Biology - Questions and Answers, General Study (GK)

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Biology - Questions and AnswersPage 159

1581.

Seedless fruits are seen in

(a)Banana

(b)Grapes

(c)Pineapple

(d)All of these

Comment

Answer is: D

1582.

Most advanced plants in the plant kingdom are

(a)Angiosperms

(b)Gymnosperms

(c)Cryptogams

(d)All of these

Comment

Answer is: A

1583.

Fibres are taken from plant as

(a)Sclerenchyma cells

(b)Parenchyma cells

(c)Collenchyma cells

(d)None of these

Comment

Answer is: A

1584.

Calotropis is an example of the following phyllotaxy

(a)Opposite and decussate

(b)Spiral

(c)Whorled

(d)Alternate

Comment

Answer is: A

1585.

Phylloclade is a modified

(a)Leaf

(b)Stem

(c)Root

(d)Flower

Comment

Answer is: B

1586.

Which of the following diseases is likely to spread in the entire community. If a leaky septic tank contaminates the water supply ?

(a)Cancer

(b)Cholera

(c)Tuberculosis

(d)Leprosy

Comment

Answer is: B

1587.

Where would the bacterium E.coli be readily found ?

(a)Soil

(b)Refuse dumps

(c)Ponds

(d)Human intestine

Comment

Answer is: D

1588.

Quinine is made from

(a)Cinchona roots

(b)Cinchona fruits

(c)Cinchona leaf

(d)Cinchona bark

Comment

Answer is: D

1589.

Phyllanthus niruri is a medicinal herb and it is used to cure

(a)Fever

(b)Cold

(c)Jaundice

(d)Nerve disorder

Comment

Answer is: C

1590.

The dark reaction was worked out by an American scientist called

(a)R.T. Isnawshki

(b)Melvin Calvin

(c)S.F. Watson

(d)F.A. Black

Comment

Answer is: B

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Biology - Questions and AnswersPage 159

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