The one which is present in all living things

A. Cell nucleus
B. Dna or rna
C. Cell membrane
D. Vacuole

On the basis of collected facts and figures, a scientist formulates a factitive statement called:

A. Observation
B. Research work
C. Hypothesis
D. Inductive reasoning

The study of nature is called__________?

A. Science
B. Atom
C. Molecule
D. Element

Human blood is an example of__________?

A. Organelle
B. Tissues
C. Organic compound
D. Inorganic compounds

_____________________ contains the green chemical called chlorophyll.

A. Cytoplasm
B. Cell membrane
C. Chloroplasts
D. Vacuole

_____________ is a scientific word for human beings?

A. Animals
B. Homo sepions
C. Omnivore
D. Consumer

Animals that eat plants are called___________________?

A. Herbivores
B. Consumer
C. Carnivores
D. Omnivores

Enzyme is_____________?

A. Bio catalyst
B. Hormone
C. Gland
D. None of these

Density gradient  centrifugation separates the materials on the basis of__________?

A. Size alone
B. Density alone
C. Both a & b
D. Velocity of movement

Virus consist of Parts:__________?

A. 1
B. 2
C. 3
D. 4