An enzyme in gastric juice of many infant mammals that precipitates milk protein :

A. Rennin

B. Pepsinogen

C. Gastric

D. Renan

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Name the programmed cell death or cells suicide?

A. Apoptosis

B. Necrosis

C. Both ( a ) and ( b )

D. None of these

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In which cell organelle do photo and thermochemical reactions occur in different sites?

A. Ribosomes

B. Golgi apparatus

C. Chloroplast

D. Mitochondria

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Which Scientist first explained about circulatory system?

A. William Harvey

B. John Nicholson

C. Robert Hooke

D. Theoder schwann

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Which cells have least regeneration capacity?

A. Cell of brain

B. Cell of heart

C. Cell of kidney

D. Cell of spleen

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Pollen grains in Plants are produced in

A. Stem
B. Roots
C. Leaves
D. Flower (more…)

How many pairs of homologous chromosomes are present in pisum sativum?

A. Seven pairs

B. Eight pairs

C. Nine pairs

D. Ten pairs

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Lignin could not be expected in which part of the plant cell wall:

A. Secondary cell wall

B. Middle lamella

C. Cell membrane

D. Primary cell wall

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Which statement about thylakoids in eukaryotes is not correct?

A. Thylakoids are assembled into stacks

B. Thylakoids exist as a maze of folded membranes

C. The space sorrounding thylakoids is called storma

D. Thylakoids contain chlorophyll

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The usual position of the two centrioles in relation to each other is at right angle in:

A. Higher plant cell

B. Lower plant cell

C. Animal cells

D. Both (a) and (b)

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