Biology Mcqs

From right ventricle blood is pushed into?

• (A)  pulmonary trunk
• (B)  brain
• (C)  aorta
• (D)  body

Answer

Submitted By :Ali Uppal

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

• (A)  3500000
• (B)  35000
• (C)  2500000
• (D)  25000000

Answer

Submitted By :Ali Uppal

The heart is enclosed in a membrane called________?

• (A)  pleura
• (B)  pericardium
• (C)  peritoneum
• (D)  epithelium

Answer

Submitted By :Ali Uppal

Communities are ________ collection of organisms?

• (A)  Static
• (B)  Dynamic
• (C)  May be static or dynamic
• (D)  None of these

Answer

Submitted By :Ali Uppal

In which animal respiratory surface are found in more than one organ?

• (A)  birds
• (B)  human
• (C)  fish
• (D)  frog

Answer

Submitted By :Ali Uppal

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

• (A)  Molecule
• (B)  Subatomic particles
• (C)  Atoms
• (D)  Organelles

Answer

Submitted By :Ali Uppal

Operculum is present in_____________?

• (A)  bony fish
• (B)  sea fish
• (C)  cartilaginous fish
• (D)  none of these

Answer

Submitted By :Ali Uppal

Biological organization is_____________?

• (A)  simple
• (B)  advance
• (C)  complex
• (D)  highly complex

Answer

Submitted By :Ali Uppal

Nitrogen is present in___________?

• (A)  carbohydrates
• (B)  proteins
• (C)  lipids
• (D)  carbonates

Answer

Submitted By :Ali Uppal

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

Answer

Submitted By :Ali Uppal