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Biology

441.

Dicotyledonous weeds are destroyed by a chemical called

Answer: B

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442.

Plant have ____ while animals lack it.

Answer: B

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443.

Pollination by wind is called

Answer: A

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444.

Surplus red blood cells, needed to meet an emergency, are MAINLY stored in which organ of the human body?
 

Answer: B

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445.

The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?

Answer: A

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446.

Bronchitis is a disease of

Answer: A

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447.

Plants that grow in saline water are called

Answer: A

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448.

Embryo is found in-

Answer: C

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449.

Cancer cells are damaged by radiations while others are not because cancer cells are

Answer: C

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450.

Which of the following is an Autoimmune disease?

Answer: A

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