Biology MCQ (Multiple Choice Questions) - SchoolingAxis

Biology MCQ (Multiple Choice Questions)

 Que- Triglyceride is also known as_____________? 

a. Natural lipid  

b. Neutral lipid  

c. Neutral wax  

d. All of these 

Answer- Neutral lipid

Que- Carbon commonly combines with______________? 

a. H  

b. N & O  

c. P & S  

d. All of these 

Answer- All of these

Que- The sequence of 3 bases on tRNA which is complementary to condon of mRNA is called____________? 

a. Gene  

b. Anticodon  

c. Code  

d. Codon 

Answer- Anticodon

Que- The survival of an animal depends upon its ability to take some from its environment____________? 

a. Chemicals  

b. Hydrocarbons  

c. Organic molecules  

d. Inorganic molecules 

Answer- Organic molecules

Que- In humans the number of tetrads formed during mitosis is___________? 

a. 23.0 

b. 46.0 

c. 0.0 

d. 4.0 

Answer- 0.0

Que- Non polar organic molecules are ___________ in water? 

a. Soluble  

b. Insoluble  

c. Partially soluble  

d. Depends upon condition 

Answer- Insoluble

Que- Interconversion of carbohydrates proteins and lipids in living cells are an example of____________? 

a. Coordinated catabolic activities  

b. Coordinated anabolic activities  

c. Both A and B  

d. Any one 

Answer- Both A and B

Que- Which one of the following is correct sequence of stages of prophase 1 of meiosis 

a. Diakinesis diplotene pachytene leptotene zygotene  

b. Zygotene leptotene pachytene diplotene diakinesis  

c. Leptotene zygotene pachytene diplotene diakinesis  

d. Pachytene leptotene diplotene zygotene diakinesis 

Answer- Leptotene zygotene pachytene diplotene diakinesis

Que- Which one of the following syndrome is the result of meiotic non dysjunction? 

a. Klinefelters syndrome  

b. Turners syndrome  

c. Downs syndrome  

d. All of these 

Answer- All of these

Que- Which one of the following stage preceeds mitosis during cell cycle? 

a. G1 phase  

b. S phase  

c. G2 phase  

d. M phase 

Answer- G2 phase

Que- Most of the cellular secretions are ________ in nature? 

a. Glycolipids  

b. Glycoproteins  

c. Nucleohistones  

d. Proteins 

Answer- Glycoproteins

Que- The red green color blindness is sex linked recessive condition in man. A father with normal vision and a color blind mother world expect to produce. 

a. Color blind sons and daughter with normal vision  

b. Sons with normal vision and color blind daughters  

c. Color blind sons colour blind daughters and daughters with normal vision  

d. Sons with normal vision colour blind daughter and daughters with normal vision 

Answer- Color blind sons and daughter with normal vision

Que- Genes will not be found in gene pairs in the_____________? 

a. Muscle cell of worm  

b. Uterine cells of dog  

c. Sperm cells of frog  

d. Guard cells of leaf 

Answer- Sperm cells of frog

Que- rRNA constitutes ____________% of the total cellular RNA? 

a. 3-4 %  

b. 10-20%  

c. 0.8 

d. 0.9 

Answer- 0.8

Que- A genome is___________? 

a. Appearance of an individual  

b. Genetic basis of few characters  

c. Full set of genes of an individual  

d. All of these 

Answer- Full set of genes of an individual

Que- Which conjegated molecules play important role in gene expression___________? 

a. Glycolipids  

b. Glycoproteins  

c. Nucleohistones  

d. None of these 

Answer- Nucleohistones

Que- There are mainly __________ types of tRNA? 

a. 170.0 

b. 20.0 

c. 25.0 

d. 15.0 

Answer- 20.0

Que- The discease in which transmembrane carrier for the chloride ion is not produced is__________? 

a. Hyperchloesterolemia  

b. Cystic fibrosis  

c. Severe combined immunodeficiency syndrome  

d. AIDS 

Answer- Cystic fibrosis

Que- The one which is a weed killer is___________? 

a. IAA  

b. NAA  

c. 2 4-D  

d. GA 

Answer- 2 4-D

Que- Five kingdom classification was proposed by_____________? 

a. Carlous Linnaeus  

b. E-Chatton  

c. Robert Whittaker  

d. Lynn Margulis and Karlene Schwartz 

Answer- Robert Whittaker

Que- Organisms of which of the following kingdom have absorptive mode of nutrition______________? 

a. Prokaryotae  

b. Protoctista  

c. Animalia  

d. Fungi 

Answer- Fungi

Que- Which of the Euglenas (a Protoctista) character resembles that of animals______________? 

a. They can move  

b. They lack cell wall  

c. They do not have chlorophyll  

d. Both a and b 

Answer- Both a and b

Que- The one which can break open a plasmid ring is__________? 

a. Ligase enzyme  

b. Primase enzyme  

c. Restriction endonuclease  

d. ATP-ase enzyme 

Answer- Ligase enzyme

Que- According to Lamarch evolution occurred as the result of__________? 

a. Natural selection  

b. The theory of recapitulation  

c. Inheritance of acquired characters  

d. Over production 

Answer- Inheritance of acquired characters

Que- Allium cepa is the scientific name of______________? 

a. Onion  

b. Amaltas  

c. Potato  

d. Tomato 

Answer- Onion

Que- Which of the following category is most general with its members lest resembling with each other than the other categries_____________? 

a. Species  

b. Genus  

c. Family  

d. Order 

Answer- Order

Que- The first eukarotes appeared about __________ years ago? 

a. 1.5 billion  

b. 2.5 billion  

c. 3.5 billion  

d. 4.5 billion 

Answer- 1.5 billion

Que- Those organisms which can prepare their own food from simple inorganic material and can store energy are called___________? 

a. Autotrophs  

b. Heterotrophs  

c. Procariotique  

d. Eu-cariotique 

Answer- Autotrophs

Que- Solanum tuberosum is a scientific name of___________? 

a. Onion  

b. Amaltas  

c. Potato  

d. Tomato 

Answer- Potato

Que- The structure which has been formed or modified from gill pouches in humans is___________? 

a. Gills  

b. Eustachian tube  

c. Middle ear  

d. Lungs 

Answer- Eustachian tube

Que- Scurvy and beri – beri and caused by the deficiency of___________? 

a. Vitamin B and C  

b. Vitamin B and D  

c. Vitamin C and B   

d. Vitamin A and B 

Answer- Vitamin C and B 

Que- The word which E-Chatton suggested for bacteria and blue green algae was_____________? 

a. Autotrophs  

b. Heterotrophs  

c. Pro-cariotique  

d. Eu-cariotique 

Answer- Pro-cariotique

Que- The greatest diversity of animals in the lake is found in which one of the following zones? 

a. Limmnetic zone  

b. Littoral zone  

c. Profundal zone  

d. None of these 

Answer- Littoral zone

Que- So far over _____________ number of species of animals are known? 

a. million  

b. 1 million  

c. 1.0 

d. 2 million 

Answer- 1.0

Que- What is the characteristic feature of consumers? 

a. Autotroph  

b. Heterotroph  

c. Parasite  

d. Saprophyte 

Answer- Heterotroph

Que- Which of the following organisms have Chitin as a major structural component of their cell wall________________? 

a. Prokaryotae  

b. Protoctista  

c. Plantae  

d. Fungi 

Answer- Fungi

Que- All of the following are involved in nitrification except 

a. Nitrobacter  

b. Nitrosomonas  

c. Rhizohium  

d. All of these 

Answer- Rhizohium

Que- DNA or RNA of viruses is enclosed in _______________ coat? 

a. Protein  

b. Carbohydrate  

c. Lipid  

d. DNA 

Answer- Protein

Que- In most ecosystems the greatest amount of energy flows through the____________? 

a. Secondary consumers  

b. Herbivores  

c. Carnivores  

d. Decomposers 

Answer- Herbivores

Que- Which of the following relationship is NOT an example of symbiosis? 

a. Rhizobium and leguminous plants  

b. Marchantia sporophyte and gametophyte  

c. Algae and fungi in a lichen  

d. Mycorrhizal fungi and tree roots 

Answer- Marchantia sporophyte and gametophyte

Que- Other name for Kingdom monera is_______________? 

a. Protoctista  

b. Prokaryotae  

c. Archae  

d. None of these 

Answer- Prokaryotae

Que- Animals with greatest number of similarities are grouped together in a/an___________? 

a. Phylum  

b. Family  

c. Genus  

d. Order 

Answer- Genus

Que- Amoeba belongs to which kingdom______________? 

a. Prokaryotae  

b. Plantae  

c. Monera  

d. Protista 

Answer- Protista

Que- Competition between species will be greatest if they attempt to occupy the same___________? 

a. Ecosystem  

b. Community  

c. Habitat  

d. Niche 

Answer- Niche

Que- The word virus is derived from Latin word venome meaning____________? 

a. Sweet fluid  

b. Sore Fluid  

c. Poisonous Fluid  

d. Salty Fluid 

Answer- Poisonous Fluid

Que- The one which is present in all aerobic species is _________? 

a. Cytohrome c  

b. Cytochrome a  

c. Cytochrome a3  

d. Cytochrome b 

Answer- Cytohrome c

Que- The size of smallest virus is______________? 

a. 10 nm  

b. 20 nm  

c. 30 nm  

d. 40 nm 

Answer- 20 nm

Que- What percentage of light reaching the earth is used in photosynthesis? 

a. 0.25 

b. 0.1 

c. 0.05 

d. 0.01 

Answer- 0.01

Que- Viruses are __________ smaller than bacteria? 

a. 10 – 100 times  

b. 10 – 1000 times  

c. 100 – 1000 times  

d. 1000 – 10000 times 

Answer- 10 – 1000 times

Que- Kangaroo rat most probably would be found in___________? 

a. Tropical rain forest  

b. Tundra  

c. Grass land  

d. Desert 

Answer- Desert

Que- Vaccine Was discovered by______________? 

a. Louis Pasteur  

b. Edward Jennar  

c. Ivanowski  

d. Stanely 

Answer- Edward Jennar

Que- The name Bacteriophage was coined by____________? 

a. Charles Chamberland  

b. Ivanowski  

c. Twort  

d. D Herelle 

Answer- D Herelle

Que- Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is__________? 

a. 100.0 

b. 152.0 

c. 162.0 

d. 172.0 

Answer- 162.0

Que- Which of the statement about viruses is incorrect___________________? 

a. We can not grow them in laboratories on artificial medias  

b. They are obligate intracellular parasite.  

c. They can synthesize their nucleic acid  

d. They are resistant to most of antibiotic treatment 

Answer- They can synthesize their nucleic acid

Que- A virion is______________? 

a. Virus  

b. Viral protein  

c. Viral lysozyme  

d. Viral gene 

Answer- Virus

Que- For which of the following no preventive vaccine is available? 

a. HAV  

b. HBV  

c. HCV  

d. HEV 

Answer- HCV

Que- Which one of the following specially result in chronic liver disease leading to hepatic failure: 

a. HAV  

b. HBV  

c. HCV  

d. HEV 

Answer- HCV

Que- Protein coat the capsid of adenovirus is________________? 

a. Surrounded by genome  

b. Surrounding genome  

c. Surrounding the envelope  

d. Both B and C 

Answer- Surrounding genome

Que- Mode of transmission of hepatitis A is__________? 

a. Serum  

b. Faeco-oral  

c. Sexual contact  

d. All of these 

Answer- Faeco-oral

Que- Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________? 

a. Strong covalent bond between virion and the receptor site.  

b. Week chemical unior between them  

c. Both A and B depending upon the phage  

d. None of these 

Answer- Week chemical unior between them

Que- Which of the following statement about AIDS is incorrect: 

a. is a host specific disease  

b. An infected mother cannot pass the virus to her baby.  

c. Results in enlargement of lymph nodes  

d. Can be prevented. 

Answer- An infected mother cannot pass the virus to her baby.

Que- Bacteriopahage that infect E. coli are called_____________? 

a. M type  

b. N type  

c. T type  

d. S type 

Answer- T type

Que- Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of: 

a. Polio  

b. Hepatitis  

c. AIDS  

d. HIV 

Answer- AIDS

Que- An isolated virus is not considered living since it________________? 

a. Separates in to two inner parts  

b. Can not metabolize  

c. Rapidly looses its Genome chemical inert  

d. Is coated with an air tight shield 

Answer- Can not metabolize

Que- Which of the following is the smallest known virus: 

a. Hepatitis virus  

b. Retrovirus  

c. Polio virus  

d. Pox virus 

Answer- Polio virus

Que- The agent of controversial nature causing mad cow infection is_____________? 

a. Bacteria  

b. Cowpox Virus  

c. Adenovirus  

d. Prion 

Answer- Prion

Que- Which of the following virus has special affiliations with the tumor production: 

a. Hepatitis virus  

b. Retrovirus  

c. Polio virus  

d. Pox virus 

Answer- Retrovirus

Que- Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage_____________? 

a. Phage when gets incorporated with the bacterial chromosome is called prophage  

b. The bacterium continues to live and reproduce normally  

c. Lysogenic bacteria may get infected by the related phage  

d. The cycle may convert into lytic type resulting from environmental exposure 

Answer- Lysogenic bacteria may get infected by the related phage

Que- An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________? 

a. DNAase  

b. RNAase  

c. DNA polymerase  

d. Reverse Transcriptase 

Answer- Reverse Transcriptase

Que- In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________? 

a. Lysis  

b. Lysogeny  

c. Induction  

d. Adsorption 

Answer- Induction

Que- In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall_____________? 

a. Absorption  

b. Multiplication  

c. Lysogeny  

d. Penetration 

Answer- Penetration

Que- Tobacco mosaic virus is__________? 

a. Spherical  

b. Rod Shaped  

c. Tadpole like  

d. Hexagonal 

Answer- Rod Shaped

Que- In the Lysogenic cycle the DNA of the bacteriophage__________________? 

a. Joins the bacterial chromosomes  

b. Attaches to the inner surface of the host membrane  

c. Is immediately degraded when enters the host  

d. Goes directly to host ribosomes for translation 

Answer- Joins the bacterial chromosomes

Que- Temperate phage may exist as_____________? 

a. Prophage  

b. Capsid  

c. Viron  

d. Retrovirus 

Answer- Prophage

Que- Which of the following is an RNA virus: 

a. Influenza virus  

b. Herpes virus  

c. HBV  

d. Pox virus 

Answer- Influenza virus

Que- In the lytic cycle of bacteriophage the host DNA is__________? 

a. Replicated  

b. Turn off by the protein coat.  

c. Digested into its nucleotides  

d. Turned on by the removal of the protein coat 

Answer- Digested into its nucleotides

Que- Pepsinogen is produced from__________? 

a. Mucous cells  

b. Parietal cells  

c. Zymogen cells  

d. All of these 

Answer- Zymogen cells

Que- Carbohydrates, fats & proteins are essential for_______________? 

a. Metabolic processes of an organism  

b. Providing energy  

c. Formation of sturctures  

d. All of these 

Answer- All of these

Que- Dipeptides into amino acids are are converted through_____________? 

a. Amino peptidase  

b. Erypsin  

c. Pepsin  

d. Trypsin 

Answer- Erypsin

Que- Magnesium is present in which of the following__________________? 

a. Cytochromes  

b. ATP  

c. Chlorophyll  

d. Haemoglobin 

Answer- Chlorophyll

Que- Deficiency of which of the following causes chlorosis__________________? 

a. Nitrogen  

b. Magnesium  

c. Iron  

d. Both A and B 

Answer- Both A and B

Que- Mastication is carried out by__________? 

a. Teeth  

b. Tongue  

c. Smooth muscles  

d. All of these 

Answer- Teeth

Que- Deficiency of K+ causes_____________? 

a. Stunted growth & strong chlorosis  

b. No electron transport chains  

c. Premature death of leaves  

d. Stunted growth of roots 

Answer- Premature death of leaves

Que- Masses of dilated tortuous veins in the anorectal mucosa are known as___________? 

a. Bulimia  

b. Ulcer  

c. Adipose tissue  

d. Hemorrhoids 

Answer- Hemorrhoids

Que- Puccinia is a parasitic___________? 

a. Plant  

b. Fungus  

c. Animal  

d. Algae 

Answer- Fungus

Que- An illness which largely affects girls usually just after the onset of puberty. 

a. Bulimia nervosa  

b. Obesity  

c. Anorexia nervosa  

d. None of these 

Answer- Anorexia nervosa

Que- Autotrophic organisms can exist in an exclusively ________________ environment? 

a. Organic  

b. Inorganic  

c. Wet  

d. Terrestrial 

Answer- Inorganic

Que- Loss of appetite due to the fear of becoming obese is____________? 

a. Anorexia nervosa  

b. Bulimia nervosa  

c. Piles  

d. Dyspepsia 

Answer- Anorexia nervosa

Que- Strong chlorosis is due to the deficiency of _____________ in plants? 

a. Magnesium  

b. Nitrogen  

c. Potassium  

d. Phosphorus 

Answer- Nitrogen

Que- Stunted growth of roots is due to the deficiency of____________in plants? 

a. Potassium  

b. Magnesium  

c. Phosphorus  

d. Iron. 

Answer- Phosphorus

Que- The liquid that escapes during defrosting frozen meat contains _____ bacteria? 

a. Campylobacter  

b. Nitrobacter  

c. Azobacter  

d. Salmonella 

Answer- Salmonella

Que- One of the commonest cause of food poisoning are the toxins produced by__________? 

a. Azobacter  

b. Nitrosomonas  

c. Campylobacter  

d. Nitrobacter 

Answer- Campylobacter

Que- Puccinia commonly destroys______________? 

a. Corn  

b. Tomato  

c. Dodder  

d. Wheat 

Answer- Wheat

Que- Nodules on roots of leguminous plants have __________ bacteria? 

a. Anaerobic  

b. Nitrogen fixing  

c. Nitrifying  

d. Ammonifying 

Answer- Nitrogen fixing

Que- Earthworm is an example of ______________feeder? 

a. Detritus  

b. Fluid  

c. Macrophageus  

d. Filter 

Answer- Detritus

Que- All of the insectivorous plants are true________________? 

a. Heterotrophs  

b. Autotrophes  

c. Carnivores  

d. Saprotrophs 

Answer- Autotrophes

Que- Of the following, which one has more variety of nutrition________________? 

a. Animals  

b. Bacteria  

c. Plants  

d. Fungi 

Answer- Animals

Que- Incomplete or imperfect digestion is known as________? 

a. Obesity  

b. Dyspepsia  

c. Anorexia nervous  

d. Bulimia nervosa 

Answer- Dyspepsia

Que- The leaf is bilobed with midrib between them. The plant is____________? 

a. Saraccnia  

b. Dionaea  

c. Pitcher plant  

d. None of these 

Answer- Dionaea

Que- Anus is surrounded by _____ types of muscles? 

a. 2.0 

b. 3.0 

c. 1.0 

d. 4.0 

Answer- 2.0

Previous Post Next Post