Biology - Questions and Answers, General Study (GK)

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1601.

Mycotoxins are pollutants because they affect most commonly

(a)Water

(b)Food

(c)Air

(d)Soil

Comment

Answer is: A

1602.

Foreign countries want to get plant materials of this plant from our country keeping in view the problern of chemical pesticides

(a)Petrocarpus marsupium (vengai)

(b)Azadirachta indica (neem)

(c)Acacia arabica (gum arabic)

(d)Eucalyptus globulus

Comment

Answer is: B

1603.

Nitrogen fixation is generally brought about by

(a)Bacteria

(b)Fungi

(c)Algae

(d)Bacteria and blue green algae

Comment

Answer is: D

1604.

"Pasteurization" means

(a)Boiling and cooling of milk

(b)Heating of milk

(c)Boiling and cooling to prevent microbial spoilage

(d)None of these

Comment

Answer is: C

1605.

Why is sprouted gram considered more nutritious?

(a)Seeds are storehouses of energy

(b)Seeds contain food materials

(c)Germinating seeds produce enzymes which are a rich source of protein

(d)Seeds have plenty of amino acids and glucose

Comment

Answer is: C

1606.

Which metal is present in green leaves ?

(a)Cobalt

(b)Magnesium

(c)Iron

(d)Potassium

Comment

Answer is: B

1607.

Pollinium found in the family

(a)Asclepiadaceae

(b)Asclepiadaceae and Orchidaceae

(c)Orchidaceae

(d)None of these

Comment

Answer is: B

1608.

Legume root nodule contains a protein pigment known as

(a)Haemoglobin

(b)Leghaemoglobin

(c)Xanthophyll

(d)None of these

Comment

Answer is: B

1609.

From the following, which one is edible fungi ?

(a)Agaricus

(b)Neurospora

(c)Polyporus

(d)None of these

Comment

Answer is: A

1610.

A sequence of nucleotides that specifies a particular polypeptide chain is called as

(a)Genetic transduction

(b)Gene

(c)Genome

(d)None of these

Comment

Answer is: B

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Biology - Questions and AnswersPage 161

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