MDCAT Biology Online Test

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  • Chapter NameCh 1 - Introduction to Biology

MDCAT Biology Online Test

  • Total Questions80

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MDCAT Biology Online Test

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Question # 1

Parasites live outside of the body are

Question # 2

Queen victoria was having which kind of haemophilia

Question # 3

The bacteria in the root nodules fix ______ in soil air, converting it to amino acids

Question # 4

Most unifying characteristics of all types of cells is

Question # 5

Each biome consists of a combination of plants and animals in the fully developed

Question # 6

Which characteristic is common in both cnidarians and flatworms

Question # 7

Which can't increase their weight in inorganic medium

Question # 8

What is the risk of a colour blind child in a family when mother is colour-blind but father is normal?

Question # 9

What is cause of Eutrophication

Question # 10

Elements required in large amount are called

Question # 11

Eukaryotes are thought to hve evolved firstly about:

Question # 12

The receptors which are 27 times more abundant than cold receptors

Question # 13

A lichen is the symbiotic association between a

Question # 14

Many cold=blooded animals remain inactive during winter season; it is called:

Question # 15

The relationships between insects and flowering plants is an example of:

Question # 16

Global warming is the result of

Question # 17

Which type of nucleic acid is found in the capsid of HIV

Question # 18

In a phospholipid molecule, phosphoric acid is attached to the carbon number_____ of glycerol.

Question # 19

In 1917, Joseph Grinnell an American ornithologist first proposed the term niche in:

Question # 20

The dominance relations of 4 O'clock plant can be described in terms of :

Question # 21

There are ________ total possible genotypes of blood group ABO system

Question # 22

Darwin published " The Origin of Species" in

Question # 23

In this type of relationship only one organism benefits from the relationship. The other is not affected at all

Question # 24

The living organisms, which cannot prepare their own food but obtain ready-made food form others, are:

Question # 25

The chief reservoir of nitrogen is the

Question # 26

Regional ecological community of plants & animals primarily determined by climate

Question # 27

Dormancy in animals through a drought or dry season is called:

Question # 28

When a haemophilic carrier woman marries a normal man, who among her offspring may be affected

Question # 29

Which of the following sugar is abundant in muscle fibres

Question # 30

The synthesis of Golgi bodies is initiated by

Question # 31

The particles which do not contain any nucleic acid are

Question # 32

The parasites that live outside the body of the host are called:

Question # 33

The persistent symptoms of small pox are

Question # 34

Plants growing on dry habitat is called:

Question # 35

All chromosomes other than sex chromosomes are called :

Question # 36

When living and non-living interact to produce a stable system in which exchange of materiel with flow of energy takes place, it forms a/an:

Question # 37

Newly synthesized Large proteins are digested into small viral proteins by

Question # 38

In temperature deciduous forest the range of temperature is form:

Question # 39

Primary succession that starts in a pond is called:

Question # 40

Which of the following is not an abiotic component

Question # 41

In case of sickle cell anemia, in place of glutamic acid, _________ is found

Question # 42

Which one of the following is an example of commensalism

Question # 43

This is not the part of neuron

Question # 44

Herpes type-1 virus causes

Question # 45

The two linked genes A and B with a 30% recombination frequency must be

Question # 46

The legume plants, Pea and been are the hosts to symbiont bacteria which inhabit the roots forming root:

Question # 47

Group of interbreeding organisms residing together in space & times are

Question # 48

Which of the following organelle is not present in the synaptic knob

Question # 49

Which of the following is a messenger of both chemical and nervous coordination

Question # 50

Fresh water ecosystem  cover the land only:

Question # 51

Decrease in progesterone level in blood stimulates the secretion of

Question # 52

Lices and mosquitoes are the examples of

Question # 53

One poles the average temperature is:

Question # 54

Crustose refers to:

Question # 55

At high substrate level, all the active sites of enzyme are

Question # 56

Which one of a endoparasite of organisms

Question # 57

Biotic components includes all the

Question # 58

Phosphorylation of glucose molecule in glycolysis is carried out by

Question # 59

Nutrient elements become the part of protoplasm during

Question # 60

The succession started on rocks is termed as

Question # 61

Chemical formula of pentose sugar present in DNA

Question # 62

What will be the risk of heamophilia in sons if father is haemophilic and mother is normal

Question # 63

The optimum temperature for most of the enzymes in human body is

Question # 64

In life cycle of bacteriophage, ______ occurs followed by_______.

Question # 65

Which is irrelevant?

Question # 66

A biotic components includes the components like:

Question # 67

The fungi and bacteria, which obtain their energy from the dead and decaying plants and animals are:

Question # 68

Pick up the example of a dinucleotide:

Question # 69

Heterotrophic organisms are basically:

Question # 70

The change in frequency of alleles at a locus that occurs by chance is called :

Question # 71

Which of the following is not affected by enzymes

Question # 72

The relationship in which only one organism benefit from the relationship. The other is not affected at all.

Question # 73

The prokaryotes may have arisen more than

Question # 74

Tiny shaped structure located deep between cerebral hemispheres

Question # 75

"Litho" means

Question # 76

The next to simplest amino acid is

Question # 77

It does not produce any hormone

Question # 78

One mechanism of temperature regulation was developed by land plans and animals by developing.

Question # 79

There are ______ major terrestrial biomes

Question # 80

Actual place or location where an organism lives is called us:

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