Biology Mcqs

Of the following which one is not the characteristic of mitochondria?

A. It contains F1 particles
B. It is involved in the synthesis of protein
C. It is a self replicating organelle
D. Number of mitochondria is constant

_____________ is a nervous disorder characterized by involuntary tremors, diminished motor power and rigidity?

A. Epilepsy
B. Meningitis
C. Alzheimer’s disease
D. Parkinson’s disease

The human naked eye can differentiate between two points which are __________ apart?

A. 1.0 mm
B. 0.1 mm
C. 1.0 cm
D. 1.0 dm

Joints present in skull are example of_______________?

A. Fibrous joints
B. Cartilaginous joints
C. Synovial Joints
D. Slightly moveable joints

Only myosine is present in_____________?

A. A band
B. 1 band
C. H zone
D. Sarcomere

Which of the following cytoskeletal fiber contain tubulin protein?

A. One which help in assembly of sdles during mitosis.
B. One involved in internal cell motion.
C. One involved in maintenance of cell shape.
D. Both b and c

Sapwood is formed from_____________?

A. Primary xylem
B. Secondary xylem
C. Primary phloem
D. Secondary phloem

Autophagosomes are____________?

A. Those lysosomes which eat parts of their own cells to generate energy.
B. Those lysosomes which eat old and worn out cellular organelles.
C. Lysosomes which help in extracellular digestion
D. Both a and b

Number of cervical vertebrae is_____________?

A. 5
B. 7
C. 9
D. 12

Humming bird is an example of________________?

A. Cold blooded animal
B. Ectotherm
C. Endotherm
D. Heterotherm