Prepistan

Which is an organic compound found in most cells ?

A. Water B. Glucose C. Oxygen D. Sodium chloride

7 years ago

Biological sciences have a set methodology and it is based on ?

A. Experimental inquiry B. Esthetic preference C. Philosophical ideas D. Imaginations

7 years ago

Proteins are made from amino acids by the process of ______________?

A. Hydrolysis B. Pinocytosis C. Dehydration synthesis D. Active transport

7 years ago

An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?

A. Biome B. Phyletic lineage C. Community D. Population

7 years ago

Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

A. Diffusion B. Passive transport C. Osmosis D. Active transport

7 years ago

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 radioactive isotopes as that of the young ones B. Older sediment…

7 years ago

Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?

A. Concentration of water molecules inside and outside the cell B. Concentration of enzymes on either side of the cell…

7 years ago

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

7 years ago

Most cell membranes are composed principally of ?

A. DNA ad protein B. Protein and Lipids C. Protein and Chitin D. Protein and RNA

7 years ago

A large regional community primarily determined by climate is called ?

A. Population B. Community C. Biome D. Habitat

7 years ago

Which of the following pathogen type cause disease that can be treated with antibiotics ?

A. bacteria B. fungi C. virus D. none of these

7 years ago

Different species of plants and animals living in the same habitat is called?

A. Population B. Community C. Biome D. Habitat

7 years ago

The evaporative cooling in the respiratory tract of dogs is called?

A. Vasodilation B. Vasoconstriction C. Panting D. All of these

7 years ago

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

7 years ago

Production of sweat and sebum is related with ?

A. Skin B. Liver C. Lungs D. GIT

7 years ago

In animals coordination is achieved by means of?

A. Nervous system B. Endocrine system C. Respiratory system D. Both A and B

7 years ago

Haemodialysis means cleaning of____________?

A. Urine B. Blood C. Glomerular filterate D. Coelomic fluid

7 years ago

A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:

A. An organ B. An organism C. A Tissue D. A Cell

7 years ago

Which one of them is a micro-molecule?

A. Polysaccharide B. Protein C. Hemoglobin D. ATP

7 years ago

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

7 years ago
Show more Posts
Show previous Posts

Latest Jobs