Biology Mcqs

Allium cepa is the scientific name of______________?

• (A)  Onion
• (B)  Amaltas
• (C)  Potato
• (D)  Tomato

Answer

Submitted By :Ali Uppal

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

Answer

Submitted By :Ali Uppal

The one which can break open a plasmid ring is__________?

• (A)  Ligase enzyme
• (B)  Primase enzyme
• (C)  Restriction endonuclease
• (D)  ATP-ase enzyme

Answer

Submitted By :Ali Uppal

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

Answer

Submitted By :Ali Uppal

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

• (A)  Prokaryotae
• (B)  Protoctista
• (C)  Animalia
• (D)  Fungi

Answer

Submitted By :Ali Uppal

Five kingdom classification was proposed by_____________?

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

Answer

Submitted By :Ali Uppal

In most ecosystems the greatest amount of energy flows through the____________?

• (A)  Secondary consumers
• (B)  Herbivores
• (C)  Carnivores
• (D)  Decomposers

Answer

Submitted By :Ali Uppal

DNA or RNA of viruses is enclosed in _______________ coat?

• (A)  Protein
• (B)  Carbohydrate
• (C)  Lipid
• (D)  DNA

Answer

Submitted By :Ali Uppal

All of the following are involved in nitrification except

• (A)  Nitrobacter
• (B)  Nitrosomonas
• (C)  Rhizohium
• (D)  All of these

Answer

Submitted By :Ali Uppal

Which of the following organisms have Chitin as a major structural component of their cell wall________________?

• (A)  Prokaryotae
• (B)  Protoctista
• (C)  Plantae
• (D)  Fungi

Answer

Submitted By :Ali Uppal