Viral genes are made of
a. RNA only
b. DNA only
c. Either DNA or RNA
d. Either protein or nucleic acid
2. A virion is a
a. Virus
b. Viral ribosome
c. Viral lysosomes
d. Viral gene
3. An isolated virus is not considered living since it
a. Separates into tw inerts part
b. Cannot metabolize
c. Rapidly loses its genome
d. Is coated with air-tight , chemically inert sheild
4. Most RNA viruses carry a gene for an enzyme that uses viral RNA as template in the synthesis of more viral RNA this enzyme is
a. Reverse transcriptase
b. RNA polymerase
c. Viral nuclease
d. RNA replicase
5. The enzymes involved in viral replication are synthesized
a. On the viral ribosome
b. By the host cell
c. On the interior surface of the viral membrane
d. On the interior surface of the viral coat
6. Much of the research on gene expression has been done with E.coli, which inhibits the human intestine.This organism is a
a. Plasmid
b. Virus
c. Bacterium
d. Protozoan
7. In general bacterial genes are regulated at the time of
a. Transcription
b. Post-transcription
c. Translation
d. Cojugation
8. When DNA is exchanged via eytoplasmic bridges between two bacteria the process is called
a. Transduction
b. Conjugation
c. Transformation
d. Recombination
9. When a bacteriophage in its lytic phase carries some of the bacterium's partially digested chromosome with it to another host cell the process is called
a. Conjugation
b. Transformation
c. Transduction
d. Restricted transduction
a. RNA only
b. DNA only
c. Either DNA or RNA
d. Either protein or nucleic acid
2. A virion is a
a. Virus
b. Viral ribosome
c. Viral lysosomes
d. Viral gene
3. An isolated virus is not considered living since it
a. Separates into tw inerts part
b. Cannot metabolize
c. Rapidly loses its genome
d. Is coated with air-tight , chemically inert sheild
4. Most RNA viruses carry a gene for an enzyme that uses viral RNA as template in the synthesis of more viral RNA this enzyme is
a. Reverse transcriptase
b. RNA polymerase
c. Viral nuclease
d. RNA replicase
5. The enzymes involved in viral replication are synthesized
a. On the viral ribosome
b. By the host cell
c. On the interior surface of the viral membrane
d. On the interior surface of the viral coat
6. Much of the research on gene expression has been done with E.coli, which inhibits the human intestine.This organism is a
a. Plasmid
b. Virus
c. Bacterium
d. Protozoan
7. In general bacterial genes are regulated at the time of
a. Transcription
b. Post-transcription
c. Translation
d. Cojugation
8. When DNA is exchanged via eytoplasmic bridges between two bacteria the process is called
a. Transduction
b. Conjugation
c. Transformation
d. Recombination
9. When a bacteriophage in its lytic phase carries some of the bacterium's partially digested chromosome with it to another host cell the process is called
a. Conjugation
b. Transformation
c. Transduction
d. Restricted transduction
1.
The matrix of the bone is composed of;
a. Calcium phosphate
b. Collagen
c. Chitin
d. Calcium carbonate
2. Hydrostatic skeleton is pressent in;
a. E.Worm & Jelly fish
b. Cockroach
c. Cray fish
d. Millipedes
3. The most rigid connective tissues are the;
a. Tendons
b. Ligaments
c. Cartilage
d. Bones
4. All of the following are related to cranial bones, except that of;
a. Parietal
b. Occipital
c. Vomer
d. Frontal
5. The structure formed by the fusion of anterior five pelvic vertebrae is the;
a. Axis
b. Sacrum
c. Atlas
d. Coccyx
6. Which one of the following posses single occipital condyle?
a. Fishes & Reptiles
b. Birds & Mammals
c. Birds & Amphibians
d. Reptiles & Birds
7. The antagonistic arrangement of skeletal muscles means the movement of muscles;
a. In the same direction
b. Against each other
c. with out friction
d. With out contraction & relaxation
8. Which one deos not take place during repair of bone?
a. Chondrocytes formation
b. Hematoma formation
c. Callus formation
d. Bony callus
9. which one is not correct about the sliding filament model of muscle contraction?
a. Length of A band is reduced
b. Thick and thin filaments slide over each other
c. Z - lines come lose together
d. The I - band shortens
a. Calcium phosphate
b. Collagen
c. Chitin
d. Calcium carbonate
2. Hydrostatic skeleton is pressent in;
a. E.Worm & Jelly fish
b. Cockroach
c. Cray fish
d. Millipedes
3. The most rigid connective tissues are the;
a. Tendons
b. Ligaments
c. Cartilage
d. Bones
4. All of the following are related to cranial bones, except that of;
a. Parietal
b. Occipital
c. Vomer
d. Frontal
5. The structure formed by the fusion of anterior five pelvic vertebrae is the;
a. Axis
b. Sacrum
c. Atlas
d. Coccyx
6. Which one of the following posses single occipital condyle?
a. Fishes & Reptiles
b. Birds & Mammals
c. Birds & Amphibians
d. Reptiles & Birds
7. The antagonistic arrangement of skeletal muscles means the movement of muscles;
a. In the same direction
b. Against each other
c. with out friction
d. With out contraction & relaxation
8. Which one deos not take place during repair of bone?
a. Chondrocytes formation
b. Hematoma formation
c. Callus formation
d. Bony callus
9. which one is not correct about the sliding filament model of muscle contraction?
a. Length of A band is reduced
b. Thick and thin filaments slide over each other
c. Z - lines come lose together
d. The I - band shortens
1.
The mechanism by which organisms maintain the
stability of their cellular environment is known as;
a. Homeostasis
b. Normal health
c. Structural adaption
d. Osmoregulation
2. When the concentration of external medium is equal to the concentration of internal medium of cell is called;
a. Hypertonic
b. Hypotonic
c. Isotonic
d. Heterotonic
3. Brassica and rose plant belong to group of plants;
a. Hydrophytes
b. Mesophytes
c. Xerophytes
d. Succulents
4. Animals which are unable to adjust their internal salt concentration according to external environment is;
a. Anhydrobiosis
b. Osmoregulators
c. Thermoregulatory
d. Osmoconformers
5. Which one of the following animal can survive without drinking water?
a. Kangaroo rat
b. Pig
c. Kangaroo
d. Camel
6. Nitrogeneous wastes are produced as a result of;
a. Photosynthesis
b. Ingestion
c. Assimilation
d. Deamination
7. Fresh water protozoans pumped out excess water by a special structure called;
a. Oral groove
b. Contractile vacuole
c. Pellicle
d. Vacuole
8. The term glycogenesis means, the conversion of;
a. glucose to Glycogen
b. Lactic acid to Glycogen
c. Glycogen to Glucose
d. Amino acid to Glycogen
9. Which one of the following nitrogenous compound is much more soluble in water?
a. Uric acid
b. Urea
c. Ammonia
d. Creatine
a. Homeostasis
b. Normal health
c. Structural adaption
d. Osmoregulation
2. When the concentration of external medium is equal to the concentration of internal medium of cell is called;
a. Hypertonic
b. Hypotonic
c. Isotonic
d. Heterotonic
3. Brassica and rose plant belong to group of plants;
a. Hydrophytes
b. Mesophytes
c. Xerophytes
d. Succulents
4. Animals which are unable to adjust their internal salt concentration according to external environment is;
a. Anhydrobiosis
b. Osmoregulators
c. Thermoregulatory
d. Osmoconformers
5. Which one of the following animal can survive without drinking water?
a. Kangaroo rat
b. Pig
c. Kangaroo
d. Camel
6. Nitrogeneous wastes are produced as a result of;
a. Photosynthesis
b. Ingestion
c. Assimilation
d. Deamination
7. Fresh water protozoans pumped out excess water by a special structure called;
a. Oral groove
b. Contractile vacuole
c. Pellicle
d. Vacuole
8. The term glycogenesis means, the conversion of;
a. glucose to Glycogen
b. Lactic acid to Glycogen
c. Glycogen to Glucose
d. Amino acid to Glycogen
9. Which one of the following nitrogenous compound is much more soluble in water?
a. Uric acid
b. Urea
c. Ammonia
d. Creatine
1.
which of the following plants is rich in
atropine drug
a. datura
b. red pepper
c. petunia
d. nicotiana tobacum
2. how many carbon atoms are there in a molecule of Ribulose biphospahte?
a. three
b. four
c. five
d. six
3. which one of the following is an ornamental plant?
a. physalis
b. melangena
c. atropa
d. petunia
4. plant donot store carbohydrates as glucose because it is
a. attracts insect herbivores
b. dissolves in water thereby altering the osmotic balance
c. is an unstable molecule
d. would replace ribose in DNA replication
5. which of the following organisms are involed in the spreading of cholera and hepatitis?
a. house fly
b. mosquito
c. tse tse
d. locust
6. which one is not true for grade radiate?
a. radially symmetry
b. diploblastic
c. coelomate
d. body with single opening
7. which one of the following round worm is cosmopolitan?
a. hook worm
b. pin worm
c. thread worm
d. fillaria
8. taenia is an endoparasite of human cattle and pig that completes its life cycle in two hosts the intermediate host is the
a. snail
b.sheep & man
c. sheep
d. pig & cattle
9. which one of the following groups of animals are acoclomste?
a. nematode
b. flat worms
c. cnidarians
d. aschelminthes
a. datura
b. red pepper
c. petunia
d. nicotiana tobacum
2. how many carbon atoms are there in a molecule of Ribulose biphospahte?
a. three
b. four
c. five
d. six
3. which one of the following is an ornamental plant?
a. physalis
b. melangena
c. atropa
d. petunia
4. plant donot store carbohydrates as glucose because it is
a. attracts insect herbivores
b. dissolves in water thereby altering the osmotic balance
c. is an unstable molecule
d. would replace ribose in DNA replication
5. which of the following organisms are involed in the spreading of cholera and hepatitis?
a. house fly
b. mosquito
c. tse tse
d. locust
6. which one is not true for grade radiate?
a. radially symmetry
b. diploblastic
c. coelomate
d. body with single opening
7. which one of the following round worm is cosmopolitan?
a. hook worm
b. pin worm
c. thread worm
d. fillaria
8. taenia is an endoparasite of human cattle and pig that completes its life cycle in two hosts the intermediate host is the
a. snail
b.sheep & man
c. sheep
d. pig & cattle
9. which one of the following groups of animals are acoclomste?
a. nematode
b. flat worms
c. cnidarians
d. aschelminthes
2. Capsium anum is the scientific name of
a. datura
b. tobacco
c.red pepper
d. black pepper
3. which one of the following is the favourite home garden vegetable that was once believed to be poisoned
a. physalis
b. lipersicum esculentum
c. soalanum meelangena
d, atropa belladona
4. photosynthetic autotrophs get their energy from
a. heat
b. inorganic molecules
c. organic molecules
d. light
5. in 1930 van neil hypothesised that oxygen atoms in the oxygen gas released by plants come from
a.carbon dioxide
b. water
c. glucose
d. chlorophyll
6. in plant cell .the dark reactions of photosyntheses takes place in
a. stroma
b. thylakoids
c.granum
d. lamellae
7. which of the following colurs of light work best for photosynthesis
a. green&blue
b. red%green
c. blue&red
d. violet&oraange
8. a description of wavelength absorbed by a pigment is called its
a. action apectrum
b. anteena cells
c. reaction center
d. absorption spectrum
9. production of NADPH in a chloroplast takes place during
a. dark reaction
b. non-cyclic photophosphyrlation
c. cyclic photophosphyrlation
d. chemiosis
a. datura
b. tobacco
c.red pepper
d. black pepper
3. which one of the following is the favourite home garden vegetable that was once believed to be poisoned
a. physalis
b. lipersicum esculentum
c. soalanum meelangena
d, atropa belladona
4. photosynthetic autotrophs get their energy from
a. heat
b. inorganic molecules
c. organic molecules
d. light
5. in 1930 van neil hypothesised that oxygen atoms in the oxygen gas released by plants come from
a.carbon dioxide
b. water
c. glucose
d. chlorophyll
6. in plant cell .the dark reactions of photosyntheses takes place in
a. stroma
b. thylakoids
c.granum
d. lamellae
7. which of the following colurs of light work best for photosynthesis
a. green&blue
b. red%green
c. blue&red
d. violet&oraange
8. a description of wavelength absorbed by a pigment is called its
a. action apectrum
b. anteena cells
c. reaction center
d. absorption spectrum
9. production of NADPH in a chloroplast takes place during
a. dark reaction
b. non-cyclic photophosphyrlation
c. cyclic photophosphyrlation
d. chemiosis
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