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