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 word biology has been derived from two ________ words.

According to which hypothesis aerobic bacteria developed into mitochondria?

The substance which cannot across the cell membrane more easily are?

Sclerotization and impregation with calcium carbonate take place in?

Denitrifying bacteria are?

In most animals the epithelium which separates air and blood is only?

The approximate diameter of peroxisomes is?

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

Herpes simplex is caused by?

In honeybees, union of sperm and egg result into the development of diploid except?

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

The rate of blood flow is lowest in the?

Gene for blue opsin is present on autosome number?

The codons which code for the same amino acid are called?

Which of the following is not a stop codon?

Growth controlling factor at stem tip is?

Which of the following is anti viral / anti cancer protein?

Dandruff in hair is caused by?

Amygdala is part of?

Biological name of sundew is?

Tobacco plant belongs to which family?

Oils may contain upto?

Which of the following is true about mammals?

Which of the following can be used as bio filters?

Spherical shape virus is?

Which is true about alternation of generation in coelenterates?

Commonly used restriction enzyme is?

Intimate close relationship between members of two different species is termed as?

In small pox raised fluid filled vesicles are formed?

XXY individual produced through non disjunctional gametes in Drosophila is a fertile

Site for urea cycle in the body is?

Siprochete is?

Weight of kidneys accounts for?

Which of the following is not found in most of the plant cells?

Which of the following bone is included in “Appendicular skeleton”?

The space between lungs and pleural membrane termed as?

Armored mammals live only in which country?

At very high temperature globular structure essential for enzyme activity is lost and the enzyme is said to be?

All seed producing plant s are called?

Which is correct about co-factor?

Double fertilization in the characteristics feature of?

Which statement is true about EUGLENA?

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

Fibrous protein has?

Which of the following is not a viral disease?

Nasal cavities lined with mucous membrane of?

Approximate diameter of RBC is?

Organs structurally different but functionally alike are?

The organic compound needed to make artificial sugar is?

All vertebrate embryoes go through a stage in which they have gill pouches on the sides of layer?

Which of the following is biodegradable plastic?

Our brain cell contain?

Incorrect statement about population is?

The disease due to lack of hypoxanthine – guanine phosphoribosyltransferase is?

All are involved in synaptic transmission within the brain and spinal cord except?

The diaphragm present in the mammal helps in?

Protein which can be crystallized?

Cone cells have specific light absorbing proteins called?

Mammalian kidney including human is adapted to conserve water by?

Which of the following provides nourishment of the sperms?

Classification of algae is largely based on their?

The pelvic girdle is united firmly to the vertebral column at?

Which of the following statement is not true about protostomes?

Who modified five kingdom system of Robert Whittaker?

Which of the following is not related to Oomycota?

A series of hypothesis supported by the results of many tests is then called?

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

Outermost extra-embryonic membrane around foetus is?

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

In flowering plants, one form of parthenogenesis is called?

In cockroach partly digested food is stored in the?

Emmigration and Immigration of members of a population may cause disturbance?

Photosynthetic pigments are organized into clusters for efficient absorption & utilization of solar energy in thylakoids membranes are called?

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

Nitrogenous waste in bony fishes is?

The most efficient respiratory system is present in?

In cockroach digestion of food is completed in?

Colloidal osmotic pressure of the blood, maintained by fibrinogen is about?

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

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

The E. coli genome consist of ________base pairs.

Egg laying mammals are called?

The earliest form of muscles to evolve and found throughout animal kingdom?

Hydra has?

The sequence of events which take place during the completion of one heart – beat is termed as?

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

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

No of Fatty Acids in Phosphatidic Acid is?

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

In arthropods nitrogenous wastes are excreted in the form of?

Which of the following is correct and complete sequence?

Cube of 8 cocci is called?

The two centrioles usually placed ________ to each other.

Number of RBC’s formed and destroyed every second in a normal person is?

The algal partners in a lichen?

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

Movement of water and solutes is negligible along the?

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

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

The present goal of gerontology is to increase the?

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