Everyday Science – Biological Sciences

There are more than _____ million species of living organisms which have been discovered .

About _____ different species of animals have been discovered

The weight of blue whale is upto.

Plants use energy to synthesize sugar and starch through the process of .

Bio means.

The substances on which the enzymes act are called.

About 19% of total water of Earth is in .

All the _____ are included in kingdom animalia.

Invertebrates are the animals which do not have.

Felis domesticus is the botanical name of.

The basic building unit of all animals and plants is.

The basic use of all scientific information is to improve the quality of our.

The cell consists of a nucleus, which is surrounded by a jelly-like substance called the.

The packages of the enzymes surrounded by membrane and appear as granules under light microscope are called.

The most primitive Multicellular are the sponges and the .

A _____ may be defined as the fundamental unit of heredity, fromed as a sequence of bases in a DNA chain.

The basic or fundamental unit of ecology is known as ecological system or.

The name ‘gene’ was introduced by Johannsen in.

The structure of DNA was elaborated by Watson and Crick in.

There are ____ chromosomes in human body cells.

The estimated number of genes in a human cell is 100,000 and the number of nucleotide pairs in human DNA is.

Both DNA and RNA are made up of repeated units called.

In multicellular animals ,much of digestion occurs in digestive tract but.

Proteins are considered to be the most common large molecules in.

All proteins are made of.

All amino acids contain just ____ elements.

Milk has _____ prominent proteins.

_____ are highly specialized proteins that control the chemical reactions in all living cells.

The energy for the movement of cilia is provided by.

All the biochemical energy related reactions in living body or cell are collectively called.

Isoenzymes are different forms of _____ with slight changes in molecular structure.

The hormone insulin controls the way in which the body uses.

______ is any of several organic substances present in very small amounts in the blood and producing specific effects in the body.

About how many hormones are steroids ,some are proteins and others have different nature ?

Estrogen, progesterone testosterone cortisol hydrocortisone and corticosterone are some _____ hormones.

Which is required for making flesh and repairing damages ?

Only difference between a fat and oil is.

Most of the changes in materials are physical or.

Which vitamin promotes good eyesight and is helpful in night vision ?

Which vitamin is important for bone development ?

______ works with phosphorous in building and maintaining bones and teeth.

Human body contains about 3 to 4 gm of.

Which vitamin helps in healing of wounds and mending fractures ?

Gases involved in respiration are.

The branch of biology that deals with the classification and naming of living things is called.

Each nucleotide of DNA is made up of nitrogenous base,a phosphate group and give carbon sugar called.

The shrinkage of protoplasm due to exosmosis of water from the cell is known as.

A man performing heavy manual work may use as many as _____ kilocalories a day.

The kind of blood circular system which does not permit whole blood to come in direct contact with cell is known as.

Reaction to stimulus is called.

Jelly fish is like.

____ may be killed by heat , sound waves ,or chemical treatment .

Name the mean of making an individual immune to an infectious disease ,such as smallpox, by injecting a vaccine.

Antibodies are key elements in the body,s ____ system.

Name the ability to resist infectious diseases.

Name the post-mortem examination.

Anatomy is the study of.

A process in which micro-organisms in the absence of oxygen breakdown carbohydrates into various organic compounds is called

A variety of organisms which always produce offspring indentical to the parent is called a.

Which is determined by the presence or absence of certain antigens on red blood cells and certain antibodies in the serum ?

Server disturbance of blood glow to the brain may cause a.

First antibiotic ,penicillin was discovered by Alexander Fleming in.

Where lives an amoeba ?

Starfish and jellyfish live in.

Snow leopard jaguar are.

Silverfish and termite are.

Plant kingdom consists of more than _____ species.

The binomial modern system of classification of plants and animals was introduced by Linnaeus (1707-1778).How was a ____ naturalist.

Fossil evidence indicate that the earliest terrestrial vertebrates ware primitive.

The fungi have on ____ and thus cannot photosynthesize.

There are more than _____ species of mosses.

_____ require water to complete their life cycles.

The solar radiation shorter than 390 millimicron is the.

Which is the largest mammal ?

Indus dolphin is found only in.

The outer most boundary in most of the plant cells is .

The parasite that remains on the surface of the body of locust is called .

The quantity of DNA in an egg and a sperm cell of a species is.

Apes have no____ as against monkeys.

Penguin the flight less bird, is found in .

Pteridophytes were much more abundant at least ______ million years ago in the Pennsylvanian period than they are today.

Pines are the common examples of .

Angiosperms or flowering plants have ____ species which are described.

Numerous useful bacteria do many beneficial jobs for.

_______ are used in getting fermented food and drinks.

Ringworm,athlete,s foot ,dandruff, and mycoses are.

It is not advisable to sleep under trees during.

A special type of blood protein known as fibrinogen helps in.

The total pregnancy in human female is usually about nine months or .

Of the dry protoplasm,inorganic matter is .

The colour of the eye id due to the amount of brown pigment present in the.

All the plants and animals are composed of .

Name the organism that lives by taking nourishment from another living organism ,giving no benefit in return.

A man weighing about 70 kilograms contain about ____ litres of blood.

Name the smallest blood particles which play a crucial role in blood clotting.

About ____ percent of the plasma is water.

All the eggs before the start of cell division are composed of .

In which process ripe pollen is transferred from the anther to the stigma of a flower ?

Most plants cease to grow at the temperature below.