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 Mcqs with Answers Solved.

The algal partners in a lichen?

Only one pair of chromosome is present in?

The most fragile of all biome is?

Most fossils are found in?

No of ATP produced by one reduced NAD is?

Sclerotization and impregation with calcium carbonate take place in?

Which of the following is biodegradable plastic?

Which of the following phylum is exclusively marine?

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

Today crop production is limited by effects of Salinization at about?

Which of the following is related to salt tolerant plant?

Bacteriograph viruses that infect bacteria were discovered independent by?

Poly siphonia is an example of?

No of Fatty Acids in Phosphatidic Acid is?

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

Twins produced from a single fertilized egg are known as?

True statement about lung cancer is?

According to _________ active site is a rigid structure.

The chief structural and functional units of the nervous system are?

During surgery antithrombin III is used to prevent?

Which of the following statement is correct about MYSOPLASMS?

A team of Japanese scientists is working on introducing the C4 photosynthetic pathway into?

The structure that prevents the food from entering the nasal cavities is?

Nitrogenous waste in bony fishes is?

Number of cranial nerves present in the brain of bony fishes?

Which division of nervous system prepares the body for stressful and energetic activity fight or flight?

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

The soft part of the molluscan body has?

The human genome is ________ times larger than any other genome sequenced so far.

“Minimal” medium does not contain?

The chaetae are absent in?

The ribosomes are attached to mRNA through _________ ribosomal subunit.

In plant cells nucleus is pushed towards periphery due to the presence of?

Which of the following enzymes works best in basic medium?

The study of relationship of different communities to their environment is called?

Which of the following factor cannot change the gene frequency?

The gene causing the white eye trait in Drosophila resides only on?

What is the diameter of skeletal muscle fiber

How many number of muscles in human body

Number of ascospores in each Ascus is?

Familial hypercholesterolemia patients lack receptors for removing cholesterol from blood on?

Non-surgical removal of kidney stone is?

Axons are?

In peritoneal dialysis, peritoneal cavity is filled with dialysis fluid that enters the body through a?

Which of the following is a genetic disorder?

Misuse of streptomycin can cause?

The oldest known fossils are?

Weight of kidneys accounts for?

Large intestine also harbors a large population of bacteria that synthesize some vitamins especially vitamin?

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

Pelvic and leg bones are useless vestiges in?

Green plants converts what?

The process of evolution f leaf was show and gradual which completed n more than?

Blood is not involved in the transported of gases in?

Which is correct about co-factor?

Glyceraldeyde is a?

The condition in which one of sex chromosome is missing is known as?

A parasitic angiosperms that lack chlorophyll is?

Excessive use of green vegetables and tomatoes may be the source of?

The largest invertibrates animal is?


Glycolate produced during photorespiration enters into?

Kind of RNA present in least amount?

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

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

Adjustment in the body postures to economize heat loss and heat gain is?

Site for gaseous exchange in respiration system of man is?

Who for the first time found white eye mutant in Drosophila?

Double fertilization in the characteristics feature of?

Who said in 1902 that plant cells are totripotcnt?

The E. coli genome consist of ________base pairs.

An unbroken series of species arranged in ancestor to descendant sequence with each later species having evolved from one that immediately preceded is called?

Lamarck published his theory of evolution in?

Nuclic Acids were 1st isolated in?

What are the products of cyclic phosphorylation?

Each successional stage of community is known as?

Which of the following statement about the heart of fishes is correct?

No of tubules present in a centriole is?

All protozoans are?

Open growth is found in?

In which phase of menstrual cycle progesterone is released from corpus Luteum.

Wave of blood pressure or pulse due to heartbeat can be defected in?

The complete mature and infectious particle is known as?

Tobacco pipes are made of the wood of?

In bacteria nuclear region is visible in the light microscope after staining with?

A tiny hair like trigger, projection outside is known as?

Which of the following technique astronauts can use for growing vegetables?

The disease caused by low calcium level in the blood is?

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

Which one of the following is a kind of chemical link b/w catabolism and anabolism?

What is our principle source of energy?

A shipworm damages wooden parts of the ship is?

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

In cockroach digestion of food is completed in?

Nasal cavities lined with mucous membrane of?

What is the function of brown fats in mammals?

Which of the following organic nutrient in the blood serves as a precursor of steroid hormone?

The DNA molecule had a shape of a helix with a diameter of?

In favourable conditions slime mold spores germinate into?

Which type of nephron is specifically instrumental in the production of concentrated urine?

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