. Bufo
Answer» D. blastocoel
3389.

The second largest number of species containing phylum in the animal kingdom is (J & K CET-2008)

A. Annelida
B. Arthropoda
C. Mollusca
D. Chordata
E. Bufo
Answer» D. Chordata
3390.

The jawless vertebrate is (Kerala CEE-2004)

A. crocodile
B. zoris
C. Hyla
D. fox
E. Bufo
Answer» D. fox
3391.

Arms are absent in (Haryana PMJ-2007)

A. Seaurchin
B. Sea cucumber
C. Both a & b
D. None of these
E. Bufo
Answer» D. None of these
3392.

Which of the following animals has a true coelom ? (J & K CET-2007)

A. Ascaris
B. pheretima
C. sycon
D. Taenia solium
E. Bufo
Answer» C. sycon
3393.

Which of the following is a crustacean ? (Guj-CET-2011)

A. prawn
B. snail
C. sea anemone
D. Hydra
E. Bufo
Answer» B. snail
3394.

Which of the following have the highest number of species in nature ? (CBSE AIPMT-2011)

A. Insects
B. Birds
C. Angiosperms
D. Fungi
E. Bufo
Answer» B. Birds
3395.

Tube feet are the locomotory organs of (OJEE-2010)

A. platyhelminthes
B. Echinodermata
C. Mollusca
D. Arthropoda
E. Bufo
Answer» C. Mollusca
3396.

Book lungs are respiratory organs in (AMU-2008)

A. Insects
B. Aarachnids
C. Molluscans
D. Echinoderms
E. Bufo
Answer» C. Molluscans
3397.

The respiratory pigment present in cockroach is (OJEE-2010)

A. Haemoglobin
B. Haemocyanin
C. oxyhaemoglobin
D. None of these
E. Bufo
Answer» E. Bufo
3398.

Salient feature of Arthropoda is (RPMT-2003)

A. aquatic and free living
B. chitinous exoskeleton and jointed appendages
C. Radulla
D. None of those
E. Bufo
Answer» C. Radulla
3399.

One of the following cannot be called a taxon .......... (PMT-98)

A. order
B. family
C. genus
D. none of the above
Answer» E.
3400.

Basic unit of classification of organisms is .......... (CET-2003)

A. specie
B. population
C. class
D. family
Answer» B. population