Biology - Questions and Answers, General Study (GK)

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1281.

The sperm in cycas is

(a)Biciliate and spirally coiled

(b)Top - shaped and multiciliate

(c)Biciliate and pyriform

(d)Top - shaped without cilia

Comment

Answer is: B

1282.

Circinate vernation of leaves is a typical character of

(a)Gymnosperms

(b)Ferms

(c)Pteridophytes in general

(d)Orchids

Comment

Answer is: B

1283.

All fungi are always

(a)Parasites

(b)Autotrophs

(c)Heterotrophs

(d)Saprophytes

Comment

Answer is: C

1284.

Why blue green algae are called cyano bacteria?

(a)Because they are prokaryotic

(b)Because they haye blue colour

(c)Because they live in watery medium

(d)Because they are unicellular organisms

Comment

Answer is: B

1285.

The gymnosperms resemble angiosperms in having

(a)Ciliated sperms

(b)Presence of archegonia

(c)Presence of ovules

(d)Presence of monoxylic wood

Comment

Answer is: C

1286.

The disease caused by the fungus colletotrichum falcatum is known as

(a)Downy mildew

(b)Leaf curl

(c)Blight disease

(d)Red rot

Comment

Answer is: D

1287.

Dendrochronology is the study of

(a)Height of a tree

(b)Diameter of a tree

(c)Age of a tree with the help of annual rings

(d)Counting the number of branches

Comment

Answer is: C

1288.

Clove is obtained from which parts given below?

(a)Flower

(b)Stem

(c)Leaves

(d)Root

Comment

Answer is: A

1289.

Which of the algae given below grows in sewage ponds?

(a)Chlorella

(b)Gelidium

(c)Ulva

(d)Volvox

Comment

Answer is: D

1290.

Which of the plant groups mentioned below are popularly known as amphibious of plant kingdom?

(a)Bacteria

(b)Fungi

(c)Algae

(d)Bryophytes

Comment

Answer is: D

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Biology - Questions and AnswersPage 129

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