Multiple Choice Questions

Advertisement

Globulins contained in human blood plasma are primarily involved in 

  • defence mechanisms of the body 

  • the osmotic balance of body fluids

  • oxygen transport in the blood

  • oxygen transport in the blood


A.

defence mechanisms of the body 

Globulins are soluble in the salt of strong acid and bases. These are coagulated by heat and insoluble in pure water and moderately concentrated salt solutions. Globulins contained in human blood plasma are primarily involved in defence mechanisms of the body. Some example is- Rabies immune globulin (RhO (D)immune globulin, specific immune globulin, tetanus immune globulin etc.

476 Views

Advertisement

An example of axile placentation is 

  • Argemone 

  • Dianthus

  • Lemon

  • Lemon

1082 Views

A fruit developed from hypanthodium inflorescence is called

  • hesperidium 

  • sorosis

  • syconus

  • syconus

692 Views

Which of the following is a symbiotic nitrogen fixer?

  • Glomus

  • Azotobacter

  • Frankia

  • Frankia

422 Views

The bacterium Bacillus thuringiensis is widely used in contemporary biology as a/an

  • Indicator of water pollution

  • insecticide

  • agent for the production of dairy products

  • agent for the production of dairy products

379 Views

Advertisement

Peripatus is a connecting link between

  • Ctenophora and Platyhelminthes

  • Mollusca and Echinodermata

  • Annelida and Arthropoda

  • Annelida and Arthropoda

631 Views

Reduction is vascular tissue, mechanical tissue and cuticle is characteristic of 

  • xerophytes

  • mesophytes

  • epiphytes

  • epiphytes

590 Views

Cyclic-photophosphorylation results in the formation of 

  • NADPH

  • ATP and NADPH

  • ATP, NADPH and O2

  • ATP, NADPH and O2

339 Views

Which one of the following is considered important in the development of seed habit?

  • Dependent sporophyte

  • Heterospory

  • Haplontic life cycle

  • Haplontic life cycle

512 Views

Advertisement

T O Diener discovered a

  • free infectious RNA

  • free infectious DNA,

  • infectious protein

  • infectious protein

463 Views