Que- What is the branch of biology in which structure and function of tissues are studied___________?
a. Cell Biology
b. Taxonomy
c. Histology
d. Morphology
Answer- Histology
Que- Biometry is the application of_______ in biology.
a. Algebra
b. Statistics
c. Matrix
d. Geometry
Answer- Statistics
Que- Study of insects is called_________?
a. Immunology
b. Parasitology
c. Entomology
d. Paleontology
Answer- Entomology
Que- The term biology was introduced in__________ in 1800?
a. Germany
b. Turkey
c. Italy
d. Japan
Answer- Germany
Que- Which of the following is the basic unit of classification___________?
a. Species
b. Genus
c. Family
d. Order
Answer- Species
Que- Euglena belongs to the kingdom___________?
a. Fungi
b. Monera
c. Protista
d. Non of them
Answer- Protista
Que- Viruses are considered living organisms because__________?
a. They can be crystallized
b. They occur in plants and animals
c. They are microscopic
d. They contain DNA and can be reproduced
Answer- They contain DNA and can be reproduced
Que- All of the following are elements that plants need in very small amounts except___________?
a. Iron
b. Hydrogen
c. Chlorine
d. Copper
Answer- Hydrogen
Que- Capillaries are the example of_________?
a. Organ System
b. Cell
c. Organ
d. Tissue
Answer- Organ System
Que- Who discovered the living cell first time?
a. Robert brown
b. Robert hooke
c. Rudolf virchow
d. Antoni van leeuwenhoek
Answer- Robert hooke
Que- Amoeba can move with the help of?
a. Flagella
b. Pseudopodia
c. Water
d. Cilia
Answer- Pseudopodia
Que- Who is Called the Father of Demography?
a. ALAN Turing
b. John Dalton
c. Charles Babbage
d. IBN KHALDUN
Answer- IBN KHALDUN
Que- The one which is present in all living things
a. Cell nucleus
b. DNA or RNA
c. Cell membrane
d. Vacuole
Answer- DNA or RNA
Que- The study of nature is called__________?
a. Science
b. Atom
c. Molecule
d. Element
Answer- Science
Que- Animals that eat plants are called___________________?
a. Herbivores
b. Consumer
c. Carnivores
d. Omnivores
Answer- Herbivores
Que- _____________________ contains the green chemical called chlorophyll.
a. Cytoplasm
b. Cell membrane
c. Chloroplasts
d. Vacuole
Answer- Chloroplasts
Que- _____________ is a scientific word for human beings?
a. Animals
b. Homo sepions
c. Omnivore
d. Consumer
Answer- Homo sepions
Que- Lactometer is used for__________?
a. Ship
b. Milk
c. Honey
d. None
Answer- Milk
Que- enzyme is_____________?
a. bio catalyst
b. hormone
c. Gland
d. None of these
Answer- bio catalyst
Que- Exact replica of chromosome refers to ___________?
a. Chromatid
b. Centromere
c. Kinetochore
d. Arms
Answer- Chromatid
Que- Density gradient centrifugation separates the materials on the basis of__________?
a. Size alone
b. Density alone
c. Both a & b
d. Velocity of movement
Answer- Both a & b
Que- Ribosomes are tiny Granules first studied in 1955 by__________?
a. De-Duve
b. Schwann
c. August Weismann
d. Palade
Answer- Palade
Que- Virus consist of Parts:__________?
a. 1.0
b. 2.0
c. 3.0
d. 4.0
Answer- 2.0
Que- I can break down fatty acid to succinate__________?
a. Peroxisome
b. Glyoxisome
c. Lysosome
d. Golgi bodies
Answer- Glyoxisome
Que- Mitosis is divided into_____________?
a. Karyokinesis
b. Cytokinesis
c. Interphase
d. Both a & b
Answer- Both a & b
Que- Ribosomes and DNA are also present in_________?
a. mitochondria
b. golgi complex
c. endoplasmic reticulum
d. lysosomes
Answer- mitochondria
Que- Taking in liquid material into the cells is known as_________?
a. Phagocytosis
b. Pinocytosis
c. Exocytosis
d. Both a and b
Answer- Pinocytosis
Que- Under a compound microscope chromosome is made of arms and___________?
a. Centromere
b. Centrosome
c. Chromatid
d. Centromere
Answer- Centromere
Que- The main types of plastids are___________?
a. Chloroplasts
b. Chromoplasts
c. Leucoplasts
d. All of these
Answer- All of these
Que- Fibers of the extracellular matrix is the characteristics of_______________?
a. Plant cell wall
b. Bacterial cell wall
c. Cell membrane of bacteria
d. Fluid mosaic model of cell membrane
Answer- Fluid mosaic model of cell membrane
Que- Ribosomes were discovered by_______?
a. Golgi
b. De Duve
c. Palade
d. R.Brown
Answer- Palade
Que- Which character differentiates living things from non-living organisms___________?
a. They live in the same ecosystem.
b. They are acted upon by the same environment
c. They are highly organized and complex made of one or more cells and contain genetic material
d. Both a and b
Answer- They are highly organized and complex made of one or more cells and contain genetic material
Que- The study of fossils is called__________?
a. Environmental Biology
b. Historical biology
c. Palaeontology
d. Social biology
Answer- Palaeontology
Que- A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?
a. Substrate
b. Co-factor
c. Inhibitor
d. Promotor
Answer- Inhibitor
Que- The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?
a. Molecular biologists
b. Microbiologists
c. Freshwater biologists
d. Social biologist
Answer- Molecular biologists
Que- Percentage of water in brain cells is_______?
a. 0.2
b. 0.65
c. 0.85
d. 0.89
Answer- 0.85
Que- The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?
a. An organ
b. A molecule
c. Tissue
d. Both a and c
Answer- A molecule
Que- Different species of plants and animals living in the same habitat is called ___________?
a. Population
b. Community
c. Biome
d. Habitat
Answer- Community
Que- In animals coordination is achieved by means of_________?
a. Respiratory system
b. Nervous system
c. Endocrine system
d. Both b and c
Answer- Both b and c
Que- ___________ is the potential surce of chemical energy for cellular activities?
a. C-H bond
b. C-O bond
c. C-N bond
d. P-O-C bond
Answer- C-H bond
Que- The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called________?
a. Environmental biology
b. Social biology
c. Human biology
d. Both b and c
Answer- Social biology
Que- The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by________?
a. Environmental biologist
b. Paleontologist
c. Marine biologist
d. Social biologist
Answer- Paleontologist
Que- Group of living organisms of the same species living in the same place at the same time is called________?
a. Community
b. Population
c. Ecosystem
d. Biome
Answer- Population
Que- Control of organisms by using living organisms is called_______?
a. Bioremediation
b. Integrated disease management
c. Antisepsis
d. Biological control
Answer- Biological control
Que- Which one is a micromolecule__________?
a. Polysaccharide
b. Protein
c. Hemoglobin
d. ATP
Answer- ATP
Que- Unbroken series of organisms arranged from ancestor to descendant sequence is____________?
a. Biodiversity
b. Phyletic lineage
c. Connecting link
d. Evolutionary line
Answer- Phyletic lineage
Que- Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?
a. 6.0
b. 16.0
c. 26.0
d. 15.0
Answer- 16.0
Que- A large regional community primarily determined by climate is called__________?
a. Population
b. Community
c. Biome
d. Habitat
Answer- Biome
Que- Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?
a. Molecular biology
b. Physiology
c. Biochemistry
d. Atomic biology
Answer- Biochemistry
Que- A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?
a. An organ
b. An organism
c. A Tissue
d. A Cell
Answer- A Tissue
Que- Oxygen accounts for __________ percent of totals human body mass?
a. 0.65
b. 0.18
c. 0.1
d. 0.03
Answer- 0.65
Que- Out of total organisms on earth, _____________are vascular plants?
a. 0.531
b. 0.199
c. 0.176
d. 0.094
Answer- 0.176
Que- Breakdown of large molecules into smaller ones utilizing water molecules is_________?
a. Hydration
b. Hydrolysis
c. Dehydration synthesis
d. Electrolysis
Answer- Hydrolysis
Que- Intake of liquid material by cell membrane is called___________?
a. Endocytosis
b. Exocytosis
c. Phagocytosis
d. Pinocytosis
Answer- Pinocytosis
Que- Which one is not correct for a productive theory________?
a. It is predictive
b. It has explanatory power
c. It discourages suggestion of different hypotheses
d. None of these
Answer- It discourages suggestion of different hypotheses
Que- ___________ is concerned with cell secretions?
a. Endoplasmic reticulum
b. Golgi complex
c. Lysosomes
d. Cell membrane
Answer- Golgi complex
Que- Sythetic insulin from pork was formed by which technique__________?
a. Parasitology
b. Social biological techniques
c. Biotechnology
d. Both a and c
Answer- Biotechnology
Que- Cytoskeleton involved in assembly and disassembly of the spindle during mitosis is of_________?
a. Microtubules
b. Microfilaments
c. Intermediate filaments
d. None of these
Answer- Microtubules
Que- ___________ is used to relieve one kind of headache, migraine?
a. Pencillin
b. Lovastatin
c. Cyclosporine
d. Ergotin
Answer- Ergotin
Que- Bacteria which grow either in the presence or absence of oxygen___________?
a. Aerobic bacteria
b. Anaerobic bacteria
c. Facultative bacteria
d. Microaerophilic
Answer- Facultative bacteria
Que- It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect:
a. Older sediment layers have equal amount of these reaioactive isotopes as that of the young ones
b. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
c. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
d. Older sediment layers did not have these radioactive isotopes
Answer- Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
Que- Reverse transcriptase is present in____________?
a. All RNA viruses
b. All DNA viruses
c. All retroviruses
d. All viruses
Answer- All retroviruses
Que- Destruction of all life forms is called___________?
a. Sterilization
b. Disinfection
c. Antisepsis
d. Preservation
Answer- Sterilization
Que- Pox viruses are_________?
a. RNA non-enveloped
b. RNA enveloped
c. DNA non-enveloped
d. DNA enveloped
Answer- DNA enveloped
Que- Pollen grains in pinus have __________ for dispersal through wind?
a. Flagella
b. Cilia
c. Wings
d. Feathers
Answer- Wings
Que- The single healthy megaspore retained within the megasporangium germinates to form an egg containing female gaemtophyte called______________?
a. Ovule
b. Seed
c. Fruit
d. Embroyo sac
Answer- Embroyo sac
Que- Alternation of generations is absent in___________?
a. Hydration
b. Obelia
c. Jelly fish
d. Physalia
Answer- Hydration
Que- Double fertilization is feature of____________?
a. Ferns
b. Whisk ferns
c. Gymnosperms
d. Angiosperms
Answer- Angiosperms
Que- If bile pigments are prevented from leaving digestive tract, then they cause_____________?
a. Hepatitis
b. Jaundice
c. Gall stones
d. Blockage
Answer- Jaundice
Que- Initial pH of food vacuole during digestion in amoeba is____________?
a. 5.3
b. 5.6
c. 7.3
d. 7.6
Answer- 5.6
Que- The arrangement of _________ speaks of the division of labour within cell?
a. Molecule
b. Subatomic particles
c. Atoms
d. Organelles
Answer- Organelles
Que- NADH is oxidized by___________?
a. Coenzyme ?
b. Cytochrome b
c. Oxygen
d. Glycolysis
Answer- Coenzyme ?
Que- Salivary glands present in front of ear are___________?
a. Sublingual
b. Submaxillary
c. Submandibular
d. Parotid
Answer- Parotid
Que- How many spiracles are present in cockroach_____________?
a. 5.0
b. 10.0
c. 20.0
d. 40.0
Answer- 20.0
Que- Which of the following is the correct sequence in the biological method?
a. Observation?hypothesis?law?theory
b. Observation?hypothesis?deduction?testing of deduction
c. Hypothesis?observation?deduction?testing of deduction
d. law?theory?deduction?observation
Answer- Observation?hypothesis?deduction?testing of deduction
Que- Amphibians are considered to be evolved from___________?
a. Newts
b. Varanope
c. Dipnoi
d. Hagfishes
Answer- Dipnoi
Que- Enterobius vermicularis is commonly known as____________?
a. Flatworm
b. Pinworm
c. Hook worm
d. Tapeworm
Answer- Pinworm
Que- Red to orange pigments are_____________?
a. Carotenes
b. Carotenoids
c. Xanthophylls
d. Chlorophyll
Answer- Carotenes
Que- Animals of which class of arthropoda are present everywhere_____________?
a. Crustacean
b. Insecta
c. Arachnida
d. Myriapoda
Answer- Insecta
Que- Gaseous exchange in birds occurs at level of_______________?
a. Alveoli
b. Air sacs
c. Bronchi
d. Parabronchi
Answer- Parabronchi
Que- ______________ of earth surface is covered with water?
a. 0.1
b. 0.3
c. 0.75
d. 0.9
Answer- 0.75
Que- An antibody is made of _________ polypeptide chains?
a. 1.0
b. 2.0
c. 3.0
d. 4.0
Answer- 4.0
Que- Production of genetically identical copies of organisms/cells by asexual reproduction is called__________?
a. Mitosis
b. Replication
c. Cloning
d. Biological control
Answer- Cloning
Que- 95% of the cytoplasm of RBCs is____________?
a. Hemoglobin
b. Enzymes
c. Salts
d. Other proteins
Answer- Hemoglobin
Que- _________________ cells of phloem are directly involved in transport of organic solutes?
a. Parenchyma
b. Companion cell
c. Tracheid
d. Sieve element
Answer- Sieve element
Que- An infectious disorder of respiratory system is_________________?
a. Cancer
b. Asthma
c. Tuberculosis
d. Emphysema
Answer- Tuberculosis
Que- Cuticular transpiration is _____________ of total transpiration?
a. 1-2%
b. 3-4%
c. 5-7%
d. 0.9
Answer- 5-7%
Que- According to cohesion-tension theory, tension is created by__________________?
a. Hydrogen bonding
b. Transpiration
c. Adhesion
d. Root prerssure
Answer- Transpiration
Que- Deoxygenated blood first enters in _________ part in fishes?
a. Sinus venosus
b. Right atrium
c. Left atrium
d. Conus arteriosus
Answer- Sinus venosus
Que- Ozone depletion occurs commonly due to_______________?
a. Carbon dioxide
b. Chlorofluorocarbons
c. UV rays
d. Deforestation
Answer- Chlorofluorocarbons
Que- Who coined the term CELL?
a. Schwann
b. Schleiden
c. Robert Hook
d. Both a and b
Answer- Robert Hook
Que- “lubb” sound is produced due to___________________?
a. Opening of inlet valve
b. Closure of inlet valve
c. Opening of outlet valve
d. Closure of outlet valve
Answer- Closure of inlet valve
Que- In condition of high temperature, following does not occur or occurs at low level__________?
a. Vasodilation
b. Activation of sweat glands
c. Thermogenesis
d. Evaporative cooling
Answer- Thermogenesis
Que- Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
a. Theodor Schwann and Schleiden
b. Rudolph Virchows
c. Louis Pasteur
d. Both b and c
Answer- Rudolph Virchows
Que- In Hardy-Weinberg formula P2 represents frequency of_____________?
a. Recessive allele
b. Dominant allele
c. Homozygous dominant individual
d. Homozygous recessive individual
Answer- Homozygous dominant individual
Que- _____________ supported theory of special creation?
a. Linnaeus
b. Aristotle
c. Mendel
d. Lamarck
Answer- Linnaeus
Que- Percentage of proteins in cell membrane is____________?
a. 20-40%
b. 40-50%
c. 60-80%
d. 80-100%
Answer- 60-80%
Que- Which of the following is most constant abiotic component of ecosystem___________?
a. Air
b. Water
c. Land
d. Gravity
Answer- Gravity
Que- Ecosystem not found in Pakistan is_____________?
a. Tropical rain forest
b. Temperate deciduous forest
c. Grassland
d. Tundra
Answer- Tropical rain forest
Que- Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?
a. Active transport
b. Passive transport
c. Co-transport
d. Counter transport
Answer- Passive transport