Prepistan

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

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

7 years ago

The heart is enclosed in a membrane called________?

A. pleura B. pericardium C. peritoneum D. epithelium

7 years ago

Communities are ________ collection of organisms?

A. Static B. Dynamic C. May be static or dynamic D. None of these

7 years ago

The arrangement of ________ speaks of the division of labour within cell?

A. Molecule B. Subatomic particles C. Atoms D. Organelles

7 years ago

Operculum is present in_____________?

A. bony fish B. sea fish C. cartilaginous fish D. none of these

7 years ago

Biological organization is_____________?

A. simple B. advance C. complex D. highly complex

7 years ago

Nitrogen is present in___________?

A. carbohydrates B. proteins C. lipids D. carbonates

7 years ago

In human body 99% of total mass is formed of_____________?

A. 16 Bio-elements B. 12 Bio-elements C. 10 Bio-elements D. 6 Bio-elements

7 years ago

Enzyme present in the saliva is_____________?

A. lipase B. trypsin C. ptyalin D. invertase

7 years ago

Which of the following is not a viral disease?

A. Cowpox B. Mumps C. Tetanus D. Small pox

7 years ago

The mechanism for ATP synthesis is_____________?

A. Chemosynthesis B. Photosynthesis C. Phosphorylation D. Chemiosmosis

7 years ago

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

7 years ago

True roots absent in_____________?

A. ferns B. bryophytes C. gymnosperms D. angiosperms

7 years ago

Which statement is incorrect for cloning?

A. The nucleus of a fertilized egg is replaced by the nucleus from the cell of a fully developed individual…

7 years ago

Which is a parasitic plant?

A. cuscuta B. rose C. ferns D. mosses

7 years ago

Which treatment is instituted in a cancerous patient?

A. Antibiotic therapy B. Radiotherapy C. Gene therapy D. None of these

7 years ago

Fungi resemble plants because they lack___________?

A. Cell wall B. Cytoplasm C. Centriole D. Nucleus

7 years ago

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…

7 years ago

Nutrition in fungi is___________?

A. Photosynthetic B. Chemosynthetic C. Completely parasitic D. Absorptive heterotrophs

7 years ago