Biology Mcqs Online with Answers

Biology is the natural science that involves the study of life and living organisms, including their physical structure, chemical composition, function, development and evolution.Biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the creation of new species. Living organisms are open systems that survive by transforming energy and decreasing their local entropy to maintain a stable and vital condition defined as homeostasis. Biology divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.Just follow the Mcqs online quiz being dispatched over here with respect to your preparation for entry admission test NTS PPSC OTS PTS and missllenous job exams simultaneously.

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Biology Mcqs Online with Answers for NTS PPSC Entry Test Classes 

Biology

Biology Mcqs with Answers Solved.


Which of the following is biotic component of ecosystem?

Green plants converts what?

A substance that inhibit blood clotting is?

Nervous system design is highly co – related with animals?

Imbibition can increase the volume dry seed upto?

How many number of muscles in human body

Amount of CO2 in 100 ml of venous blood is?

The scientist provided the data about the ratios of different bases present in DNA molecules in

True statement about lung cancer is?

Book lungs are observed in which class?

About 60% of the total volume of the leaf is?

The utilization of the products of digestion for production of energy or synthesis of cellular material is termed as?

Lungs are spongy because of the presence of millions of?

Armadillos are the armored mammals that live only in the?

What is the correct route of urine from kidneys to out of body?

Receptor site for HIV is?

In placental mammals embryo is attached to its mother special organ placenta developed from the?

Destruction of all life forms is achieved through?

Amount of water in cytoplasm is?

Which of the following is related to fresh water habitate?

Recombinant DNA is also called?

The distance between adjacent base pairs of DNA double helix is?

If tuft to flagella is present only at one pole of bacteria then these are?

First complete seeds appeared approximately 365 million years ago during late?

Hoofed grazing animals, such as horses, cattle and sheep are called?

Which of the following have sheet like body?

In seeds rich in lipids such as castor bean and Soya beans glyoxysomes are sites for break down of fatty acids into?

Tentative explanation of observation is known as?

Who introduced binomial nomenclature for naming species?

Brain is not protect by?

The cells that cling to an egg after ovulation are known as?

Roots hair are extensions of?

If the liver as well as both kidneys are removed from an experimental animal?

17.6% of total species is?

Number of nucleotides in the DNA of a typical human chromosome is about?

Which of the following is incorrect about “Ethene”?

The most common rust fungi is?

A sequence of change in the community structure of an ecosystem over a period of time is called?

The stomach is situated below the diaphragm on the?

Reasoning moves from general to specific is?

Lamarck published his theory of evolution in?

Which is present in both prokaryotic and Eukaryotic cells?

Glyceraldeyde is a?

Which of the following is incorrect about “ERYTHROCYTES”?

Which is correct food chain?

Number of chloroplates present in the leaf surface is about?

Seal / fish food relationship is?

The electromagnetic ray used in sterilization process?

At the point of junction of the three bones ilium, ischium, pubis a depression is known as?

The most abundant carbohydrate in nature is?

That association between organisms in which both partners get benefits each other is called?

Major constituent of birth control pill is?

What is the function of rectal gland?

Temperate phage in bacteriophage life cycle act as?

No. of Amino acids in each turn of α- helix?

Most ciliates are capable of sexual process called?

Which order of classifactory divisions is correct?

Hyponasty is due to?

Which of the following directly develop from apical meristem?

what are the coelenterates?

If the DNA in all of the cells of an adult human were lined up end to end, it would stretch nearly?

A full set of genes of an individual is known as?

The sequence of nucleotides that determines the amino acid sequence of a protein is called a?

Saliva is collected in (cockroach) inside?

Cone cells have specific light absorbing proteins called?

Which of the following conditions is related to conduction of nerve impulse?

Florigen hormone is produced in?

Growth controlling factor at stem tip is?

Site for gaseous exchange in respiration system of man is?

Unit of biological inheritance is?

Lamarck was incharge of invertebrate collection at Natural History Museum in?

The two opposite and two parallel strands of DNA are held together by?

The branch of biology which deals with the study of aging is called?

Flowering parts are considered to have evolved from?

Serum hepatitis is cause by?

Which of the following pair is mismatched?

Ability of terrestrial animals to tolerate dehydration is known?

What is our principle source of energy?

The most important group of proteins which are biological active?

Bacteria which obtained their food from dead organic matter are called?

The contraction and relaxations movement in __________ expel the baby towards vagina called birth canal.

In 1840.s, staple food of Irish people was?

The pores through which water enters into spongocoel are known as?

The science of studying the DNA sequences and properties of entire genome is called?

All brown algae are multicellular and range from few centimeters to approximately?

Some balance or ratio between growth inhibitors and growth stimulators is involved in?

Apart from urea, which of these does mammalian urine also contains?

In deoxyribose one oxygen is removed from Hydroxyl group at carbon no?

Open growth is found in?

Weight of kidneys accounts for?

The epithelial cells of villi are constantly shed into intestine. These cells are replaced by the new cells moving up due to rapid cell division in?

Carlous Linnaeus took the scientific names from _______word.

Sliding filament model was proposed in?

Carlous Linnaeus was a?

In blue green algae/ cyanobacteria photosynthetic pigments and electron transport chain component are located on?

Which of the following is not a product of photosynthesis?

Discoidal cleavage is observed in?

How much energy is transferred from one tropic level to the next in food chain?

The I-bones have mid lines called?

The technique of recording the electrical activity of the heart is?

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