Purine type nucleotide is of how many types

which of the following are purine base nucleotide

Pyrimidines nitrogen base nucleotide are of how many types

which of the following are pyrimidines nitrogen base nucleotide

Who gave the structural model of DNA

Nucleoside is

Nucleotide is

Number of hydrogen bond found between Guanine & cytosine are

Hydrophille nature of Dna is due to presence of

What synthesis Rna

dna is found in

what is essential constituent of nucleic acid

nucleotide is sub unit of

any change in the base sequence with gene is called

Which of the following is found in both nuclues as well as cytoplasm

Rna molecule which acts as an enzyme is called

How many types of RNA are there

Process of copying genetic information from one strand of dna into mRNA is termed as

It is the carrier of amino acid & transfer it to the ribosome & function is to synthesis protein

It is present in ribosome which is the site of protein synthesis

It brings message from dna and found in nuclues to cytoplasm in coded form

Sequence of events in which cell duplicates its genetic material , synthesise the other constitutent of cell and ultimately divide into two daughter cell

The process in which cell increase in their number is called

how many types of cell division are there

which of the following are cell division types

This cell division occur in stomach cell

This cell division takes part in growth , repair and development

In unicellular organism asexual reproduction takes place by the process called

This cell division takes part in reproductive cell

This type of cell division take place during the formation of Gamete

This cell division is also known as reduction division

Genetic was first coined by

Genetic was first coined by w.wattson in

who was the first to use the name gene

Johannes was first used the name gene in

who was the first who gave the idea about heredity

was first who gave the idea of heredity based on his experiment in

Who is known as Father of genetics

for monohybrid cross mendal used

when two dissimilar unit factors are present in an individual only one is able to express

who has given the modern Definition of gene

S.benzer has given the modern Definition of gene in

Gene which exhibits multiple effects is called

when one gene pair hide the effect of other unit is called

Reverse transcription was discovered by

which of the following can't be created by joining segment of Dna taken from the cells of different species

The process of the flow of genetic information from Dna to rna is called

Barr body is found in

when a human have an extra X or Y chromosomes in sex chromosomes and the individual become sterile is called

When female have single sex chromosomes, lack of secondary sexual charater is called

When an extra chromosome is added to 21st autosomal chromosomes

In this syndrome person become mangolism

In this syndrome person is mentally retarted ,eyes protruded & an irregular physical structure is present

By addition of autosomal chromosomes in 13th chromosome , cut mark on lip & person is mentally retarted

Erethrocytes destroyed more rapidly than normal leading to anemia , occurs due to change in 11th autosomal chromosomes

Inborn error of metabolism which results in mental retardation cause due to change in 12th autosomal chromosomes

leads to failure of blood clotting

Gradual changes from low categories animal to high category animal is called

Organ which are seen different due to its function but internal structure and embryonic development are similar

Organ which looks similar due to similar function but their internal structure and embryonic development are different

Flipper of whales is an example of which organ

Feather of bat is an example of which organ

forelimb of horse is an example of which organ

Paw of cat is an example of which organ

Hands of human is an example of which organ

He supported an idea that no Species is new , each & every species originates from some pre existing Species

who wrote species planeterium

Who proposed binomial system of nomenclature

Whose famous book is Philosophic zooloqique

whose theory is known as theory of inheritance of acquired characters

whose book The origin of species

whose theory is known as Theory of natural selection or Darwinism

Recapitulation theory was proposed by

The correct taxonomic hiarchy is

who is Father of botany

who classified the Botanical World

Eichler classified the Botanical World in

cryptogamous plant

Cryptogamous plant are of how many types

The largest group of plant Kingdom

There is no conductive tissue in

Thalophyta is of how many types

Which of the following are the types of thalophyta

Study of algae is called

Algae is used as

what is known as space algae

agar is prepared from algae like

what is used to grow microbes & in preparation of ice cream & jelly

Study of fungi is called

which fungi is known as bread mould

Heterothallism is fungi is founded by

Alfa toxins are produced by

which substance developing on Rocky substance is called saxicolous lichen.

Sexual reproductive organs of Aspergillus are

Which of the following is first group of land plant

Which of the following have lack of xylem & pholem tissue

water conduction takes place in mosses through

Which of the following is used as Fuel & antiseptic

Which of the following is found in shady places ,forests & mountain

In which of the following reproduction occurs by spores produced inside the spirangia