The first bacterium isolated was_________________?

Related Mcqs:

1. A bacterium with tuft of flagella at both poles is called_____________?

   A. Lophotrichus
   B. Monotrichous
   C. Peritrichous
   D. Amphitrichous

2. Which bacterium is used in the production of insulin by genetic engineering?

   A. saccharomyces
   B. Rhizobium
   C. Escherichia
   D. Mycobacterium

   Submitted by: Maria Aziz

3. 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

4. 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

5. The molecules of living matter that provide building blocks are mostly based on:

   A. Carbon
   B. Nitrogen
   C. Hydrogen
   D. Ammonia

6. Blood is carried towards the heart by __________?

   A. Arteries
   B. Capillaries
   C. Veins
   D. none of these

7. Co-enzyme is often formed from ?

   A. lipid
   B. protein
   C. inorganic ion
   D. vitamin

8. The number of species of organisms currently known to science is?

   A. 3500000
   B. 35000
   C. 2500000
   D. 25000000

9. Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?

   A. Transpiration pull
   B. Root pressure
   C. Ascent of sap.
   D. All of these

10. Carcinogens is __________ types of chemicals.

    A. Cancer causing
    B. Pneumonia causing
    C. Emphysema
    D. Asthma

    Submitted by: Hamais Haider