Question # 1

To waht category of molecules do enzymes belong?

Choose an answer

Carbohydrates

Lipids

Nucleic acids

Proteins

The thin extensions of the inner mitochondrial membrane are known as __________

Choose an answer

Cristae

Matrix

Thylakoids

Stroma

Mustard Platn is sown in

Choose an answer

Winter

Summer

Spring

Autum

................... is the hereditary material.

Choose an answer

Protien

Chromosomes

DNA

Nucleus

The _________ is a major component of plant cell walls.

Choose an answer

Chitin

Peptiodglycan

Cellulose

Cholesterol

Histology is scientific study of

Choose an answer

Organs

Cellss

Muscles

Tissues

Necrosis is death due to ............ cell damage.

Choose an answer

Unexpected

Accidental

Both a & b

None

Chlamydomonas is an example of _______________

Choose an answer

Monera

Protista

Fungi

Plantae

There is separation of oxygenated and deoxygenated blood in birds and mammals because:

Choose an answer

The ventricles are completely divided

The ventral aorta is divided into aortic and pulmonary trunk.

The aortic arch is divided into two systemic arches.

None of the above

Almost all enzymes are:

Choose an answer

Carbohydrates

Fatty acids

Proteins

Vitamins

Normal rate of heart beat in a healthy human being is ......... beats per minute.

Choose an answer

72

73

70

75

The cells used for photosynthesis in plants are:

Choose an answer

Sclenrenchyma cells

Ground tissues

Phloem tissues

Meristematic cells

The reasons for deforestation are:

Choose an answer

Cities extension

Over population

Fuel purposes

All of the above

More Classes

Other Links

Biology 9th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer