Biology - Questions and Answers, General Study (GK)

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1451.

One of the following is the simplest land plant

(a)Bryophytes

(b)Lichens

(c)Algae

(d)Fungi

Comment

Answer is: A

1452.

Bacteria generally multiply by

(a)Binary fission

(b)Multiple fission

(c)Longitudinal fission

(d)All of these

Comment

Answer is: A

1453.

Agar - agar is obtained from

(a)Gelidium

(b)Laminaria

(c)Ectocarpus

(d)Fucus

Comment

Answer is: A

1454.

Which of the following grows on wet bread ?

(a)Yeasts

(b)Fungi

(c)Both of these

(d)None of these

Comment

Answer is: A

1455.

Nitrogen fixation is done by

(a)Blue - green algae

(b)Green algae

(c)Brown algae

(d)Red algae

Comment

Answer is: A

1456.

Which bacteria produce vinegar solutions ?

(a)Escherichia

(b)Acetobacter

(c)Acetobacter aceti

(d)Rhizobium

Comment

Answer is: C

1457.

Penicillin was discovered by

(a)Edward Jenner

(b)J. C. Bose

(c)Alexander Fleming

(d)William Harvey

Comment

Answer is: C

1458.

Yeasts help in the production of

(a)Oxygen

(b)Glucose

(c)Alcohol

(d)Salts

Comment

Answer is: C

1459.

Many pulses are obtained from plants of the family

(a)Euphorbiaceae

(b)Fabaceae

(c)Asteraceae

(d)Musaceae

Comment

Answer is: B

1460.

Emasculation is

(a)Removal of sepals

(b)Removal of petals

(c)Removal of stamens

(d)Removal of ovules

Comment

Answer is: C

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Biology - Questions and AnswersPage 146

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