Biology Mcqs

The first eukarotes appeared about __________ years ago?

A. 1.5 billion
B. 2.5 billion
C. 3.5 billion
D. 4.5 billion

Which of the following category is most general with its members lest resembling with each other than the other categries_____________?

A. Species
B. Genus
C. Family
D. Order

According to Lamarch evolution occurred as the result of__________?

A. Natural selection
B. The theory of recapitulation
C. Inheritance of acquired characters
D. Over production

Allium cepa is the scientific name of______________?

A. Onion
B. Amaltas
C. Potato
D. Tomato

A. Ligase enzyme
B. Primase enzyme
C. Restriction endonuclease
D. ATP-ase enzyme

Which of the Euglenas (a Protoctista) character resembles that of animals______________?

A. They can move
B. They lack cell wall
C. They do not have chlorophyll
D. Both a and b

Organisms of which of the following kingdom have absorptive mode of nutrition______________?

A. Prokaryotae
B. Protoctista
C. Animalia
D. Fungi

Five kingdom classification was proposed by_____________?

A. Carlous Linnaeus
B. E-Chatton
C. Robert Whittaker
D. Lynn Margulis and Karlene Schwartz

The one which is a weed killer is___________?

A. IAA
B. NAA
C. 2 4-D
D. GA

The discease in which transmembrane carrier for the chloride ion is not produced is__________?

A. Hyperchloesterolemia
B. Cystic fibrosis
C. Severe combined immunodeficiency syndrome
D. AIDS