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.


Pasteurization is widely used to preserve?

Male copulatory organ is?

Co-ordinated movements of the body are maintained by?

Which rays are not used in lithotripsy?

A preferable vehicle for a biotechnology product is known as?

Lungs are present in?

Brownish colour of the stool or fecal matter is due to?

In the glottis the mucous membrane is stretched across into two thin edged fibrous band called?

Number of ascospores in each Ascus is?

Saprophytic plants produced (to get food)?

What is the function of heat – shock proteins in plants?

Environmental factors causing or contributing to abnormal development are grouped together as?

The path of electron through two photo system during non cyclic photo phosphorylation is?

Which of the following is a genetic disorder?

Optimum temperature of human body is?

Tides are mainly caused by the gravitational pull of the?

Which of the following is not accordance with phyletic lineage?

Most fossils are found in?

Commonly used restriction enzyme is?

Site for gaseous exchange in respiration system of man is?

Which can be used as a pollution indicator?

The destruction of all life forms is?

Bacteria are being used as?

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

The most fragile of all biome is?

Only one pair of chromosome is present in?

During which stage of succession dermatocarpon and permellia develops?

The present goal of gerontology is to increase the?

Grass land present in temperate climates are also called?

Burning sensation in the chest usually associated with the black flush acidic chyme into esophagus is known as?

Organisms having foreign DNA incorporated into their cells are known as?

Testosterone is produced by?

How many number of muscles in human body

Classification of neurons as sensory motor and realy neurons is?

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

An activated enzyme consisting of polypeptide chain and a cofactor is known as?

Major constituent of birth control pill is?

Water enters into the water vascular system through a sieve like plate called?

Armored mammals live only in which country?

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

Vitamin “D” deficiency causes?

Genetic markers in DNA analysis are?

The crossing over of different varieties of plants or even species is called?

Hormone of adrenal cortex is?

Amygdala is part of?

Part of the brain acting as realy station between hindbrain and forebrain is?

The condition in which individual have small skull is called?

No of ATP produced by one reduced NAD is?

Which one reduces the reproductive capacities of microbial cells?

Most of the plasma proteins are synthesized in?

Biennial and perennial plants are stimulated to flower by exposure to low temperature. This is called?

Spores of Ustilago tritici are called?

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

The colour of bile is?

The basic unit of biological classification is?

Agro bacterium normally infect the?

Which of the following phylum is exclusively marine?

The weight of blood in our body is about _________ of our body weight.

Parasite causing African sleeping sickness is transmitted by the bite of infected?

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

Misuse of streptomycin can cause?

Sliding filament model was proposed in?

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

The center of most unconscious emotional behaviors, such as love hatred hunger, sexual responses and fear is?

In cockroach digestion of food is completed in?

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

The diaphragm present in the mammal helps in?

No of carbon atoms in glucopyranose ring?

Nuclic Acids were 1st isolated in?

Lysosomes are cytoplasmic organelle and are different from others due to their?

Hydra has?

A common genetic code is the evolutionary evidence from?

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

Incorrect statement about population is?

What is our principle source of energy?

Total number of salivary glands in man is?

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

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

Surgars are formed during?

Saliva is collected in (cockroach) inside?

Which of the following hormone is secreted after ovulation?

Which of the following is not the benefit of cyanobacteria?

Wings of bat, birds and insects are example of?

Which of the following has open circulatory system?

Nasal cavities lined with mucous membrane of?

Which of the following has maximum surface area to volume ratio?

Who modified five kingdom system of Robert Whittaker?

Five kingdom system of Robert Whittaker was modified in?

. In frog the gaseous exchange through the skin is known as?

Because of structural similarity with the substrate competitive inhibitors may be selected by the?

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

Proglottids are involved in?

Protein present in microbubules is?

Which of the following colours cause the highest rate of photosynthesis?

A protein attached with lecithin to form?

Competition among species will be greatest if they attempt to occupy the same?

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

Lamarck published his theory of evolution in?

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

All of the following are true about algae except?

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