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.


Structure comparable to the organs of the body are?

Denitrifying bacteria are?

In ferns each sorus consist of number of sporangia covered by?

The organs which can least withstand to anoxia?

Hydra has?

An aerobic bacterium is?

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

Which of the following hormone is used to induce labor in pregnant women?

Roots hair are extensions of?

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

Establishment of new forest where no forest existed before is known as?

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

Apart from immunity system HIV can infact?

Optimum temperature of human body is?

Bacteria are being used as?

An enzyme that can be used to treat Lyosome storage disease is?

During first phase of digestion (in amoeba) pH is?

Plant cells that have had cell wall removed are called?

The removal apex releases the lateral buds from apical dominance. It is called?

Which of the following is not included in bark?

The word biology has been derived from two ________ words.

Which is not the function of oral cavity?

Incomplete of imperfect digestion of food is called?

Ecology is mainly concerned with?

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

No of layers in cell wall is?

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

Book lungs are observed in which class?

The place on the chromosomes where spindle fibers are attached during cell division is?

In round worms nerve ring is present around?

Generals hormones are?

Which of the following factor does not affect the gene frequency?

Alary muscles helps in?

Limbs regeneration has been studied mostly in?

Asexual phase of the life cycle of malarial parasite is complete in?

The diaphragm present in the mammal helps in?

Which of the following group may be colonial?

Which of the following hormone is secreted after ovulation?

All seed producing plant s are called?

Which of the following is incorrect about “CALLUS”?

The organism used to reduce pollution of heavy metals by bio absorption?

Which of the following inhibit the growth of Micro-organism on living Surface?

The actual position where an organism lives is called its?

A cell suspension culture of Cinchona ledgeriana produce?

Initially the classification was based on _________ of plants and animals.

Which of the following enzymes works best in basic medium?

The apoenzyme and the cofactor together constitute the whole or complete enzyme termed as?

Diseases in living organism, which are caused by parasites are called?

Number of species of ROSACEAE family reported in Pakistan?

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

Misuse of streptomycin can cause?

The process of shedding of exoskeleton is called?

During contraction of muscles which of the following does not decrease?

Incorrect statement about population is?

Glyceraldeyde is a?

The idea of inheritance of acquired characteristics was presented by?

Flowering parts are considered to have evolved from?

Hepatic portal vein is formed by many veins collecting deoxygenated blood from different parts of alimentary canal, pass the blood to?

The number and variety of species in a place called?

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

What is Prophage?

In which of the following waste compounds into the soil are used as chemical weapons against other competing plants?

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?

Discharge of blood from blood vessels is known as?

A protein attached with lecithin to form?

Pelvic and leg bones are useless vestiges in?

The branch of biology which deals with the abnormal development and their causes is called?

Which one is Globular protein?

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

The functional specificity of every enzyme is due to its?

The distribution of organism in space can be studied through?

The normal pH of human blood is?

The most abundant cartilage in human body is?

Which of the following hormone is polypeptide in nature?

None membranous cell organelle is?

In Escherichia coil plasmid were discovered by investigators while studying their?

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

Fossil fuels are example of?

In nitrogen cycle, bacteria that converts relatively toxic nitrite to nitrate is?

The most common rust fungi is?

Total number of Amino Acids in haemoglobin?

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

Which developed the technique of vaccination in 1975?

Nuclic Acids were 1st isolated in?

Weight of kidneys accounts for?

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

Who modified five kingdom system of Robert Whittaker?

Which one of the following is cranial and paired bone?

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

Plants bend towards light?

The recovery from Anorexia nervosa is very slow. It may take?

Organs structurally different but functionally alike are?

Florigen hormone is produced in?

The edge of fern sporangium is divided?

Tentative explanation of observation is known as?

Which of the following enzyme works best in basic medium?

Double fertilization in the characteristics feature of?

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

Regeneration of which plant from protoplast produces infertile plants?

Spinal nerves included in parasympathetic nervous system arise from the?

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