Biology - Questions and Answers, General Study (GK)

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1171.

The yellowing of leaf caused by the deficiency of

(a)Iron

(b)Cobalt

(c)Copper

(d)Zinc

Comment

Answer is: D

1172.

Identity the correct sequence of evolution in plants :

(a)Pteridophyte-Gymnosperms-Thallophyte-Bryophyte

(b)Bryophyte-Pteridophyte-Gymnosperrns-Thallophyte

(c)Gymnosperrns-Pteridophyte-Bryophyte-Thallophyte

(d)Thallophyte-Bryophyte-Pteridophyte-Gymnosperms

Comment

Answer is: D

1173.

The vascular bundles arranged in a cycas petiole is

(a)T-shaped

(b)Inverted omega

(c)C-shaped

(d)L-shaped

Comment

Answer is: B

1174.

Which one of these is correctly matched ?

(a)Paddy - Blast disease

(b)Groundnut - Red rot

(c)Potato - Leaf spot

(d)Sugarcane - Ring disease

Comment

Answer is: A

1175.

When the soil is rich in organic debris, it is known as

(a)Humus soil

(b)Loam soil

(c)Organic soil

(d)Clayey soil

Comment

Answer is: A

1176.

"Survival of the fittest" was proposed theory of evolution by

(a)Darwin

(b)De Vries

(c)Mendel

(d)Lamarck

Comment

Answer is: A

1177.

In rice polish width is left as a residue

(a)Is of no value

(b)Twice is nutritious as rice

(c)Has the same nutritive value

(d)None of the above

Comment

Answer is: D

1178.

This pteridophyte produces two kinds spores

(a)Lycopodium

(b)Adiantum

(c)Selaginella

(d)Psilotum

Comment

Answer is: C

1179.

Lepidddendron is a fossil which represents

(a)Root

(b)Leaf

(c)Fruit

(d)Stem

Comment

Answer is: D

1180.

These cells are loosely arranged in plant body

(a)Parenchyma

(b)Acrenchyma

(c)Collenchyma

(d)Sclerenchyma

Comment

Answer is: A

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Biology - Questions and AnswersPage 118

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