Explore topic-wise MCQs in SRMJEEE .

This section includes 49 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.

1.

One of the important consequences of geographical isolation is:

A. Random creation of new species
B. No change in the isolated fauna
C. Preventing Speciation
D. Speciation through reproductive isolation
Answer» E.
2.

Which one of the following statements about viruses is correct?

A. viruses possess their own metabolic system
B. all viruses contain both RNA and DNA
C. viruses are obligate parasites
D. nucleic acid of viruses is known as capsid
Answer» D. nucleic acid of viruses is known as capsid
3.

Tobacco mosaic virus is a tubular filament of size

A. 300 x 10 nm
B. 300 x 5 nm
C. 300 x 20 nm
D. 700 x 30 nm
Answer» D. 700 x 30 nm
4.

Viruses are no more “alive” than isolated chromosomes because

A. they require both RNA and DNA
B. they both need food molecules
C. they both require oxygen for respiration
D. both require the environment of a cell to replicate
Answer» E.
5.

Species are considered as

A. real basic units of classification
B. the lowest units of classification
C. artificial concept of human mind which cannot be defined in absolute terms
D. real units of classification devised by taxonomists
Answer» B. the lowest units of classification
6.

 Phenetic classification is based on

A. the ancestral lineage of existing organisms
B. observable characteristics of existing organisms
C. dendrograms based on DNA characteristics
D. sexual characteristics
Answer» C. dendrograms based on DNA characteristics
7.

 In which kingdom would you classify the archaea and nitrogen-fixing organisms, if the five-kingdom system of classification is used?

A. plantae
B. fungi
C. protista
D. monera
Answer» E.
8.

Biosystematics aims at

A. the classification of organisms based on broad morphological characters
B. delimiting various taxa of organisms and establishing their relationships
C. the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
D. identification and arrangement of organisms on the basis of their cytological characteristics
Answer» D. identification and arrangement of organisms on the basis of their cytological characteristics
9.

In five kingdom system, the main basis of classification of

A. structure of nucleus
B. mode of nutrition
C. structure of cell wall
D. asexual reproduction.
Answer» C. structure of cell wall
10.

Cauliflower mosaic virus contains

A. ss RNA
B. ds RNA
C. ds DNA
D. ss DNA.
Answer» D. ss DNA.
11.

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

A. species
B. division
C. class
D. family
Answer» B. division
12.

A system of classification, in which a large number of traits are considered, is

A. natural system
B. phylogenetic system
C. artificial system
D. synthetic system.
Answer» B. phylogenetic system
13.

The book ‘Genera Plant arum’ was written by

A. Engler & Prantl
B. Bentham & Hooker
C. Bessey
D. Hutchinson.
Answer» C. Bessey
14.

What is the genetic material in influenza virus?

A. double helical DNA
B. RNA
C. single helix DNA
D. none of these.
Answer» C. single helix DNA
15.

‘Taxon’ is the unit of a group of

A. order
B. taxonomy
C. species
D. genes.
Answer» C. species
16.

BGA (blue green algae) is included in which of the following groups?

A. bryophytes
B. prokaryotes
C. protista
D. fungi.
Answer» C. protista
17.

The tailed bacteriophages are

A. motile on surface of bacteria
B. non-motile
C. motile on surface of plant leaves
D. actively motile in water.
Answer» B. non-motile
18.

Tobacco mosaic virus (TMV) genes are

A. single stranded RNA
B. double stranded DNA
C. proteinaceous
D. double stranded RNA.
Answer» B. double stranded DNA
19.

 Phylogenetic classification is one which is basea

A. overall similarities
B. utilitarian system
C. habits of plants
D. common evolutionary descent.
Answer» E.
20.

The protists have

A. only free nucleic acid aggregates
B. membrane bound nucleo proteins lying embedded in the cytoplasm
C. gene containing nucleoproteins condensed together in loose mass
D. nucleoprotein in direct contact with the rest of the cell substance.
Answer» C. gene containing nucleoproteins condensed together in loose mass
21.

Linnaeus is credited with

A. binomial nomenclature
B. theory of biogenesis
C. discovery of microscope
D. discovery of blood circulation.
Answer» B. theory of biogenesis
22.

Schizont stage of Plasmodium occurs in human cells

A. erythrocytes
B. liver cells
C. erythrocytes and liver cells
D. erythrocytes, liver cells and spleen cells.
Answer» D. erythrocytes, liver cells and spleen cells.
23.

 If all ponds and puddles arc destroyed, the organism likely to be destroyed is

A. Leishniania
B. Trypanosoma
C. A scar is
D. Plasmodium.
Answer» E.
24.

Sequence of taxonomic categories is

A. class-phylum-tribe-order family- genus species
B. di vision-class-family-tribe-order-genus- species
C. division-class-order-family-tribe-genus- species
D. phylum-order-class-tribe-family-genus- species
Answer» D. phylum-order-class-tribe-family-genus- species
25.

The term phylum was given by

A. cuvier
B. haeckel
C. theophrastus
D. linnaeus.
Answer» B. haeckel
26.

The part of life cycle of malaria parasite Plasmodium vivax, that is passed in female Anopheles is

A. sexual cycle
B. pre-crythrocytic schizogony
C. exoerythrocytic schizogony
D. post-erythrocytic schizogony.
Answer» B. pre-crythrocytic schizogony
27.

An important criterion for modern day classification is

A. resemblances in morphology
B. anatomical and physiological traits
C. breeding habits
D. presence or absence of notochord.
Answer» C. breeding habits
28.

A group of plu.nts or animals with siuilar traits of any rank is

A. species
B. gcr.us
C. order
D. taxon.
Answer» E.
29.

In Amoeba and Paramecium osmoregulation occurs through

A. pseudopodia
B. nucleus
C. contractile vacuole
D. general surface
Answer» D. general surface
30.

African sleeping sickness is due to

A. Plasmodium vivax transmitted by Tsetse fly
B. Trypanosoma lewsii transmitted by Bed Bug
C. Trypanosoma gambiense transmitted by Glossina palpalis
D. Entamoeba gingivalis spread by Housefly.
Answer» D. Entamoeba gingivalis spread by Housefly.
31.

 Malignant tertian malaria parasite, belongs to class

A. Plasmodium falciparum
B. P. vivax
C. P. ovale
D. P. malariae.
Answer» B. P. vivax
32.

Who discovered Plasmodium in R.B.C. of human beings?

A. Ronald Ross
B. Mendel
C. Laveran
D. Stephens.
Answer» D. Stephens.
33.

Basic unit or smallest taxon of taxonomy/ classification is

A. species
B. kingdom
C. family
D. variety.
Answer» B. kingdom
34.

Linnaeus evolved a system of nomenclature called

A. mononomial
B. vernacular
C. binomial
D. polynomial
Answer» D. polynomial
35.

Plasmodium, the malaria parasite, belongs to class

A. sarcodina
B. ciliata
C. sporozoa
D. dinophyceae
Answer» D. dinophyceae
36.

Amoebiasis is prevented by

A. eating balanced food
B. eating plenty of fruits
C. drinking boiled water
D. using mosquito nets.
Answer» D. using mosquito nets.
37.

Which is true about Trypanosoma?

A. polymorphic
B. monogenetic
C. facultative parasite
D. non-pathogenic.
Answer» B. monogenetic
38.

Genetic information in Paramecium is contained in

A. micronucleus
B. macronucleus
C. both micronucleus and macronucleus
D. mitochondria.
Answer» B. macronucleus
39.

The infective stage of malaria parasite, Plasmodium that enters human body is

A. merozoite
B. sporozoite
C. trophozoite
D. minuta form
Answer» C. trophozoite
40.

System of classification used by Linnaeus was

A. natural system
B. artificial system
C. phylogenetic system
D. asexual system
Answer» C. phylogenetic system
41.

Artificial system of classification was first used by

A. Linnaeus
B. De Candolle
C. Pliny the Edkr
D. Bentham and Hooker
Answer» B. De Candolle
42.

A bite of Tse-tse fly may pass to humans

A. Leishmania donovani
B. Trypanosoma gambiense
C. Entamoeba histolytica
D. Plasmodium vivax.
Answer» C. Entamoeba histolytica
43.

Malaria fever coincides with liberation of

A. cryptomerozoties
B. metacryptomerozoites
C. merozoites
D. trophozoites.
Answer» C. merozoites
44.

Trypanosoma belongs to class

A. sarcodina
B. zoofiagellata
C. ciliata
D. sporozoa.
Answer» C. ciliata
45.

The vector for sleeping sickness is

A. housefly
B. tsetse fly
C. sandfly
D. fruit fly.
Answer» C. sandfly
46.

 The causal organism for African sleeping sickness i is

A. Trypanosoma cruzi
B. T. rhodesiense
C. T. tangela
D. T. gambiense.
Answer» E.
47.

Classification given by Bentham and Hooker is

A. artificial
B. natural J U.
C. phylogenetic
D. numerical
Answer» C. phylogenetic
48.

The term “New Systematics” was introduced by

A. Bentham and Hooker
B. Linnaeus
C. Julian Huxley
D. A.P. de Candolle.
Answer» D. A.P. de Candolle.
49.

Static concept of species was put forward by

A. de Candolle
B. Linnaeus
C. Theophrastus
D. Darwin.
Answer» D. Darwin.