1) What is the mode of transmission of Hepatitis virus? a. Aerosol b. Parentral (via blood) c. Skin penetration d. Unknown
|
||||
2) Which disease can be controlled by vaccination? a. Measles b. Cancer c. Diabetes d. Heart attack
|
||||
3) Vaccine was first developed by a. Louis Pasture b. Edward Jenner c. Jaber Ibn Hayan d. Aristotle
|
||||
4) Which disease has been totally eradicated from the world because of effective vaccination? a. Measles b. Polio c. Small pox d. Hepatitis
|
||||
5) Which of the following statement is incorrect about antibiotics? a. They are used against microorganisms b. They are always effective against bacteria c. They are used in diseases like tuberculosis and pneumonia d. They are derived from bacteria only
|
||||
6) Which treatment is instituted in a cancerous patient: a. Antibiotic therapy b. Radiotherapy c. Gene therapy d. None of these
|
||||
7) Which statement is incorrect for cloning? a. The nucleus of a fertillized egg is replaced by the nucleus from the cell of a fully developed individual b. Division of a single egg into one or more separate embryos. c. The individual is the mirror image of the parent organism d. It involve methods of sexual reproduction
|
||||
8) Removal or degradation of environmental pollutants or toxic materials by living organisms is called a. Integrated disease management b. Hydroponic culture technique c. Pasteurization d. Bioremediation
|
||||
9) Which of the following is not a viral disease? a. Cowpox b. Mumps c. Tetanus d. Small pox
|
||||
10) In human body 99% of total mass is formed of a. 16 bioelements b. 12 bioelements c. 10 bioelements d. 6 bioelements
|
||||
11) Biological organization is a. simple b. advance c. complex d. highly complex
|
||||
12) The arrangement of _____ speaks of the division of labour within cell a. Molecule b. Subatomic particles c. Atoms d. Organelles
|
||||
13) Communities are _____ collection of organisms a. Static b. Dynamic c. May be static or dynamic d. None of these
|
||||
14) The number of species of organisms currently known to science is a. 3500000 b. 3500 c. 2500000 d. 25000000
|
||||
15) Who coined the term CELL? a. Schwann b. Schleiden c. Robert Hook d. Both a and b
|
||||
16) Who opposed the idea the cell is an empty space bounded by thick wall? a. Lorenz Oken b. Schwann c. Robert Brown d. Rudolph Virchow
|
||||
17) 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
|
||||
18) Magnifying power of electron microscope as compared to eye is a. 500 X b. 250000X c. 500000X d. 250X
|
||||
19) In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon: a. Their physical properties like size & weight. b. Physical properties of the medium like its density. c. Their electrical properties like their charges d. Both a and b
|
||||
20) Percentage of proteins in cell membrane is a. 20-40% b. 40-50% c. 60-80% d. 80-100%
|
||||
21) Which of the statement about cell membrane is not true? a. It contains protein molecules embedded in lipid bilayer b. It is a differentially permeable membrane. c. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles. d. It may get infolded to engulf solid or liquid material.
|
||||
22) 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
|
||||
23) The first layer of cell wall which is formed is: a. Primary wall b. Secondary wall c. Middle lamella d. All of these
|
||||
24) Cellulose is the major component of a. Primary wall b. Secondary wall c. Middle lamella d. all of the above
|
||||
25) Strengthening material of prokaryotic cell wall is a. Cellulose b. Chitin c. Inorganic salts silica waxes and ligin d. Peptidoglycan or Murein.
|
||||
26) Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called a. Cytosol b. Cisternae c. Polysomes d. Cristae
|
||||
27) Whone is not the function of endoplasmic reticulum? a. Nerve impulse conduction b. Transport of material c. Mechanical support d. Synthesis of conjugated molecules
|
||||
28) Factory of ribosomal systhesis is a. Cytoplasm b. Nucleus c. Nucleolus d. Endoplasmic reticulum
|
||||
29) 60S and 40S subunit combine to form ______ particle a. 100 S b. 90 S c. 80 S d. 70 S
|
||||
30) A group of ribosomes attached to mRNA is known as a. Polymer b. Polypeptide c. Polysomes d. Monomer
|
||||
31) Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ______ surface of Golgi apparatus: a. Forming face b. Maturating face c. Any of them d. None of these
|
||||
32) During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called a. Lysosomes b. Primary lysosomes c. Secondary lysosomes d. Food vacuole
|
||||
33) Autophagosomes are a. Those lysosomes which eat parts of their own cells to generate energy. b. Those lysosomes which eat old and worn out cellular organelles. c. Lysosomes which help in extracellular digestion d. Both a and b
|
||||
34) Cellular organelles related with H2O2 are a. Glyoxisomes b. Lysosomes c. Peroxisomes d. Ribosomes
|
||||
35) Which of the following statement is incorrect about Glyoxisomes? a. They contain enzymes which help in conversion of fatty acids into carbohydrate b. They are abundant in soyabeans but absent in pea. c. They are present through out life of a plant and provide them whth energy through Glyoxylate cycle. d. They are signle membranous organelles
|
||||
36) Which of the following cytoskeletal fiber contain tubulin protein? a. One which help in assembly of spindles during mitosis. b. One involved in internal cell motion. c. One involved in maintenance of cell shape. d. Both b and c
|
||||
37) Centrioles are composed of ________ triplets of microtubules. a. 3 b. 9 c. 10 d. 15
|
||||
38) The human naked eye can differentiate between two points which are _______ apart. a. 1.0 mm b. 0.1 mm c. 1.0 cm d. 1.0 dm
|
||||
39) Ribonucleo-protein particles are the name of a. DNA b. Nucleus c. Eukaryotic ribosomes d. RNA
|
||||
40) Ribosomes + m-RNA a. Polysome b. Phlosome c. Polosome d. None of these
|
||||
41) In golgi apparatus the maturing face is a. Biconcave b. Convex c. Spherical d. Concave
|
||||
42) Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by a. Ribosomes b. Cytoplasm c. Golgi apparatus d. Endoplasmic reticulum
|
||||
43) Amoeboid movements and movement of cyclosis is due to a. Microfilaments b. Microtubules c. Intermediate filaments d. Cytoskeleton
|
||||
44) Of the following which one is not the characteristic of mitochondria? a. It contains F1 particles b. It is involved in the synthesis of protein c. It is a self replicating organelle d. Number of mitochondria is constant
|
||||
45) Chlorophyll is a/an _____ molecule a. Inorganic b. Cationic c. Anionic d. Organic
|
||||
46) The part of chloroplast where CO2 is fixed to manufacture sugar is a. Stroma b. Grana c. Thylakoid d. Outer membrane
|
||||
47) The type of plastids which help in pollination is a. Chromoplasts b. Leucoplasts c. Chloroplasts d. All of these
|
||||
48) Ribosomes are assembled in a. Nucleolus b. Nucleus c. DNA d. RNA
|
||||
49) The place of centromere where spindle fibres get attached is a. Kinetochore b. Kinochore c. Centromere region d. all of these
|
||||
50) Which of the following is not present in mitochondria? a. Enzymes b. Co-enzymes c. Ribosomes d. Thylakoids
|