Biology - Questions and Answers, General Study (GK)

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1271.

Peristomes are present in

(a)Chara

(b)Polytrichum

(c)Adiantum

(d)Penicillium

Comment

Answer is: B

1272.

The weed which reached lndia as a contaminant of wheat imported unfrt PL 480 scheme is

(a)Lantana

(b)Eichornia

(c)Parthenium

(d)Prosopis

Comment

Answer is: C

1273.

Polio is caused by a

(a)Bacterium

(b)Musquito

(c)Fungus

(d)Virus

Comment

Answer is: D

1274.

Tabacco contains a poisonous substance called

(a)Endotoxin

(b)Aspirin

(c)Nicotine

(d)Caffeine

Comment

Answer is: C

1275.

Palaeobotany deals with the study of

(a)Fossil plants

(b)Rocks

(c)Fossil animals

(d)Living plants

Comment

Answer is: A

1276.

The work 'Biosphere' means

(a)Total assembly of all living organisms

(b)Only plants of the World

(c)Only animals of the world

(d)Only microorganism of the world

Comment

Answer is: A

1277.

Microbial world was discovered in the year

(a)1763

(b)1367

(d)1667

Comment

Answer is: C

1278.

Gametophytes are

(a)Haploid structures

(b)Gamete producers

(c)Prothalli

(d)All these

Comment

Answer is: D

1279.

Presence of a cambium indicates

(a)Open vascular bundle

(b)Closed bundle

(c)Incomplete vascular bundle

(d)Broken vascular bundle

Comment

Answer is: A

1280.

The phyllotaxy of Gnetum is

(a)Opposite

(b)Ternate

(c)Alternate

(d)Decussate

Comment

Answer is: A

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Biology - Questions and AnswersPage 128

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