For callus formation, auxin and cytokinin are required in which ratio?

A. Balanced

B. Only cytokinin required

C. Low auxin, very high cytokinin

D. Only auxin

(more…)

A special protein carrier in plasma membrane is

A. Catalase

B. Lipase

C. Permease

D. Orginase

(more…)

Cell death due to tissue damage is called ….

A. Cancer

B. Apoptosis

C. Necrosis

D. Metastasis

(more…)

Nucleus was discovered by …..

A. Waldeyer

B. T.H. Morgan

C. Robert Brown

D. Kohler

(more…)

Potato plastids, which store starch, are known as

A. Paramyium

B. Amyloplasts

C. Leucoplast

D. Glycoplats

(more…)

Polysaccharide cellulose is the building material of ….

A. Primary cell wall

B. Secondary cell wall

C. Middle lamella

D. Plasma membrane

(more…)

Phagocytosis, pinocytosis and autophagy are the functions of ….

A. Golgi apparatus

B. Lysosomes

C. Peroxisomes

D. Glyoxisomes

(more…)

Smooth endoplasmic reticulum makes

A. Enzymes

B. Protein

C. Sugar

D. Lipids

(more…)

A botanist who proposed the cell theory was

A. Schleiden

B. Schwann

C. Robert Hooke

D. Robert Brown

(more…)

All types of plastids are produced from

A. Chloroplastids

B. Proplastids

C. Chromoplastids

D. Leucoplastids

(more…)