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Biology

Biology
They protect plants from water loss and abrasive damage.

Minerals
Leaves
Waxes
None of these

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Biology
Which one of the following is an enzyme ?

Trypsin
Keratin
Vasopressin
Gastrin

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Biology
Which structure is common to plant and animal cells?

Chloroplast
Mitochondria
Central Vacuole
Centriole

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Biology
The principle of dominance states that

Some alleles are dominant, while others are recessive
Alleles are neither dominant nor recessive
All alleles are recessive
All alleles are dominant

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Biology
Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called?

Isogamous
Oogamous
Zoospores
Anisogamous

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Biology
In mammals, an important role of excretion is played by________

Large intestine
Liver
Lungs
Kidneys

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